Application of SAR interferometry in Grove Mountains, east Antarctica

2004 ◽  
Author(s):  
Dongchen E
Keyword(s):  
East Antarctica ◽  
Sar Interferometry ◽  
Grove Mountains

scholarly journals Ice Cover, Subglacial Landscape, and Estimation of Bottom Melting of Mac. Robertson, Princess Elizabeth, Wilhelm II, and Western Queen Mary Lands, East Antarctica

2022 ◽  
Vol 14 (1) ◽  
pp. 241
Author(s):  
Sergey Popov
Keyword(s):  
Sea Level ◽  
Field Research ◽  
Research Area ◽  
Melting Rate ◽  
East Antarctica ◽  
Ice Thickness ◽  
Radio Echo Sounding ◽  
Base Elevation ◽  
Vast Area ◽  
Grove Mountains

This study demonstrates the results of Russian airborne radio-echo sounding (RES) investigations and also seismic reflection soundings carried out in 1971–2020 over a vast area of coastal part of East Antarctica. It is the first comprehensive summary mapping of these data. Field research, equipment, errors of initial RES data, and methods of gridding are discussed. Ice thickness, ice base elevation, and bedrock topography are presented. The ice thickness across the research area varies from a few meters to 3620 m, and is greatest in the local subglacial depressions. The average thickness is about 1220 m. The total volume of the ice is about 710,500 km3. The bedrock heights vary from 2860 m below sea level in the ocean bathyal zone to 2040 m above sea level in the Grove Mountains area (4900 m relief). The main directions of the bedrock orographic forms are concentrated mostly in three intervals: 345∘–30∘, 45∘–70∘, and 70∘–100∘. The bottom melting rate was estimated on the basis of the simple Zotikov model. Total annual melting under the study area is about 0.633 cubic meters. The total annual melting in the study area is approximately 1.5 mm/yr.

Application of SAR Interferometry on DEM Generation of the Grove Mountains

2004 ◽  
Vol 70 (10) ◽  
pp. 1145-1149 ◽  
Author(s):  
E Dongchen ◽  
Chunxia Zhou ◽  
Mingsheng Liao
Keyword(s):  
Sar Interferometry ◽  
Grove Mountains

THE GROVE MOUNTAINS: A TYPICAL PANAFRICAN METAMORPHIC TERRANE IN THE PRYDZ BELT, EAST ANTARCTICA

2014 ◽  
Vol 25 (1) ◽  
pp. 7-24 ◽  
Author(s):  
Xiaochun Liu ◽  
Yue Zhao ◽  
Jianmin Hu ◽  
Xiaohan Liu ◽  
Wei Qu
Keyword(s):  
East Antarctica ◽  
Pan African ◽  
Metamorphic Terrane ◽  
Grove Mountains

scholarly journals The integration of JERS-1 and ERS SAR in differential interferometry for measurement of complex glacier motion

2006 ◽  
Vol 52 (176) ◽  
pp. 80-88 ◽  
Author(s):  
Xiao Cheng ◽  
Guanhua Xu
Keyword(s):  
Motion Vector ◽  
Sar Interferometry ◽  
Time Interval ◽  
Short Baseline ◽  
Ice Flow ◽  
Regional Flow ◽  
Motion Vector Field ◽  
Lambert Glacier ◽  
Glacier Motion ◽  
Grove Mountains

AbstractComplex glacier motion in the Grove Mountains region, Antarctica, is measured using four-pass differential synthetic aperture radar (SAR) interferometry (InSAR). The components of the motion vector field are resolved using a 44 day-separation Japanese Earth Resources Satellite-1 (JERS-1) InSAR pair and a European Remote-sensing Satellite-1/-2 (ERS-1/-2) tandem InSAR pair. The 44 day temporal baseline provides the sensitivity required to observe the range of ice motion (around 8–10ma–1), and the 1 day short baseline provides the best choice for glacier digital elevation model reconstruction. It is remarkable that the scattering field of the JERS-1 pair remained coherent over the long time interval and the interferometric fringes are clear. The overall ice flow is from east to west, downslope and towards Lambert Glacier. The regional flow is obstructed by nunataks extending north–south, with two wide gaps. Two narrow glaciers flow past the nunataks and rejoin each other at the downstream end. Regional morphology, and the resolved flow in the Grove Mountains area, suggests that ice flow is channeled throughout this eastern flank of Lambert Glacier.

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