MERRA-2
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Announcements - Data Alerts, & Outages
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ECOSTRESS Weight Percent Silica Data Product Released
by LP DAAC - jwilson » Fri Sep 11, 2026 12:06 pm America/New_York
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EMIT Version 1 and Existing Version 2 Forward Processing Ended
by LP DAAC - jwilson » Fri Sep 11, 2026 11:50 am America/New_York
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NOAA-21 VIIRS Version 2 Downward Shortwave Radiation and Photosynthetically Active Radiation Data Products Released
by LP DAAC - jwilson » Fri Sep 11, 2026 11:44 am America/New_York
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NASA POWER's 5th Annual Global Community Summit
by POWER - ammerrit » Tue Jul 21, 2026 2:58 pm America/New_York
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FAQs: Accessing and Requesting Commercial Satellite Data
by Earthdata - jbrennan424 » Fri Jun 05, 2026 5:03 pm America/New_York
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Tips for posting good questions on the Earthdata Forum
by ASDC - rkey » Wed Jun 28, 2023 7:52 am America/New_York
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- Questions and Comments
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Last post by GES DISC - cbattisto
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Fri Sep 11, 2026 2:25 pm America/New_York
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- 1 Replies
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Last post by GES DISC - cbattisto
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Fri Sep 11, 2026 2:09 pm America/New_York
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Clarification on variables required to calculate total black carbon deposition from MERRA-2 and globally zero BCWT001 va
by pritijadhav » Mon Sep 07, 2026 2:53 am America/New_York - 1 Replies
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Last post by GES DISC - cbattisto
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Fri Sep 11, 2026 11:23 am America/New_York
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Trouble Accessing MERRA2_CNN_HAQAST_PM25 dataset with Earthaccess and EarthData Search, though files available at DAAC
by carl_malings » Tue Sep 08, 2026 9:36 am America/New_York - 1 Replies
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Last post by GES DISC - cbattisto
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Tue Sep 08, 2026 5:42 pm America/New_York
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What is the height of the MERRA-2 surface model layer?
by GES DISC - ingridgs » Thu Sep 03, 2026 2:39 pm America/New_York - 0 Replies
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Last post by GES DISC - ingridgs
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Thu Sep 03, 2026 2:39 pm America/New_York
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What is the difference between TCZPBL and PBLH in MERRA-2?
by GES DISC - ingridgs » Thu Sep 03, 2026 2:23 pm America/New_York - 0 Replies
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Last post by GES DISC - ingridgs
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Thu Sep 03, 2026 2:23 pm America/New_York
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What is the data Latency of MERRA-2?
by GES DISC - ingridgs » Thu Sep 03, 2026 2:20 pm America/New_York - 0 Replies
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Last post by GES DISC - ingridgs
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Thu Sep 03, 2026 2:20 pm America/New_York
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I need the land-sea mask for MERRA-2: Where can I find it?
by GES DISC - ingridgs » Thu Sep 03, 2026 2:18 pm America/New_York - 0 Replies
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Last post by GES DISC - ingridgs
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Thu Sep 03, 2026 2:18 pm America/New_York
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How to correctly use the ozone products in MERRA-2?
by GES DISC - ingridgs » Thu Sep 03, 2026 2:16 pm America/New_York - 0 Replies
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Last post by GES DISC - ingridgs
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Thu Sep 03, 2026 2:16 pm America/New_York
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How to convert the surface geopotential height to the surface elevation in MERRA-2?
by GES DISC - ingridgs » Tue Sep 01, 2026 2:16 pm America/New_York - 0 Replies
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Last post by GES DISC - ingridgs
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Tue Sep 01, 2026 2:16 pm America/New_York
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How thick is the top of the soil layer in MERRA-2's land model?
by GES DISC - ingridgs » Tue Sep 01, 2026 2:11 pm America/New_York - 0 Replies
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Last post by GES DISC - ingridgs
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Tue Sep 01, 2026 2:11 pm America/New_York
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Why are there so many missing data points at 1000mb in MERRA-2 over my region of interest?
by GES DISC - ingridgs » Tue Sep 01, 2026 2:07 pm America/New_York - 0 Replies
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Last post by GES DISC - ingridgs
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Tue Sep 01, 2026 2:07 pm America/New_York
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MERRA-2 or MERRA has multiple processing streams, what are the transition dates?
by GES DISC - ingridgs » Tue Sep 01, 2026 2:02 pm America/New_York - 0 Replies
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Last post by GES DISC - ingridgs
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Tue Sep 01, 2026 2:02 pm America/New_York
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Getting M2T1NXAER (MERRA-2 PM_{2.5}) via OPeNDAP
by kodiologist » Tue Aug 25, 2026 9:51 am America/New_York - 2 Replies
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Last post by GES DISC - alouise517
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Thu Aug 27, 2026 9:38 am America/New_York
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Last post by GES DISC - alouise517
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Fri Aug 21, 2026 2:35 pm America/New_York
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ARSET Training Announcement: Estimating Surface PM2.5 Using Satellite Data and Other Information Sources
by ARSET - sarah.cutshall » Thu Jun 18, 2026 4:22 pm America/New_York - 0 Replies
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Last post by ARSET - sarah.cutshall
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Thu Jun 18, 2026 4:22 pm America/New_York
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Last post by reichle
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Thu Apr 23, 2026 6:08 pm America/New_York
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- 7 Replies
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Last post by GES DISC - xpan2
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Wed Mar 25, 2026 8:25 pm America/New_York
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HELP_Unable to Access or Download MERRA-2 GMI Dataset tavg24_3d_adf_Nv
by aakashmodis » Mon Feb 23, 2026 12:32 am America/New_York - 2 Replies
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Last post by GES DISC - bomitch1
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Fri Feb 27, 2026 3:56 pm America/New_York
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MERRA2 aerosol data unable to download - who can do it for me?
by evas133 » Mon Feb 23, 2026 3:14 am America/New_York - 3 Replies
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Last post by GES DISC - cbattisto
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Thu Feb 26, 2026 4:03 pm America/New_York
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- 2 Replies
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Last post by suman0912
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Sat Feb 07, 2026 3:02 pm America/New_York
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- 6 Replies
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Last post by mbosilov
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Thu Jan 29, 2026 11:31 am America/New_York
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Do hourly surface mass concentration in MERRA-2 include all bins?
by imnbakerstreet » Tue Jan 13, 2026 7:58 am America/New_York - 4 Replies
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Last post by imnbakerstreet
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Tue Jan 13, 2026 8:40 pm America/New_York
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Last post by GES DISC - xpan2
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Mon Dec 08, 2025 10:50 am America/New_York
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MERRA-2 FAQ: What are the wavelength-dependent optical properties for aerosol species across various wavelengths?
by GES DISC - jimacker » Fri Dec 05, 2025 9:37 pm America/New_York - 0 Replies
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Last post by GES DISC - jimacker
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Fri Dec 05, 2025 9:37 pm America/New_York
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