Estimation of pumpage from a riverside well at the lower reaches of the Songhua River

Abstract

As a kind of vital water resources exploitation mode, riverside pumping has the important advantage of maintaining the stability of water supply and purifying surface water quality. It is of great significance to estimate the pumpage from a riverside well for the sustainable utilization of water resources in the area. In this article, the method of image and Girinskii’s potential function are used to derive the pumpage. A case study in the Jamusi City shows that the pumpage from a riverside well varies from 9000 to 15000 m³/d. The sensitivity of factors (h₀ , K, S_max and r_w. ) is analysed, indicating that the influence degree from large to small is h₀, K, S_max, and r_w. Besides, h₀, K, S_max are far greater than r_w . It is hoped that this paper can provide some theoretical reference for the rational utilization of groundwater in the areas near the rivers.