Hydrological balance

Arnold JG, Srinivasan R, Muttiah RS, Allen PM (1999) Continental scale simulation of the hydrologic balance. J Am Water Resour Assoc 35(5) 1037-1051... 

PetRACCO. C. Squarci, P. 1975. Hydrological balance of Larderello geothermal region. In Proceedings Second United Nations Symposium on the Development and Use of Geothermal... 

Hydrologic balance of the different stations, West Africa... 

The water recharge for the Maui fields was calculated with a simple hydrologic balance for each field using rainfall data from nearby rain gauges. Both fields were non-irrigated. A rainfall-runoff relationship was developed for each field using the USDA-Soil Conservation Service "curve number" approach. The validity of this approach for Hawaii conditions was demonstrated by Cooley and Lane (20). Potential evapotranspiration from pineapple fields was assumed to be one-third of pan evaporation throughout the study period, based on results of Ekern (21). but actual ET was adjusted for the water input for each month (3 ). 

The global water cycle operates between ocean and continent (Fig. 3.28) in this case, the complete equation of the hydrological balance is ... 

In the search for suitable sources of drinking water for public supply, long-term observations of the water source capacity and water quality are carried out. Water sources with permanent contamination from harmful substances are ruled out. It is also necessary to take into consideration the hydrological balance of the water source, as well as many other factors. 

D/H ratios of biomarkers are source-specific proxies for paleoenvironmental hydrologic balances and water sources. These ratios can be determined using a high-temperature (1450 °C) pyrolysis system that converts the hydrogen in the organic compounds into H2 gas for isotopic analysis (Burgoyne Hayes, 1998). Specialized GC-IRMS units can provide simultaneous measurements of biomarker concentrations and their D/H ratios (Hilkert et al., 1999). 

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