Global Change Master Directory (GCMD)

Data Sets

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Ancillary Descriptions

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USGS Land Cover Trends Project

Entry ID: USGS_LCTP

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Summary

Abstract: The focus of the Land Cover Trends project is to document within a geographic
framework (ecoregions), the rates, causes, and consequences of land use and
land cover change for the conterminous United States for the 1972-2000 period.
The Environmental Protection Agency collaborates with the USGS in this
research. A scientific understanding of the rates of change, the driving forces
of change, and ...

Description: The USGS National Map Viewer which provide easy access to geospatial
information. The viewer is a Web-enabled portal to all of the geospatial
information contained in The National Map. This portal not only supports
on-line access to the geospatial information, but also allows the download of
digital data and creation of cartographic products.

Geographic Coverage

(Click for Interactive Map)

Spatial coordinates

N: 76.63

S: 13.71

E: -61.48

W: -177.1

Data Set Citation

Dataset Originator/Creator: USGS, EPA

Dataset Title: USGS Land Cover Trends Project

Dataset Publisher: USGS

Online Resource: http://erg.usgs.gov/erglct/index.html

Temporal Coverage

Start Date: 1972-01-01

Stop Date: 2000-12-31

Location Keywords

CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA

CONTINENT > NORTH AMERICA > CENTRAL AMERICA

CONTINENT > NORTH AMERICA

Science Keywords

BIOSPHERE > TERRESTRIAL ECOSYSTEMS > AGRICULTURAL LANDS

BIOSPHERE > TERRESTRIAL ECOSYSTEMS > DESERTS

ISO Topic Category

FARMING

BIOTA

Platform

LANDSAT

Instrument

MSS > Multispectral Scanner

TM > Thematic Mapper

Project

LCTP > LAND COVER TRENDS PROJECT

Use Constraints There is no guarantee of warranty concerning the accuracy of these data. Users should be aware that temporal changes may have occurred since the data was collected and that some parts of these data may no longer represent actual surface conditions. Users should not use these data for critical applications without a full awareness of their limitations. Acknowledgement of the originating agencies would be appreciated in products derived from these data. Any user who modifies the data set is obligated to describe the types of modifications they perform. User specifically agrees not to misrepresent the data set, nor to imply that changes made were approved or endorsed by the U.S. Geological Survey. Please refer to http://www.usgs.gov/privacy.html for the USGS disclaimer.

Ancillary Keywords

Land Cover

Land Cover Change

Data Set Progress

IN WORK

Originating Center

Data Center

Earth Resources Observation and Science Center, U.S. Geological Survey, U.S. Department of the Interior

Data Center URL: http://eros.usgs.gov/

Data Center Personnel
Name: EROS CENTER Phone: 605-594-6151 Phone: 800-252-4547 Fax: 605-594-6589 Email: lta at usgs.gov Contact Address: LTA Customer Services U.S. Geological Survey EROS Center 47914 252nd Street City: Sioux Falls Province or State: SD Postal Code: 57198-0001 Country: USA