Study on Urban Heat Island Effect based on Landscape Distribution in Arid Area—Taking Urumqi in China as Example

JOURNAL OF DESERT RESEARCH

2009, Vol. 29

Issue (5): 982-988 DOI:

天气与气候

Study on Urban Heat Island Effect based on Landscape Distribution in Arid Area—Taking Urumqi in China as Example

GONG Lu1,2,3, LV Guang-hui1,2,3

1.College of Resources and Environment Sciences, Xinjiang University, Urumqi 830046, China; 2.Key Laboratory of Oasis Ecology, Ministry of Education, Urumqi 830046, China; 3.International Center for Desert-Affairs Research for Sustainable Development in Semi-Arid and Arid Land, Urumqi 830046, China

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Abstract rban heat island is the most prominent characteristic of the temperature influenced by activity of human being, and has aroused widespread interests due to its effect on global warming, which therefore automatically leads to a newly-round academic craze on the research of climate, ecology and environment. With the acceleration of urbanization, urban heat island has gradually flown out of the water in the arid land. The present result is that there is a severe restriction on the city development of Urumqi and the health of its residents, both physically and psychologically due to the phenomenon of Urban Heat, Urban Dry, and Urban Turbidity. Based on temperature landscape distribution, change of heat island effect is studied from 1987 to 2005. Through the construction of appraisal system of temperature landscape, the following results are discovered: each type of temperature landscape in the city increased continually along with the urbanized advancement. The around high-temperature bare land being the main extended source, the urban heat island effect tends to be spreading. Many landscape indexes have been used to evaluate changes in temperature landscape and theirs shows that the landscape diversity and fractal dimension increased. Heating conglomeration, which formed by heating fragments in the-highest-temperature building represented the heating center.

Key words: urban heat island effect change of landscape arid area Urumqi City of China

Received: 03 April 2008 Published: 07 September 2009

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	GONG Lu
	LV Guang-hui

Cite this article:

GONG Lu;;LV Guang-hui;. Study on Urban Heat Island Effect based on Landscape Distribution in Arid Area—Taking Urumqi in China as Example. JOURNAL OF DESERT RESEARCH, 2009, 29(5): 982-988.

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http://www.desert.ac.cn/EN/ OR http://www.desert.ac.cn/EN/Y2009/V29/I5/982

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