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ECOSTRESS Weight Percent Silica Data Product Released

Last post by LP DAAC - jwilson « Fri Sep 11, 2026 12:06 pm America/New_YorkGo to last post

by LP DAAC - jwilson » Fri Sep 11, 2026 12:06 pm America/New_York

Announcements

ECOSTRESS

Earthdata Search

LP DAAC

Land Surface
EMIT Version 1 and Existing Version 2 Forward Processing Ended

Last post by LP DAAC - jwilson « Fri Sep 11, 2026 11:50 am America/New_YorkGo to last post

by LP DAAC - jwilson » Fri Sep 11, 2026 11:50 am America/New_York

Announcements

EMIT

LP DAAC

Land Surface
NOAA-21 VIIRS Version 2 Downward Shortwave Radiation and Photosynthetically Active Radiation Data Products Released

Last post by LP DAAC - jwilson « Fri Sep 11, 2026 11:44 am America/New_YorkGo to last post

by LP DAAC - jwilson » Fri Sep 11, 2026 11:44 am America/New_York

Announcements

Earthdata Search

LP DAAC

Land Surface

NOAA-21/JPSS-2

VIIRS
Permanent NISAR instrument data gap

Last post by ASF - bhauer « Fri Aug 28, 2026 2:24 pm America/New_YorkGo to last post

by ASF - bhauer » Fri Aug 28, 2026 2:24 pm America/New_York

ASF

Data Access

Data Download

Data Processing

Data Search

Earthdata Search

NISAR

Vertex Data Search

Worldview/GIBS
NASA POWER's 5th Annual Global Community Summit

Last post by POWER - ammerrit « Tue Jul 21, 2026 2:58 pm America/New_YorkGo to last post

by POWER - ammerrit » Tue Jul 21, 2026 2:58 pm America/New_York

Announcements

Calibrated and Solar Radiance

Data Access

Data Download

Data Visualization

Earth Action Program

Environmental Impact

POWER - SSE

Sun Earth Interactions
FAQs: Accessing and Requesting Commercial Satellite Data

Last post by Earthdata - jbrennan424 « Fri Jun 05, 2026 5:03 pm America/New_YorkGo to last post

by Earthdata - jbrennan424 » Fri Jun 05, 2026 5:03 pm America/New_York
Tips for posting good questions on the Earthdata Forum

Last post by ASDC - rkey « Wed Jun 28, 2023 7:52 am America/New_YorkGo to last post

by ASDC - rkey » Wed Jun 28, 2023 7:52 am America/New_York

Announcements

Post New Question

394 questions

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Questions and Comments

Replies

Last post

FLH and nFLH algorithm

Last post by gnwiii « Thu Jun 06, 2019 6:40 am America/New_YorkGo to last post
Replies: 1
by pvnagamani » Thu Jun 06, 2019 3:20 am America/New_York

Algorithms

MODIS

OBDAAC

Ocean

1 Replies

Last post by gnwiii Go to last post
Thu Jun 06, 2019 6:40 am America/New_York
Questions about Algorithms for MODIS chlorophyll products

Last post by OB SeaDAS - knowles « Wed May 22, 2019 9:11 am America/New_YorkGo to last post
Replies: 2
by lc_950.316 » Thu May 09, 2019 1:58 am America/New_York

Algorithms

MODIS

OBDAAC

Ocean

2 Replies

Last post by OB SeaDAS - knowles Go to last post
Wed May 22, 2019 9:11 am America/New_York
l2mapgen is not exporting pixel values correctly.

Last post by jvaldezch « Tue May 07, 2019 2:16 pm America/New_YorkGo to last post
Replies: 2
by jvaldezch » Tue May 07, 2019 1:31 pm America/New_York

Algorithms

Data Processing

OBDAAC

Ocean

SeaDAS

2 Replies

Last post by jvaldezch Go to last post
Tue May 07, 2019 2:16 pm America/New_York
Create a composite image from 5 data

Last post by antu « Sun May 05, 2019 3:11 pm America/New_YorkGo to last post
Replies: 9
by antu » Thu Apr 11, 2019 1:19 pm America/New_York

Algorithms

OBDAAC

Ocean

SeaDAS

9 Replies

Last post by antu Go to last post
Sun May 05, 2019 3:11 pm America/New_York
MODIS Aqua POC 2002-2014 invalid values

Last post by seanbailey « Thu May 02, 2019 7:08 pm America/New_YorkGo to last post
Replies: 9
by jason.roberts » Tue Nov 21, 2017 3:29 pm America/New_York

Algorithms

Aqua

Data Processing

MODIS

OBDAAC

Ocean

9 Replies

Last post by seanbailey Go to last post
Thu May 02, 2019 7:08 pm America/New_York
Which l2gen routine computes the total backscatter coefficient (b) from IOP values?

