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英山地下热水起源于大气降水,是具统一补给系统的深循环水,地下热δ~(18)O值的分布规律表明地下热水运动由北向南迳流;在东汤河温泉区、城关镇一带由于存在浅层地下水混合作用,热水水温较低,而浅层地下水混合比例约为21.9—39.02％,并随着地下热水的长期开采,δ~(18)O值时间上的变化反映出英山北汤河温泉区和城关镇之地下热水接受补给的比例均在增大。对于地下热水补给区高度,经计算为高程在310米,而在英山北部山区在300—500米高程地带,断裂(挤压破碎带)、裂隙与各期岩体发育,岩石破碎,是利于地表水或大气降水长期渗入补给的,而补给速度则是缓慢的。本文对于研究湖北省东部地区地热的机制,地下热水的开发与保护有积极的意义。
The underground hot water in Yingshan originates from the atmospheric precipitation and is a deep-circulating water with a unified recharge system. The distribution of δ 18 O value indicates that underground hot water flows from north to south. In Dongyuehe hot spring area, Due to the mixing effect of shallow groundwater in Chengguan Town, the water temperature of hot water is low while the mixing ratio of shallow groundwater is about 21.9-39.02%. With the long-term exploitation of underground hot water, the δ ~ (18) O value of time The changes reflect the increasing proportion of the supply of underground hot water in Beiyanghe Hot Spring Area and Chengguan Town in Yingshan. For the height of the underground hot water recharge zone, the elevation is calculated to be 310 meters, while in the northern part of the Yingshan Mountains in the 300-500 meter elevation zone, the fractures (crushed crushed zones), the fractures and the various rock masses develop and the rocks are broken up Benefit from the long-term infiltration of surface water or precipitation recharge, while the supply rate is slow. This article is of great significance to the study of the geothermal mechanism in the eastern part of Hubei Province and the development and protection of underground hot water.