Summary of Responses: Hard of vague recommendation for aerosol watch/analysis system?
Based on this feedback and other communication, the reservations and alternative ideas include:

- JGR may not be the most appropriate place to publish...

Submitted by Husar Rudolf on 7/11/00

Include paragraph
I would like to see this paragraph included in the paper. I think it is a reasonable recommendation based upon the successful process by which the paper's...
Submitted by Schichtel Bret on 7/11/00

Include this clarion call
I agree, you should try to C
Submitted by Gill Tom on 7/11/00

Rplace 'Recommendation' with 'would be useful..'
I do not have anything against this recommendation, but it could be made less explicit. For example, instead of starting with `It is also recommended...`,...
Submitted by Frouin Robert on 7/11/00

Invite participants to the existing system
I had a look into the manuscript and have couple of comments: Final paragraph: In general terms, I agree with Dave in that JGR may not be the right place...
Submitted by Gasso' Santiago on 7/11/00

Yes, and add aerosol climatiology as well
I agree with the recommendation paragraph. I would even go so far as to recommend the establishment of a global aerosol climatology data base. It may...
Submitted by Laulainen Nels on 7/11/00

Recommendation does not belong to a JGR paper
My sense is that this paragraph doesn't really belong in a JGR paper, and if it appears, it won't carry much weight. So, I am basically neutral on whether...
Submitted by Jaffe Dan on 7/11/00

Yes but JGR may not be the plce for recommendation
I would like to see the explicit recommendation appear, though I suspect that JGR may not regard their forum as the proper place for it. Should that prove...
Submitted by Tratt David on 7/11/00

Yes, include explicit recommendation
Yes, include explicit recommendation
Submitted by McKendry Ian on 7/11/00

Hard of vague recommendation for aerosol watch/analysis system?
I need your feedback on a somewhat sensitive issue: I have changed the last paragraph on recommendations. In particular, it spells out the recommendation...
Submitted by Husar Rudolf on 7/11/00

Re: Re: Re: Language edits, revisions attached..
It's not that simple Dave. Everyone knows that the international language of science is broken English. Besides, are you sure you want to see this...
Submitted by Husar Rudolf on 7/3/00

Re: Re: Language edits, revisions attached..
We all should feel better now. As Dave Tratt said earlier, the job in December was very hasty, but we got the piece into the system by Dec 31.

As to...

Submitted by Husar Rudolf on 7/3/00

Re: Language edits, revisions attached..
I think the revised version is very good, and I'm happy to be associated with it. Dave's corrections are comprehensive- he found all the missing references...
Submitted by Sassen Ken on 7/3/00

Language edits, revisions attached..
I have only nit-picky suggestions - mostly improved language. The manuscript (minus the figs. to save bandwidth) with my edits is attached....
Submitted by Tratt David on 7/3/00

Reads better, need correction on total SR loss
The document definitely reads better.

April 20, 1998 was not a clear day in Eugene. As you can see from the graph, April 20 did have some clouds. We...

Submitted by Vignola Frank on 7/3/00

Minor corrections, looks good.
I notice a few minor corrections. I will read it through more carefully over the next five or six days and get back to you next week. Otherwise it looks...
Submitted by Gill Tom on 7/3/00

I like the new structure
I like the new structure
Submitted by McKendry Ian on 7/3/00

why is ths open to the world?
Submitted by DuBois Dave on 6/30/00

The Asian Dust Events of April 1998 - 14 slide presentation
This is a brief 14 slide presentation of the paper The...
Submitted by Husar Rudolf on 6/29/00

The Asian Dust Events of April 1998 - Revised for JGR
This is a revision of the Asian Dust paper submitted...
Submitted by Husar Rudolf on 6/29/00

Peng Chi-Ming has registered
I am using HYSPLIT model to simulate the dust storm and trajectory. Hope to use the result to compare the real data in ASIA-FAREAST.

Peng Chi-Ming has registered
I am using HYSPLIT model to simulate the dust storm and trajectory. Hope to compare the real data in ASIA-FAREAST.

Revisions to the paper not done.
This is to let the Asian Dust group know that the revisions to the paper will have to wait a few days. The Memorial weekend was just too nice, too much...
Submitted by Husar Rudolf on 5/30/00

Suggestions for re-organizing the manuscript
Here are some suggestions for re-organizing the manuscript.

1) The contents of section 2.1 (Background on East Asian Dust) could be included in the introduction,...

Submitted by Frouin Robert on 5/29/00

On the 'dissipation' of the dust cloud
I have looked at the comments that you prepared. The tone seems ok to me. The main theme of both reviewers seemed more to do with organizing all of the...
Submitted by Laulainen Nels on 5/26/00

Reorganization along a timeline is OK.
I agree with reviewer B that a reorganization along the lines suggested would improve the clarity of the paper-- i.e., develop a better integrated time...
Submitted by Sassen Ken on 5/26/00

Ken Sassen has registered
Cloud remote sensing with lidar and radar, atmospheric optics

Response to JGR reviews
(1) Rudy and I have fleshed out some parts of it over the last day or two with the suggestions of Pierre Biscaye, regarding the long-distance transport....
Submitted by Gill Tom on 5/25/00

Tentative response to Reviewer B
Here is a tentative response to reviewer B. As you see, I am ready...
Submitted by Husar Rudolf on 5/25/00

Tentative response to Reviewer A
OK, here is a tentative response to reviewer A. Does this have...
Submitted by Husar Rudolf on 5/25/00

Re: modeling
OK, `Modeling` subheading is OUT. After all, this paper does not deal with modeling. We will then incorporate the references to the modeling papers in a...
Submitted by Husar Rudolf on 5/24/00

modeling
Well, I agree with David and Ian here. I think these few sentences should stay in, but perhaps you can appease the reviewer by taking out the subheading...
Submitted by Jaffe Dan on 5/24/00

Re: What to do with the modeling section?
I don't think I am being mercenary by suggesting that the modelling studies together form an important part of the story and should somehow be incorporated...
Submitted by McKendry Ian on 5/24/00

Re: What to do with the modeling section?
For me its ok to put references to our articles (expecting they will pass the referee procedure). I would only remove quotations in .. test and validate..
Submitted by NICKOVIC Slobodan on 5/24/00

What to do with the modeling section?
This is a note to the 'dust modelers': We will have to do something about the modeling section in the Asian Dust paper. Reviewer B said we either expand...
Submitted by Husar Rudolf on 5/24/00

