Skip to main content
Advanced Search

Filters: Types: Map Service (X) > partyWithName: Gulf Coast Prairie Landscape Conservation Cooperative (X) > partyWithName: David Diamond (X) > Types: Downloadable (X)

2 results (66ms)   

View Results as: JSON ATOM CSV
thumbnail
Previous vegetation mapping project has areas along the boundary between Texas and Oklahoma along the Red River where data was missing (gaps) or where overlaps contained contradictory mapped types (overlaps). These areas were corrected with this product. Gaps were corrected using new image objects attributed with landcover from the previous products and new soils data available from NRCS (gSSURGO). Overlaps were corrected by selecting one of the mapped types identified by previous products based on the state boundary provided by the U. S. Census Bureau (500k).
thumbnail
Satellite imagery from the Landsat 5 Thematic Mapper sensor and the Landsat 8 Operational Land Imagery were used to investigate changes in overall evergreen vegetation occurring between the 1986-1989 and 2013-2014 time periods. Two path/rows of imagery, from the spring, summer, and fall seasons for each time period were mosaicked together. The imagery was then subset to remove the presence of clouds from the datasets. Images were further subset using the impervious data from the 2011 version of the National Land Cover Database. Unsupervised classification was used to spate each time period imageinto two classes, evergreen vegetation and everything else. Each subsequent time period was subjected to successive unsupervised...


    map background search result map search result map Evergreen Change in Central Oklahoma from 1986 - 2014 Oklahoma and Texas Landcover Edge Match Evergreen Change in Central Oklahoma from 1986 - 2014 Oklahoma and Texas Landcover Edge Match