Analysis of Water Level Changes and Driving Factors in Miyun Reservoir from 1960 to 2022
Based on the long-term monitoring data compilation of hydrological stations,remote sensing rainfall monitoring results from telemetry rainfall stations,historical precipitation and evaporation data of the watershed,and reservoir storage data,this paper comprehensively utilizes the methods of linear regression,water balance,correlation coefficient analysis,and relative evaluation to analyze the characteristics of water level variation in the Miyun Reservoir from 1960 to 2022 and its influencing factors.The paper concludes that the water level of the Miyun Reservoir has undergone five stages of rise and fall over the decades,showing an overall upward trend.Changes in inflow and outflow volumes due to human regulation and natural water interaction affect the rise or fall of the reservoir storage,serving as the main driving factors for water level fluctuations in the reservoir.This finding holds certain reference value for the safe operation and rational utilization of water resources in the Miyun Reservoir.
Miyun reservoirwater level characteristicsdriving factorsrainfall inflow waterreservoir regulation and storage
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