More cleaning, polishing
Looking at the reviews it seems to me that most of the deficiencies resulted simply from our haste in trying to get the thing out in time. I think they...
Submitted by Tratt David on 5/24/00

Needs reorganization
I think the reviews are generally positive, even B's. B's points are more about re-organization than anything else.
Submitted by Frouin Robert on 5/24/00

JGR Reviews of the joint paper
Finally, the reviews of our paper `The Asian Dust Event of April 1998` have come in. The paper will require revisions and point-by-point response to the...
Submitted by Husar Rudolf on 5/24/00

Qiang Liu has registered
modeling of the transport of dust aerosol.

a new duststorm happed in china
A strong duststorm happed in northern china, it looks stronger than what happened in 1998
Submitted by Lu Feng on 4/7/00

a new duststorm happed in china
A strong duststorm happed in northern china, it looks stronger than what happened in 1998
Submitted by Lu Feng on 4/7/00

Xiaoqing GAO has registered
asian dust storm outbreak and its numerical simulation, its climate effect, and its large scale transport

Helen Power has registered
I developed a model for estimating aerosol optical depth from climate data. I tested the model using observations from the Atmospheric Sciences Research...

Wen-Zhong Chen has registered
Atmospheric correction of ocean color remote sensing data. To model the Asian dust and to integrate our knowledge about Asian dust to atmospheric correction.

Katherine Enns has registered
We began monitoring metals and sulphur particulate in lichens in Gulf Islands 11 years ago and found concentrations in tissues that could not be explained...

Errors and Weaknesses in the April 98 Dust Summary Paper?
This summary paper on the April 98 Asian dust events was submitted for publication on Dec 31 1999 to the special Dust ...
Submitted by Husar Rudolf on 1/3/00

The Asian Dust Events of April 1998
In April 1998, several unusually intense dust storms occurred over the Gobi Desert in Western China and Mongolia. In particular, the storm on April 19,...
Submitted by Husar Rudolf on 1/3/00

Re: How was the dust plume transported once it reached the West Coast?
We are using the MC2 model . to simulate the dust transport. This model...
Submitted by McKendry Ian on 12/9/99

How was the dust plume transported once it reached the West Coast?
Ian McKendry, In your recent submittal to the Asian Dust event website you describe your analysis of the impact of the April 1998 dust event on PM10 concentrations...
Submitted by Schichtel Bret on 12/9/99

Re: JGR Special Issue
I have lidar profiles which were acquired in So. Calif. These can be viewed at the URL:

http://www.jpl.nasa.gov/lidar/asian_dust.htm

I'm in the process...

Submitted by Tratt David on 12/6/99

Re: JGR Special Issue
Ian, thanks for your note regarding cross referencing of related papers on the dust event. Clearly, we need a shared catalog on what has been done, with...
Submitted by Husar Rudolf on 12/6/99

9. In Situ Measurements of the April 98 Dust
Topics include: Size distribution; mass concentration; chemical composition; optical properties, etc.
Submitted by Husar Rudolf on 12/5/99

8. Remote Sensing of the Dust Event
Topics include: Detection of the dust event by geostationary and polar orbiting satellites; single wavelength and spectral sensors; lidar detection; sun...
Submitted by Husar Rudolf on 12/5/99

Modeling of the April 98 Dust Event
Topics include: Modeling of emission, transport, transformation and removal processes; simulation of ambiennt concentrations, optical parameters; trajectory...
Submitted by Husar Rudolf on 12/5/99

Transport Simulation of the April 1998 Chinese Dust Event
Simulation of the horizontal and vertical transport of the Asian dust cloud from April 19 - April 30 using a particle Monte Carlo Model. The simulation...
Submitted by Schichtel Bret on 12/5/99

Effects and Implications of the Asian Dust Event
Topic includes: health effects; materials damage; effects on weather; implication to international policy policy; implication to international science collaboration...
Submitted by Husar Rudolf on 12/5/99

Physical, Chemical and Optical Characteristics of the Dust
Topic includes: dust size distribution, chemical composition; optical properties over Asia, Pacific and N. America
Submitted by Husar Rudolf on 12/5/99

Spatial-Temporal Pattern of the Dust
Topic includes: Spatial pattern of dust over Asia, Pacific and N. America between April 17 and 31; vertical distribution; temporal pattern
Submitted by Husar Rudolf on 12/5/99

Dust Transformation and Removal Processes
Topic includes: Changes in size distribution, chemical composition, optical properties; cloud interactions; deposition
Submitted by Husar Rudolf on 12/5/99

Atmospheric Transport of the Dust
The topic includes: transport near the source; trans-Pacific transport; transport over N. America, horizontal and vertical pathway; mixing
Submitted by Husar Rudolf on 12/5/99

Source and Emission Characteristics of the April 1998 Asian Dust Event
The topic includes: the meteorological conditions leading to the dust emission; the source region; emission time period; emission rates etc.
Submitted by Husar Rudolf on 12/5/99

Peter Colarco has registered
Dust sources, modeling dust production and transport, remote sensing applications.

JGR Special Issue
I am in the final stages of preparing a paper for the JGR special issue (Jan 1 deadline) on the April 1998 Event in the Vancouver Region. In that paper...
Submitted by McKendry Ian on 12/3/99

Chris Gueymard has registered
I developed a variety of broadband and spectral solar radiation models, as well as different methods to estimate atmospheric turbidity and aerosol optical...

Ian McKendry has registered
We have completed a draft paper examining the impact of the April 1998 dust event on PM10 concentrations in the Vancouver region. We have compared the...

Submitted by Westphal Douglas on 11/3/99

Parveen Bajaj has registered
We are Millers/Exporters From India Exporting in Bulk and Attractive innovative Consumer Packings the following Agro Products & Commodities : Basmati Rice,...

Roberto A. Peiretti has registered
I am particularly interested in discussing the true origin of this tremendous example of the erroneous way under which, we the humans, are managing the...

Slobodan NICKOVIC has registered
Atmospheric dust modelling, operational prediction of dust parameters

Joseph Vaughan has registered
We captured solar irradiance data using a Yankee Shadowband Radiometer during the Asian dust event. Our analysis shows a maximum optical depth occuring...

Mahesh Phadnis has registered
Regional (Asia) and Global scale Modeling of dust and pollutant transport. Heterogeneous chemical interactions of tropospheric trace gases on mineral aerosols....

