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GeoCover 2000 – Landsat 7 Imagery

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Provider

LandInfo Worldwide Mapping LLC

LandInfo Worldwide Mapping LLC provides world coverage of LANDSAT 7 satellite imagery (882 images). Images were taken between 1999 and 2003.

Description

Images have been orthorectified. The 15 metre band was pan-sharpened with 30 metre multi-spectral bands 7, 4 and 2.

  • Band 7 (mid-infrared light) is displayed as red.
  • Band 4 (near-infrared light) is displayed as green.
  • Band 2 (visible green light) is displayed as blue.

Landsat 7 has one 15m pan band, 6 30m multi-spectral bands and 2 60m thermal bands. The GeoCover 2000 product is made by first orthorectifying Landsat 7 scenes, then fusing the spectral data of 3 of the 6 30m multi-spectral bands (7, 4 and 2) to the spatial data of the 15m pan band. There's then a contrast adjustment and color balancing; and lastly the various scenes are digitally sutured into a single seamless digital image. Mosaics are color (3 band) products, using spectral bands 7, 4, 2 as red, green, blue respectively ... the three bands are used in order to create a beautiful color image. It was originally created for NASA for their various governmental uses and it has been used for geological research and anything else you can imagine.

— LandInfo Worldwide Mapping

Coverage

Metadata

  • Metadata file from Mcmaster University (PDF – 23.58kb)

    A text metadata file (.met) accompanies each tile. This file contains technical specifications but does not indicate image capture data.

Projection

Universal Transverse Mercator (UTM)

Datum

World Geodetic System (WGS84)

Pixel Size

14.25 metres

Format

MrSID compressed format

Access

Available in the Data Resource Centre located on the first floor of the Library.

File Naming Convention

  • Contact the DRC -
  • File Naming Convention example: N-01-50
    • N= northern hemisphere
    • 1 = UTM grid zone 1
    • 50 = latitude of southern edge of the image
  • For advanced purposes please obtain images from the USGS website at http://glovis.usgs.gov . All existing Landsat data will available for free download after January 2009. For more information go o the USGS Landsat Missions website. The Landsat path and row information (WRS) centred closest to UTM Zones15, 16,17 and 18 is Path 18 Row 30. For other locations please use the WRS to Lat/Long converter from the USGS website.
  • Landsat 7 and Spot satellite images for Canada can also be downloaded from GeoBase / GéoBase.

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Data Access

Contact

519–824–4120 ext. 56417

Visit

The DRC is located behind the Research Help desk in the McLaughlin Library.

Check DRC help hours

Last updated May 27th, 2011 by R.E.C. (details)