WANG Yan-ping,MENG Jun,SONG Wei-shi,et al.Analysis on the Relationship Between Soil Moisture and Climate Change in Hulunbeier City[J].Research of Soil and Water Conservation,2009,16(04):255-258,263.
呼伦贝尔市土壤水分与气候变化的关系
- Title:
- Analysis on the Relationship Between Soil Moisture and Climate Change in Hulunbeier City
- Keywords:
- Hulunbeier city; soil moisture; climate change
- 分类号:
- S152.7;P467
- 摘要:
- 采用统计回归方法，利用基本代表呼伦贝尔市土壤类型的3个农牧业气象观测站1988-2007年的气象和土壤水分观测资料进行分析，结果表明：呼伦贝尔市年降水量变化呈显著或极显著下降趋势，年变化率为8.275～10.347 mm/a，年平均气温上升趋势不明显；0-50 cm土壤水分含量以3.816 2～0.723 6 mm/a速度逐年剧减，农区、林区达极显著水平，土壤干旱化程度加重；土壤水分含量与4-10月平均气温呈极显著负相关关系，与年降水量呈极显著正相关关系；气候变化对土壤水分的影响效应主要集中体现在夏秋季节，达到极显著水平。
- Abstract:
- By Using statistical regression methods and analyzing soil moisture and weather data of 3 meteorological observation stations for agriculture and animal husbandry of Hulunbeier city from 1988 to 2007, results showed that annual precipitation of Hulunbeier city changes were decline trends significantly, annual change rate ranged 8.275~10.347 mm/a, the average annual temperature was not obvious on the rise. The soil moisture content of 0-50 cm soil depth declined sharply at the rate of 3.816 2~0.723 6 mm/a year by year, reaching to significant or very significant level in the agricultural area and forest area, soil drought degree increased. The soil moisture was negatively related to the temperature from April to October and positively related to the annual precipitation significantly. The effects of climate change on soil moisture concentrated in the summer and fall seasons, reaching significant levels.
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备注/Memo
收稿日期:2009-02-05。
基金项目:呼伦贝尔市科技攻关项目（20050105）
作者简介:王彦平（1974-），女，内蒙古锡盟人，硕士，工程师，主要从事农业气象研究。E-mail：fei-Ping@sohu.com
通讯作者:赵慧颖（1964-），男，研究员，主要从事农业气象研究。E-mail：zhaohhyy2008@yahoo.com.cn