James Yienger has registered
3D global atmospheric chemical modeling with a focus on trans-Pacific atmospheric transport. We are currently studying frequency and nature transport...

Bernard Hallet has registered
Paleo Dust Records, Loess in China How can we use recent observations of contemporary Asian dust to improve our ability to decipher past environmental conditions...

Yuan Gao has registered
Chemical and physical characterization of dust particles, the global dust fluxes, and dust/aerosol remote sensing/oceanic biomass interactions.

Ken Wilkening has registered
policy analysis of trans-Pacific air pollution, and transboundary air pollution in Northeast Asia

Douglas Westphal has registered
Dust, smoke, and anthropogenic aerosols, their sources, transformation, and transport

Aerosol Plumes over Southeast Asia and Transport over the Pacific as seen by SeaWiFS.
This page contains annotated truecolor images of the aerosol from the SeaWiFS satellite. During the March-May season, Southeast Asia is the most prominent...
Submitted by Husar Rudolf on 3/25/99

Tendra Swann has registered
Always interested in Educational facts and reports, not only for the Childrens education but also for person research. All humans need to know more about...

Doug Fox has registered
Smoke Management, Climate Change and fine particulate issues associated with human activities in Asia

Jeong-su Park has registered

Online News Report on Asia-Fareast Dust Storm
The web page `disasterrelief.org,` which is a `worldwide disaster aid and information service on the Internet,` sponsored by CNN, IBM and the Red Cross,...
Submitted by Gill Tom on 1/29/99

Re: Interested in dust transport images for a children’s magazine
Thank you for your interest in a sequence of color images that show the Asian dust cloud crossing the ocean. It turns out that Jim Acker and Norman Kuring...
Submitted by Husar Rudolf on 12/31/98

Interested in dust transport images for a children’s magazine
I'm the editor of Muse, a science magazine for children 8 to 10 published jointly by the Cricket Magazine Group and Smithsonian Magazine. I read in Science...
Submitted by Lutz Diana on 12/31/98

Request to reprint dust images
Dear Dr. Husar, I'm the editor of Muse, a science magazine for children 8 to 10 published jointly by the Cricket Magazine Group and Smithsonian Magazine....
Submitted by Lutz Diana on 12/31/98

Diana Lutz has registered
Interested in using dust images in a nonfiction children's magazine jointly published by the Cricket Magazine Group and Smithsonian Magazine.

Thanks for registering the SeaWiFS images
Thanks for registering your report on the Asian Dust website. I am sure that quite a number of visitors will hop over to your page. Besides, it is said...
Submitted by Husar Rudolf on 12/31/98

SeaWiFS Observes Transport of Asian Dust Over the Pacific Ocean
Compilation of SeaWiFS images showing the progression of the dust transport event from its origin in China to the impingement of the dust cloud on the...
Submitted by Acker James on 12/29/98

James Acker has registered
The Goddard DAAC is the archive and distribution site for SeaWiFS data. SeaWiFS data is useful for the detection of dust transport and the potential effects...

Robert Frouin has registered
Atmospheric correction of ocean color in the presence of dust. Aerosol remote sensing. Satellite ocean color validation. Manages San Nicolas Island CIMEL...

Youngsin Chun has registered
1. Measurement of Asian Dust ( Whangsa in Korea) : Observation in Seoul during March to May, 1998 --- TSP, PM10, Number density(0.3-25um) 2. The long...

Are there any image data at IR and thermal bands available for the Asia dust storm
I want to know are there any satellite image data at IR and thermal bands (such as 3.75 micron, 8.5 micron, 11 micron, and 12 micron)available for the Asia...
Submitted by Zhao Tom on 10/27/98

Lidar Network Observation of Kosa (Asian dust) in Japan
Dear Colleagues,

I would like to inform you about the organization of Network observation of Asian dust (Kosa) in Japan with ground-based instruments:...

Submitted by Murayama Toshiyuki on 10/25/98

Toshiyuki Murayama has registered
Dear Colleagues,

I would like to inform you about the organization of Network observation of Asian dust (Kosa) in Japan with ground-based instruments:...


Cecile Dupouy has registered
Link with ocean color

Tom Zhao has registered
Aerosol and suspended matter retrieval from satellite, atmospheric correction, modeling of aerosol microphysics,l and tropospheric and stratospheric chemistry

Steven Clemens has registered
I'm interested in observations of dust transport to the Arabian Sea. Project JGOFS (Joint Global Ocean Flux Studies) completed a year-long sediment trap...

Other Dust Events
One of the specialist at our lab who is looking at the particulate data asks the following:

Regarding the Asian dustcloud project--the particulate data...

Submitted by Hennessey Joseph on 9/24/98

Re: did the storm of April begins in china?
Dr Lu Feng, welcome to our virtual community interested in the Asian Dust Storm of April 1998. I have located the storm from the color 'photographs' of...
Submitted by Husar Rudolf on 9/17/98

did the storm of April begins in china?
We have a paper postered on `SPIE's First International Asia-Pacific Symposium on Remote Sensing of the Atmosphere,Enviroment, and Space` the paper is `A...
Submitted by Lu Feng on 9/16/98

Feng Lu has registered
montioring dust storm with satellite data, cloud derive wind,database,Gis application in meteorological, vis5d application

Frank Van Haren has registered
Visbility protection program coordinator. Fine particulate and visibility monitoring. In Washington State there are several fine particulate monitoring...

J.Y. Lee has registered
Technical forum

Web Page on Asian Dust in Lubbock, TX 5-5-98
I have put together a little web page with an image of the Asian dust haze as it arrived in Lubbock, Texas on 5-5-98. Go to http://www.atmo.ttu.edu/asiadust.html...
Submitted by Gill Tom on 6/19/98

Special session at December 1998 AGU meeting
A special session will be held at the December 1998 American Geophysical Union meeting in S.F. which will focus on long range transport of dust and pollutants...
Submitted by Jaffe Dan on 6/19/98

Just a test
test.
Submitted by Van Hook Bryan on 6/18/98

Kristin Hanson has registered

Science and Air Quality Management Lessons Learned from the Central American Smoke and Asian Dust Events
This is a list of 6 observations regarding the Asian dust and Central American smoke events. I have e-mailed this to a number of managers at EPA and other...
Submitted by Husar Rudolf on 6/2/98

Enhanced Java Animator
An enhanced version of the Java image animator (Ani2) submitted by Scott Bachmeier. The applet now uses an external metadata file to store attributes of...
Submitted by Van Hook Bryan on 5/28/98

Nels Laulainen has registered
have access to multifilter rotating shadowband radiometer data from various sites in the US (mainly). These data can be used to derive estimates of aerosol...

