Landsat-7 ETM+ Satellite Imagery, 2011
The Landsat Series is a joint USGS and NASA-led enterprise for Earth observation that represents the world's longest running system of satellites for moderate-resolution optical remote sensing for land, coastal areas, and shallow waters. Landsat 7 was launched from Vandenberg Air Force Base in California on April 15, 1999, on a Delta II rocket. The satellite carries the Enhanced Thematic Mapper Plus (ETM+) sensor. This instrument was improved from previous instrumentation designs. The primary features on Landsat 7 include a panchromatic band with 15 meter spatial resolution, an onboard full aperture solar calibrator, five percent absolute radiometric calibration, and a thermal infrared channel with a four-fold improvement in spatial resolution over Thematic Mapper (TM).
The ETM+ contains eight spectral bands, including a pan and thermal band:
• Band 1 Blue (0.45 - 0.52 µm) 30 m
• Band 2 Green (0.52 - 0.60 µm) 30 m
• Band 3 Red (0.63 - 0.69 µm) 30 m
• Band 4 Near-Infrared (0.77 - 0.90 µm) 30 m
• Band 5 Short-wave Infrared (1.55 - 1.75 µm) 30 m
• Band 6 Thermal (10.40 - 12.50 µm) 60 m Low Gain / High Gain
• Band 7 Mid-Infrared (2.08 - 2.35 µm) 30 m
• Band 8 Panchromatic (PAN) (0.52 - 0.90 µm) 15 m
Dataset
(1) Land use land Cover 2011Source: U.S. Geological Survey (USGS), EarthExplorer. https://earthexplorer.usgs.gov/
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