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ICESAR 2007: Technical Assistance for the Deployment of Airborne SAR and Geophysical Measurements during the IceSAR 2007

Hajnsek, Irena and Horn, Ralf and Scheiber, Rolf and Sharma, Jayanti (2008) ICESAR 2007: Technical Assistance for the Deployment of Airborne SAR and Geophysical Measurements during the IceSAR 2007. Project Report. 20655-07-NL-CB. Other. 130 S.

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The ICESAR campaign was carried out in Svalbard in the period from March 8 to April 26, 2007 consisted of two parts, taking place over three weeks in March and over two and a half weeks in April, respectively. The main objectives of ICESAR were to acquire SAR images and complementary data over sea and land ice for preparation of the Sentinel-1 mission and for providing a basis for the assessment of potential applications of the Earth Explorer BIOMASS mission in the monitoring of the Polar Regions. The campaign was executed in collaboration between DLR, AWI, and ESA. Despite the rough Arctic environment and the highly variable weather conditions all data could be successfully acquired as planned and desribed in the Experimental Plan that was delivered to ESA. Furthermore, also additional flights could be carried out that were not included in the Experimental Plan, with data acquisitions over sea ice in the Frame Strait northwest of Svalbard, and over land ice with the P-band Sounder. All acquired SAR data over sea and land ice were processed and are of good quality for further analysis. The absolute radiometric accuracy lies within the ± 2 dB and the relative within ± 0.5 dB. In this document first order analysis were carried out for the derivation of ice structure parameters and identification of bedrock. The main physical parameter describing ice structure is the extinction that was derived using polarimetric decomposition in combination with polarimetric SAR interferometry. Strong differences between the two test sites could be reported, as expected. Further P-band sounder data were processed and analysed. The identification of bedrock and thus the thickness of the ice layer was the main objective. The best result was obtained with the identification of the bedrock up to 570 m.

Item URL in elib:https://elib.dlr.de/56952/
Document Type:Monograph (Project Report, Other)
Title:ICESAR 2007: Technical Assistance for the Deployment of Airborne SAR and Geophysical Measurements during the IceSAR 2007
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:November 2008
Journal or Publication Title:ESA Study Final Report
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Number of Pages:130
Series Name:Final Report
Keywords:Land ice structure, extinction, airborne campaign, Svalbard
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Prosmart, Smart-SAR (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Microwaves and Radar Institute
Microwaves and Radar Institute > SAR Technology
Deposited By: Hajnsek, Dr.rer.nat. Irena
Deposited On:16 Dec 2008
Last Modified:27 Apr 2009 15:37

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