Nels Laulainen has registered
have access to multifilter rotating shadowband radiometer data from various sites in the US (mainly). These data can be used to derive estimates of aerosol...

Recent Japanese Workshop on Dust Originating in Inland Asia (China)
(Dr. Yabuki has asked me to forward this comment to the discussion. - Tom Gill)

Dear Colleagues,

My name is Sadayo YABUKI, senior researcher of the...

Submitted by Gill Tom on 5/27/98

Possible Sighting of Asian Dust in Eastern Utah
We present descriptive text and photos of unusual haze passing over the area of Canyonlands National Park, eastern Utah, on May 3rd and 4th, which we suspect...
Submitted by Reheis Marith on 5/27/98

Re: Re: Would you like watch another dust in storm in Western?
Sorry Russ, this dust storm seems to be fading. It has not made...
Submitted by Husar Rudolf on 5/21/98

Re: Would you like watch another dust in storm in Western?
Rudolf, MLO would like to watch the storm progress especially if it appears that it will travel south far enough to pass over our observatory.

Thanks...

Submitted by Schnell Russ on 5/21/98

MultiFilter Radiometer Data from Eugene, Oregon
On April 27, 1998 in Eugene, Oregon the following optical depths were observed. TOD is total Optical Depth and AOD is Aerosol Optical Depth. Nels Laulainen...
Submitted by Vignola Frank on 5/21/98

Would you like watch another dust storm in Western China?
On the May 20 98 SeaWiFS image a new dust storm is visible. It seems to be...
Submitted by Husar Rudolf on 5/21/98

Re: Availability of SeaWifs Data
The daily SeaWiFS 4km coverage of the world is available form the excellent NASA SeaWIFs image server. I have put together a page describing the acces...
Submitted by Husar Rudolf on 5/21/98

Re: How to provide pictures and information to this website?
I would recommend that you place a web page about your results on your server. I mean literally just a page containing your mini-report and the picture....
Submitted by Husar Rudolf on 5/20/98

Back Trajectories for the Dust Episode in the Southwestern British Columbia
In order to assist the analysis of the particulate episode in southwestern British Columbia, Environment Canada has performed a series of backtrajectories...
Submitted by Thomson Bruce on 5/20/98

Bruce Thomson has registered

Preliminary PM10/PM2.5 Measurements at BC Monitoring Stations During Asian Dust Event
Our PRELIMINARY analysis, shows that the event, as defined by a noticeable increase in PM10 and PM2.5 levels, was first detected at the southern mainland...
Submitted by Sakiyama Steven on 5/20/98

How to provide pictures and information to this website?
I am having our slides of the unusual dust in Utah seen on May 3rd (see comment below) scanned into JPG format. Shall I send them to you as an e-mail attachment...
Submitted by Reheis Marith on 5/20/98

Dust samples from Utah
We were able to retrieve samples from two sites where we had erected Frisbee-type dust samplers on May 2nd and 4th (see comment below) in Canyonlands, Utah....
Submitted by Reheis Marith on 5/20/98

Visual dust stratus comparison to no dust sky (59k @172dpi)
Normal sky photo pasted into a photo taken from the same Pacific Northwest peak. Anyone know how to use a photograph for 'remote sensing' ?? (59k @172dpi)
Submitted by Mallard Tom on 5/20/98

Tom Mallard has registered
Cultural history, archeology, human migration to north america, kanji, kitemaking; geomorphology, erosion, (aeolian transport/erosion as well as water)

Also,...


Trajectories for the Dust Layers Observed by David Tratt, JPL
Trajectories initiated on the coordinates of the dust layers observed by David Tratt with the JPL 10.6-micron lidar on April 27, 29, and 30, 1998 flow back...
Submitted by Schnell Russ on 5/19/98

AHMET CEMAL SAYDAM has registered
The impact of, desert origin, wet dust deposition on algae bloom with special reference to the bloom/high concentrations of Emiliania huxleyi

Re: Anecdotal reports of health effects
John Bachmann: Thanks for your response to my note. I'll let you know what our results look like. In the meantime, you might think about any way your office...
Submitted by Jaffe Dan on 5/15/98

New Website on Smoke from Central American Fires
Responding to strong urging from our EPA sponsors we have set up another intrective website Smoke from...
Submitted by Husar Rudolf on 5/15/98

Re: Raw MultiFilter Radiometer data for Oregon
Thanks for registering the Raw MultiFilter Radiometer data from Eugene, Oregon. Are there a set of plots and a short report that you could share with us?...
Submitted by Husar Rudolf on 5/14/98

MultiFilter Radiometer Data from Eugene, Oregon
Raw MultiFilter Radiometer data from Eugene, Oregon can be download from this web page. The dust cloud decrease our average direct normal beam insolation...
Submitted by Vignola Frank on 5/14/98

Frank Vignola has registered
We are interested in the effect of the dust cloud on solar radiation in the Pacific Northwest.

Anecdotal reports of health effects
I would like to encourage the technical forum readers to involve the health and medical community in the discussion. Any reports of health effects consequences...
Submitted by Bachmann John on 5/14/98

John Bachmann has registered
PM Naaqs review and implementation issues. Natural events policy Research on the health effects of particles.

