Acta Geographica Sinica ›› 2021, Vol. 76 ›› Issue (9): 2269-2282.doi: 10.11821/dlxb202109016
• Climate Change and Land Surface Process • Previous Articles Next Articles
ZHANG Junhua1,2(), ZHU Lianqi1,2, LI Guodong1,2(
), ZHAO Fang1,2, QIN Jingting1,2
Received:
2020-06-29
Revised:
2021-07-06
Online:
2021-09-25
Published:
2021-11-25
Contact:
LI Guodong
E-mail:oklgd@163.com;liguodong@henu.edu.cn
Supported by:
ZHANG Junhua, ZHU Lianqi, LI Guodong, ZHAO Fang, QIN Jingting. Spatial patterns of SOC/TN content and their significance for identifying the boundary between warm temperate and subtropical zones in China's north-south transitional zone[J].Acta Geographica Sinica, 2021, 76(9): 2269-2282.
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Tab. 1
Statistical characteristics of soil properties in the study area
指标 | 最小值 | 最大值 | 平均值 | 标准差 | 偏度 | 峰度 |
---|---|---|---|---|---|---|
有机碳(g/kg) | 0.64 | 71.40 | 21.49 | 18.31 | 1.00 | -0.39 |
全氮(mg/kg) | 110. 00 | 7710.00 | 1918.95 | 1408.34 | 0.80 | -0.78 |
pH | 4.60 | 8.80 | 6.30 | 1.25 | 0.27 | -0.99 |
土壤颗粒 | ||||||
0.2~2mm | 0.00 | 95.49 | 18.00 | 18.26 | 1.77 | 4.25 |
0.02~0.2mm | 0.00 | 74.26 | 34.13 | 15.09 | -0.44 | 0.55 |
0.002~0.02mm | 1.20 | 66.10 | 30.63 | 12.42 | 0.59 | 0.01 |
<0.002mm | 3.10 | 52.22 | 18.70 | 6.68 | 0.48 | 0.67 |
Tab. 3
Climate indices for the transitional area between the southern slope of the Qinling Mountains and the northern slope of the Daba Mountains
气候指标 | 秦岭南坡 | 大巴山北坡 | 嘉陵江以西 |
---|---|---|---|
1月气温(℃) | -4~4(1) | -2~4(2) | -3~5(2) |
7月气温(℃) | 16~28(25) | 18~28(25) | 18~25(23) |
MT(℃) | 7~16(13) | 8~16(14) | 9~16(13) |
MP(mm) | 678~1152(834) | 739~1494(936) | 560~1578(1022) |
MP春(mm) | 142~239(180) | 151~317(221) | 120~208(168) |
MP夏(mm) | 316~562(402) | 315~697(417) | 312~962(575) |
MP秋(mm) | 169~370(231) | 203~416(268) | 140~327(240) |
MP冬(mm) | 5~33(19) | 9~42(24) | 6~45(16) |
MT春(℃) | 8~16(13) | 8~16(14) | 10~16(14) |
MT夏(℃) | 15~27(24) | 16~27(24) | 17~25(22) |
MT秋(℃) | 8~16(14) | 8~17(14) | 9~16(13) |
MT冬(℃) | -3~5(2) | -1~6(3) | -1~6(3) |
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