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Title: Infiltration and groundwater recharge. Tritium: a direct probe

Technical Report ·
OSTI ID:5894936

The objective was to evaluate the groundwater recharge rate on the Falkirk mining site in western North Dakota. Thornthwaite's water balance method was used. This method uses mean monthly temperatures to estimate potential evapotranspiration. Thornthwaite's method was judged to provide sufficiently accurate estimates of evapotranspiration to allow calculation of groundwater recharge rates given precipitation and runoff data. This judgment was made by comparing Thornthwaite's method with the more comprehensive treatments of Jensen and Haise and the modified Penman method. All methods showed potential evapotranspiration to be greater than mean monthly precipitation during the summer months.

Research Organization:
North Dakota State Univ., Fargo (USA). Dept. of Chemistry
OSTI ID:
5894936
Report Number(s):
PB-83-182097
Country of Publication:
United States
Language:
English