Last post by blesht « Thu Apr 25, 2019 11:16 am America/New_YorkGo to last post
Replies: 2
by blesht » Wed Apr 24, 2019 8:58 pm America/New_York

Algorithms

OBDAAC

Ocean

SeaDAS

2 Replies

Last post by blesht Go to last post
Thu Apr 25, 2019 11:16 am America/New_York
kd mueller and Lee et al algorithms

Last post by namuyanja « Sat Apr 20, 2019 9:12 am America/New_YorkGo to last post
Replies: 2
by namuyanja » Fri Apr 19, 2019 5:42 am America/New_York

Algorithms

OBDAAC

Ocean

VIIRS

2 Replies

Last post by namuyanja Go to last post
Sat Apr 20, 2019 9:12 am America/New_York
SeaWiFS. Estimate average chlorophyll

Last post by reghe1984 « Wed Apr 17, 2019 2:29 am America/New_YorkGo to last post
Replies: 9
by st10873 » Mon Apr 01, 2019 10:14 am America/New_York

Algorithms

OBDAAC

Ocean

SeaWiFS

9 Replies

Last post by reghe1984 Go to last post
Wed Apr 17, 2019 2:29 am America/New_York
Sentinel 3 OLCI processing

Last post by OB SeaDAS - dshea « Thu Apr 11, 2019 12:00 pm America/New_YorkGo to last post
Replies: 1
by lipeng » Thu Apr 11, 2019 10:20 am America/New_York

Algorithms

Data Processing

OBDAAC

OLCI

Ocean

SeaDAS

1 Replies

Last post by OB SeaDAS - dshea Go to last post
Thu Apr 11, 2019 12:00 pm America/New_York
how to extract Modis aqua L2 sst

Last post by seanbailey « Thu Apr 11, 2019 8:32 am America/New_YorkGo to last post
Replies: 12
by namuyanja » Mon Mar 11, 2019 12:52 pm America/New_York

Algorithms

OBDAAC

Ocean

12 Replies

Last post by seanbailey Go to last post
Thu Apr 11, 2019 8:32 am America/New_York
Level2 Products about Rrs

Last post by seanbailey « Thu Apr 11, 2019 8:29 am America/New_YorkGo to last post
Replies: 6
by hxczjh123 » Wed Apr 04, 2018 5:46 am America/New_York

Algorithms

GOCI

OBDAAC

Ocean

6 Replies

Last post by seanbailey Go to last post
Thu Apr 11, 2019 8:29 am America/New_York
Sea Surface Salinity

Last post by seanbailey « Fri Mar 29, 2019 9:20 am America/New_YorkGo to last post
Replies: 1
by bbroman93 » Thu Mar 28, 2019 10:43 pm America/New_York

Algorithms

Aqua

OBDAAC

Ocean

SeaDAS

1 Replies

Last post by seanbailey Go to last post
Fri Mar 29, 2019 9:20 am America/New_York
A20022132002243.MON.chlor_a.map.nc

Last post by OB SeaDAS - dshea « Thu Mar 28, 2019 8:58 am America/New_YorkGo to last post
Replies: 1
by saiavaihola » Wed Mar 27, 2019 7:56 pm America/New_York

Algorithms

OBDAAC

Ocean

1 Replies

Last post by OB SeaDAS - dshea Go to last post
Thu Mar 28, 2019 8:58 am America/New_York
Are A(?) and B(?) of aphstar fuction changing with different Chla or areas in GIOP-DC?

Last post by houghtah « Wed Mar 27, 2019 8:39 am America/New_YorkGo to last post
Replies: 1
by danieldeng » Mon Mar 25, 2019 11:17 am America/New_York

Algorithms

OBDAAC

Ocean

1 Replies

Last post by houghtah Go to last post
Wed Mar 27, 2019 8:39 am America/New_York
Which algorithm?

