Description: Das Projekt "Use of SCA cross-polarisation information for soil moisture retrieval" wird vom Umweltbundesamt gefördert und von Technische Universität Wien, Department für Geodäsie und Geoinformation, Forschungsgruppe Photogrammetrie und Fernerkundung (E122) durchgeführt. Forthe EPS-SG SCA instrument, the successor of MetOp ASCAT, the inclusion of a VH polarisation channel on the mid-beam antenna is currently being considered. The two main goals for the proposed study are (i) to evaluate the potential use of the cross-polarisation channel for improving soil moisture retrievals based on VV-polarised data only, and (ii) to propose a preliminary algorithm that exploits this potential. These goals will be achieved by undertaking three major tasks: Task 1: An initial conceptual assessment through a compreshensive literature review - Task 2: An assessment based on real data analysis, using existing instruments with properties close to those of SCA (C-Band, VV/VH polarization, multi-incidence-angle observations) to characterise the varying surface parameter contributions to the backscatter signal and to assess sensitivity, accuracy, and spatio-temporal variability aspects. Task 3: A preliminary algorithm formulation based on the findings of (1) and (2).
Types:
SupportProgram
Origin: /Bund/UBA/UFORDAT
Tags: Gerinne ? Wasserstraße ? Wien ? Photogrammetrie ? Main ? Bodendaten ? Messtechnik ? Geoinformation ? Berechnungsverfahren ? Bewertung ? Daten ? Geodäsie ? Gewerbebetrieb ? Literaturauswertung ? Sensitivitätsanalyse ? Statistische Analyse ? Studie ? Bodenfeuchte ? Messung ? Datenerhebung ? Fernerkundung ? Informationsgewinnung ? Kenngröße ? Rückstreuung ? Scatterometer ? VH-Polarisation ? Werkzeug ?
License: cc-by-nc-nd/4.0
Language: Deutsch
Time ranges: 2014-07-23 - 2015-04-22
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