中國三大城市帶城市化氣候效應(yīng)的檢測(cè)與對(duì)比

doi:10.3969/2012jms.00**

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中國三大城市帶城市化氣候效應(yīng)的檢測(cè)與對(duì)比
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                        10.3969/2012jms.00**
                    
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中圖分類號(hào):P461.8
基金項(xiàng)目:國家重點(diǎn)基礎(chǔ)研究發(fā)展計(jì)劃（973計(jì)劃）資助項(xiàng)目（2010CB428506）.

Detection and comparison of effect of urbanization on climate in three mega city agglomerations of China

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摘要:

利用國家基本、基準(zhǔn)站1951—2009的逐日氣候數(shù)據(jù)和1986—2008的城市人口資料，建立了一種新的城市化指標(biāo)，分析了京津冀城市帶、長江三角洲城市帶和珠江三角洲城市帶中典型城市及區(qū)域整體的城市化特征，對(duì)三個(gè)城市群區(qū)的城市氣候特征和氣候效應(yīng)進(jìn)行了比較。結(jié)果表明：城市化使典型城市的平均氣溫和最低氣溫顯著升高，城市化氣候效應(yīng)特征可以分為“冷季型”、“暖季型”和“過渡季節(jié)型”三種類型。長三角地區(qū)的城市化氣候效應(yīng)最強(qiáng)，京津冀次之，珠三角最弱。長三角地區(qū)與京津冀地區(qū)城市化氣候效應(yīng)的共同點(diǎn)為平均氣溫和夜間氣溫升高，春、秋兩季增溫顯著；不同點(diǎn)是長三角夏季強(qiáng)于冬季，最高氣溫明顯升高，京津冀冬季強(qiáng)于夏季，最高氣溫?zé)o明顯變化。城市化對(duì)降水的影響在三個(gè)城市群區(qū)有著不同的特點(diǎn)，主要體現(xiàn)在極端強(qiáng)降水事件上。

Abstract:

Based on daily climate data from national base climatological stations for the period of 1951—2009 and urban population data for the period of 1986—2008, a new urbanization index was established, climatic effect of urbanization in Beijing-Tianjin-Hebei region, the Yangtze River Delta region, the Pearl River Delta region and typical cities of three mega city agglomerations was analyzed, and the characteristics of urbanization effect among three regions were compared. The results indicate that daily mean and minimum temperatures increased remarkably under the influence of rapid urban progress. According to seasonal variation of urbanization effect, typical cities can be classified into three groups. In the first group, warming is most obvious in cold seasons; for the second group, the intensity of warming is the strongest in hot seasons; the last group experiences most evident warming in transition seasons. The overall effect on climate was strongest in the Yangtze River Delta, and weakest in the Pearl River Delta. In both Beijing-Tianjin-Hebei region and the Yangtze River Delta, daily mean and minimum temperatures were significantly increasing, with obvious warming in spring and autumn. The difference between two regions were in two aspects: urbanization effect was stronger in summer than in winter for the Yangtze River Delta, while its opposite for Beijing-Tianjin-Hebei region; warming rate of daily maximum temperature was positive in the Yangtze River Delta, but it was nearly zero in Beijing-Tianjin-Hebei region. Urbanization effect on precipitation varied among three regions, mainly influencing precipitation extremes.

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聶安祺,陳星,馮志剛.中國三大城市帶城市化氣候效應(yīng)的檢測(cè)與對(duì)比.氣象科學(xué),2011,(4):372-383 NIE Anqi, CHEN Xing, FENG Zhigang. Detection and comparison of effect of urbanization on climate in three mega city agglomerations of China. Journal of the Meteorological Sciences,2011,(4):372-383

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抽查舔水白紧大视频,冲喜娘子超甜哒激情五月,亚洲黄色图片偷拍网站,亚洲三级黄片免费播放,91在线观看喷潮红桃,日韩精品在线观看一区二区,久久久久久久久久久久黄色片子,日产精品99久久久久久久久,欧洲亚洲另类图片小说