Search Data.gov
Found 1484 dataset(s) matching "Accuracy Assessment".
-
The Katahdin Woods and Waters National Monument Seboeis Unit Vegetation Mapping Project was initiated in the fall of 2019 by a grant through the USGS Natural Resource Preservation Program to...
-
During summer 2019, botanists with the Maine Natural Areas Program collected data from 94 vegetation plots for plant community characterization. The sampling data were entered into the National...
-
During summer 2019, botanists with the Maine Natural Areas Program collected data from 94 vegetation plots for plant community characterization. The sampling data were entered into the National...
-
During summer 2019, botanists with the Maine Natural Areas Program collected data from 94 vegetation plots for plant community characterization. The sampling data were entered into the National...
-
Accuracy assessment is a standard protocol of National Land Cover Database (NLCD) mapping. Here we report agreement statistics between map and reference labels for NLCD 2011, which includes land...
-
The thematic accuracy of the EVER vegetation map was assessed using randomly selected accuracy assessment (AA) points/grid cells across all four mapping regions. These AA points were collected...
-
This data set includes an accuracy assessment of the repeatability of identifying heavy to severe tree canopy dieback in virtual plots located within the Ohia Dieback 83,603 hectare study area.
-
Release of NLCD 2006 provides the first land-cover change database for the Conterminous United States (CONUS) from Landsat Thematic Mapper data. Accuracy assessment of NLCD 2006 focused on four...
-
The land-cover thematic accuracy of NLCD 2001 was assessed from a probability-sample of 15,000 pixels. NLCD 2001 overall Anderson Level II and Level I accuracies were 78.7% and 85.3%,...
-
The horizontal accuracy assessment dataset consists of spatial coordinate and elevation values of “hard points” identified in each digital surface model (DSM) dataset and their spatial location...
-
In May 2021, the Grand Canyon Monitoring and Research Center (GCMRC) of the U.S. Geological Survey’s (USGS), Southwest Biological Science Center (SBSC) acquired airborne multispectral high...
-
In May 2021, the Grand Canyon Monitoring and Research Center (GCMRC) of the U.S. Geological Survey’s (USGS), Southwest Biological Science Center (SBSC) acquired airborne multispectral high...
-
This data layer identifies location and boundaries for 100 randomly located plots used to assess the accuracy of the Hakalau Forest Unit (HFU) map area for the vegetation map of the Hakalau Forest...
-
This data layer identifies location and boundaries for 100 randomly located plots used to assess the accuracy of a vegetation map of the Hakalau Forest National Wildlife Refuge Hakalau Forest Unit...
-
The U.S. Geological Survey (USGS), in partnership with several federal agencies, has now developed and released seven National Land Cover Database (NLCD) products: NLCD 1992, 2001, 2006, 2011,...
-
Using survey statistics, reference land cover data to compare to mapped land cover data for development of data quality and its evaluation. This dataset is associated with the following...
-
Inventory survey on Kirwin National Wildlife Refuge to develop a current baseline vegetation map. The completed vegetation map will aid in facilitating evaluation of management alternatives, aid...
-
These datasets consist of four, 1-meter spatial resolution digital surface models (DSMs) that were generated to orthorectify airborne multispectral imagery acquired in 2002, 2009, 2013, and 2021...
-
This shapefile denotes the location of 399 underwater photos and video transects taken between 3/18 - 3/28/2013 in Fish Bay and Coral Bay, St. John and the St. Thomas East End Reserve (STEER) in...
-
This shapefile denotes the location of 399 underwater videos and photos taken between 3/18 - 3/28/2013 in Fish Bay and Coral Bay, St. John and the St. Thomas East End Reserve (STEER) in the U.S....
