OSU Navigation Bar

The Ohio State University University Libraries Knowledge Bank

Determination of Sea Ice Surface Roughness from Laser Altimeter Waveform

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/51369

Show simple item record

Files Size Format View
BPRC_TechReport_95-03.pdf 6.550Mb PDF View/Open

dc.creator Csatho, Beata M.
dc.creator Thomas, Robert H.
dc.date.accessioned 2012-01-12T15:26:45Z
dc.date.available 2012-01-12T15:26:45Z
dc.date.issued 1995
dc.identifier.citation Csatho, Beata M. and Robert H. Thomas. 1995. Determination of Sea Ice Surface Roughness from Laser Altimeter Waveform. BPRC Technical Report No. 95-03, Byrd Polar Research Center, The Ohio State University, 44 pages. en_US
dc.identifier.issn 1056-8050
dc.identifier.uri http://hdl.handle.net/1811/51369
dc.description.abstract One of the Geoscience Laser Altimeter System (GLAS) level 2 products is the surface roughness. Our objective is to develop an algorithm for the determination of sea ice surface roughness from altimeter waveforms. The purpose of this report is to provide a summary of the work performed and problems encountered until now. Based on the knowledge of the sea ice properties (reflectance, surface roughness) a set of sea ice models is created. Laser waveforms are computed using the GLAS Laser Altimetry Simulator software. Then the surface roughness is estimated from the waveform. By comparing the actual and estimated surface roughnesses, different surface-roughness algorithms can be evaluated. For horizontal, random rough surfaces with Lambertian reflectance, the RMS surface roughness - defined as the standard deviation of elevations within the foot print - can be estimated from the mean-square width of the received pulse. For more general surfaces, we can define the equivalent horizontal, Lambertian, random rough surface that produces the same RMS laser pulse width. Future work will include an assessment of whether information on non-random roughness can be extracted from the pulse shape. en_US
dc.language.iso en_US en_US
dc.publisher Byrd Polar Research Center, The Ohio State University. en_US
dc.relation.ispartofseries BPRC Technical Report No, 95-04. en_US
dc.subject Sea ice surface roughness en_US
dc.subject Geoscience Laser Altimeter System (GLAS) en_US
dc.subject Laser altimeter waveforms en_US
dc.title Determination of Sea Ice Surface Roughness from Laser Altimeter Waveform en_US
dc.type Technical Report en_US