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SAR-Based Wind Resource Assessment near the Coast of Fujian

Satellite remote sensing data is an important resource in the big data era. This study aims to investigate offshore wind resource near the coast of Fujian using high-resolution remote sensing data. Among all kinds of remote sensing sensors, the synthetic aperture radar (SAR) is a quite unique instrument that can monitor the earth's surface with very high spatial resolution under all-time and all-weather conditions. Totally over 2,340,000 data points from 102 Sentinel-1 SAR scenes are used to estimate the mean wind speed and direction. Wind power density at different heights of 10 m, 25 m, 50 m, and 90 m are then calculated to assess the offshore wind resource in the study area. The high wind speed and high energy density results show that the offshore wind resource is relatively stable and sufficient along the Fujian coast. The results found in this research from remote sensing data will help for evaluating of offshore wind energy resource and determining of potential locations of wind farms for China.