globalchange  > 气候变化与战略
CSCD记录号: CSCD:5748767
论文题名:
基于标准化降水蒸散指数的中国东部季风区干旱特征分析
其他题名: Analysis of Drought Characteristics of the East China Monsoon Area Based on Standardized Precipitation Evapotranspiration Index
作者: 马彬1; 张勃1; 周丹2; 张耀宗1; 王国强1; 唐敏1
刊名: 自然资源学报
ISSN: 1000-3037
出版年: 2016
卷: 31, 期:7, 页码:2965-2973
语种: 中文
中文关键词: 标准化降水蒸散指数 ; 格点数据 ; 东部季风区 ; 干旱特征
英文关键词: standardized precipitation evapotranspiration index ; gridded dataset ; East China monsoon area ; drought characteristics
WOS学科分类: METEOROLOGY ATMOSPHERIC SCIENCES
WOS研究方向: Meteorology & Atmospheric Sciences
中文摘要: 研究基于标准化降水蒸散指数,采用0.5°*0.5°中国地面气温和降水数据集,通过分析东部季风区季节和年尺度干旱覆盖率、频率以及单位面积干旱强度,揭示了中国东部季风区19612013年干旱特征时空分布变化。研究结果表明:近20 a东部季风区干旱特征变化明显,特别是1997年之后东部季风区干旱覆盖率和单位面积干旱强度显著增加;东北地区、华北平原、黄土高原和西南地区干旱频率增加,高频率覆盖范围扩大明显;气象干旱极端危险区扩大。全球变暖背景下东部季风区干旱呈现出极端化趋势。
英文摘要: In this paper, the gridded Chinese ground precipitation and temperature dataset with spatial resolution of 0.5°* 0.5° released by National Meteorological Information Center and the standardized precipitation evapotranspiration index (SPEI) were used to analyze the drought coverage rate, the occurrence frequency of drought, and the intensity of drought in unit area. It reveals the temporal and spatial variations of drought characteristics in East China monsoon region from 1961 to 2013. The results showed that there were obvious changes of drought characteristics in the East China monsoon area in recent 20 years; the drought coverage rate and the intensity of drought per unit area had significant growing trend; the occurrence frequency of droughts had grown in Northeast China, North China, Loess Plateau and Southwest China; the areas with high frequencies of droughts and the extremely danger areas had obviously expanded. There was an externalized trend of drought in East China monsoon area under the background of global warming.
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/152033
Appears in Collections:气候变化与战略

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作者单位: 1.西北师范大学地理与环境科学学院, 兰州, 甘肃 730070, 中国
2.青海省气象服务中心, 西宁, 青海 810001, 中国

Recommended Citation:
马彬,张勃,周丹,等. 基于标准化降水蒸散指数的中国东部季风区干旱特征分析[J]. 自然资源学报,2016-01-01,31(7):2965-2973
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