N. Dayalan, T. Pavendar
Abstract: The Sulur block is located at 1102N 7708E11.03N 77.13E. It has an average elevation of 340 metres (1115 feet). Study area is in the extreme western part of Tamil Nadu. It is surrounded by the Western Ghats mountain range on the west and north, with reserve forests on the northern side. The Noyyal river runs through Coimbatore and forms the southern boundary of the study area. The study area sits amidst Noyyal basin. The study area has a pleasant, salubrious climate due to its proximity to thickly forested mountain ranges and the cool breeze blowing through the Palghat Gap which makes the consistently hot temperatures pleasant. The study area exhibits the mountain profile, high relative relief variation, the average slope is both sides moderate and high central part is low, high frequency stream order categories, central region low drainage density, the coarse and intermediate drainage texture, roughness index and ruggedness. These parameters prove that study area. This features main reason for this topography.
Keywords: Sulur Block, Noyyal River, Delta, Drainage, Mountain, Relief