Strategy of Adaptation to Extreme High Temperature in Summer of Ji'nan City under Urban Expansion and Urban Heat Island Effect

How to adapt to extreme weather events such as extreme high temperature,hard rain caused by climate change in cities is an urgent and realistic issue.The change trend of summer high temperature was analyzed for Ji'nan city with summer average temperature and annual extreme maximum air temperature during 1970-2012.It is shown that both of them had an obvious rising trend in last 43a,and frequency of extreme high temperature which was above 40.0℃ increased rapidly since 1997.In order to improve adaptation of Ji'nan city to extreme high temperature,the government was suggested to make some adaptive measures,e.g.,to build 3-horizontal and 3-vertical and 2-circular green space network,to control urban size,to fufill the transit metropolis strategy and perfect high temperature warning system.