本文選題：大規(guī)模人口流動(dòng) + 城市熱島�。� 參考：《氣候與環(huán)境研究》2017年06期

【摘要】：城市熱島效應(yīng)是一種非常重要的局地氣候現(xiàn)象,隨著全球變暖和城市化快速發(fā)展,城市熱島效應(yīng)受到越來越多的關(guān)注和研究。以往的研究表明人口聚集和人口數(shù)量對(duì)城市熱島效應(yīng)和區(qū)域城市氣候會(huì)產(chǎn)生顯著的影響。但是,人口短期的快速遷移流動(dòng)對(duì)城市氣候是否存在影響以及影響的程度多大尚不清楚。本文利用世界上每年最大規(guī)模的人類遷徙——春節(jié)人口流動(dòng)來探討人口短期快速流動(dòng)對(duì)國際化大都市上海城市熱島效應(yīng)的影響。研究結(jié)果表明,2000~2015年上海市春節(jié)周日最高溫、日均溫和日最低溫城市熱島強(qiáng)度分別為0.35℃、0.90℃和1.53℃,相對(duì)于背景場(春節(jié)前2~4周和春節(jié)后2~4周的平均值),分別低了0.16℃、0.11℃和0.15℃,相對(duì)變化分別為31.4%、10.9%和8.9%。由此可見,人口短期快速遷移流動(dòng)是影響熱島效應(yīng)和城市氣候一個(gè)重要因素,但是人口流動(dòng)對(duì)城市熱島效應(yīng)的影響是復(fù)雜的,其效應(yīng)與氣候背景、天氣狀況、城市規(guī)模、城市人口流動(dòng)特征及分布甚至城市煙花爆竹燃放(通過影響氣溶膠、云量及廢熱影響城市熱島效應(yīng))等因素交織在一起,未來仍需開展進(jìn)一步的深入研究。
[Abstract]:Urban heat island effect is a very important local climate phenomenon. With the rapid development of global warming and urbanization, urban heat island effect has received more and more attention and research. Previous studies have shown that population concentration and population size have significant effects on urban heat island effect and regional urban climate. However, it is not clear whether and to what extent the short-term rapid migration of population affects the urban climate. In this paper, the world's largest annual human migration-Spring Festival population flow is used to explore the impact of the short term rapid population flow on the urban heat island effect in Shanghai, an international metropolis. The results show that the maximum daily temperature of Spring Festival in Shanghai from 2000 to 2015, the lowest daily average temperature and the lowest daily temperature are 0.35 鈩，

本文編號(hào)：1865875