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Comparing results of a remote sensing driven interception-infiltration model for regional to global applications with ECMWF data

Tum, Markus and Borg, Erik (2012) Comparing results of a remote sensing driven interception-infiltration model for regional to global applications with ECMWF data. In: Proc. SPIE 8531, Remote Sensing for Agriculture, Ecosystems, and Hydrology XIV, 853102, 8531, pp. 1-10. SPIE. SPIE - Remote Sensing 2012, 24.-27. Sep. 2012, Edinburgh, UK. ISBN 9780819492715 ISSN 0277-786x

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Abstract

We present results of a remote sensing based modelling approach to simulate the 1D water transport in the vadose zone of unsaturated soils on a daily basis, which can be used for regional to global applications. To calculate the hydraulic conductivity our model is driven by van Genuchten parameters, which we calculated for Bavaria (South-East-Germany), which we choose as area of investigation, using the ISRIC-WISE Harmonized Global Soil Profile Dataset Ver. 3.1 and the Rosetta programme. Soil depth and layering of up to six layers were defined independently for each soil. Interception by vegetation is also considered by using Leaf Area Index (LAI) time series from SPOT-VEGETATION. Precipitation is based on daily time series from the European Centre for Medium-Range Weather Forecasts (ECMWF). The model was applied to the Biosphere Energy Transfer Hydrology (BETHY/DLR) vegetation model, driven at the German Aerospace Center (DLR), to discuss the possibility of regionalization of a global model concept, regarding the soil water budged. Furthermore we compare our results with ECMWF data and discuss the results for the state of Bavaria. We found a good agreement for the general characteristics of our results with this dataset, especially for soils which are close to the standard characteristics of the ECMWF. Disagreements were found for shallow soils and soils under stagnant moisture, which are not considered in the ECMWF modelling scheme, but are distinguished in our approach.© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.

Item URL in elib:https://elib.dlr.de/78552/
Document Type:Conference or Workshop Item (Paper)
Title:Comparing results of a remote sensing driven interception-infiltration model for regional to global applications with ECMWF data
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Tum, Markusmarkus.tum (at) dlr.deUNSPECIFIED
Borg, Erikerik.borg (at) dlr.deUNSPECIFIED
Date:19 October 2012
Journal or Publication Title:Proc. SPIE 8531, Remote Sensing for Agriculture, Ecosystems, and Hydrology XIV, 853102
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:8531
Page Range:pp. 1-10
Editors:
EditorsEmail
Neale, Christopher M. U.UNSPECIFIED
Maltese, AntoninoUNSPECIFIED
Publisher:SPIE
ISSN:0277-786x
ISBN:9780819492715
Status:Published
Keywords:Aerospace engineering; Energy transfer; Hydrology; Modeling; Water
Event Title:SPIE - Remote Sensing 2012
Event Location:Edinburgh, UK
Event Type:international Conference
Event Dates:24.-27. Sep. 2012
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Fernerkundung der Landoberfläche (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Land Surface
Deposited By: Tum, Markus
Deposited On:28 Feb 2013 10:37
Last Modified:18 Mar 2013 16:55

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