12/26/2023 0 Comments Airradar for kitchen sink![]() The research presented here primarily investigates the feasibility of using the InSAR technique at two different wavelengths (C-Band and L-Band) for SWE retrieval of dry snow within the Kuparuk watershed, North Slope, Alaska. The motivation behind using remote sensing to estimate SWE is to provide a more complete, continuous set of " observations" to assist in water management operations, climate change studies, and flood hazard forecasting. ![]() Previous research has presented theory for estimating snow properties, including potential for snow water equivalent (SWE) retrieval, using InSAR. Since the early 1990s, radar interferometry and interferometric synthetic aperture radar ( InSAR) have been used extensively to measure changes in the Earth's surface. We demonstrate this concept through a simulated example and practical case studies in the Netherlands.Įstimating snow water equivalent (SWE) using interferometric synthetic aperture radar ( InSAR) We propose a methodology based on collocated InSAR and Global Navigation Satellite System (GNSS) measurements, achieved by rigidly attaching phase-stable millimetre-precision compact active radar transponders to GNSS antennas. to compare InSAR results with those of other techniques. expressed in a well-defined terrestrial reference frame, e.g. However, some applications require `absolute' InSAR estimates, i.e. by assuming a reference point in the image to be stable. Mahapatra, Pooja der Marel, Hans van van Leijen, Freek Samiei-Esfahany, Sami Klees, Roland Hanssen, Ramonĭeformation estimates from Interferometric Synthetic Aperture Radar ( InSAR) are relative: they form a `free' network referred to an arbitrary datum, e.g. InSAR datum connection using GNSS-augmented radar transponders
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