Spatial dependence of diurnal temperature range trends on precipitation from 1950 to 2004

被引：156

作者：

Zhou, Liming ^{[1
,8
]}

Dai, Aiguo ^{[2
,9
]}

Dai, Yongjiu ^{[3
]}

Vose, Russell S. ^{[4
,10
]}

Zou, Cheng-Zhi ^{[5
,11
]}

Tian, Yuhong ^{[6
,12
]}

Chen, Haishan ^{[7
,13
]}

机构：

[1] Georgia Inst Technol, Sch Earth & Atmospher Sci, Atlanta, GA 30332 USA

[2] Natl Ctr Atmospher Res, P 3000, Boulder, CO 80307 USA

[3] Beijing Normal Univ, Sch Geog, Beijing 100875, Peoples R China

[4] Climate Anal Branch, Natl Climat Data Ctr, Asheville, NC 28801 USA

[5] Off Res & Applicat, NOAA NESDIS, Camp Springs, MD 20746 USA

[6] IMSG, NOAA NESDIS, Camp Springs, MD 20746 USA

[7] Nanjing Univ Informat Sci & Technol, Jiangsu Key Lab Meteorol Disaster, Nanjing 210044, Peoples R China

[8] Georgia Inst Technol, Sch Earth & Atmospher Sci, Atlanta, GA 30332 USA

[9] Natl Ctr Atmospher Res, Boulder, CO 80307 USA

[10] Natl Climat Ctr, Climate Anal Branch, Asheville, NC 28801 USA

[11] NOAA NESDIS, Off Res & Applicat, Camp Springs, MD 20746 USA

[12] NOAA NESDIS, IMSG, Camp Springs, MD 20746 USA

[13] Nanjing Univ Informat Sci & Technol, Jiangsu Key Lab Meteorol Disaster, Nanjing 210044, Peoples R China

来源：

CLIMATE DYNAMICS | 2009年 / 32卷 / 2-3期

基金：

中国国家自然科学基金; 美国国家科学基金会;

关键词：

Climate change and variability; DTR; Cloud cover; Precipitation; Land cover; SURFACE-TEMPERATURE; UNITED-STATES; CLIMATE; VEGETATION; SIMULATIONS; AEROSOLS; MAXIMUM; CLOUDS; IMPACT; MODIS;

D O I：

10.1007/s00382-008-0387-5

中图分类号：

P4 [大气科学（气象学）];

学科分类号：

0706 ; 070601 ;

摘要：

This paper analyzes the spatial dependence of annual diurnal temperature range (DTR) trends from 1950-2004 on the annual climatology of three variables: precipitation, cloud cover, and leaf area index (LAI), by classifying the global land into various climatic regions based on the climatological annual precipitation. The regional average trends for annual minimum temperature (T (min)) and DTR exhibit significant spatial correlations with the climatological values of these three variables, while such correlation for annual maximum temperature (T (max)) is very weak. In general, the magnitude of the downward trend of DTR and the warming trend of T (min) decreases with increasing precipitation amount, cloud cover, and LAI, i.e., with stronger DTR decreasing trends over drier regions. Such spatial dependence of T (min) and DTR trends on the climatological precipitation possibly reflects large-scale effects of increased global greenhouse gases and aerosols (and associated changes in cloudiness, soil moisture, and water vapor) during the later half of the twentieth century.

引用

页码：429 / 440

页数：12

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