Abstract
Over the past 60 years, China has made fruitful achievements in the field of ocean microwave remote sensing satellite technology. A long-term plan has now been formulated for the development of Chinese ocean satellites, as well as the construction of a constellation of ocean dynamic environmental and ocean surveillance satellites. These will gradually form China’s ocean monitoring network from space, thereby playing important roles in future ocean resource and environmental monitoring, marine disaster prevention and reduction, and global climate change. In this review manuscript, the developmental history of ocean microwave satellites and the development status of oceanic microwave remote sensing satellites in China are reviewed. In addition, China’s achievements in the field of oceanic microwave remote sensing satellite technology are summarized, and the future development of China’s ocean microwave remote sensing satellite program is analysed.
Highlights
Introduction and Future Marine MicrowaveOceanic satellite remote sensing refers to the use of remote sensors for long-distance non-contact observations of marine areas
To more quickly obtain the dynamic environmental information of the majority of the global oceans, the HY-2C and HY-2D were designed with non-sun-synchronous inclined orbits, and only carry the payloads of radar altimeter, microwave scatterometer, calibration microwave radiometer (CMR), data collection system (DCS), and automatic identification system (AIS)
The obtained sea ice concentration values were found to be significantly lower than the ASI algorithm results, with the sea ice area reduced by approximately 15%
Summary
Oceanic satellite remote sensing refers to the use of remote sensors for long-distance non-contact observations of marine areas. The United States successfully launched the world’s first meteorological satellite “TIROS-1” [2] and obtained the sea surface temperature field from an altitude of approximately 700 km This achievement marked the beginning of the development of oceanographic research using satellite data. In 1997, China successfully achieved the independent reception of SeaWiFS oceanic colour satellite data of the United States, which provided high-quality, near real-time satellite data for the research and application of marine remote sensing technology in China. The gap in China’s independent high-resolution multi-polarized SAR marine remote sensing data acquisition was successfully filled. In this introduction, the development history of oceanic microwave satellite remote sensing technology during the past 70 years is reviewed. The future development of China’s marine microwave remote sensing satellite technology is analysed
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