Conference Proceedings
Multi-Temporal Assessment of X-Band SAR Soil Moisture Retrievals Across Growth Stages of a Dryland Wheat Field
D Ryu, L Tao, AW Western, SG Lee
International Geoscience and Remote Sensing Symposium IGARSS | IEEE | Published : 2020
Abstract
X-band microwave data from a Synthetic Aperture Radar (SAR) satellite, KOMPSAT-5, was used to produce high-resolution (3 m) surface soil moisture maps over agricultural fields in Victoria, Australia during the winter cropping season of 2019. Primary aim of the experiment was to evaluate the X-band SAR soil moisture for agricultural fields at different crop growth stages. Three paddocks of approximately 100 ha planted with dryland wheat were chosen as experimental fields where ground samples for calibration and validation were collected over five field campaigns scheduled to capture the major growth stages of wheat. The Water-Cloud Model (WCM) was used to delineate the at-surface scattering c..
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Grants
Awarded by University of Melbourne - Korea Aerospace Research Institute
Funding Acknowledgements
This research is supported by the University of Melbourne Research Contract #300405 sponsored by the Korea Aerospace Research Institute, and by the State Scholarship Fund of China. We thank the owner of the field site who generously provided us access to the paddock for ground sampling during the entire growing season. We also acknowledge the assistance of Rodger I. Young, Seongkyun Kim, Shirui Hao, and Jiaming Xu during the field campaigns and laboratory sample processing.