Last post by seanbailey « Thu Feb 28, 2019 10:20 am America/New_YorkGo to last post
Replies: 1
by bbroman93 » Wed Feb 27, 2019 9:27 pm America/New_York

Algorithms

OBDAAC

Ocean

1 Replies

Last post by seanbailey Go to last post
Thu Feb 28, 2019 10:20 am America/New_York
some questions about how to extract MODIS L3 Rrs

Last post by lc_950.316 « Wed Feb 27, 2019 8:13 pm America/New_YorkGo to last post
Replies: 2
by lc_950.316 » Tue Feb 26, 2019 8:59 pm America/New_York

Algorithms

MODIS

OBDAAC

Ocean

2 Replies

Last post by lc_950.316 Go to last post
Wed Feb 27, 2019 8:13 pm America/New_York
VIIRS-JPSS1 assessment.

Last post by seanbailey « Tue Feb 26, 2019 10:30 am America/New_YorkGo to last post
Replies: 3
by pgarnesson » Mon Feb 25, 2019 6:03 am America/New_York

Algorithms

OBDAAC

Ocean

VIIRS

3 Replies

Last post by seanbailey Go to last post
Tue Feb 26, 2019 10:30 am America/New_York
VIIRS-SNPP degradation since Dec 2017

Last post by seanbailey « Mon Feb 25, 2019 10:33 am America/New_YorkGo to last post
Replies: 1
by pgarnesson » Mon Feb 25, 2019 5:51 am America/New_York

Algorithms

Data Processing

MODIS

OBDAAC

Ocean

VIIRS

1 Replies

Last post by seanbailey Go to last post
Mon Feb 25, 2019 10:33 am America/New_York
azimuth angles convention

Last post by seanbailey « Tue Feb 19, 2019 8:30 am America/New_YorkGo to last post
Replies: 1
by davidantoine » Tue Feb 19, 2019 6:37 am America/New_York

Algorithms

OBDAAC

Ocean

SeaDAS

1 Replies

Last post by seanbailey Go to last post
Tue Feb 19, 2019 8:30 am America/New_York
The equation of SS aerosol reflectance to MS aerosol reflectance

Last post by liugers11 « Wed Feb 13, 2019 7:19 am America/New_YorkGo to last post
Replies: 2
by liugers11 » Sat Feb 02, 2019 11:49 pm America/New_York

Algorithms

OBDAAC

OLCI

Ocean

2 Replies

Last post by liugers11 Go to last post
Wed Feb 13, 2019 7:19 am America/New_York
MODIS L1B RED/NIR band saturation

Last post by seanbailey « Mon Jan 28, 2019 2:36 pm America/New_YorkGo to last post
Replies: 1
by eccc_modis » Fri Jan 25, 2019 9:51 am America/New_York

Algorithms

Data Processing

MODIS

OBDAAC

Ocean

1 Replies

Last post by seanbailey Go to last post
Mon Jan 28, 2019 2:36 pm America/New_York
Rayleigh correction

Last post by seanbailey « Thu Dec 20, 2018 12:00 pm America/New_YorkGo to last post
Replies: 8
by osrani » Tue Dec 18, 2018 10:31 pm America/New_York

Algorithms

Data Processing

OBDAAC

Ocean

8 Replies

Last post by seanbailey Go to last post
Thu Dec 20, 2018 12:00 pm America/New_York
Atmospheric correction

Last post by seanbailey « Thu Dec 06, 2018 9:53 am America/New_YorkGo to last post
Replies: 5
by osrani » Tue Dec 04, 2018 1:25 am America/New_York

Algorithms

OBDAAC

Ocean

5 Replies

Last post by seanbailey Go to last post
Thu Dec 06, 2018 9:53 am America/New_York
Reproducing MODISA/VIIRS chl_oc3 product

Last post by seanbailey « Wed Nov 14, 2018 11:49 am America/New_YorkGo to last post
Replies: 1
by schckngs » Tue Nov 06, 2018 12:19 am America/New_York

Algorithms

MODIS

OBDAAC

Ocean

SeaDAS

VIIRS

1 Replies

Last post by seanbailey Go to last post
Wed Nov 14, 2018 11:49 am America/New_York
Digital Elevation Map (DEM) data set location

Last post by amaliadetoni « Tue Nov 13, 2018 7:02 am America/New_YorkGo to last post
Replies: 6
by oo_processing » Fri May 11, 2018 11:43 am America/New_York

Algorithms

OBDAAC

Ocean

VIIRS

6 Replies

Last post by amaliadetoni Go to last post
Tue Nov 13, 2018 7:02 am America/New_York

394 questions

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