AQUIFER MAPPING AND MANAGEMENT PLAN FOR HARD ROCK TERRAINS OF ERNAKULAM DISTRICT, KERALA
Category |
Aquifer Mapping |
State |
Kerala
|
District |
Ernakulam |
Block |
Alangad Angamali Edappally Koovappady Kothamangalam Mulanthuruthy Muvattupuzha Palluruthy Pampakuda Parakkadav Paravur Vadavucode Vazhakkulam Vypeen |
Year of Issue |
2019 |
Number of Authors |
1 |
Name of Authors |
Roopesh G. Krishnan |
Keywords |
NAQUIM Report, Data analysis and generation gap, Climate Rainfall, Irrigation Agriculture, Geology Geomorphology, Hydrogeology Drainage, Ground water Dynamic, Ground Water Quality, Aquifer Disposition. Aquifer Characteristics, Ground Water Resource, Ground water Related Issues, Management Strategies, Block-wise Management Plan |
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The study area is mainly drained by the Periyar River and its tributaries in the central to northern part, Muvattupuzha River and its tributaries in the southern part and Chalakudy River in the northern part. The Periyar River, which is the longest river in Kerala, is formed by several streams originating from Sivagiri group of hills in the Western Ghats. The river bifurcates at Alwaye into the Marthandavarma branch and the Mangalapuzha branch. Upstream of this point, a branch of the river loops off the main river near Kalady and joins the Mangalapuzha branch at Chengamanad. The Muvattupuzha River is formed by the confluence of three rivers namely, the Thodupuzha, the Kaliyar and the Kothamangalam rivers, in which Kaliyar river is drained in Idukki district. Muvattupuzha River flows in a westerly direction. In the upstream areas, the drainage pattern of both the rivers is trellis to Sub-trellis type. Geologically the entire area is covered mainly with Charnockite group and Migmatite of crystalline rocks of Archean Age followed by residual laterite formations of Sub-recent Age. Unconsolidated alluvium of Recent age comprising sands and clays are found in small patches in flood plains of Periyar river in the area. The eastern part is occupied by hard rocks representing Precambrian metamorphosed rocks.