基于地理加权回归的青藏高原季节冻土区土壤有机碳空间分布研究
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王栋, 吴晓东, 魏献花, 吴通华, 赵林, 李韧, 胡国杰, 邹德富, 李旺平
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Modelling soil organic carbon distribution in the seasonally frozen ground area on the Qinghai-Tibet Plateau using the geographically weighted regression
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Dong WANG, Xiaodong WU, Xianhua WEI, Tonghua WU, Lin ZHAO, Ren LI, Guojie HU, Defu ZOU, Wangping LI
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表5 青藏高原季节冻土区不同土壤类型SOC储量和总量
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Table 5 Summary of estimated SOC stocks and storages of different soil types in seasonally frozen ground region on the Qinghai-Tibet Plateau
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土壤类型 | 面积/(103 km2) | SOCS/(kg·m-2) | SOC总量/Pg |
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0 ~ 30 cm | 0 ~ 50 cm | 0 ~ 100 cm | 0 ~ 200 cm | 0 ~ 30 cm | 0 ~ 50 cm | 0 ~ 100 cm | 0 ~ 200 cm |
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棕色针叶林土 | 16.05 | 5.65 | 6.71 | 8.25 | 11.12 | 0.09 | 0.11 | 0.13 | 0.18 | 黄棕壤 | 14.81 | 8.27 | 9.10 | 11.55 | 15.37 | 0.12 | 0.13 | 0.17 | 0.23 | 棕壤 | 39.91 | 10.82 | 11.84 | 15.14 | 20.01 | 0.43 | 0.47 | 0.60 | 0.80 | 暗棕壤 | 70.48 | 10.86 | 12.07 | 14.56 | 19.25 | 0.77 | 0.85 | 1.03 | 1.36 | 褐土 | 22.21 | 7.28 | 8.53 | 11.21 | 14.93 | 0.16 | 0.19 | 0.25 | 0.33 | 灰褐土 | 23.59 | 8.25 | 10.28 | 12.60 | 16.72 | 0.19 | 0.24 | 0.30 | 0.39 | 黑钙土 | 7.22 | 9.04 | 12.68 | 15.67 | 20.68 | 0.07 | 0.09 | 0.11 | 0.15 | 栗钙土 | 27.10 | 4.87 | 6.96 | 9.37 | 12.56 | 0.13 | 0.19 | 0.25 | 0.34 | 棕钙土 | 49.46 | 2.20 | 2.70 | 2.80 | 4.10 | 0.11 | 0.13 | 0.14 | 0.20 | 灰棕漠土 | 41.39 | 0.47 | 0.74 | 1.33 | 2.20 | 0.02 | 0.03 | 0.06 | 0.09 | 棕漠土 | 39.46 | 2.19 | 2.37 | 2.74 | 4.02 | 0.09 | 0.09 | 0.11 | 0.16 | 新积土 | 2.87 | 2.46 | 3.18 | 3.91 | 5.53 | 0.01 | 0.01 | 0.01 | 0.02 | 风沙土 | 42.13 | 0.76 | 1.09 | 1.35 | 2.23 | 0.03 | 0.05 | 0.06 | 0.09 | 石质土 | 21.66 | 2.03 | 2.56 | 2.82 | 4.12 | 0.04 | 0.06 | 0.06 | 0.09 | 粗骨土 | 7.80 | 4.29 | 4.99 | 6.13 | 8.39 | 0.03 | 0.04 | 0.05 | 0.07 | 草甸土 | 34.22 | 5.12 | 6.33 | 7.86 | 10.62 | 0.18 | 0.22 | 0.27 | 0.36 | 沼泽土 | 17.83 | 8.44 | 10.19 | 12.67 | 16.82 | 0.15 | 0.18 | 0.23 | 0.30 | 泥炭土 | 2.12 | 12.55 | 14.94 | 18.23 | 23.98 | 0.03 | 0.03 | 0.04 | 0.05 | 盐土 | 32.58 | 0.75 | 1.11 | 1.51 | 2.44 | 0.02 | 0.04 | 0.05 | 0.08 | 灌淤土 | 1.75 | 5.63 | 9.45 | 10.08 | 13.48 | 0.01 | 0.02 | 0.02 | 0.02 | 草毡土 | 260.67 | 8.29 | 9.73 | 11.97 | 15.91 | 2.16 | 2.54 | 3.12 | 4.15 | 黑毡土 | 195.42 | 10.53 | 12.36 | 14.88 | 19.66 | 2.06 | 2.42 | 2.91 | 3.84 | 寒钙土 | 277.16 | 2.02 | 2.71 | 3.68 | 5.23 | 0.56 | 0.75 | 1.02 | 1.45 | 冷钙土 | 94.51 | 1.97 | 2.61 | 3.24 | 4.66 | 0.19 | 0.25 | 0.31 | 0.44 | 棕冷钙土 | 8.29 | 2.99 | 3.78 | 3.98 | 5.62 | 0.02 | 0.03 | 0.03 | 0.05 | 寒漠土 | 2.02 | 0.94 | 1.37 | 2.23 | 3.36 | <0.01 | <0.01 | <0.01 | 0.01 | 冷漠土 | 2.79 | 1.26 | 1.70 | 2.30 | 3.45 | <0.01 | <0.01 | 0.01 | 0.01 | 寒冻土 | 36.55 | 4.86 | 5.49 | 7.04 | 9.56 | 0.18 | 0.2 | 0.26 | 0.35 | 砖红壤 | 2.73 | 3.67 | 3.95 | 4.22 | 5.93 | 0.01 | 0.01 | 0.01 | 0.02 | 赤红壤 | 3.70 | 3.62 | 3.91 | 4.42 | 6.18 | 0.01 | 0.01 | 0.02 | 0.02 | 红壤 | 2.17 | 6.76 | 7.01 | 13.56 | 17.96 | 0.01 | 0.02 | 0.03 | 0.04 | 黄壤 | 6.81 | 5.03 | 5.72 | 6.08 | 8.32 | 0.03 | 0.04 | 0.04 | 0.06 |
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