Journal
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS
Volume 19, Issue -, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LGRS.2021.3074087
Keywords
Wind speed; Sea measurements; Wind; Satellites; Time series analysis; Extraterrestrial measurements; Radar measurements; Advanced scatterometer (ASCAT); cyclone global navigation satellite system (CYGNSS); discrete Fourier transforms (DFTs); global navigation satellite system reflectometry (GNSS-R); ocean surface wind; wind diurnal variability; WindSat
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Funding
- NASA Weather and Atmosphere Dynamics Program Project [NNH16ZDA001N]
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This study investigates diurnal wind variations over the tropical ocean using satellite data and compares the results with existing reanalysis products, showing good consistency.
Ocean wind speed and/or wind vector measurements from the cyclone global navigation satellite system (CYGNSS), advanced scatterometer (ASCAT), and WindSat satellites are used to investigate diurnal wind variations over the tropical ocean using a method previously reported for diurnal amplitude estimation. The resulting diurnal variability in wind speed is examined in terms of its spatial and temporal properties. The results also show that the remotely sensed diurnal amplitudes obtained are largely consistent with those predicted by the existing reanalysis products such as the European Centre for Medium-range Weather Forecasts (ECMWF) ERA5.
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