Airborne Passive microwave response to soil moisture: A case study for the Rur catchment

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Title:Main Title: Airborne Passive microwave response to soil moisture: A case study for the Rur catchment
Description:Abstract: Soil moisture is a highly variable parameter that affects several environmental and earth surface processes including meteorology, climate, hydrology and agricultural management. Remote sensing of soil moisture from the vantage point of space is advantageous because of its large spatial and temporal continuity. Airborne passive microwave remote sensing in L band provides a feasible option for high resolution mapping of near surface soil moisture that allows both large spatial coverage and high spatial resolution. A series of multi-resolution flights was conducted over the Rur Catchment a TERENO observatory, in the west of Germany. The Rur catchment comprises a distinct variety of topographic and land cover characteristics and therefore represents an excellent validation site for the airborne campaigns and satellite missions. Brightness temperature observed by the Polarimetric L-band Multibeam Radiometer (PLMR2) was mapped 3 times at different altitude in descending order (1200m 1000m and 700m). The PLMR2 spatial resolution (beam spot size) is approximately 0.3 times the altitude, and the swath width is about twice the altitude. The near-surface moisture and temperature of soil were measured extensively on the ground in sampling areas concurrently with aircraft flying over the region. Soil moisture is estimated using the L-band Microwave Emission of the Biosphere (L-MEB) model, which simulates the L-band microwave emissions produced by the soil–vegetation layer. Consequently this study demonstrates that passive microwave remote sensing is potentially an efficient tool to detect landscape soil moisture variation corresponding to spatial and temporal patterns. The overall future aim is to combine the PLMR2 data with data from active SAR sensor (F-SAR by DLR, Germany) for an enhanced soil moisture product.
Responsible Party
Creator:Sayeh Hasan (Author)
Publisher:CRC/TR32 Database (TR32DB)
Publication Year:2013
Topic
TR32 Topic:Remote Sensing
Related Subproject:C1
Subject:Keyword: PhD Report
File Details
Filename:Report3_Hasan_2012.pdf
Data Type:Text - Text
File Size:2.8 MB
Date:Available: 01.05.2012
Mime Type:application/pdf
Data Format:PDF
Language:English
Status:Completed
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Download Permission:Only Project Members
General Access and Use Conditions:According to the TR32DB data policy agreement.
Access Limitations:According to the TR32DB data policy agreement.
Licence:[TR32DB] Data policy agreement
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Specific Information - Report
Report Date:1st of May, 2012
Report Type:PhD Report
Report City:Jülich, Germany
Report Institution:Institute of Bio and Geosciences Agrosphere (IBG-3), Research Center Jülich
Number of Pages:25 (1 - 25)
Further Information:TR32 Student Report Phase II
Metadata Details
Metadata Creator:Sayeh Hasan
Metadata Created:04.12.2013
Metadata Last Updated:04.12.2013
Subproject:C1
Funding Phase:2
Metadata Language:English
Metadata Version:V50
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