Khả năng cấp nước của hồ Tonle Sap trong mùa khô

Abstract

The Tonle Sap basin, with its central water store, Tonle Sap Lake, plays an very important role in the downstream of the lake (Cambodia and Vietnam) in both the wet and dry seasons. Although there have been studies on water supply capacity for the lake downstream in some cases, there is no study on water supply of the lake in the general case. Our research has solved this problem.

The study results showed that the flow from Tonle Sap Lake to the Mekong River in dry season is closely related to the annual flow of Mekong basins (annual flow at Kratie station). The results of the calculation of runoff according to the dry season months are in good agreement with the observed data in the 2013-2019 study period, and have shown that the lake plays an important role in its downstream water supply during the dry season. With low water and very little water years, the lake only has a significant effect from December to February; in March and April, the flow is negligible, even the flow backwards from the Mekong River to the lake.