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After the launch of China’s HY-2B altimeter in October 2018, NSOAS (National Satellite Ocean Application Service) conducted a HY-2B altimetry calibration experiment in Wanshan, Zhuhai. The experiment used the tide gauge along the coast to conduct the calibration experiment from November 3, 2018 to December 12, 2018, near the sub-satellite point of the HY-2B transit orbit 375 on Zhiwan Island. During the experiment period, HY-2B revisited the calibration point three times, and the results showed that the three-period HY-2B altimetry calibration bias were (3.06±3.48) cm, (2.85±1.03) cm, −7.41 cm; there was a certain drift in the calibration bias in the first three cycles, and subsequent calibration work was required to determine the cause of the drift.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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