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USGS Global Visualization Viewer for Aerial and Satellite Data

Dataset Summary

Agency	Department of the Interior
Sub-Agency	US Geological Survey
Category	Geography and Environment
Date Released	1972
Date Updated	Daily
Time Period	1972 - current
Frequency	16-days; Any given area is potentially imaged once every 16 days; images are added to the collection several times daily
Description	Ten million archive images of the Earth's surface are available for immediate selection and free download via the USGS Earth Resources Observation and Science (EROS) Center's Global Visualization Viewer at http://glovis.usgs.gov/. Users can preview thumbnail browse images and download full-image selections from 1.5 million aerial photos of U.S. sites and 8.5 million images captured worldwide by U.S. Earth-observing satellites. (more)

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Dataset Metrics

Number of Downloads

785

Dataset Information

Data.gov Data Category Type	Tool Catalog
Specialized Data Category Designation	Geospatial
Keywords	Landsat, satellite, ETM+, MSS, TM, Multispectral Scanner, Enhanced Thematic Mapper, Thematic Mapper, remote sensing, earth observations
Unique ID	93

Contributing Agency Information

Citation	http://edc.usgs.gov/about/customer/citation.html There are no restrictions on data received from the U.S. Geological Survey's Earth Resources Observation and Science (EROS) Center, unless expressly identified prior to or at the time of receipt. Depending on the product source, we request that the following statements be used when citing, copying, or reprinting data: USGS Products Acknowledgement: Data available from the U.S. Geological Survey. See USGS Visual Identity System Guidance for further details. Questions concerning the use or redistribution of USGS data should be directed to: ask@usgs.gov or 1-888-ASK-USGS (1-888-275-8747).
Agency Program Page	http://remotesensing.usgs.gov
Agency Data Series Page	http://landsat.usgs.gov

Dataset Coverage

Unit of Analysis	Each Landsat image collected is a scene. Each Landsat scene is 115 x 106 miles long. The globe is divided into 57,784 scenes, and each Landsat scene has about 3 billion bytes of data.
Granularity	15-meter to 120-meter pixels depending on the instrument used
Geographic Coverage	Global land areas

Data Description

Collection Mode	satellite and satellite ground station antennas and related equipment
Data Collection Instrument	http://landsat.usgs.gov
Data Dictionary/Variable List	http://landsat.usgs.gov

Additional Dataset Documentation

Technical Documentation	http://landsat.usgs.gov
FGDC Compliance (Geospatial Only)
Additional Metadata	http://landsat.usgs.gov

OMB Control No. 3090-0284