CARVE Modeled Gross Ecosystem CO2 Exchange and Respiration, Alaska, 2012-2014

Description

This data set provides 3-hourly estimates of gross ecosystem CO2 exchange (GEE) and respiration (autotrophic and heterotrophic) for the state of Alaska from 2012 to 2014. The data were generated using the Polar Vegetation Photosynthesis and Respiration Model (PolarVPRM) and are provided at ~ 1 km2 [1/4-degree (longitude) by 1/6-degree (latitude)] pixel resolution. The PolarVPRM produces high-frequency estimates of GEE of CO2 for North American biomes from remotely-sensed data sets. For Alaska, the model used meteorological inputs from the North American regional re-analysis (NARR) and inputs of fractional snow cover and land surface water index (LSWI) from the Moderate Resolution Imaging Spectroradiometer (MODIS). Land surface greenness was factored into the model from three sources: 1) Enhanced Vegetation Index (EVI) from MODIS; 2) Solar Induced Florescence (SIF) from the Orbiting Carbon Observatory 2 (OCO-2); and 3) SIF from the Global Ozone Monitoring Experiment 2 (GOME-2). Three independent estimates of GEE are included in the data set, one for each source of greenness observations.

Resources

Name Format Description Link
21 Search results for publications that cite this dataset by its DOI. https://scholar.google.com/scholar?q=10.3334%2FORNLDAAC%2F1314
21 This link allows direct data access via Earthdata login https://daac.ornl.gov/carve/Polar-VPRM_Alaskan-NEE/
21 Data set Landing Page DOI URL https://doi.org/10.3334/ORNLDAAC/1314
33 Data Set Documentation https://data.ornldaac.earthdata.nasa.gov/public/carve/Polar-VPRM_Alaskan-NEE/comp/Polar-VPRM_Alaskan-NEE.pdf
34 Browse Image https://daac.ornl.gov/CARVE/guides/GEE_MODIS_EVI2.png
21 CARVE campaign site https://carve.ornl.gov
21 ORNL DAAC Data Set Documentation https://daac.ornl.gov/CARVE/guides/Polar-VPRM_Alaskan-NEE.html

Tags

  • biosphere
  • national-geospatial-data-asset
  • ngda
  • vegetation
  • ecological-dynamics
  • earth-science

Topics

Categories