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Analysis of Variation of Water Surface in Core Area of Huixian Karst Wetland Based on Multi-source Data
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Xin-yue PENG1, Hong-yan ZHANG2, Jun-feng DAI3, Jing-xuan XU4, Kai-hua BAI3, Bao-li XU2, Zhe-qing LI1
Water Resources and Power | 2023, 41(4) : 52 - 55
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Water Resources and Power | 2023, 41(4): 52-55
• HYDROLOGY, WATER RESOURCES AND ENVIRONMENT •
Analysis of Variation of Water Surface in Core Area of Huixian Karst Wetland Based on Multi-source Data
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Xin-yue PENG1, Hong-yan ZHANG2, Jun-feng DAI3, Jing-xuan XU4, Kai-hua BAI3, Bao-li XU2, Zhe-qing LI1
Affiliations
  • 1.College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
  • 2.Guangxi Collaborative Innovation Center for Water Pollution Control and Water Security in Karst Region, Guilin 541004, China
  • 3.Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin 541004, China
  • 4.Guilin Hydrology Center, Guilin 541000, China
Published: 2023-04-25 doi: 10.20040/j.cnki.1000-7709.2023.20220841
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Due to the disturbance of human activities and the influence of climate change, the water area of Mudong Lake, the core area of Huixian Wetland, the largest karst landform original wetland in the Lijiang River Basin, has shrunk and faced severe ecological and environmental risks. Using the Sentinel remote sensing image data of 65 scenes from 2017 to 2021, the water area of Mudong Lake was extracted by random forest classification. The temporal and spatial changes of the water area of Mudong Lake in the past five years were analyzed to explore the correlation between the water level and area of Mudong Lake. The results show that the water area of Mudong Lake has been relatively stable in the past five years, but the changes in the wet and dry periods are obvious; The area changes are mainly distributed in the northern part of the lake area; The correlation between water level and area is relatively good, and the correlation coefficients of different water periods are different; The correlation coefficients of the wet periods and dry season are 0.90 and 0.60, respectively.

wetlands  /  water surface area  /  water level  /  remote sensing images  /  abundant and dry periods
Xin-yue PENG, Hong-yan ZHANG, Jun-feng DAI, Jing-xuan XU, Kai-hua BAI, Bao-li XU, Zhe-qing LI. Analysis of Variation of Water Surface in Core Area of Huixian Karst Wetland Based on Multi-source Data[J]. Water Resources and Power, 2023 , 41 (4) : 52 -55 . DOI: 10.20040/j.cnki.1000-7709.2023.20220841
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20220841
  • Receive Date：2022-04-24
  • Online Date：2026-01-27
  • Published：2023-04-25
Article Data
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History
  • Received：2022-04-24
  • Revised：2022-06-24
Funding
Affiliations
    1.College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
    2.Guangxi Collaborative Innovation Center for Water Pollution Control and Water Security in Karst Region, Guilin 541004, China
    3.Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin 541004, China
    4.Guilin Hydrology Center, Guilin 541000, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2023.20220841
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表12种不同金属材料的力学参数
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Number of
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Number of
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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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