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WRIA 20 Clip of Landsat 7 RGB Color Composite Mosaic
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Metadata elements shown with blue text are defined in the Federal Geographic Data Committee's (FGDC) Content Standard for Digital Geospatial Metadata (CSDGM). Elements shown with green text are defined in the ESRI Profile of the CSDGM. Elements shown with a green asterisk (*) will be automatically updated by ArcCatalog. ArcCatalog adds hints indicating which FGDC elements are mandatory; these are shown with gray text.
This geometrically terrain-corrected clip of WRIA 20 of the LandSat7 image data set is made available through the Washington State Remote Sensing Consortium (WARSC). The data provided includes bands 1, 2, 3, representing an RGB color composite for display.
Display layer for WRIA 20 GIS data compilation by UW Olympic Natural Resources Center.
The Landsat program provides a continuing stream of remote sensing data for monitoring and managing the Earth's resources. The launch of the Landsat-7 satellite on April 15, 1999, marks the addition of the latest satellite to the Landsat satellite series. Landsats 1, 2, and 3 carried the multispectral scanner (MSS) sensor and experimental return beam vidicon cameras. The Landsat-4 satellite carried the MSS and thematic mapper (TM) sensors as does the still currently flying Landsat-5 satellite. The sixth satellite in the Landsat series was unsuccessfully launched and did not achieve orbit. The Landsat-7 satellite carries the enhanced thematic mapper plus (ETM+) sensor. The launch of the Landsat-7 satellite is part of an ongoing mission to provide quality remote sensing data in support of research and applications activities.
ground condition
None.
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Original Landsat 7 scenes from EROS Data Center purchased by Washington State Remote Sensing Consortium, of which UW ONRC is a member.
Nominal ground sample distances or pixel sizes include 30 meters each for the six visible, near-infrared, and shortwave infrared bands, 60 meters for the thermal infrared band, and 15 meters for the panchromatic band.
Landsat-7 data are collected from a nominal altitude of 705 kilometers in a near-polar, near-circular, Sun-synchronous orbit at an inclination of 98.2 degrees, imaging the same 183-km swath of the Earth's surface every 16 days.
The orbital pattern equates to a 233-orbit cycle with a swath sidelap that varies from approximately 7 percent at the Equator to nearly 84 percent at 81 degrees north or south latitude. The Landsat scenes are mapped to a global notation system called the Worldwide Reference System (WRS), annotating the nominal scene center of Landsat imagery using Path and Row designators.
Number of EROS Geometric QA: Control Points 12; RMS Along Track 11.54; RMS Across Track 10.22; RMS Combined 15.42 - See summary report (often referred to as EROS Work Order Report) in Documentation Directory on CD - See WARSC QA/QC report in CD Documentation Directory - on file at UW ONRC GIS.
Used ESRI Arc/INFO polygon coverage of WRIA 20 as an AOI to clip the mosaic.
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Reprojected clipped image to State Plane South, NAD 27, units feet.
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Internal feature number.
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Internal feature number.
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