Seismic Zones and faults: Earthquake Hazard in Rajasthan

Earthquake Hazard Zones of Rajasthan

Seismic Zones & Earthquake Hazard in Rajasthan According to GSHAP data, the state of Rajasthan falls in a region of moderate to high seismic hazard. As per the 2002 Bureau of Indian Standards (BIS) map, Rajasthan falls in Zones II, III & IV. Historically, parts of this state have experienced seismic activity in the M 5.0 range. Classification of districts of Rajasthan according to seismic zones: S. No. Seismic Zone Continue Reading

Geology of Rajasthan

Geology of Rajasthan

Rajasthan forms north-western part of the Indian Shield. The State exposes a variety of lithological and tectonic units ranging in age from Archaean to Recent times. Before going into details of Geology of Rajasthan, let us first see, geology time in general to make sense of terms in geology. Note: Age of rocks is given in million years age (Ma). 1 Ma = 10,00,000 years old. One Giga = one thousand Continue Reading

Modern Methods of Rain-Water Harvesting in Rajasthan

Modern Methods of Rain-Water Harvesting in Rajasthan

Rajasthan has a tradition of building, and maintaining rainwater harvesting (RWH) structures such as johad, kuis, and kunds. Traditionally, these structures supported life in this water stressed region, and were well supported in turn by a system of community ownership. Excessive reliance on government run systems has led to the gradual neglect of these structures and disintegration of the entire support mechanism. The relevance of RWH in addressing today’s water Continue Reading

Major Dam Irrigation Projects in Rajasthan

Major Dam Irrigation Projects in Rajasthan

Irrigation is the most important input for sustainable agricultural development. Being an arid to semi arid State, development of water resources for irrigation has the highest priority in Rajasthan. There are presently 100 major and medium irrigation projects and minor irrigation schemes in Rajasthan with a total command area of nearly 25 lakh hectares. COMMAND AREA DEVELOPMENT PROJECT: Command Area Development Authorities (CADA) was established for Chambal and Indira Gandhi Continue Reading

Major Canal Irrigation Projects of Rajasthan

Major Canal Irrigation Projects of Rajasthan

Irrigation is an important input by itself for agriculture like fertilisers, improved seeds etc which imparts confidence to the farmers to adopt improved agricultural practices. The State government has given high priority to the development of surface water resources during the last four decades of planned development. A large number of irrigation projects have been planned and executed in different parts of the State. Major Canal Irrigation Projects in Rajasthan: Continue Reading