Browsing Tag 'Landsat'
Great day for a launch: all indications positive for Landsat 8. By Liza Lester, ESA communications officer. AT 10:02am local time on Monday, February 11, 2013, the Landsat Data Continuity Mission (LDCM) launched from Vandenberg Air Force Base, California, into a clear blue sky atop an Atlas V rocket. The latest USGS earth observatory satellite [...]
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End of routine acquisitions for the Thematic Mapper, secondary sensor is still sending data. By Liza Lester, ESA communications officer. The US Geological Survey’s Landsat 5 Thematic Mapper has been a faithful friend to ecologists. Recoding image data in seven bands covering visible, thermal, and infrared spectra, the satellite has shown us retreating glaciers, advancing [...]
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Overabundance of an essential nutrient is not always a good thing. – by Liza Lester, ESA communications officer. A tractor spreads manure. Excess fertilizer seeping out of fields has a host of consequences for ecological systems and human health. Credit, flickr user eutrophication&hypoxia, 2010. NITROGEN is both an essential nutrient and a pollutant, a [...]
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This post contributed by Liza Lester, ESA communications officer Four hundred miles above the Earth’s surface, a satellite slides into lonely oblivion. After collecting and broadcasting earthly imagery for a remarkable quarter century past its expected 3-year lifespan, Landsat 5 is failing. Over the years, US Geological Survey engineers have contrived quite a few patches [...]
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