Cold and Hot Groundwater Systems

Temperature data closely reflect hydrological conditions, and several groups may accordingly be distinguished  

Discharge is the measure of the amount (volume) of water emerging from a spring, or pumped from a well, per unit time. A wide array of discharge units exist in the literature, but cubic meters per hour (m3/h) is recommended. Discharge may, in certain cases, be measured in the field 

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A third example, given in Fig. 4.26, reveals a case in which recharge varied seasonally in a spring, and temperature and chlorine content varied 

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