长江源多年冻土区河流溶解性有机碳的时空动态和同位素特征
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李宇灏, 王根绪, 李阳, 宋春林
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Spatiotemporal variability and the carbon isotope of dissolved organic carbon in permafrost catchments of the Yangtze River source region
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Yuhao LI, Genxu WANG, Yang LI, Chunlin SONG
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表1 长江源区各研究流域概况
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Table 1 Characteristics of the Yangtze River source region study basins
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| 名称(简称) | 流域面积/km2 | 平均海拔/m | 平均比降/‰ | 河流级数 | 多年冻土覆盖率/% | 植被覆盖率/% | 平均水温/℃ | 平均pH | n |
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| 直门达(ZMD) | 138 000.0 | 3 532 | 2.4 | 8 | 77 | 54.9 | 9.8±3.6 | 8.16±0.24 | 18 | | 沱沱河(TTH) | 16 949.0 | 4 536 | 4.5 | 7 | 92 | 21.6 | 5.1±2.5 | 8.21±0.24 | 11 | | 雁石坪(YSP) | 4 538.0 | 4 744 | 5.7 | 6 | 98 | 30.8 | 6.5±2.9 | 8.15±0.25 | 10 | | 风火山1(FHS1) | 117.0 | 4 692 | 19.1 | 4 | 100 | 43.4 | 10.0±4.8 | 8.19±0.34 | 23 | | 风火山2(FHS2) | 18.3 | 4 706 | 32.2 | 2 | 100 | 32.3 | 10.3±5.7 | 8.05±0.28 | 23 | | 风火山3(FHS3) | 56.4 | 4 715 | 21.6 | 3 | 100 | 37.9 | 10.0±5.4 | 8.10±0.3 | 23 | | 风火山4(FHS4) | 30.1 | 4 749 | 29.4 | 3 | 100 | 52.5 | 10.4±5.7 | 8.10±0.36 | 23 | | 风火山5(FHS5) | 6.8 | 4 745 | 40.8 | 2 | 100 | 57.3 | 9.9±5.6 | 8.13±0.34 | 23 |
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