Title :
Satellite microwave radar- and buoy-tracked ice motion in the Weddell Sea during WWGS ´92
Author :
Drinkwater, Mark R. ; Kottmeier, Christoph
Author_Institution :
Jet Propulsion Lab., California Inst. of Technol., Pasadena, CA, USA
Abstract :
The first results of ERS-1 SAR sea-ice drift tracking are presented for Antarctica. Summer and winter examples illustrate temporal variations in ice drift in the Western and Eastern Weddell Sea during two field experiments. Time-series of mean drift velocity, divergence and rotation are compared with meteorological data from an ice camp and by instrumented buoys. Results indicate that SAR successfully characterizes the `spatially mesoscale´ kinematics of Weddell Sea ice during summer and winter, providing that coverage, and temporal and spatial sampling are judiciously planned. Measurements show that winter ice production largely takes place during synoptic events where pulses of wind force ice divergence, lead formation and ice growth
Keywords :
meteorology; oceanographic regions; oceanographic techniques; radar applications; remote sensing; remote sensing by radar; sea ice; spaceborne radar; synthetic aperture radar; AD 1992; Antarctic Ocean; Southern Ocean; WWGS ´92; Weddell Sea; air sea interaction; atmosphere; buoy-tracker; divergence a; drift tracking; drift velocity; ice production synoptic event; mesoscale kinematics; microwave radar observations; rotation; sea ice motion; sea surface; season; summer measurement technique; temporal variation; transport circulation; winter radar remote sensing SAR; Antarctica; Electron mobility; Force measurement; Instruments; Kinematics; Meteorology; Pulse measurements; Radar tracking; Satellites; Sea ice;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 1994. IGARSS '94. Surface and Atmospheric Remote Sensing: Technologies, Data Analysis and Interpretation., International
Conference_Location :
Pasadena, CA
Print_ISBN :
0-7803-1497-2
DOI :
10.1109/IGARSS.1994.399065
