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05: Impervious areas within 15 watersheds in Gwinnett County, Georgia from 2000 to 2020

Metadata Updated: October 29, 2023

This dataset contains the percentages of impervious areas within the drainage areas of 15 watersheds in Gwinnett County, Georgia from 2000 to 2020. The dataset includes data from 16 years, 2000, 2005, 2006, and annually from 2008 to 2020. The dataset was derived from impervious area coverages provided from the Gwinnett County Department of Public Utilities. These coverages were determined from 1:1,200-scale aerial photography with a 1-meter square grid size created by digitizing polygons of impervious surfaces. Watershed imperviousness was determined for various land cover types that were provided with the impervious area coverages. These included transportation and buildings land cover types for all impervious area scenes and additionally for recreation, structures, and utilities land cover types for scenes from 2008 through 2020. Impervious areas within a 200-ft stream buffer from National Hydrography Dataset flowlines were also determined for 2019.

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

Downloads & Resources

Dates

Metadata Created Date June 1, 2023
Metadata Updated Date October 29, 2023

Metadata Source

Harvested from DOI EDI

Additional Metadata

Resource Type Dataset
Metadata Created Date June 1, 2023
Metadata Updated Date October 29, 2023
Publisher U.S. Geological Survey
Maintainer
@Id http://datainventory.doi.gov/id/dataset/e1d0ff6b7d222e27c68fc22778ba2e27
Identifier USGS:63503d9ed34e47431c15c5a3
Data Last Modified 20230404
Category geospatial
Public Access Level public
Bureau Code 010:12
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Metadata Catalog ID https://datainventory.doi.gov/data.json
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Harvest Object Id 087a2438-c36b-4eba-90b9-a31afcd180aa
Harvest Source Id 52bfcc16-6e15-478f-809a-b1bc76f1aeda
Harvest Source Title DOI EDI
Metadata Type geospatial
Old Spatial -84.2721,33.7676,-83.8468,34.1514
Publisher Hierarchy White House > U.S. Department of the Interior > U.S. Geological Survey
Source Datajson Identifier True
Source Hash fa2584b10cbf1c8b9fa290907eebf7ce5c0db71d840af39ef52f58c65bd8b8ab
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -84.2721, 33.7676, -84.2721, 34.1514, -83.8468, 34.1514, -83.8468, 33.7676, -84.2721, 33.7676}

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