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Estimation of hot spring water input and evaporation at Pyramid Lake, Nevada, USA

机译:美国内华达州金字塔湖温泉水输入量和蒸发量的估算

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Stable isotope and major and trace element compositions have been analyzed for Pyramid Lake waters, Truckee River water, and hot spring water. Simple calculations to model the composition of Pyramid Lake waters using conservative components (B, Bt, Cl, K, Na, SO4, SO4-δ34S), mixing between Truckee River and hot spring water (PYR1) compositions, and subsequent evaporation produce a consistent set of Truckee River water: hot spring water (PYR1) mixing ratios and amount of evaporative concentration. These calculations imply a hot spring discharge rate of between 240 and 760 l/sec into the lake, which represents a high discharge rate, but feasible in light of known current and historical hot spring activity in the area. These results confirm the promising nature of the region as a geothermal exploration target area, and suggest that the composition of the lake waters can largely be explained by mixing of Truckee River water and hot spring waters, together with simple evaporation.
机译:已对金字塔湖水,特拉基河水和温泉水的稳定同位素以及主要和微量元素组成进行了分析。通过使用保守成分(B,Bt,Cl,K,Na,SO4,SO4-δ34S),特拉基河和温泉水(PYR1)成分混合以及随后的蒸发产生的一致模型,对金字塔湖水域的成分进行简单计算即可设置的特拉基河水:温泉水(PYR1)的混合比和蒸发浓度。这些计算表明温泉向湖中的排放量介于240至760 l / sec之间,这代表着较高的排放量,但考虑到该地区已知的当前和历史温泉活动,这是可行的。这些结果证实了该地区作为地热勘探目标区域的广阔前景,并表明在很大程度上,可以通过将特拉基河水和温泉水混合以及简单的蒸发来解释湖水的组成。

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