Splinter meeting in hydrology - NASA SWOT · 3- Recent power downgrade on the core SWOT data...
9
3- Recent power downgrade on the core SWOT data products: expected capability to penetrate canopy gaps, land/water contrast, heavy rainfall and other phenomenology issues Larry Smith and Hervé Yesou Splinter meeting in hydrology
Transcript of Splinter meeting in hydrology - NASA SWOT · 3- Recent power downgrade on the core SWOT data...
3- Recent power downgrade on the core SWOT data products: expected capability to penetrate canopy gaps, land/water contrast, heavy rainfall and other phenomenology issues
Larry Smith and Hervé Yesou
Splinter meeting in hydrology
© YESOU, 2006
Land/water contrast in Ka band
Land/water contrast in Ka band
Floa3ng/submerged vegeta3on Ie perturba3ng parameters
-‐ Flooded & Floa*ng vegeta*on
Floa3ng vegeta3on Trappa
Emergent vegeta3on Zizania and Polygonum
Floa3ng/submerged vegeta3on Ie perturba3ng parameters
-‐ Flooded and Floa*ng vegeta*on: dynamic system
6 6
Précision XY : 0.5m Accuracy Z: better than 1 m
Layover within complex system
7
CSK Huge, 100m, Poyang Lake, China, 2011-08-22: wind storm cells X band
Shadow effect
Water body
Rain effect
Very high sensibility to rainfall and clous in X band Be careffull!!
Bakldini et al., 2012, from Meteo Italy
Water backscattering in function of cloud /precipitation : country with contrasted
rainy/dry season
Dr Hervé YESOU Claire HUBER, Henri GIRAUD
SERTIT
University of Strasbourg Telecom Physiques Strasbourg - France
