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An overview of arsenic in groundwater in Tamil Nadu – A report by Water Resources Department

This report by the Water Resources Department (Government of Tamil Nadu) attempts to estimate the presence of heavy metal arsenic in groundwater in the state of Tamil Nadu. Now-a-days heavy metal arsenic poses a health risk problem throughout the world. Arsenic may be found in water which has flowed through arsenic-rich rocks. Severe health effects have been observed in populations drinking arsenic-rich water over long periods in countries world-wide.

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An overview of arsenic in groundwater in Tamil Nadu – A report by Water Resources Department (2009)124.4 KB

Location

Cuddalore, TN, India
Latitude: 11.750000, Longitude: 79.750000

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Construction of a deep tube well for agricultural purpose - A case study from Vridhachalam (Tamil Nadu)

This presentation provides information on the process that needs to be followed to construct a deep tube well for agricultural purposes in Pavalangudi village of Vridhachalam Taluk, Cuddalore district, Tamilnadu. The extent of area is 100 acres. The presentation covers three stages of ground water exploration - surface, subsurface methods, well development and the methodology adopted.Read More

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Construction of a Deep TubeWell - A Case Study - TS Badrinarayanan (2009)3.47 MB

Location

Cuddalore, TN, India
Latitude: 11.750000, Longitude: 79.750000

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Electrical well logging for groundwater exploration

Electrical well logging is a kind of geophysical logging tool for ground water exploration. It involves the continuous recording of electrical resistance, resistivity and spontaneous potential (SP) of formations of a drilled bore hole. This helps to identify the formations and also delineate freshwater aquifers from saline aquifers.It is also used to delineate the fracture system in hard-rock terrain, for rejuvenation of poor/low-yielding bore wells. Read More

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Electrical Well Logging for Ground Water Exploration (2009)2.15 MB

Location

Cuddalore, TN, India
Latitude: 11.750000, Longitude: 79.750000

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The Tamil Nadu Farmers Management of Irrigation Systems Act (2000)

The act provides for farmer's participation in the management of irrigation systems and for matters connected therewith or incidental thereto. The act provides for the delineation of Water Users Association area on a hydraulic basis, which may be administratively viable. Every Water Users Associations area shall be divided into territorial constituencies, which shall not be less than four, but shall not be more than ten, as may be prescribed.Read More

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The Tamil Nadu Farmers Management of Irrigation Systems Act (2000) 134.03 KB
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Cauvery Basin: Irrigation

Most of the districts in the basin that fall within the Karnataka part seem to benefit from the well irrigation. More than 12,000 Ha of the land is irrigated in each of the these districts of Mysore, Chamrajnagar and Tumkur. Large areas in Namakkal and Dharamapuri are also irrigated by wells.Read More

Location

Bangalore, KA, India
Latitude: 12.971606, Longitude: 77.594376

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Cauvery Basin: Major Crops

More than 60% of the total population in the basin lives in rural areas and their major occupation is agriculture. The land under cultivation in the basin is 48%. Around 24% of the cultivable area has some means of irrigation or other. Read More

Location

Tumkur, KA, India
Latitude: 13.338581, Longitude: 77.101219

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