XU Huajun,WANG Dantong,WANG Wenxin.Study of Correlation Between Soil Organic Carbon and Climate Factors in the Urumqi River Basin in the Northern Slope in the Middle Section of Tianshan Mountainous[J].Research of Soil and Water Conservation,2016,23(02):78-82.
乌鲁木齐河流域土壤有机碳与气候因子相关性研究
- Title:
- Study of Correlation Between Soil Organic Carbon and Climate Factors in the Urumqi River Basin in the Northern Slope in the Middle Section of Tianshan Mountainous
- Keywords:
- soil organic carbon; climate; northern slope of Tianshan
- 分类号:
- P962
- 摘要:
- 为了解土壤有机碳与气候因子的相关关系，对乌鲁木齐河流域6种不同土壤类型进行了研究，结果表明：土壤有机碳与水热指标之间呈现不同性质和程度的相关性，与降水指标呈较显著正相关，与各温度指标呈较显著负相关；不同土壤类型有机碳变化与水热指标间的相关关系呈现不同特征，相关程度虽有不同，但总体符合与降水正相关温度负相关的特征；通过人为控制研究区气温与降水指标条件进行偏相关分析，结果显示在控制温度的条件下降水增加有机碳含量可能减少；在控制降水的条件下温度升高有机碳含量可能增加。研究认为在未来较长时间序列，气候变化不会导致研究区土壤碳库容量大幅变化。
- Abstract:
- Six soil types in the Urumqi River Basin were adopted to analyze the correlations between soil organic carbon and climatic factors. The results show that the correlation between soil organic carbon and climatic factors has different features, soil organic carbon has significant positive correlation with precipitation index and significant negative correlation with the temperature index; different types of soil organic carbon change have different characteristics, but soil organic carbon change is positively related with precipitation index and negatively related with temperature index; if temperature and precipitation index conditions were artificially controlled in the study area, soil organic carbon may decrease with the increase of precipitation in setting temperature, soil organic carbon may increase with the rise of temperature in setting precipitation.
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备注/Memo
收稿日期:2015-03-21;改回日期:2015-04-28。
基金项目:新疆大学博士科研基金启动项目（BS100117）
作者简介:徐华君(1962-),男,上海市人,博士,副教授,主要从事自然资源与环境研究。E-mail:hjj_xu@163.com