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Çѱ¹¼öÀÚ¿øÇÐȸ / v.16, no.4, 1983³â, pp.245-252
µ¿À§¿ø¼Ò¸¦ ÀÌ¿ëÇÑ ÇѰ­À¯¿ªÀÇ ÁöÇϼö¿Í ÁöÇ¥¼öÀÇ ¿¬°ü¼º¿¡ °üÇÑ ¿¬±¸
( Environment isotope aided studies on river water and ground water interaction in the Han River basin )
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Recently river water pollution in Korea is given rise to serious problem in aspect of crop production, drinking well, water contamination and etc. Under these urgent situations, it is prime importance to protect water resources from pollutants. An environmental isotope survey of the groundwater form the shallow alluvial and the underlying crystalline rock aquifer of the Han River Basin has been undertaken, Analysis of the data has I) confirmed the hypothesis that the groundwater from the metropolitan area is recharged from the river whereas that form the non-urbanized region of the Basin is replenished by the infiltrating precipitation; ii) shown that crystalline rock aquifers are recharged by the ground water form the overlying alluvium. Old groundwater is a group of wells with tritium values in the range of 0 to 2 TU. These low values indicate that the water sampled was recharged much ealier, at least a few decades, than the other groundwater samples of higher tritium content. The low values in this region may, in fact, reflect the effect of the impermeable clay layers which impede infilteration from the surface. Stable isotope evidence confirmed that a recharge in the karst area occurs at a significantly greater elevation than that to the alluvial aquifer. An analysis of the tritium level collected over an annual cycle suggests that the residence time of groundwater is probably not more than a few months. There does not appear to be any correlation between the trace level of Zn, Mn and Pb in the groundwater and the mechanism of the recharge.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.16, no.4, 1983³â, pp.245-252
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO198311920090803)
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