| 黑龙江省土壤湿度及其对气温和降水的敏感性分析 |
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| 引用本文： | 王丹,南瑞,韩俊杰,高永刚,李秀芬,孙彦坤.黑龙江省土壤湿度及其对气温和降水的敏感性分析[J].气象与环境学报,2012,28(2):49-53. |
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| 作者姓名： | 王丹 南瑞 韩俊杰 高永刚 李秀芬 孙彦坤 |
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| 作者单位： | 1.东北农业大学，黑龙江 哈尔滨 150030；2. 黑龙江省气象局，黑龙江 哈尔滨 150001；3. 黑龙江省气象科学研究所，黑龙江 哈尔滨 150030 |
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| 基金项目： | 黑龙江省气象局“黑龙江省土壤水分变化对粮食产量的影响研究”项目 |
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| 摘 要： | 气温和降水量变化是影响土壤湿度变化的主要原因，研究土壤湿度对气温和降水的敏感性对区域农业生产、生态环境治理和经济可持续发展有重要意义。采用1984-2007年黑龙江省73个气象观测站的气温、降水数据和13个土壤湿度观测站土壤观测数据，利用EOF、相关分析等数理分析方法，对黑龙江省土壤湿度与气温、降水量之间的关系进行了研究。结果表明：1984-2007年黑龙江省土壤湿度变化在不同区域存在差异：除三江平原中西部地区外，大部分农区土壤湿度变化趋势一致，20世纪90年代中期以前基本偏湿，而90年代中期以后则为偏干，2001年偏干严重。土壤湿度对气候变化响应的敏感性也不同，松嫩平原（西南部除外）是土壤湿度对气温和降水变化敏感区域；松嫩平原西南部对气温敏感；伊春南部地区-哈尔滨东部-三江平原西部为降水敏感区；逊克、伊春北部、牡丹江和三江平原东部土壤湿度对气温和降水均不敏感。
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| 关 键 词： | 土壤湿度 气温 降水 敏感性 |
Characteristics of soil humidity and its sensitivity to temperature and precipitation in Heilongjiang province |
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| WANG Dan,NAN Rui,HAN Jun-jie,GAO Yong-gang,LI Xiu-fen,SUN Yan-kun.Characteristics of soil humidity and its sensitivity to temperature and precipitation in Heilongjiang province[J].Journal of Meteorology and Environment,2012,28(2):49-53. |
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| Authors: | WANG Dan NAN Rui HAN Jun-jie GAO Yong-gang LI Xiu-fen SUN Yan-kun |
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| Institution: | 1. Northeast Agricultural University, Harbin 150030, China; 2. Heilongjiang Meteorological Service, Harbin 150001, China; 3. Heilongjiang Provincial Institute of Meteorological Sciences, Harbin 150030, China |
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| Abstract: | Temperature and precipitation are mainly impacting factors to soil humidity,and it is important to regional agricultural production,ecological environment improvement and economic sustainable development.Based on temperature and precipitation data at 73 weather stations from 1984 to 2007 in Heilongjiang province,and soil humidity data from 13 soil observational stations,the relationships between soil humidity and temperature,precipitation were analyzed using methods of an EOF and a correlation analysis.The results indicated that soil humidity differs in the different regions of Heilongjiang province from 1984 to 2007.The variation trends of soil humidity are consistent in most agricultural regions except in the middle and west of the Sanjiang plain.Soil is wet before the middle period of 1990s and becomes dry afterwards,while it is seriously dry in 2001.The sensitivity of the soil humidity to climate change differs.Soil humidity is sensitive to temperature in the Songnen plain and to precipitation in the Songnen plain except that in the west and south of the Songnen plain and in the regions of the southern Yichun,the eastern Harbin and the western Sanjiang plain,while it is not sensitive to temperature and precipitation in the regions of Xunke,the northern Yichun,Mudanjiang and the eastern Sanjiang plain. |
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| Keywords: | Soil humidity Temperature Precipitation Sensitivity |
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