Comments on the Dust Storm by Dr. Weinan Chen
I am posting the following comments from Dr. Weinan Chen. Dr. Chen is a distinguished and accomplished visiting researcher from China, who has many years...
Submitted by Gill Tom on 5/14/98

CNN Report of the Dust Storm - Transcript
For what it's worth, the following transcript was obtained from reports posted on the CNN WORLD REPORT ARCHIVES, at Texas Tech University. For noncommercial,...
Submitted by Gill Tom on 5/14/98

David MacKinnon has registered
Remote sensing studies of land/atmosphere interactions, particularly dust storm events

Test
Test
Submitted by Husar Rudolf on 5/13/98

Eyewitness Accounts of the Asian Dust Event Generates Excitement
This is a terrific slide show documenting the April 1998 Asian dust event, and the use of the web for rapid response collaboration. However, I do not think...
Submitted by Schichtel Bret on 5/12/98

Re: Feedback.. so learning is not left to chance.
I wish to thank Rudy Husar and all others who have organized and contributed to this web site. This particulate event was transitory in nature, much like...
Submitted by Mims Forrest on 5/12/98

Feedback.. so learning is not left to chance.
OK, here is the first iteration slide show. The most beneficial comments are critical and constructive, so do not hesitate to speak out, give us your perspective....
Submitted by Husar Rudolf on 5/12/98

The Dust Event of April 1998 - Slide Show
This is the first draft of the report prepared by the ad hoc community of participants. Comments and feedback is requested. (Click on the Comment/Feedback...
Submitted by Husar Rudolf on 5/12/98

dust impacts
I have one first hand report of an asthamatic attack during the week of the `Big Dust`. We are now looking more systematically into respiratory issues...
Submitted by Jaffe Dan on 5/12/98

Re: Error loading images
The catch with this applet is that you must make a copy of the gif without the .gif suffix...so your image0.gif, image1.gif, etc. should be named image0,...
Submitted by Bachmeier Scott on 5/12/98

Error loading images
I've been trying to use your Java image animator, but I'm getting an error message that says `Error loading image 1; quitting.` The applet HTML setup looks...
Submitted by Van Hook Bryan on 5/12/98

Bryan Van Hook has registered
Website development at CAPITA.

Re: Feedback.. so learning is not left to chance.
I wish to thank Rudy Husar and all others who have organized and contributed to this web site. This particulate event was transitory in nature, much...
Submitted by Mims Forrest on 5/12/98

Feedback.. so learning is not left to chance.
OK, here is the first iteration slide show. The most beneficial comments are critical and constructive, so do not hesitate to speak out, give us your perspective....
Submitted by Husar Rudolf on 5/12/98

The Dust Event of April 1998 - Slide Show
This is the first draft of the report prepared by the ad hoc community of participants. Comments and feedback is requested. (Click on the Comment/Feedback...
Submitted by Husar Rudolf on 5/12/98

GOES-9 Image of North America on May 10, 1998
Submitted by Husar Rudolf on 5/11/98

Java animation applet (Ani2.class)
At the request of Rudolf Husar, I have placed the Java class file (Ani2.class) and a template HTML file (template_java.html) into my anonymous ftp area...
Submitted by Bachmeier Scott on 5/11/98

SeaWiFS Image of Dust Cloud on April 24
Submitted by Husar Rudolf on 5/11/98

SeaWiFS Image of Dust Cloud on April 19, 1998
Submitted by Husar Rudolf on 5/10/98

GMS-5 Vis Animation of the Dust Storm on April 19, 1998
Submitted by Husar Rudolf on 5/10/98

A really bad aerosol day over North Amarica
May 9 1998 was a really bad aerosol day over North America....
Submitted by Husar Rudolf on 5/10/98

SeaWiFS May 09 98 image of smoke over Eastern Canada, US and Mexico
SeaWiFS May 09 98 image shows the smoke from Yucatan spreading over the Southeastern US. Separate smoke palls are seen over the Great Lakes and Eastern...
Submitted by Husar Rudolf on 5/10/98

SeaWiFS May 09 98 image of smoke over Eastern Canada, US and Mexico
SeaWiFS May 09 98 image shows the smoke from Yucatan spreading over the Southeastern US. Separate smoke palls are seen over the Great Lakes and Eastern...
Submitted by Husar Rudolf on 5/10/98

SeaWiFS May 09 98 image of Asian smoke over the North Pacific Coast
The bluish haze over the ocean is smoke from North China emitted a week? earlier.
Submitted by Husar Rudolf on 5/10/98

GOES 9 May 9 1998 visible image of smoke over N America
GOES 9 May 9 1998 visible image of smoke over N America originating from China, Mexico and Canada.
Submitted by Husar Rudolf on 5/10/98

Smoke over the East Pacific from East Asia on the Doorstep of N America
A smoke pall has been approaching N. America from Northern China/Mongolia? On the SeaWiFS...
Submitted by Husar Rudolf on 5/9/98

GOES 9 Visible image 98 05 09 00:44 Asian smoke over the East Pacific
Smoke cloud from Northern China seen by GOES9 satellite sensor over the East Pacific on the doorstep of North Amarica. The color...
Submitted by Husar Rudolf on 5/9/98

SeaWiFS East Pacific 98 05 08, Asian smoke
Smoke cloud from Northern China seen by SeaWiFS satellite sensor over the East Pacific on the doorstep of North Amarica.
Submitted by Husar Rudolf on 5/9/98

Re: Sighting of Asian dust in Utah??
I think that it's quite possible that it was that same chunk of dust that many observers saw in Lubbock on May 4th and 5th. There was a noticeable and unusual...
Submitted by Gill Tom on 5/9/98

Availability of SeaWifs Data
I have used older GOES and Landsat images, along with some of our digital change detection procedures that includes both geometric and radiometric calibration,...
Submitted by Chavez Pat on 5/8/98

Richard Reynolds has registered
Working on the project (see description by Marith Reheis) to link surficial geologic processes with desert ecosystem processes. Identification of eolian...

Re: differentiating smoke from dust
There's a really easy to way to differentiate optical absorption due to 'smoke' (i.e. elemental or 'black' carbon), versus that due to dust: if there are...
Submitted by Hansen Tony on 5/7/98

Tony Hansen has registered
Measurement of optically-absorbing aerosol species: differentiation of smoke and dust: real-time monitoring of absorption

Pat Chavez has registered
I have been using satellite remotely sensed images for change detection of vegetation dynamics in deserts and dust storm mapping. We have also used satellite...

Re: Sighting of Asian dust in Utah??
I have no clue whether you were seeing The Dust at Canyonlands N.P. on May 3. Between April...
Submitted by Husar Rudolf on 5/7/98

Sighting of Asian dust in Utah??
On May 3rd in the late afternoon several of us were driving out from a remote area of Canyonlands N.P. (having just installed meteorological and dust-deposition...
Submitted by Reheis Marith on 5/7/98

Marith Reheis has registered
One of our groups is working in cooperation with the biological community to understand the interactions among eolian erosion, deposition, soil composition...

Great to see this page! Maybe some Shuttle images?
Dear Colleagues,

It's great to find out about this web site. I too have been sort of following this dust event for the last few weeks, and just recently...

