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Mosaics/Aster_DEM_Mosaic_LCC (MapServer)

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Service Description: The ASTER instrument that was launched onboard NASA’s Terra spacecraft in December 1999 has an along-track stereoscopic capability using two telescopes in its near infrared spectral band to acquire data from nadir and backward views. Over 1.2 million scenes (level-1A products) acquired between March 2000 and August 2008 were used to generate the ASTER Global DEM (ASTGTM) collection. A newly developed cloud mask function was applied to remove cloud effects from scene DEMs as much as possible. ASTER Global DEM was created by stacking all cloud masked DEMs, and a statistical selection algorithm was used to remove abnormal data. Several existing reference DEMs were used to correct residual anomalies where limited scenes were available, including SRTM, NED, CDED, and Alaska DEM. The ASTGTM products include DEM data and a ‘.num’ file containing quality and reference DEM information. Data Set Characteristics: Geographic Extent: Global between 83º latitude Scene Coverage: 1º x 1º tiles File Format: GEOTIFF Map Projection: Geographic Lat/Lon Datum: WGS84/EGM96 Resolution: 1 arcsecond (30-m horizontal posting at equator) ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) is an imaging sensor onboard the Terra satellite, which was launched in December 1999 as part of NASA's Earth Observing System (EOS). ASTER is a cooperative effort between NASA, Japan's Ministry of Economy, Trade and Industry (METI) and Japan's Earth Remote Sensing Data Analysis Center (ERSDAC). ASTER data is used to create detailed maps of land surface temperature, reflectance and elevation. Data Resolution is 30 meters.

Map Name: Layers

Legend

All Layers and Tables

Layers: Description:

Copyright Text: Data Set Citation Dataset Originator/Creator: LP DAAC Dataset Title: ASTER Global Digital Elevation Model V001 Dataset Release Date: 2009 Dataset Release Place: Sioux Falls, South Dakota, USA Dataset Publisher: U.S. Geological Survey Version: V001 Data Presentation Form: Remote Sensing Image Data Center Personnel Name: LP DAAC USER SERVICES Phone: (Toll Free) (866) 573-3222 Phone: (605) 594-6116 Fax: (605) 594-6963 Email: LPDAAC at usgs.gov Contact Address: LP DAAC User Services U.S. Geological Survey (USGS) Center for Earth Resources Observation and Science (EROS) 47914 252nd Street City: Sioux Falls Province or State: SD Postal Code: 57198-0001 Country: USA

Spatial Reference: 102002  (102002)


Single Fused Map Cache: false

Initial Extent: Full Extent: Units: esriMeters

Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP

Document Info: Supports Dynamic Layers: false

MaxRecordCount: 1000

MaxImageHeight: 4096

MaxImageWidth: 4096

Supported Query Formats: JSON, geoJSON

Supports Query Data Elements:

Min Scale: 0

Max Scale: 0

Supports Datum Transformation: true



Child Resources:   Info

Supported Operations:   Export Map   Identify   QueryLegends   QueryDomains   Find   Return Updates   Generate KML