Search found 217 matches

by GES DISC - jimacker
Thu Aug 27, 2020 12:15 pm America/New_York
Forum: Questions/Comments
Question: Status of Aqua and GPM
Replies: 5

Re: Status of Aqua and GPM

From the Precipitation Processing System (PPS) at Goddard Space Flight Center: "Dear Science User, The GPM spacecraft experienced an anomaly that caused an interruption of all science instrument data beginning on 8/19/2020 around 12:00 UT. GMI instrument data restarted collection on 8/26/2020 a...
by GES DISC - jimacker
Wed Aug 26, 2020 4:58 pm America/New_York
Forum: Questions/Comments
Question: Status of Aqua and GPM
Replies: 5

Re: Status of Aqua and GPM

Regarding GPM: On August 19, 2020 at approximately 11 UTC, the GPM Mission Operations Center (MOC) stopped receiving data from the satellite. While the satellite and the instruments are healthy, the Flight Operations Team (FOT) is working to safely reestablish nominal operations. Return to data coll...
by GES DISC - jimacker
Tue Aug 18, 2020 2:22 pm America/New_York
Forum: Questions/Comments
Question: Earth Reflectivity Data
Replies: 2

Re: Earth Reflectivity Data

Hello, What TOMS variable(s) are you using? The MERRA-2 dataset at the GES DISC has surface albedo data. We also have data from subsequent missions to TOMS -- OMI, OMPS, and TROPOMI, which may have data variables similar to what you are using with TOMS. And CERES data has other Earth radiation data ...
by GES DISC - jimacker
Fri Aug 14, 2020 4:13 pm America/New_York
Forum: Questions/Comments
Question: Hovmoller graph
Replies: 2

Re: Hovmoller graph

Hello, This is a temporary problem that the Giovanni development team is addressing, and it will be fixed shortly. As a work-around, you can plot a regular map of the same region that is used for the Hovmoller plot using the same legend (color palette), download the image, and use an image editing t...
by GES DISC - jimacker
Fri Aug 07, 2020 2:05 pm America/New_York
Forum: Questions/Comments
Question: Trouble Downloading MERRA2 on mac
Replies: 2

Re: Trouble Downloading MERRA2 on mac

Michael,

Hello - our staff members with Mac experience are taking a look at your question today. We will reply back if we have any solutions (and we'll also reply if we can't find a solution).
by GES DISC - jimacker
Fri Jun 26, 2020 7:14 pm America/New_York
Forum: Questions/Comments
Question: Negative values in SO2 column amount
Replies: 1

Re: Negative values in SO2 column amount

The negative SO2 values are artifacts of the retrieval process. They are usually associated with retrievals over highly reflective surfaces. The OMSO2.003 ReadMe has more detail than is contained in the OMSO2e ReadMe. https://aura.gesdisc.eosdis.nasa.gov/data/Aura_OMI_Level2/OMSO2.003/doc/README.OMS...
by GES DISC - jimacker
Tue Jun 02, 2020 4:42 pm America/New_York
Forum: Questions/Comments
Question: Data Subset for OMHCHO: OMI/Aura Formaldehyde (HCHO) Total Column 1-orbit L2 Swath 13x24 km V003
Replies: 2

Re: Data Subset for OMHCHO: OMI/Aura Formaldehyde (HCHO) Total Column 1-orbit L2 Swath 13x24 km V003

The variables 'PixelCornerLatitudes' and 'PixelCornerLongitudes' contain the coordinates of the corners of each pixel. The corner locations fall on either side of the pixel centers which are defined in the geolocation variables 'Longitude' and 'Latitude' which have dimensions nTimes and nXtrack . Ex...
by GES DISC - jimacker
Thu May 28, 2020 4:56 pm America/New_York
Forum: Questions/Comments
Question: Reanalysis data for 36 point locations
Replies: 1

Re: Reanalysis data for 36 point locations

The NASA Goddard Earth Sciences Data and Information Services Center (GES DISC), provides MERRA-2 data. You may download time series at your specific point locations through the GDS ( GrADS Data Server) service. Here is the How-to document that provides an example: https://disc.gsfc.nasa.gov/informa...
by GES DISC - jimacker
Tue May 26, 2020 2:32 pm America/New_York
Forum: Questions/Comments
Question: Announcement: ARSET Webinar on how NASA measures air pollution
Replies: 0

Announcement: ARSET Webinar on how NASA measures air pollution

The NASA Applied Remote Sensing Training Program is providing an introductory webinar on how NASA measures air pollution from space, on May 26 and 28, 2020. This webinar will include the use of data and tools from Earthdata Forum participating DAACs. There will be sessions conducted in English and S...
by GES DISC - jimacker
Fri May 22, 2020 4:02 pm America/New_York
Forum: Questions/Comments
Question: NLDAS coordinate convention questions
Replies: 1

Re: NLDAS coordinate convention questions

From our GES DISC staff member lead on GLDAS/NLDAS data: "Regarding to your question on the coordinate conventions, could you please take a look on the NLDAS FAQ https://ldas.gsfc.nasa.gov/faq/nldas (search for Q. What geographic coordinate system was used to generate the NLDAS grid?). As descr...