Cause

The city is composed of buildings and asphalt .
This is the difference and the surrounding city .
This means that this is one of the cause of the heat island .
Asphalt has also become a cause on a tropical night it is easy to remaining heat as compared to the soil .
Further to enhance the confidentiality of the air , heat is easy to remain urban buildings .
Let's also look at other causes .

- Plants such as tree is small , less cooling effect caused by transpiration of plants compared to the suburbs
- Amount of heat produced in population of the automobile and air conditioners are often
Heat island phenomenon has been caused by such .
I have been produced up to the vicious cycle , hot → increase of Calorimetric population → →
put the hot air by the heat island phenomenon further .