Determination method of planar potential replenishment quantity of underground water based on isotope rainfall effect

Abstract

The invention discloses a determination method of planar potential replenishment quantity of underground water based on an isotope rainfall effect. The method comprises the steps that a vadose zone interception threshold model is established; a determined rainfall material and an underground water material are brought into the vadose zone interception threshold model for solving; vadose zone interception water quantity, namely minimum replenishment rainfall of the underground water is obtained; and then the potential replenishment quantity of the underground water is calculated. The method achieves replenishment of hydrogeological underground water, provides a novel reliable method, promotes development of a hydrogeological discipline, scientifically and reasonably determines the planar potential replenishment quantity of regional underground water, facilitates optimal allocation of an underground water resource, provides reliable data for water resource management, provides more detailed scientific support for further establishing economic development and ecological protection measures, can be directly applied to calculation and evaluation of a regional underground water resource, improves the applicability of a determination result, and avoids a possible error in a scale conversion process of the determination result.

Description

technical field [0001] The invention belongs to the technical field of hydrogeology, in particular to a method for measuring surface-like potential recharge of groundwater based on the isotope rainfall effect. Background technique [0002] Arid areas usually face many environmental problems such as water shortage and fragile ecological environment, and the participation of human activities often makes these problems more prominent. For example, in the Ordos Basin, precipitation recharge is the only source of groundwater recharge. Water is a necessity for human life and an important factor for maintaining economic and social development. Accurate evaluation of groundwater surface recharge in arid areas is the key to scientific and rational management of water resources. [0003] However, groundwater surface recharge is one of the top ten unsolved problems in the field of hydrogeology. At present, when calculating the surface potential recharge of groundwater in the industry...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for measuring the surface potential recharge of groundwater based on the isotope rainfall effect, aiming to solve the large uncertainty in the current calculation method of surface potential recharge of groundwater, the calculation results are inaccurate, and the groundwater is seriously restricted. Optimal allocation of resources, increasing the difficulty of water resource management

Images