Characteristics and Causes of the Drought Disaster in Dongting Lake in 2022
In recent years,the Dongting Lake area has frequently experienced drought and flood disasters due to various aspects,including climate change.To better cope with the drought disasters and reduce the disaster losses in Dongting Lake,this paper takes the 2022 drought in Dongting Lake as the research subject,analyzing the rainfall,evaporation,incoming water and reservoir storage conditions in Dongting Lake area.It also outlines the characteristics and causes of the 2022 drought in Dongting Lake and discusses the role and optimization space of the drought disaster prevention system in the area.The results indicate that the reduced rainfall,increased evaporation,diminished inflow from rivers and lakes and insufficient storage capacity of reservoir are the main causes of the drought in Dongting Lake.To address the drought disaster in Dongting Lake,it is essential to optimize the drought prevention system in the Dongting Lake area,and strengthen the water resources management to ensure the stability of water supply.This paper aims to enhance the understanding and awareness of drought disaster in Dongting Lake and provide references for corresponding water resource management and disaster prevention.
droughtprecipitationevaporationreservoir storageDongting Lake