Remote Sensing
April 22, 2008Earth as ArtFun, Remote SensingHappy Earth Day! The USGS and NASA jointly maintain the “Earth as Art” website which brings to the public stunning images of the Earth taken by the Landsat-7 satellite and the Terra Satellite’s Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER). The site was originally created in 2002 by the USGS National Center for EROS ... read more August 25, 2001Jason-1 – Measuring Ocean Topography From SpaceData, Features, Remote SensingJason-1 is a satellite to be jointly operated by NASA and CNES (Centre National d’Etudes Spatiales), the French space agency. Scheduled for launch no earlier than September 15th of this year, Jason-1 will work in tandem with TOPEX/Poseidon, a U.S.-French satellite in operation since 1992. TOPEX/Poseidon marked its ninth anniversary in orbit on August 10th, ... read more January 17, 2001Satellite imageryData, Features, Remote SensingDigital imagery can greatly enhance a GIS. Part of the raster data types, imagery is a powerful visual aid and serves as a source of derivative information such as planimetrics and classification schemes to derive such information as land use or vegetation. If your GIS covers a particularly large area, aerial imagery may not be ... read more December 19, 2000Remote-Sensing TechnologiesFeatures, Remote SensingRemotely-sensed imagery from aircraft and satellites represent one of the fastest-growing sources for raster GIS data. While remote-sensing technology has been around for decades, recent technological advances and legislative changes have led to an dramatic increase in the types of imagery available. In the U.S., due to recent legislative changes and the repeal of the ... read more February 27, 2000Mapping the Earth – the Shuttle Radar Topography MissionData, Features, Remote SensingSpace Shuttle Endeavour lifted off on February 11. One of its missions is an ambitious mapping of the earth. Approximately 80 percent of the Earth will be mapped, an area that covers 95 percent of the Earth’s population. read more... |

