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In view of the relatively serious drought in the Feiyun River basin in recent years, the inability to effectively utilize the regulating capacity of the counter-regulating reservoir, and the inability to effectively guarantee the timeliness and scientificity of the operation, which affect the water supply safety of nearly 6 million people in Wenzhou, the anti-drought operation model and data center of the Feiyun River basin are established. The real-time data of rainfall, water level, water supply flow and ecological flow of multiple reservoirs in the basin are quoted. The meteorological data including 1 h, 3 h, 6 h short-term and imminent grid forecast data, and 1 d, 3 d, 7 d, 15 d, 30 d, 90 d and other long-term rainfall forecast data are introduced. Combined with water and soil moisture in the basin, reservoir and basin evaporation, support vector regression (SVR) calculation method is used to develop a distributed digital twinning business system based on SPARK components, which realizes early warning of available water supply, drought-resistant water level early warning, drought-resistant days early warning and ecological flow early warning, increases the use of the anti-regulation storage capacity of 2.8 million cubic meters and the reserve storage capacity of 2.93 million cubic meters. Thus, it provides data basis and technical support for the drought-resistant decision-making, scientific scheduling and "four pre-" realization in the Feiyun River basin.
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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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