[1]卢爱刚,熊友才.全球气候变化背景下近五十年中国湿度区域变化趋势[J].水土保持研究,2013,20(01):141-143.
　LU Ai-gang,XIONG You-cai.Systematic Change in Air Humidity in China over Last 50 Years under Global Climate Change[J].Research of Soil and Water Conservation,2013,20(01):141-143.
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全球气候变化背景下近五十年中国湿度区域变化趋势

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 20 期数: 2013年01期 页码: 141-143 栏目: 出版日期: 2013-02-28
Title:
Systematic Change in Air Humidity in China over Last 50 Years under Global Climate Change
作者:
卢爱刚1,2, 熊友才2
1. 渭南师范学院 化学与生命科学学院, 陕西 渭南 714000;
2. 陕西省多河流湿地生态环境重点实验室, 陕西 渭南 714000
Author(s):
LU Ai-gang1,2, XIONG You-cai2
1. College of Chemistry and Life Sciences, Weinan Teachers University, Weinan, Shaanxi 714000, China;
2. Key Laboratory for Eco-environment of Multi-river Wetlands in Shaanxi Province, Weinan, Shaanxi 714000, China
关键词:
气候变化; 中国; 过去五十年; 湿度
Keywords:
climate change; China; the past fifty years; humidity
分类号:
S152.7+1
摘要:
全球气候变化对国家尺度的农业及环境决策影响显著，研究全球气候变化下农业环境问题，对于农业的可持续发展有着积极的意义。运用实测的相对湿度月平均值，采用趋势分析方法，分析了过去50 a中国大气湿度的动态变化。结果发现：在全球升温背景下，中国相对湿度区域变化以95°E为分界线，95°E以西区域湿度普遍呈增大趋势，说明在全球变暖背景下，中国西部的湿度增大，呈现“暖湿化”趋势；95°E以东地区基本以相对湿度减小为主，呈现“暖干化”趋势，但个别区域湿度增大。在升温比较一致的情况下，各地湿度变化的趋势不同，主要是由降水变化的区域差异引起的。西北干旱区湿度的增大，对于西北干旱区的生态环境有着重要的意义，有利于这一地区的农业发展。
Abstract:
Global climate change on the national scale affected agricultural and environmental decision-making significantly. It’s significant to study the agricultural environment under global climate change. Long-term monthly relative humidity data and trend analysis method were used to study the relative humidity variation in China over the past fifty years. The results showed that the humidity generally increased west to 95°E while decreased east to 95°E, indicating a warming-wet trend in the western area and a warming-dry trend in the eastern area. The spatial difference of humidity contribution mainly resulted from precipitation for there was no much difference in temperature change. The increase of humidity in northwest China is good for agriculture.

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备注/Memo

收稿日期:2012-02-25;改回日期:2012-07-24。
基金项目:国家自然科学基金（41171061）；中国科学院寒区旱区环境与工程研究所冰冻圈科学国家重点实验室开放基金项目（SKLCS2010-09）；陕西省科技厅面上项目（2010JM5014）；陕西省教育厅科研项目（11JK0742）；渭南市科技局重大科技专项（2010GC1-6）
作者简介:卢爱刚(1968-),男,陕西富平人,博士,教授,主要从事全球变化区域响应研究。E-mail:lagx1088@163.com

更新日期/Last Update: 1900-01-01