features the geographical expansion of the city, the location, the rivers, canal, types of soil and weather. Chennai is situated on the coast of the Bay of Bengal towards the southeast region of Tamilnadu.
Chennai holds the 4th largest position of all Indian cities. The geographical coordinates of Chennai is 13°04'N latitude and 80°17'E longitude. It is located at an altitude of 8 meters approximately from the sea level. Chennai is spread towards the northeast of Tamilnadu and occupies a total area of 174 Square Kilometers.
Two rivers have found their way through Chennai namely the Adyar River and the Cooum River.
The Government has announced a part of the Adyar River as a protected area, where several birds and animals species are sheltered.Both the rivers are linked with each other through Buckingham Canal.
Soils of Chennai
In Chennai three types of soils are found. These are the shale soils, sandstone and clay soils. Sandstone soil is generally found in the places located by the river banks and costal areas. In Chennai sand-soil is found at Kottivakkam, George Town, Santhome and the Tondiarpet. Areas in Chennai where shale soils are found, includes Velachery, Adambakkam and Guindy. Most of the cities around Chennai contain clay soils. Some of these cities are Anna Nagar, West Mambalam and Perambur.
Being a coastal area and lying on the thermal equator, the temperature in Chennai has extreme variations. During summer (between May and June) the temperature remains extreme hot and humid. At this time the maximum temperature reach up to 38 °C to 42°C approximately. However, in the coolest month of January the temperature of Chennai comes down to 19-20°C.