Page 16 - Microsoft Word - DIGITAL ATLAS THOOT-1

THE GEOGRAPHIC BACKGROUND OF THE STUDY AREA IN BRIEF

Geographical Location

The Ten Southern districts of Tamilnadu considered for the present study lies
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between the 8 03' to 10 48' North Latitude and 77 05' to 79 26' east Longitude. The
total geographical area of the ten southern districts is 44,089 Sq.Kms. The ten
southern districts chosen for its work have administrative divisions of 72 Taluks, 120
Blocks covering 278 towns and 4310 villages. The total population of it is 1.93 crores

as per 2011 census. The study area as a whole is surrounded in the north by
Coimbatore, Tiruppur, Karur, Trichurapalli, Thanjavur, and Tiruvarur, on the east Bay

of Bengal, in the west by Kerala, and in the south by Indian Ocean.

Administrative Units and Head Quarters

The District Level Administrative Division which shows the Village
Boundary, Block Boundary, Taluk Boundary are shown for the Ten southern districts,

for reference and likewise different thematic layers for all the ten southern districts
are prepared and shown for reference. The ten southern districts have 72 Taluks, 120

Blocks, 4310 Villages, and 238 Towns. The District level Head quarters and taluk

head quarters, block level head quarters are shown for the each district and as a
whole. The ten southern districts map with different thematic layers are also displayed

in the CD format along with each district atlas, so that one could compare the same on
the whole area under study.

Physical Base
The physical features such as Relief, Physiography, Drainages, Soil, and

Geology for the present study area are given below in brief:-
Relief and Drainage

The relief of the ten Southern districts is represented in 100m contours the

highest contour line is 2400 m from mean sea level crosses near kodaikkanal of
dindigul district and the coastal region has almost flat terrain.

Ten southern districts have the major rivers such as Vellar, Palar, Uppar,
Vaigai, Kodavanar, Suruli, Gundar, Vaippar, Chittar, Tamaraparani, Nambiyar,