Search found 36 matches

by ORNL - mthornton
Fri Mar 08, 2024 12:33 pm America/New_York
Forum: Questions/Comments
Question: Problematic data of Global MODIS and FLUXNET-derived Daily Gross Primary Production, V2
Replies: 4

Re: Problematic data of Global MODIS and FLUXNET-derived Daily Gross Primary Production, V2

Thank you for your post. Our subject matter expert is looking into this and will provide information as soon as possible.
by ORNL - mthornton
Wed Feb 07, 2024 3:26 pm America/New_York
Forum: Questions/Comments
Question: NOAA Omics working group GCMD keyword request
Replies: 7

Re: NOAA Omics working group GCMD keyword request

GCMD - tstevens The ORNL DAAC has interest in these omics GCMD keyword requests as it relates to the BioSCape Project. The NASA supported BioSCape Project has environmental DNA samples that will be a collection under the BioSCape Project. The following terms in particular are relevant, but we antic...
by ORNL - mthornton
Fri Nov 10, 2023 12:27 pm America/New_York
Forum: Questions/Comments
Question: ORNL DAAC Announces GEDI L4A File Updates
Replies: 0

ORNL DAAC Announces GEDI L4A File Updates

The ORNL DAAC announces an updated to GEDI L4A Data. Due to a processing issue, 8 granules were affected from the orbits 9899 and 17591 of the GEDI L4A Footprint Level Aboveground Biomass Density dataset. The ORNL DAAC has released an update that replaces the affected granules with revised files an...
by ORNL - mthornton
Fri Nov 10, 2023 12:27 pm America/New_York
Forum: Questions/Comments
Question: ORNL DAAC Announces GEDI L4A File Updates
Replies: 0

ORNL DAAC Announces GEDI L4A File Updates

The ORNL DAAC announces an updated to GEDI L4A Data. Due to a processing issue, 8 granules were affected from the orbits 9899 and 17591 of the GEDI L4A Footprint Level Aboveground Biomass Density dataset. The ORNL DAAC has released an update that replaces the affected granules with revised files an...
by ORNL - mthornton
Tue Oct 31, 2023 6:23 am America/New_York
Forum: Questions/Comments
Question: UAVSAR Data Consultation
Replies: 4

Re: UAVSAR Data Consultation

Hello,
Additional AfriSAR Campaign data and related information can be found at the ORNL DAAC.
by ORNL - mthornton
Mon Sep 11, 2023 4:15 pm America/New_York
Forum: Questions/Comments
Question: New GEDI L4A Data Released through ORNL DAAC
Replies: 0

New GEDI L4A Data Released through ORNL DAAC

The Global Ecosystem Dynamics Investigation (GEDI) Level 4A Footprint Level Aboveground Biomass Density data are now available for 2022-12-22 through 2023-03-16 (GEDI mission weeks 211 through 223) through the ORNL DAAC . The GEDI L4A data provides predictions of the aboveground biomass density (AGB...
by ORNL - mthornton
Mon Aug 28, 2023 4:45 pm America/New_York
Forum: Questions/Comments
Question: New GEDI L3 Gridded Land Surface Metrics Now Available
Replies: 0

New GEDI L3 Gridded Land Surface Metrics Now Available

The ORNL DAAC has released new GEDI Level 3 Gridded Land Surface Metrics for April, 2019 to March, 2023 (GEDI mission weeks 19 through 223). The GEDI L3 dataset provides gridded mean canopy height, standard deviation of canopy height, mean ground elevation, standard deviation of ground elevation, an...
by ORNL - mthornton
Tue Aug 01, 2023 4:43 pm America/New_York
Forum: Questions/Comments
Question: IMAGE CLASSIFICATIO
Replies: 1

Re: IMAGE CLASSIFICATIO

Hello,
There are many techniques for assessing land cover change. You might start with this tutorial for a general understanding: https://appliedsciences.nasa.gov/join-mission/training/english/arset-land-cover-classification-satellite-imagery
Best wishes,
Michele
by ORNL - mthornton
Wed Jul 19, 2023 3:39 pm America/New_York
Forum: Questions/Comments
Question: GEDI Data Formats
Replies: 4

Re: GEDI Data Formats

Hi @elizabeth.joyner ,
In addition to LP DAACs tutorials, the ORNL DAAC has a set of tutorials you might find useful.
You can find those here: Tutorials on GEDI Science Data Products
Lots of tutorials! Hope it's not overwhelming. LP or ORNL are happy to address any questions.
by ORNL - mthornton
Thu Jun 01, 2023 8:29 am America/New_York
Forum: Questions/Comments
Question: Wind speed and direction for terrestrial ecology
Replies: 4

Re: Wind speed and direction for terrestrial ecology

Hello ChloƩ,
NOAA's NCEP North American Regional Reanalysis (NARR) is a dataset that often fills the need for gridded wind estimates. Feel free to post here with further questions or if the NARR data does not fit your needs.
Best wishes,
Michele