Submitted by Gill Tom on 5/7/98

Tom Gill has registered
Dust generation and aeolian processes. Long-distance dust transport. Mechanisms of mineral dust generation. Role of mineral dusts in global biogeochemical...

Backscatter profile measurements from JPL, Calif.
These are our 10.6-micron lidar backscatter profiles for the week of April 27. They show the coarse evolution of the dust cloud as it appeared over the...
Submitted by Tratt David on 5/6/98

Poor visibility in Idaho forest
April 27th, on the way to work I could not figure why it appeared to be so much smoke in the valley, especially to the north. Visibility was poor past 18...
Submitted by Jackson Gary on 5/6/98

Charles Brock has registered
Tropospheric and stratospheric chemistry, aerosol physics and optics. Our group at the University of Denver operates particle measurement instruments on...

Do you have a clear day photo?
Great photos. As a reference, would you have a clear day (low AOT) photo under the same illumination condition - as the sun dips behind the mountain?
Submitted by Husar Rudolf on 5/6/98

Sunset photos in Reno, NV (April 27 and 28)
Here's some ground truth photos you can see for yourself. Included are sunset photos shot during April 27 and 28 in Stead, NV. The scanner put a little...
Submitted by DuBois Dave on 5/6/98

Re: The first quantitative surface AOT monitoring data!
The sun photometer was calibrated on April 21st (clear day). I used the Langley method to estimate the top of the atmosphere voltage. I put two more photos...
Submitted by DuBois Dave on 5/6/98

CNN Geographic Map of Xinjiang Province, China
Submitted by Husar Rudolf on 5/5/98

Brent Holben has registered
Research on aerosol optical properties and validation of satellite aerosol products from ground-based sun-sky scanning spectral radiometers.

SeaWiFS Image April 25, 1998, West Coast Dust
Submitted by Husar Rudolf on 5/5/98

GOES 10 Image April 28, 1998, China Dust
Submitted by Husar Rudolf on 5/5/98

SeaWiFS Sequential Image, April 18-27, 1998, Pacific Dust
Submitted by Husar Rudolf on 5/5/98

SeaWiFS Image April 24, 1998, Pacific Dust
Submitted by Husar Rudolf on 5/5/98

SeaWiFS Image April 20, 1998, China Dust on 5/5/98

SeaWiFS Image April 16, 1998, China Dust
Submitted by Husar Rudolf on 5/5/98

CNN Footage of Xinjiang Dust Storm
On April 20, CNN reported the awesome affects of this intense dust storm in western China.
Submitted by Falke Stefan on 5/5/98

Re: Particle Size of The Dust
You are right, it does not make sense. No clue as to where that came from. I talked to AP but the size never came up.
Submitted by Husar Rudolf on 5/5/98

The Asian Dust hits the CAPITA web server!
The CAPITA website has exprienced a major burst of visits last Thursday/Friday, April 29th. The daily ...
Submitted by Juric Sasha on 5/5/98

Sasha Juric has registered
Hardware/software consultant for the CAPITA web server.

Combining GOES 9 and GMS-5 tranasport story; Java animator
Great animation, Scott. Would be nice to have you work up a story on the transport situation as the dust cloud approaches N America(?) I have a full set...
Submitted by Husar Rudolf on 5/5/98

The first quantitative surface AOT monitoring data!
The magnitude of 0.3 - 0.5 is a respectable AOT for a 8-10 day old dust layer! And it comes and goes for the 3 days! What happened after the April 29th?...
Submitted by Husar Rudolf on 5/5/98

Thanks for sharing the aircaft aerosol size distribution data
Santiago, it is an absolute delight to have you share with us the aerosol size distribution data from the test flight of your new aeroplane. What a coincidence...
Submitted by Husar Rudolf on 5/4/98

Walter Lyons has registered
We have a long standing interest in long range dust transport. More immediately, we are gearing up for our annual monitoring of sprites (luminous flashes...

GOES-9 water vapor cloud tracked winds
12-Hourly (00:00, 12:00 UTC) GOES-9 water vapor images and water vapor cloud tracked winds (lower to middle troposphere) from 21-30 April 1998 are available...
Submitted by Bachmeier Scott on 5/4/98

GOES-9 IR cloud tracked winds
12-Hourly (00:00, 12:00 UTC) GOES-9 IR images and IR cloud tracked winds (lower to middle troposphere) from 21-30 April 1998 are available as GIF via anonymous...
Submitted by Bachmeier Scott on 5/4/98

GOES-9 visible cloud tracked winds (CORRECTION)
Daily (00:00 UTC) GOES-9 visible images and visible cloud tracked winds (lower to middle troposphere) from 21-30 April 1998 are available as GIF via anonymous...
Submitted by Bachmeier Scott on 5/4/98

GOES-9 visible cloud tracked winds
Daily (00:00 UTC) GOES-9 visible images and visible cloud tracked winds (lower to middle troposphere) from 21-30 April 1998 are available as GIF via anonymous...
Submitted by Bachmeier Scott on 5/4/98

Aircraft Measurement of the Asian Dust Size Distribution
Last Monday (April 27), the new aircraft (CONVAIR 580) of the CAR Group made a test flight over Cheeka Peek (NW tip of the Olympic Peninsula, WA) area around...
Submitted by Gasso' Santiago on 5/4/98

Sun Photometer Turbidity Measurements of the Dust at Reno, NV
I was in the process of taking sun photometer measurements during April 17 through 29 in Reno for a measurements class. Although I dont't have complete...
Submitted by DuBois Dave on 5/4/98

ground based sun photometer measurements during haze episode
I was in the process of taking sun photometer measurements during April 17 through 29 in Reno for a measurements class. Although I dont't have complete...
Submitted by DuBois Dave on 5/4/98

Alan VanArsdale has registered
Involved in [proposed] Advanced Monitoring Initiatives (as EPA Regional staff) to help develop air pollution/satellite technologies, PMf monitoring activites,...

Dan Jaffe has registered
Dust and pollution transport in the Pacific

Particle Size of The Dust
An Associated Press release on the dust closes by saying that most of the dust particles were smaller than 2.5 microns in diameter. Where does such information...
Submitted by Schnell Russ on 5/4/98

Gary Jackson has registered
April 27th, on the way to work I could not figure why it appeared to be so much smoke in the valley, especially to the north. Visibility was poor past 18...

