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FR4.TO5.2.ppt
- 1. SNOW MONITORING USING GNSS-R TECHNIQUES § Remote Sensing Lab, Dept. TSC, Building D3, Universitat Politècnica de Catalunya, Barcelona, Spain and IEEC CRAE/UPC ∞ SMOS-Barcelona Expert Centre, Barcelona, Spain Tel. +34934054664, E-08034 Barcelona, Spain. E-mail: [email_address] N. Rodriguez-Alvarez § , A. Aguasca § , E. Valencia § , X. Bosch-Lluis § , I. Ramos-Perez § , H. Park § , A. Camps § ∞ , M. Vall-llossera § ∞ IGARSS’11 – Vancouver, Canada, 24 th -29 th July 2011 FR4.T05: GNSS Remote Sensing in Atmosphere, Ocean and Hydrology II
- 4. Based on he interference pattern of the GPS direct and reflected signals, after reflecting from the surface. Objective: GNSS-R Technique studied: The Interference Pattern Technique (IPT) Snow thickness monitoring. (3/14) © R.S. Lab, UPC 2011. IGARSS 2011, Vancouver, Canada, 24 th -29 th July 2011 INTRODUCTION SNOW MONITORING USING GNSS-R TECHNIQUES
- 6. THE USE OF THE IPT FOR WATER LEVEL MONITORING Received interferometric power Where : Figure 4. The SMIGOL Reflectometer basic configuration FUNDAMENTALS OF THE INTERFERENCE PATTERN TECHNIQUE (5/14) © R.S. Lab, UPC 2011. IGARSS 2011, Vancouver, Canada, 24 th -29 th July 2011 SNOW MONITORING USING GNSS-R TECHNIQUES
- 12. RESULTS (11/14) © R.S. Lab, UPC 2011. IGARSS 2011, Vancouver, Canada, 24 th -29 th July 2011 SNOW THICKNESS MAPS RETRIEVED SNOW MONITORING USING GNSS-R TECHNIQUES
- 13. RESULTS © R.S. Lab, UPC 2011. IGARSS 2011, Vancouver, Canada, 24 th -29 th July 2011 (12/13) SNOW MONITORING USING GNSS-R TECHNIQUES RETRIEVAL RESULTS. Correlation of the retrievals with the ground-truth snow thickness
- 15. This work has been sponsored with funds from the Plan Nacional del Espacio of the Spanish Ministry in the frame of the project with reference ESP2007-65567-C04-02 and also by funds from the project with reference AYA2008-05906-C02-01/ESP and the project AYA2010-22062-C05-05/ESP. ACKNOWLEDGEMENTS (14/14) © R.S. Lab, UPC 2011. IGARSS 2011, Vancouver, Canada, 24 th -29 th July 2011 SNOW MONITORING USING GNSS-R TECHNIQUES