黑河上游青海云杉森林生态系统蒸散发分割
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彭文丽, 赵良菊, 谢聪, 董玺莹, 刘全玉, 李瑞峰, 潘昭烨
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Evapotranspiration partitioning of the Picea crassifolia forest ecosystem in the upper reaches of the Heihe River
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Wenli PENG, Liangju ZHAO, Cong XIE, Xiying DONG, Quanyu LIU, Ruifeng LI, Zhaoye PAN
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表1 土壤蒸发和植物蒸腾对生态系统蒸散发的贡献率
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Table 1 Contribution rate of evaporation and plant transpiration to ecosystem evapotranspiration
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| 海拔-月份 | 研究时段 | TS/℃ | H/% | α+18O | αk18O | δ18OS | δ18OV | δ18OE | δ18OT | δ18OET | fT/% | fE/% |
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| 2 700 m-6月 | 06：00 - 11：00 | 12.3 | 44.8 | 1.011 | 1.019 | -2.6 | -14.2 | -32.5 | -5.7 | -18.5 | 52.2 | 47.8 | | 11：00 - 20：00 | 16.8 | 40.4 | 1.011 | 1.019 | -2.5 | -14.0 | -32.3 | -6.0 | -18.5 | 52.5 | 47.5 | | 平均值 | 14.5 | 42.6 | 1.011 | 1.019 | -2.6 | -14.1 | -32.4 | -5.9 | -18.5 | 52.3 | 47.7 | | 2 900 m-6月 | 06：00 - 11：00 | 6.9 | 80.7 | 1.011 | 1.019 | -6.2 | -15.4 | -33.6 | -7.7 | -12.9 | 79.9 | 20.1 | | 11：00 - 20：00 | 12.5 | 56.2 | 1.011 | 1.019 | -6.1 | -14.4 | -32.6 | -8.0 | -12.9 | 80.1 | 19.9 | | 平均值 | 9.7 | 68.5 | 1.011 | 1.019 | -6.2 | -14.9 | -33.1 | -7.9 | -12.9 | 80.0 | 20.0 | | 2 900 m-9月 | 06：00 - 11：00 | 5.2 | 64.9 | 1.011 | 1.019 | -6.7 | -13.0 | -31.2 | -7.4 | -10.2 | 88.2 | 11.8 | | 11：00 - 20：00 | 8.5 | 60.1 | 1.011 | 1.019 | -6.4 | -12.4 | -30.7 | -7.5 | -10.2 | 88.4 | 11.6 | | 平均值 | 6.9 | 62.5 | 1.011 | 1.019 | -6.6 | -12.7 | -30.5 | -7.5 | -10.2 | 88.3 | 11.7 |
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