SPATIAL AND TEMPORAL VARIATIONS OF EVAPORATION OVER SOUTH CHINA IN AUTUMN

XIAO Wei-jun; LIANG Yu-qiong; HE Ju-xiong; CHEN Bing-hong

Abstract:

The spatial and temporal variations of the instrument-based evaporation and actual evaporation in autumn during a 45-year period from 1960 to 2004 are studied using the observation data from 66 stations over South China. The results reveal that there are two main anomalous centers of the instrument-based evaporation in autumn in the central and northwestern parts of South China respectively. The instrument-based evaporation over the central part of South China in autumn experiences not only a decreasing trend but also a main interdecadal variation. The solar radiation is best correlated with the instrument-based evaporation among all affecting factors. For the actual evaporation, two main anomalous centers are located at the central and western parts of the South China respectively. The actual evaporation over the two regions illustrates an interannual variation. Among the affecting factors, precipitation is the most remarkable. The actual evaporation is usually 40 percent of the instrument-based one, and the overall rate has a slightly increasing trend from the southern part to the northern part of the South China in autumn.

Get Citation+

XIAO Wei-jun, LIANG Yu-qiong, HE Ju-xiong, et al. SPATIAL AND TEMPORAL VARIATIONS OF EVAPORATION OVER SOUTH CHINA IN AUTUMN [J]. Journal of Tropical Meteorology, 2008, 14(2): 157-160.

Export:

Article Metrics

SPATIAL AND TEMPORAL VARIATIONS OF EVAPORATION OVER SOUTH CHINA IN AUTUMN

Guangzhou Central Meteorological Observatory

Research Center for Monsoon and Environment / Department of Atmospheric Sciences, Sun Yat-Sen University

Abstract: The spatial and temporal variations of the instrument-based evaporation and actual evaporation in autumn during a 45-year period from 1960 to 2004 are studied using the observation data from 66 stations over South China. The results reveal that there are two main anomalous centers of the instrument-based evaporation in autumn in the central and northwestern parts of South China respectively. The instrument-based evaporation over the central part of South China in autumn experiences not only a decreasing trend but also a main interdecadal variation. The solar radiation is best correlated with the instrument-based evaporation among all affecting factors. For the actual evaporation, two main anomalous centers are located at the central and western parts of the South China respectively. The actual evaporation over the two regions illustrates an interannual variation. Among the affecting factors, precipitation is the most remarkable. The actual evaporation is usually 40 percent of the instrument-based one, and the overall rate has a slightly increasing trend from the southern part to the northern part of the South China in autumn.

HTML

Reference (16)

[1]	HOUGHTON J T, DING Y H, GRIGGS D G, et al. Climate Change 2001: The Science Basis // Contribution of Working Group 1 to the Third Assessment Report of the Intergovernmental Panel on Climate Change [R]. Cambridge: Cambridge University Press, 2001.
[2]	JIANG Tao, CHEN Yong-qin, CHEN Jun-he, et al. Impact studies of future climate change on hydrological regimes and water resources in China [J]. Acta Sci. Natural. Univ. Sunyatseni, 2000, (suppl.) (2): 151-157.
[3]	QIU Xin-fa, LIU Chang-ming, ZENG Yan. Changes of pan evaporation in the recent 40 years over the Yellow River Basin [J]. J. Natural Resources, 2003, 18(4): 437-442.
[4]	ZENG Yan. On the distributed model for actual evapotranspiration over the basin of Yellow River [D]. Beijing: Ph.D theses collection for Graduate School of the Chinese Academy of Sciences, 2004.
[5]	AN Yue-gai, LI Yuan-hua. Change of evaporation in recent 50 years in Hebei region [J]. J. Arid Land Resources & Environ., 2005, 19(4): 159-162.
[6]	WU Chuan-ming. Spatial and temporal distribution of evaporation for Fujian province and its interannual variation [J]. Hydraulic Sci. Technol., 2004(2): 1-5.
[7]	WANG Yan-jun, JIANG Tong, XU Chong-yu, et al. Trends of evapotranspiration in the Yangtze River basin in 1961-2000 [J]. Adv. Climate Change Res., 2005, 1(3): 99-104.
[8]	THOMAS A. Spatial and temporal characteristics of potential evapotranspiration trends over China [J]. Internat. J. Climatol., 2000, 20: 381-396.
[9]	HE Hai-yan. Features of dryness and wetness in Guangdong province during a period of nearly 40 years [J]. J. Trop. Meteor., 1998, 14(4): 297-305.
[10]	LIANG Jian-yin, WU Shang-sen. Formation reasons of drought and flood in the rain season of Guangdong and preceding impact factors [J]. J. Trop. Meteor., 2001, 17(2): 97-108.
[11]	DENG Li-ping, WANG Qian-qian. On the relationship between precipitation anomalies in the first raining season (April-June) in South China and SST over offshore waters in China [J]. J. Trop. Meteor., 2002, 18(1): 45-55.
[12]	CAI Xue-zhan, WANG Yan, XU Jin-jing. Diagnostic analysis of impact of convective activity anomalies over tropics on flood / drought during the first rainy season in South China [J]. J. Trop. Meteor., 2002, 18(2): 157-164.
[13]	DING Wei-yu, LIANG Jing-ping. Relationship between the variations of OLR over South China Sea and the precipitation in rainy seasons in South China [J]. J. Trop. Meteor., 2002, 18(3): 276-282.
[14]	HUANG Xian-xiang, YAN Li-jun, SHI Neng. Influence factors and prediction method on flood / drought during the first rainy season in South China [J]. J. Trop. Meteor., 2006, 22(5): 431-438.
[15]	TAKAHASHI Koichiro. Empirical equations for evaporation as calculated from monthly mean temperature and rainfall [J]. Weather, 1979, 26(12): 29-32.
[16]	JIAN Mao-qiu, QIAO Yun-ting, YUAN Zhuo-jian, et al. The impact of atmospheric heat sources over the eastern Tibetan Plateau and the tropical western Pacific on the summer rainfall over the Yangtze-River basin [J]. Adv. Atmos. Sci., 2006, 23(1): 149-155.

SPATIAL AND TEMPORAL VARIATIONS OF EVAPORATION OVER SOUTH CHINA IN AUTUMN

Abstract:

References

Get Citation+

Share Article

Article Metrics

Proportional views

Manuscript History

Online:

通讯作者: 陈斌, bchen63@163.com