R-Factor for Alaska

Description

The rainfall-runoff erosivity factor (R-Factor) quantifies the effects of raindrop impacts and reflects the amount and rate of runoff associated with the rain. The R-factor is one of the parameters used by the Revised Unified Soil Loss Equation (RUSLE) to estimate annual rates of erosion. This product is a raster representation of R-Factor derived from isoerodent maps published in the Runoff Estimates for Small Rural Watersheds and Development of a Sound Design method. Volume II. (Fletcher et al., 1977). Lines connecting points of equal rainfall erosivity are called isoerodents. The isoerodents plotted on a map of Alaska were digitized, then values between these lines were obtained by linear interpolation. The final R-Factor data are in raster GeoTiff format at 800 meter resolution in Albers Conic Equal Area,WGS84, WGS84.

Resources

Name Format Description Link
33 NOAA Data Management Plan for this record on InPort. https://www.fisheries.noaa.gov/inportserve/waf/noaa/nos/ocm/dmp/pdf/48223.pdf
57 R-Factor-AK.zip https://coast.noaa.gov/data/digitalcoast/zip/R-Factor-AK.zip
0 View the complete metadata record on InPort for more information about this dataset. https://www.fisheries.noaa.gov/inport/item/48223
21 Online Resource https://coast.noaa.gov/digitalcoast/tools/qnspect.html
0 NOAA Office for Coastal Management Home Page https://coast.noaa.gov
0 NOAA Office for Coastal Management Home Page https://coast.noaa.gov
0 Global Change Master Directory (GCMD). 2024. GCMD Keywords, Version 19. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords

Tags

  • terrestrial hydrosphere
  • alaska
  • surface water processes/measurements
  • united states of america
  • office of coastal management
  • land surface
  • national ocean service
  • r-factor
  • soils
  • coastal zone
  • agriculture
  • rusle2
  • environmental monitoring
  • continent
  • rusle
  • noaa
  • revised universal soil loss equation
  • soil erosion
  • opennspect
  • north america
  • doc/noaa/nos/ocm
  • u.s. department of commerce
  • erosion
  • earth science
  • erosion/sedimentation
  • runoff
  • rainfall-runoff erosivity
  • surface water

Topics

Categories