Effects of urbanization on daily temperature extremes in North China

doi:10.1007/s11442-014-1092-4

›› 2014, Vol. 24 ›› Issue (2): 349-362.doi: 10.1007/s11442-014-1092-4

• Research Articles • 上一篇下一篇

Effects of urbanization on daily temperature extremes in North China

SI Peng¹, ZHENG Zuofang², REN Yu³, LIANG Dongpo³, LI Mingcai³, SHU Wenjun⁴

1. Tianjin Meteorological Information Center, Tianjin Meteorological Bureau, Tianjin 300074, China;
2. Institute of Urban Meteorology, China Meteorological Administration, Beijing 100089, China;
3. Tianjin Climate Center, Tianjin Meteorological Bureau, Tianjin 300074, China;
4. Beijing Climate Center, Beijing Meteorological Bureau, Beijing 100089, China

收稿日期:2013-05-07 修回日期:2013-08-10 出版日期:2014-04-15 发布日期:2014-03-24
作者简介:Si Peng (1983-), Master and Engineer, specialized in climate change, climate data analysis and processing. E-mail：spsbox@163.com
基金资助:
Urban Meteorological Research Fund of CMA, No.UMRF201009

Effects of urbanization on daily temperature extremes in North China

SI Peng¹, ZHENG Zuofang², REN Yu³, LIANG Dongpo³, LI Mingcai³, SHU Wenjun⁴

1. Tianjin Meteorological Information Center, Tianjin Meteorological Bureau, Tianjin 300074, China;
2. Institute of Urban Meteorology, China Meteorological Administration, Beijing 100089, China;
3. Tianjin Climate Center, Tianjin Meteorological Bureau, Tianjin 300074, China;
4. Beijing Climate Center, Beijing Meteorological Bureau, Beijing 100089, China

Received:2013-05-07 Revised:2013-08-10 Online:2014-04-15 Published:2014-03-24
About author:Si Peng (1983-), Master and Engineer, specialized in climate change, climate data analysis and processing. E-mail：spsbox@163.com
Supported by:
Urban Meteorological Research Fund of CMA, No.UMRF201009

摘要/Abstract

摘要：

The regional changes of daily temperature extremes in North China caused by urbanization are studied further from observed facts and model estimates on the basis of homogenized daily series of maximum and minimum temperature observations from 268 meteorological stations,NCEP/DOE AMIP-Ⅱ reanalysis data (R-2),and the data of simulations by regional climate model (RegCM3). The observed facts of regional warming on long time scales are obtained by analyzing the indices of temperature extremes during two time periods of 1961-2010 and 1951-2010. For urbanization effect,the contributions to decreases in annual and winter diurnal temperature range (DTR) are 56.0% and 52.9%,respectively,and increases in the lowest minimum temperature (TNn) are 35.7% and 26.2% by comparison of urban and rural observations. Obtained by R-2 data with observations for contrast,on the other hand,increase in the number of annual warm nights (TN90p) contributed by urbanization is 60.9%. And observed facts of regional warming in daily temperature extremes are also reflected in the simulations,but what difference is urbanization progress at rural areas in North China would be prominent in the next few years relative to urban areas to some extent from model estimates.

关键词: urbanization, daily temperature extremes, significant contribution, North China

Abstract:

Key words: urbanization, daily temperature extremes, significant contribution, North China

SI Peng, ZHENG Zuofang, REN Yu, LIANG Dongpo, LI Mingcai, SHU Wenjun. Effects of urbanization on daily temperature extremes in North China[J]. , 2014, 24(2): 349-362.

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Effects of urbanization on daily temperature extremes in North China

Effects of urbanization on daily temperature extremes in North China

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