Real-time Environmental Applications and Display System (READY)
READY is an online source of past, present, and future meteorological data, as well as an interactive trajectory and dispersion modeling server.
Submitted by Schichtel Bret on 5/4/98

Dave DuBois has registered
aerosol transport, aerosol monitoring, atmospheric optics

Re: Travel Time for the Dust
I asked Joyce Harris of NOAA/CMDL to run some back trajectories from the LA area for 4/28/1998. The trajectories initiated at 5 km over LA reach back to...
Submitted by Schnell Russ on 5/3/98

Re: Haze in California
This message must have been posted by one of my co-workers.
Submitted by Hennessey Joseph on 5/3/98

bob johnson has registered
Been aware of heavy haze in Medford,Or for about a week and am pleased to find this site, info & and discussion. Situation has improved yesterday & today...

Bret Schichtel has registered
Long range transport, source receptor modeling

Kevin Lyle has registered
How a natural dust storm effects other countries.

Visual observations of dust
For at least the past week the normally very blue sky over Reno has been notably milky and washed out. During a Monday flight (appr 9 am) to LAX on...
Submitted by Redmond Kelly on 5/1/98

Kelly Redmond has registered
Whatever happens in the atmosphere over the West.

Pacific NW observations
We have been measuring aerosol optics and chemistry at NW tip of WA state for last two months. The dust pall descended over WA Wed April 29 (was aloft...
Submitted by Anderson Tad on 5/1/98

Tad Anderson has registered
Research Scientist, aerosol optics, chemistry, and global impacts

elevated PM10/PM2.5 in southerm British Columbia
>I am a staff scientist with the British Columbia, Ministry of the >Environment. I am investigating the underlying causes of the >particulate matter event...
Submitted by Sakiyama Steven on 5/1/98

Mauna Loa Observatory (MLO) and Asian Dust
Each spring MLO receives Asian Dust flows which may number up to 25 over the March May period. MLO was ready for this dust storm but it passed a bit too...
Submitted by Schnell Russ on 5/1/98

Learning Experience
Thanks for putting all that information together on your web page. My atmospheric chemistry students and I are finding it very stimulating.
Submitted by Huebert Barry on 5/1/98

Steven Sakiyama has registered
The April 27 - May 1 haze event in southern BC

Future Analysis
I learned about the big dust storm from Scott Bachmeier. These displays of images and data are wonderful. I plan to share some meteorological analyses...
Submitted by Merrill John on 5/1/98

Re: Need groud thruth aerosol data from the Pacific states!
I gave our Lidar folks here at UW-Madison a heads-up on this dust thing -- they're going to try and capture some data in the coming days (if we can lose...
Submitted by Bachmeier Scott on 5/1/98

Haze in California
I'm interested in the dust event because we have gotten a lot of calls from people wondering about the haze over California.
Submitted by Hennessey Joseph on 5/1/98

Eye Witness
I observed some potential effects of the Asian dust event in the eastern Sierra Mountains and in Metropolitan Los Angeles over the past couple of days.
Submitted by Durkee Kevin on 5/1/98

Russ Schnell has registered
Monitoring aerosols and gases in the free troposphere. Each spring MLO receives Asian Dust flows which may number up to 25 over the March May period. MLO...

Need groud thruth aerosol data from the Pacific states!
OK web-dusters, the debris (as in dust) is hitting the fan! Yesterday I talked to Associated Press, today Voice of America … but I am getting a bit nervous...
Submitted by Husar Rudolf on 5/1/98

I'll be back - the dust says to S California.
Bulletin (May 1,98): GOES10 and SeaWiFS...
Submitted by Husar Rudolf on 5/1/98

Daily Aerosol and Met Data During the April 1998 Asian Dust Event
This is an array of daily images that have been considered relevant to this Asian Dust Event case study. It is hoped that with time there will be many other...
Submitted by Husar Rudolf on 5/1/98

Aerosol weather data on the web
This is a list of web links that I use to check out the global daily aerosol situation. I have been doing that since about February 98. Sofar it has been...
Submitted by Husar Rudolf on 5/1/98

Approximate dust path across the Pacific
A map of the approximate dust cloud location during the 8 day transit from Western China to the Pacific Coast based on satellite image analysis. [The 'community'...
Submitted by Husar Rudolf on 5/1/98

john porter has registered
I am involved in validating satellite aerosol algorithms and development of new algorithms.

Barry Huebert has registered
Thanks for putting all that information together on your web page. My atmospheric chemistry students and I are finding it very stimulating.

Interests:...


Re: Smoke from prescribed burns.
The answer is: maybe. Using GOES-9, we can look for the appearance of `hot spots` from fires on the 3.9 micron shortwave InfraRed images -- this tells us...
Submitted by Bachmeier Scott on 4/30/98

Rich Arimoto has registered
Source regions for Asian dust, long-range transport, air/sea exchange, biogeochemical cycles.

Smoke from prescribed burns.
At the Air Resources Board in Sacramento we have heard that there may have been several large prescribed burns this week in Oregon, Idaho and Washington.

If...

Submitted by Hennessey Joseph on 4/30/98

Joseph Hennessey has registered
I'm interested in the dust event because we have gotten a lot of calls from people wondering about the haze over California.

We in the Meteorology Section...


Re: Re: Re: How did you notice the Asian dust plume?
I first became aware of dust on morning of 4/28, preparing to join colleague and travel to Edwards AFB in Mojave Desert. Naturally thought it would be...
Submitted by Conel Jim on 4/30/98

John Merrill has registered
We do research on the meteorology of long range transport and the impacts on the oceans and on climate. I learned about the big dust storm from Scott Bachmeier....

Jim Conel has registered
Observations of Chinese Dust in LA Basin and Mojave Desert.

I first became aware of dust on morning of 4/28, preparing to join colleague and travel to...


Re: Re: Altitude of dust
P.S. -- doing quick'n'dirty calculations of 8000-9000 miles of transport in 8-10 days, you get transport speeds of 33-47 mph -- winds speeds more typical...
Submitted by Bachmeier Scott on 4/30/98

Re: Altitude of dust
My experience with these types of aerosol layers is that they get lofted into the 1.0-5.0 km (3000-15000 ft) range by some combination of mechanical mixing,...
Submitted by Bachmeier Scott on 4/30/98

Santiago Gasso' has registered
Remote Sensing of aerosols: validation of aerosol satellite measurements, radiative transfer of aerosols, long range transport of aerosols, airborne measurements...

