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Filtering by: Resource Type Map or Cartographic Material Subject Aerial photography

Southern Sierra Nevada Fractional Land Cover 2014 - 2018

Creator:

McGregor, Eric L., Green, Rebecca E., Purcell, Kathryn L., Tucker, Jody M., Matthews, Sean M., and Green, David S.

Abstract:

This dataset is designed to capture landscape changes brought on by a severe tree mortality episode in California's southern Sierra Nevada range, by mapping multiple land cover types in a continuous way at annual time-steps throughout the mortality event. By mapping multiple land cover types we can see not only...

Resource Type:

Map or Cartographic Material
Spatiotemporal variation in Oregon salt marsh expansion and contraction (GIS data)

Creator:

Peck, Erin K. and Wheatcroft, Robert A.

Abstract:

The dataset is a layer file created in ArcGIS Pro 2.2. The dataset includes digitized outlines of the seaward edges of five Oregon salt marshes (Nehalem, Netarts, Salmon, Alsea, and Coquille). These are roughly decadal from 1939 to 2018 and were hand-digitized using historical aerial photography (1939 to the late...

Resource Type:

Map or Cartographic Material
Land Cover Classification (5-meter) - Kings River Fisher Project 2014 - 2018

Creator:

McGregor, Eric L., Purcell, Kathryn L., Green, Rebecca E., Matthews, Sean M., Green, David S., and Tucker, Jody M.

Abstract:

These high resolution (5x5-meter pixel) categorical models of land cover were created by training random forest classification models on RapidEye (Planet Labs Inc.) satellite spectral data for each year and then predicting those models across the landscape. Training data were created by visually interpreting random plots over high resolution NAIP...

Resource Type:

Map or Cartographic Material