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Bias-Corrected IMERG Monthly Precipitation for Alaska & Canada, 2000-2020

Submitted by ORNL DAAC Staff on 2023-02-14
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Two examples of uncorrected and corrected months Canada-Alaska domain. The correction is applied to pixels > 500 m, so the correction is seen primarily in mountainous areas. Figure from Lober et al. (in review).

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Bias-corrected IMERG monthly precipitation data for Alaska & Canada from June 2000 - December 2020.
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ICESat-2 Land and Vegetation Height (ATL08) Data Available for Subsetting & Visualization

Submitted by ORNL DAAC Staff on 2023-02-06
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ATL08 data visualized along-track (100m step size), showing the estimated ground elevation, estimated canopy top height, and the individual photon return heights with their classifications.  Image credit: Amy Neuenschwander, Center for Space Research, University of Texas.

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ATL08 data is available to order via ORNL DAAC's MODIS/VIIRS Global Subsets tool.

Ecogeomorphic Cell Products across the MRD, LA, USA, 2021

Submitted by ORNL DAAC Staff on 2023-02-06
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RGB composite image of the Atchafalaya and Terrebonne basins (R=Bathymetry, G=NIR of 1st quarter, B=NIR of 3rd quarter) highlighting the various ecological and geomorphological features of the landscape.

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This product delineates the Mississippi River Delta (MRD) landscape into distinct small contiguous areas of land with similar ecological and geomorphological characteristics.

ABoVE: Hyperspectral Imagery AVIRIS-NG, 2017-2019 V2

Submitted by ORNL DAAC Staff on 2023-02-06
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A portion of the quicklook image from flight line ang20170714t212855 over Barrow, Alaska on July 14, 2017. Two sites (AB_B10_L001_FL175_PipelineLake and AB_B10_L003_FL175_PipelineLake) of interest to the ABoVE project are visible. Flight altitude was approximately 5,400 m with very thin cirrus cloud cover.

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Level 1 radiance and Level 2 surface reflectance measured by the AVIRIS-NG instrument during flights over the ABoVE domain from June to August in 2017 and July to August in 2018 and 2019.
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Aboveground Vegetation Structure for Herbaceous Wetlands across MRD

Submitted by ORNL DAAC Staff on 2022-09-29
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Aboveground vegetation sorted by species into biomass and necromass components.

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Mean stem diameter, mean height, dominant species, hydrogeomorphic zone, and stem density for vegetation in herbaceous wetlands collected in southeastern coastal Louisiana.

Post-Fire and Unburned Vegetation Community & Field Data, NWT, Canada, 2017

Submitted by ORNL DAAC Staff on 2022-09-29
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Researchers collecting data on vegetation and biophysical characteristics at a study site in Northwest Territories of Canada that was burned by wildfires in 2014-2015.

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Vegetation community characteristics, soil moisture, and biophysical data collected in 2017 from 11 study sites in the ABoVE Study area.
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