Found 17 datasets matching filters.
-
NOTE: This file includes data for all 5 boroughs and has a size of 4.60 GB. Individual borough files are available for download from the metadata attachments section. Citywide Geographic...
Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: May 05, 2026 at 10:30 PM -
This data set represents the mean percent impervious surface from the Imperviousness Layer of the National Land Cover Dataset 2001 (LaMotte and Wieczorek, 2010), compiled for every catchment of...
Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: May 05, 2026 at 09:24 PM -
This product consists of time-series calculations of anthropogenic characteristics derived for 16 data themes for multiple scales covering the conterminous United States. The characteristics are...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 10:16 PM -
Anthropogenic impervious surfaces affect hydrology, water quality, and ecological health and are widely studied. Previous studies have been limited, however, by a lack of consistent...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: May 05, 2026 at 07:30 PM -
Parking lots may be a significant source of pollution. Oil, sediments, and heavy metals may accumulate on their surface, then be flushed into rivers, streams, and lakes via rainfall. At present no...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 09:18 PM -
This tabular data set represents the mean percent impervious surface from the Imperviousness Layer of the National Land Cover Dataset 2001, (LaMotte and Wieczorek, 2010), compiled for every...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 09:24 PM -
This tabular data set represents NLCD 2006 percent imperviousness compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous United States; 1)...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 08:33 PM -
This 30-meter resolution data set represents the imperviousness layer for the conterminous United States for the 2001 time period. The data have been arranged into four tiles to facilitate...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 07:52 PM -
This 30-meter resolution data set represents the imperviousness layer for the conterminous United States for the 2001 time period. The data have been arranged into four tiles to facilitate...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 09:00 PM -
This tabular data set represents NLCD 2011 percent imperviousness compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous United States; 1)...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 08:02 PM -
This tabular data set represents NLCD 2001 percent imperviousness compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous United States; 1)...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 08:29 PM -
This 30-meter resolution data set represents the imperviousness layer for the conterminous United States for the 2001 time period. The data have been arranged into four tiles to facilitate timely...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 10:00 PM -
This 30-meter resolution data set represents the imperviousness layer for the conterminous United States for the 2001 time period. The data have been arranged into four tiles to facilitate timely...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 08:55 PM -
This product consists of 29 datasets of tabular data and associated metadata for watershed characteristics of 1,530 study sites of the Surface Water Trends (SWT) project of the U.S. Geological...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 07:38 PM -
This product consists of two sets of imperviousness calculations for 3,535 urban areas and urban clusters in the conterminous United States. Imperviousness is given as the percent of the area...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 09:16 PM -
This product is a series of ten datasets containing tabular data from historical time series sources for the 9,067 conterminous United States sites in the U.S. Geological Survey (USGS) Geospatial...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 08:33 PM -
The downloadable ZIP file contains a georeferenced TIF. The National Land Cover Database 2001 imperviousness layer was produced through a cooperative project conducted by the Multi-Resolution...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 02, 2025 at 10:52 PM