Altitude of dust
Like many who have commented, we here in eastern Washington are experiencing an unusual haze episode. We've had a strong subisdence inversion for the...
Submitted by Miller Ronald on 4/30/98

Ronald Miller has registered

Re: Is the dust event past its peak?
Yes, GOES10 images indicate that the Asian Dust is fading over the West Coast: Apr 25 Noon, ...
Submitted by Husar Rudolf on 4/30/98

Is the dust event past its peak?
Rudy, do you feel that this event is already past its peak?
Submitted by Tratt David on 4/30/98

Yellow, muddy rain over Beijing
About the Dust Storm: It was reported that the dust storm begun from a large area of Gansu Province in northwest China, early morning on April 15th. With...
Submitted by Li Fang on 4/30/98

Fang Li has registered
Remote sensig of aerosol properties, aerosol optical depth pattern, atmospheric correction to satellite data.

Re: Asian Dust over southern and eastern California?
I also noted the hazy, miliky appearance to the sky in the Western Mojave Desert (Tehachapi and California City) on Sat/Sun 4/25-26. At first I attributed...
Submitted by Rogers Walter on 4/29/98

Walter Rogers has registered
Meteorologist in Charge (NWS) Los Angeles Center Weather Service Unit Palmdale, CA. We support the FAA's Air Route Traffic Control Center in Palmdale,...

Re: Re: Re: How did you notice the Asian dust plume?
Yesterday, 4/28/98, Dr. Jim Conel and I drove from JPL in Pasadena to Edwards AFB out by Lancaster. That morning, Jim made a point of bringing his jacket,...
Submitted by Helmlinger Mark on 4/29/98

Mark Helmlinger has registered
Optical/Near IR sunphotometry measurements from JPL, Pasadena, CA. concurrent with Lidar and possibly CIMEL/MFRSR

Asian Dust over southern and eastern California?
Thanks for this URL and the info on Asian dust. It is a great resource. It was also very timely.

I arrived to work this morning after a few days...

Submitted by Durkee Kevin on 4/29/98

Re: Re: How did you notice the Asian dust plume?
I noticed a report on CNN's website on April 20 about the dust storm. They included impressive video...
Submitted by Falke Stefan on 4/29/98

Stefan Falke has registered
Aerosol pattern, website maintenance

Re: How did you notice the Asian dust plume?
I caught a blurb about the dust storm on ABC News on Tuesday, 21 April; over the days that followed, I began to look for signs of dust on the GOES-9 imagery....
Submitted by Bachmeier Scott on 4/29/98

Kevin Durkee has registered
I am involved in event forecasting and regulatory issues related to particulate air quality in Southern California, including prescribed fire management...

Re: Yucatan smoke over Texas (was: Chinese Dust Over South Texas?)
Is it me, or has there been an unusually high amount of burning (and resultant smoke over the Gulf of Mexico) over that region this Spring? Our GOES Gallery...
Submitted by Bachmeier Scott on 4/29/98

Re: Dust-alert sent to intersted parties
As of last night, 9804282344 GMT, the only dust signal that I saw was on the GOES8 image...
Submitted by Husar Rudolf on 4/29/98

Re: How did you notice the Asian dust plume?
I saw a blurb about the dust storm on ABC News on Tuesday 21 April; I then began to watch the GOES-9 imagery for hints of haziness. I was surprised by...
Submitted by Bachmeier Scott on 4/29/98

Re: Chinese Dust Over South Texas?
Hello Forrest, welcome! Doubt that what you see in Texas is Chinese dust. More likely the large aureole and optical depth is due to the Yucatan smoke that...
Submitted by Husar Rudolf on 4/29/98

Annmarie Eldering has registered
I'm interested in atmospheric aerosols and thier effects on visibility, radiation, and atmospheric chemistry. My work began with urban air pollution and...

How did you notice the Asian dust plume?
Hey Scott, how did you notice the Asian dust plume? I have been monitoring the interesting aerosol regions of the world (China, Indochina, Mexico) through...
Submitted by Husar Rudolf on 4/29/98

Chinese Dust Over South Texas?
A very mild cold front has brought a cloud-free sky, dust (on cars), very large solar aureole, light blue sky and higher than usual measured optical...
Submitted by Mims Forrest on 4/29/98

Forrest Mims has registered
1. Annual observations at Mauna Loa Observatory (May) since 1992.

2. Daily AOT observations in South Texas since 1990.

3. Smoke-related research during...


Re: Re: Re:Tracking the Asian dust plume?
Hey, a real, spontaneous two-way link, a synapse! Soon we will operate together like Jule Verne's World Brain :).
Submitted by Husar Rudolf on 4/29/98

Re: Re:Tracking the Asian dust plume?
Thanks for linking to our Asian dust Web page...I'll return the favor and add your excellent page to our HTML document.
Submitted by Bachmeier Scott on 4/29/98

Re:Tracking the Asian dust plume?
[Trnas-scibed from e-mail correspondende]. I am so glad see your note on the Asian dust storm. I almost thought that I am halucinating! Yes we have set...
Submitted by Husar Rudolf on 4/29/98

Tracking the Asian dust plume?
Dr. Husar, I heard that you might be tracking an Asian dust plume that crossed the Pacific this past week? For your information, I have some GOES-9 images...
Submitted by Bachmeier Scott on 4/29/98

Satellite Sensing of Tropospheric Aerosols Over the Oceans with NOAA AVHRR
Two years of AVHRR data over the oceans show that East Asia has a strong springtime aerosol plume stretching out to the Pacific. Could that springtime Asian...
Submitted by Husar Rudolf on 4/29/98

Dust-alert sent to intersted parties
I am passing information about this event to a series of folk who deal in both in situ measurements of L.A. Basin aerosols and also those of us who collect...
Submitted by Tratt David on 4/29/98

Scott Bachmeier has registered
satellite meteorology, long-range atmospheric transport

Hi, web dusters
I think that we will have fun with this one. Looking forward hearing your ideas.
Submitted by Husar Rudolf on 4/29/98

David Tratt has registered
The JPL Laser Remote Sensing Group operates backscatter lidar systems from its site at Pasadena, Calif. We have a long- standing interest in the optical...

Rudolf Husar has registered
Aerosol pattern, transport, web-based collaboration.

Bryan Van Hook has registered
Website Development