[783] - Vegetation effects on L-band soil moisture retrieval – Lessons learned from 5 years of ALOS PALSAR Observations

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Koyama, C. N., Schneider, K., 2012. Vegetation effects on L-band soil moisture retrieval – Lessons learned from 5 years of ALOS PALSAR Observations.Proc. of Geoscience and Remote Sensing Symposium (IGARSS), July 22 - 27, 2012, Munich, Germany, 1231 - 1235. DOI: 10.1109/IGARSS.2012.6351321.
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Title(s):Main Title: Vegetation effects on L-band soil moisture retrieval – Lessons learned from 5 years of ALOS PALSAR Observations
Description(s):Abstract: Apart from surface roughness effects the major impediment to accurate quantitative estimations of surface soil moisture content from SAR data is probably the presence of a vegetation cover attenuating the radar backscatter. In this paper, we report observations of vegetation effects on ALOS soil moisture products. A multi-temporal set of (quad/dual) polarimetric PALSAR images is used to investigate the effects of different agricultural crops on the L-band soil moisture retrieval. The vegetation effects on co-(HH) and cross-polarized (HV) backscattering coefficients, total power, as well as on the scattering entropy and alpha angle were analyzed based on correlation analysis between PALSAR observables and geophysical parameters. The impact on the soil moisture retrieval is investigated using the IEM and an empirical approach.
Identifier(s):DOI: 10.1109/IGARSS.2012.6351321
Responsible Party
Creator(s):Author: Christian N. Koyama
Author: Karl Schneider
Publisher:The Institute of Electrical and Electronics Engineers Geoscience and Remote Sensing Society
TR32 Topic:Remote Sensing
Subject(s):CRC/TR32 Keywords: ALOS, PALSAR, Soil Moisture, SAR, Radar/L-Band, Vegetation
File Details
File Name:2012_Koyama_IGARSS.pdf
Data Type:Text
Size(s):4 Pages
File Size:220 kB (0.215 MB)
Date(s):Issued: 2012-07-22
Mime Type:application/pdf
Download Permission:OnlyTR32
General Access and Use Conditions:For internal use only
Access Limitations:For internal use only
Licence:TR32DB Data policy agreement
North:-no map data
Measurement Region:None
Measurement Location:--None--
Specific Informations - Publication
Type:Event Paper
Number Of Pages:4
Page Range:1231 - 1235
Event Name:Geoscience and Remote Sensing Symposium (IGARSS)
Event Type:Conference
Event Location:Munich, Germany
Event Period:22nd of July, 2012 - 27th of July, 2012
Metadata Details
Metadata Creator:Christian N. Koyama
Metadata Created:2013-12-09
Metadata Last Updated:2013-12-09
Funding Phase:2
Metadata Language:English
Metadata Version:V40
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