François Boy

TL;DR: In 2018, the 25th year of development of radar altimetry was celebrated and the progress achieved by this methodology in the fields of global and coastal oceanography, hydrology, geodesy and cryospheric sciences as discussed by the authors.

TL;DR: In this article, the authors quantified the nadir altimetry performance over a medium river (200m or lower wide) with a pluvio-nival regime in a temperate climate (the Garonne River, France).

TL;DR: In this paper, an analysis of simulations and actual data from multiple missions was conducted to show that the hump originates in a response to inhomogeneities in backscatter strength, and that the error is smoothed along track because of the size and shape of the LRM disc-shaped footprint.

TL;DR: This paper addresses geophysical parameter retrieval from Delay/Doppler altimetry over ocean surfaces by developing an inversion method based on the numerical computation of the radar power-return equation, including instrument design features, such as the range and azimuth impulse responses.

TL;DR: The Sea surface KInematics multiscale monitoring (SKIM) satellite mission is designed to explore ocean surface current and waves from space as mentioned in this paper, where the main instrument is a Ka-band conically scanning, multi-beam Doppler radar altimeter/wave scatterometer that includes a state-of-the-art nadir beam comparable to the Poseidon-4 instrument on Sentinel 6.