Search found 274 matches
- Mon May 22, 2023 1:45 pm America/New_York
- Forum: Questions/Comments
- Question: AIRS L3 TqJoint data
- Replies: 7
Re: AIRS L3 TqJoint data
Thank you for your query. We will contact our AIRS data team and determine if this product is available.
- Fri May 12, 2023 5:08 pm America/New_York
- Forum: Questions/Comments
- Question: Questions about ArcGis Tools for MODIS AOD and processing in ArcGIS
- Replies: 3
Re: Questions about ArcGis Tools for MODIS AOD and processing in ArcGIS
Hello, Our GIS team at the GES DISC provided the following guidance for your question. As you indicated, using the functionality in ArcGIS Pro to Add Data, and "Add Multidimensional Raster Layer", and selecting the variables of interest (AOD and AOD_QA), will create one layer per variable....
- Wed May 03, 2023 10:57 pm America/New_York
- Forum: Questions/Comments
- Question: Predicting forest fires for a project
- Replies: 4
Re: Predicting forest fires for a project
Here are some suggestions for you. You may wish to examine the methodology used here: https://data.giss.nasa.gov/impacts/gfwed/ Here are some dataset suggestions. https://www.globalfiredata.org/fireatlas.html https://modis.gsfc.nasa.gov/data/dataprod/mod14.php This search result provides many of the...
- Mon May 01, 2023 3:50 pm America/New_York
- Forum: Questions/Comments
- Question: MOD10A1 striping/stripes in early 2000s
- Replies: 2
Re: MOD10A1 striping/stripes in early 2000s
The GES DISC does not serve this data. I am adding LAADS.
- Fri Apr 28, 2023 2:55 pm America/New_York
- Forum: Questions/Comments
- Question: How to get sea salt aerosol fraction from MODIS AOD data
- Replies: 3
Re: How to get sea salt aerosol fraction from MODIS AOD data
I also did a very quick search and found this reference.
https://modis.gsfc.nasa.gov/sci_team/pubs/abstract.php?id=02761
https://modis.gsfc.nasa.gov/sci_team/pubs/abstract.php?id=02761
- Fri Apr 28, 2023 2:53 pm America/New_York
- Forum: Questions/Comments
- Question: How to get sea salt aerosol fraction from MODIS AOD data
- Replies: 3
Re: How to get sea salt aerosol fraction from MODIS AOD data
Hello. I am not sure about MODIS AOD, but the Modern-Era Retrospective Analysis for Research and Applications Version 2 (MERRA-2) has several sea salt variables that may be useful. I am providing the search link in Giovanni, but the datasets and variables can also be acquired directly from the GES D...
- Thu Apr 20, 2023 2:02 pm America/New_York
- Forum: Questions/Comments
- Question: Photosynthetically Active Radiation Data
- Replies: 5
Re: Photosynthetically Active Radiation Data
MERRA-2 PAR products are in our Giovanni system, and that provides an opportunity to make a quick analysis for a particular region such as Door County. For Door County in particular, you would have to make a bounding box, or you could do the state of Wisconsin and just look at the values visually. I...
- Thu Feb 23, 2023 3:13 pm America/New_York
- Forum: Questions/Comments
- Question: data related to atmosphere at different altitudes
- Replies: 1
Re: data related to atmosphere at different altitudes
Dear Saivun Reddy, This message was just recently viewed as you posted it at a time which included a holiday in the United States. We have data from the Atmospheric Infrared Sounder (AIRS) that includes most of the parameters you requested. The data are available at pressure levels in hPA. You can i...
- Tue Feb 14, 2023 2:41 pm America/New_York
- Forum: Questions/Comments
- Question: aerosol data
- Replies: 5
Re: aerosol data
I will check with my colleagues. To begin, I recommend this ARSET training set of videos (from a class), particularly part 3.
https://www.youtube.com/playlist?list=PLiuUQ9asub3TPlA3RZuMJ_mHLuy6W5tGe
https://www.youtube.com/playlist?list=PLiuUQ9asub3TPlA3RZuMJ_mHLuy6W5tGe
- Thu Feb 09, 2023 4:23 pm America/New_York
- Forum: Questions/Comments
- Question: aerosol data
- Replies: 5
Re: aerosol data
Hello, Here is more information in response to your question. "I would like to suggest extracting PM2.5 from the daily AOD, and then calculate the monthly mean PM2.5. As such, the monthly PM2.5 value is more precise. When you convert AOD to PM2.5, you might need to consider the factors such as ...