Based on the long-term Landsat remote sensing data,the dynamic changes in the water area of Chahannaoer from 1986 to 2020 were analyzed,and the influencing factors of lake changes were analyzed combined with meteorolo...Based on the long-term Landsat remote sensing data,the dynamic changes in the water area of Chahannaoer from 1986 to 2020 were analyzed,and the influencing factors of lake changes were analyzed combined with meteorological data and human factors.The results show that in the past 35 years,the water area of Chahannaoer tended to reduce obviously on the whole;annual average evaporation and annual average relative humidity gradually decreased,and annual average temperature,annual average precipitation,and annual average wind speed increased.Precipitation and relative humidity were significantly positively correlated with water area;temperature and average wind speed were negatively correlated with water area,but the correlation was not significant;there was a weak correlation between evaporation and water area.Precipitation and relative humidity were the main climatic factors affecting the change of water area in Chahannaoer.展开更多
基金Supported by Science and Technology Innovation Project of Inner Mongolia Autonomous Region Meteorological Bureau(nmqxkjcx202112)。
文摘Based on the long-term Landsat remote sensing data,the dynamic changes in the water area of Chahannaoer from 1986 to 2020 were analyzed,and the influencing factors of lake changes were analyzed combined with meteorological data and human factors.The results show that in the past 35 years,the water area of Chahannaoer tended to reduce obviously on the whole;annual average evaporation and annual average relative humidity gradually decreased,and annual average temperature,annual average precipitation,and annual average wind speed increased.Precipitation and relative humidity were significantly positively correlated with water area;temperature and average wind speed were negatively correlated with water area,but the correlation was not significant;there was a weak correlation between evaporation and water area.Precipitation and relative humidity were the main climatic factors affecting the change of water area in Chahannaoer.
