基于氢氧稳定同位素和水化学的青藏高原高寒内陆流域水文过程示踪研究
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雷义珍, 曹生奎, 曹广超, 杨羽帆, 兰垚, 季雨桐, 李华非
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Hydrological process tracing study of the alpine inland basin of the Tibetan Plateau based on hydrogen and oxygen stable isotopes and hydrochemistry
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LEI Yizhen, CAO Shengkui, CAO Guangchao, YANG Yufan, LAN Yao, JI Yutong, LI Huafei
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表1 沙柳河流域降水氢氧稳定同位素组成平均值及其线性关系
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Tab. 1 The hydrogen-oxygen stable isotopic average compositions in precipitation and their linear relationships in Shaliu river basin
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| 类型 | 样品数 | 海拔（m） | 降水量（mm） | δD加权平均
值（‰） | δ18O加权平均
值（‰） | LWML | 相关系数（R2） | 显著性水平（p<） | | Y01 | 6 | 3470 | 317.6 | -54.10 | -9.04 | δD=8.29δ18O+19.73 | 0.93 | 0.010 | | Y02 | 6 | 3484 | 402.9 | -48.61 | -8.31 | δD=8.08δ18O+18.98 | 0.98 | 0.001 | | Y03 | 6 | 3582 | 455.5 | -49.56 | -8.48 | δD=9.11δ18O+28.33 | 0.98 | 0.001 | | Y04 | 6 | 3610 | 439.2 | -47.13 | -8.01 | δD=8.65δ18O+20.70 | 0.82 | 0.010 | | Y05 | 6 | 3614 | 524.4 | -45.04 | -7.77 | δD=8.82δ18O+23.86 | 0.93 | 0.010 | | Y06 | 5 | 3746 | 516.3 | -51.01 | -8.84 | δD=8.86δ18O+27.58 | 0.98 | 0.001 | | Y07 | 5 | 3917 | 418.2 | -43.27 | -8.22 | δD=8.75δ18O+28.49 | 0.99 | 0.001 | | Y08 | 5 | 4090 | 580.3 | -45.52 | -8.48 | δD=9.60δ18O+35.68 | 0.99 | 0.010 | | Y09 | 5 | 4182 | 475.0 | -61.31 | -10.43 | δD=8.00δ18O+21.81 | 0.99 | 0.001 | | Y01~Y09 | 50 | — | 458.8 | -46.72 | -8.15 | δD=8.43δ18O+22.71 | 0.94 | 0.001 |
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