Title :
Laser altimetry and lidar from ICESat/GLAS
Author_Institution :
Center for Space Res., Texas Univ., Austin, TX, USA
Abstract :
In December 2001, a spaceborne laser altimeter will be launched into a near-polar, near-circular orbit to measure changes in polar ice-sheet topography, as well as along-track land and ocean topography. The ice-sheet measurements will address fundamental questions about the growth or shrinkage of the polar ice-sheets and their contribution to current and future global sea level rise or fall. The measurements, which also include cloud heights, will be made using a 1064 nm laser pulse. An atmospheric channel, using a 532 nm pulse, will measure aerosol vertical profiles and other atmospheric properties
Keywords :
atmospheric techniques; geodesy; geophysical techniques; glaciology; hydrological techniques; oceanographic techniques; remote sensing by laser beam; terrain mapping; topography (Earth); 1064 nm; 532 nm; GLAS; ICESat; aerosol; atmosphere; elevation; geodesy; geophysical measurement technique; glacier; glaciology; hydrology; land surface topography; laser altimetry; laser remote sensing; lidar; ocean; polar ice sheet; satellite remote sensing; sea level; sea surface height; spaceborne laser; terrain mapping; Atmospheric measurements; Current measurement; Extraterrestrial measurements; Laser radar; Laser transitions; Oceans; Pulse measurements; Sea level; Sea measurements; Surfaces;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 2001. IGARSS '01. IEEE 2001 International
Conference_Location :
Sydney, NSW
Print_ISBN :
0-7803-7031-7
DOI :
10.1109/IGARSS.2001.976732
