High Resolution Land Cover-Specific Solar-Induced Fluorescence, Midwestern USA, 2018

Description

This dataset provides estimated solar-induced chlorophyll fluorescence (SIF) of specific vegetation types and total SIF under clear-sky and real/cloudy conditions at a resolution of 4 km for the Midwest USA. The estimates are 8-day averaged daily means over the 2018 crop growing season for the time period 2018-05-01 to 2018-09-29. SIF of a specific vegetation type (i.e., corn, soybean, grass/pasture, forest) was expressed as the product of photosynthetically active radiation (PAR), the fraction of photosynthetically active radiation absorbed by the canopy (fPAR), and canopy SIF yield (SIFyield) for each vegetation type. Uncertainty of each variable was also calculated and is provided. These components of the SIF model were derived using a TROPOspheric Monitoring Instrument (TROPOMI) dataset, the USDA National Agricultural Statistics Service Cropland Data Layer, and the MODIS MCD15A2H 8-day 500 m fPAR product. These data could be used to improve estimates of vegetation productivity and vegetation stress.

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%2F1813
21 This link allows direct data access via Earthdata login https://daac.ornl.gov/cms/SIF_PAR_fPAR_US_Midwest_2018/
21 ORNL DAAC Data Set Documentation https://daac.ornl.gov/CMS/guides/SIF_PAR_fPAR_US_Midwest_2018.html
21 Data set Landing Page DOI URL https://doi.org/10.3334/ORNLDAAC/1813
21 USE SERVICE API https://opendap.earthdata.nasa.gov/
21 The THREDDS location for this Collection. https://thredds.daac.ornl.gov/thredds/catalog/ornldaac/1813/catalog.html
33 High Resolution Land Cover-Specific Solar-Induced Fluorescence, Midwestern USA, 2018: SIF_PAR_fPAR_US_Midwest_2018.pdf https://data.ornldaac.earthdata.nasa.gov/public/cms/SIF_PAR_fPAR_US_Midwest_2018/comp/SIF_PAR_fPAR_US_Midwest_2018.pdf
34 Examples of spatial patterns of reconstructed SIF at 4 km resolution. Only pixels with a fraction of the specific vegetation type larger than 0.1 are shown. For Total SIF, only pixels with a fraction of corn, soybean, grass/pasture, and forest larger than 0.8 are displayed. Source: Wang et al., 2020. https://daac.ornl.gov/CMS/guides/SIF_PAR_fPAR_US_Midwest_2018_Fig1.png

Tags

  • land-use-land-cover
  • land-surface
  • biosphere
  • national-geospatial-data-asset
  • ngda
  • vegetation
  • ecological-dynamics
  • earth-science

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Categories