GNSS-Scatterometry Challenges in Lake Ice Remote Sensing

Delay-Doppler Maps (DDMs) have already shown promising potentials in the sea ice remote sensing, including ice recognition and sea ice thickness estimation. However, this kind of products is yet to be tested for lake ice remote sensing, which looks more challenging than that of sea ice, especially for mid-latitude ones. Generally speaking, two main approaches… More

GNSS Reflectometry Using Smartphones; A Potential for Lake Ice Thickness Monitoring

SNR-based GNSS-Reflectometry has shown an enormous potential for ground-based altimetry purposes as the frequency of SNR oscillations is directly connected to antenna height from the reflective surface. This technique, which is usually called in the literature as GNSS Interferometric Reflectometry, has been already tested for retrieving snow depth, monitoring water level changes, and measuring lake… More

Can Small Changes in Water Surface Topography be Detected by GNSS Reflectometry?

Precipitation detection over ocean using various radar remote sensing techniques have been fully understood and tested for several decades. But in terms of GNSS Reflectometry, researchers had been skeptical about its potential as a rain detector. Recently, a groundbreaking paper has been published by Dr. Milad Asgarimehr and his colleagues addressing this question cropping up in another paper published three years… More

CYGNSS and Spatial Interpolation; a Review

“Why talk to others when you can talk to yourself?” This is how Clara Chew captioned her fantastic YouTube video in LinkedIn to start suggesting a spatial interpolation method for CYGNSS data. First of all, I should say what a great idea form one of my most inspiring and favorite researchers. Establishing a YouTube channel… More

Animated Video: GPS-Reflectometry for Soil Moisture Monitoring

To clarify a subject to non-specialists, creating a video is a much more efficient way compared to giving lectures, preparing graphs, and even writing plain language articles. Gradflix is a competition held each year at the University of Waterloo encouraging grad students to create 1-minute videos to explain their research topics. Then, based on a… More


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