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Physiography

Watershed prioritisation atlas for Maharashtra – A resource database by MRSAC on 1:2,50,000 scale using GIS technique

This document by the Maharashtra Remote Sensing Applications Centre (MRSAC) presents the “Atlas on Watershed Prioritisation” using resources database on 1:2,50,000 scale adopting advanced techniques such as Remote Sensing and Geographic Information System (GIS). This watershed prioritisation to plan the activities on priority basis and facilitate judicious utilization of the available financial resources was done for the Water Conservation Department (Government of Maharashtra), the nodal agency to service watershed development in the State.

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Location

Mumbai, MM, India
Latitude: 19.017615, Longitude: 72.856164

Analysis of surface runoff and baseflow at Tambarapani basin – A research report by National Institute of Hydrology

The report presents the analysis of surface runoff and baseflow carried out for the Ariyanayakipuram anicut, Tambarapani basin, Tamil Nadu for a period of 13 years (1983-95). The hydrological behavior of catchments is a very complex phenomenon and is controlled by a large number of climatic and physiographic factors that vary in time and space. The analysis shows that the contribution of baseflow at Ariyanayakipuram anicut was observed to be more.Read More

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Analysis of surface runoff and baseflow at Ariyanayakipuram anicut in Tambaraparani basin of Tamil Nadu by NIH (1996-97)473.7 KB

Location

Tirunelveli, TN, India
Latitude: 8.733000, Longitude: 77.700000

Development of regional flood formula for Krishna basin – A research report by National Institute of Hydrology

This report describes the study of regional flood frequency analysis using peak flood series data of gauging stations of Krishna basin based on at site and regional data combined using the following methods: (a) Index-Flood method (b) PWM based EVI distribution (c) PWM based GEV distribution and (d) PWM based Wakeby distribution.Read More

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Development of regional flood formula for Krishna basin by NIH (1996-97)1.4 MB

Applicability of SCS runoff method to different agro-climatic regions – A research report by National Institute of Hydrology

The study estimates the initial abstraction coefficient for six watersheds in various agro-climatic zones of Karnataka from rainfall-runoff events by asymptomatic fitting of Curve Numbers calculated from observed rainfall-runoff data using Soil Conservation Service (SCS) model of United States Department of Agriculture (USDA). The SCS method assumes the initial rainfall abstraction as the fraction of potential maximum retention of soil.Read More

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Applicability of SCS runoff method to different agroclimatic regions by NIH (2000-01)966.68 KB

Location

Belgaum, KA, India
Latitude: 15.850360, Longitude: 74.504669

Geology of India - DN Wadia - Macmillan publishers (1919)

Geology of India - Book CoverGeology is the science and study of the composition, structure, physical properties, dynamics and history of the liquid and solid materials/matter that constitutes the Earth, and the processes by which they are formed, moved or changed.

The Geology of India by DN Wadia, a geologist with the Geological Survey of India, is considered to be one of the most important and complete reference works available today on the subject.Read More

Contents
1. Physical features, 2. Stratigraphy of India, 3. The Archaean System, 4. The Dharwar System, 5. The Cuddapah System, 6. The Vindhyan System, 7. The Cambrian System, 8. The Silurian, Devonian and Lower Carboniferous Systems, 9, 10. The Gondwana System, 11. The Upper Carboniferous and Permian Systems, 12. The Triassic System, 13. The Jurassic System, 14, 15. The Cretaceous System, 16. The Deccan Trap, 17. The Tertiary Systems, 18. The Eocene System, 19. The Oligocene and Lower Miocene Systems, 20. The Siwalik System - Middle Miocene and Lower Pliocene, 21-24. The Pleistocene System, 25. Physiography, 26. Economic Geology, 27. Geology and Stratigraphy of Kashmir; Index. Total contents - 398 pages.

The book divides India into three main geological divisions - the triangular plateau of the peninsula, the mountainous or the extra-peninsular region bordering India on the west north and east, and the Indo-gangetic plain extending from the valley of the Indus to the valley of the Brahmaputra in Assam. The desert region of western Rajasthan is considered to be a unique fourth category, as it combines characteristics of two of the three main divisions.

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Geology of India - DN Wadia - Macmillan publishers (1919)11.97 MB

Groundwater Quality Scenario in Karnataka State - District-wise reports (single file) (2004)

As part of its committment to provide safe drinking water to its rural communities, the Karnataka State Government as part of its World Bank-assisted Jal Nirmal Yojana program, implemented through the Karnataka Rural Water Supply and Sanitation Agency, took an initiative to adopt a Geographical Information System (GIS) approach to develop a Spatial Information and Knowledge base on groundwater quality of Karnataka.

As part of this effort, a comprehensive study of the quality of groundwater being supplied in rural areas has been taken up and water quality mapping, building of GIS database and profiles have been generated for 27 districts and 175 taluks. For this the chemical analytical data of water samples collected from bore wells in different villages by the Rural Development and Engineering Department (RDED) have been used. In all about 1,54,491 groundwater samples have been collected and analysed for 14 major parameters covering 33,647 villages out of the total 56,682 villages in the state.

This section contains individual district-wise profile files. Each district profile contains district and taluk level information across various study parameters, followed by representation of the analysis of the data through district level GIS maps.

All the district profiles can be downloaded as one single file below.

We acknowledge the support of S Vishwanath (Rainwater Club Bangalore) and Anand Kumar Naidu (Bangalore) in making this publication available on India Water Portal.

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Groundwater Quality Scenario - 27 Districts of Karnataka - 2004 (compressed into a single file)25.54 MB
31.Water quality data for Karnataka_.xls (Downloadable Data)79.5 KB

Location

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

Groundwater quality scenario in Karnataka state - Introduction and overview (2004)

These two documents, one an introduction document and the other an overview document prepared for the Karnataka Rural Water Supply and Sanitation Agency (KRWSSA) provides information and details on the groundwater quality scenario in Karnataka.Read More

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Groundwater quality scenario in Karnataka - Executive Summary and Introduction - KRWSSA (2004)8.98 MB
Groundwater quality scenario in Karnataka state - An Overview - KRWSSA (2004)8.99 MB

Location

Belgaum, KA, India
Latitude: 15.850360, Longitude: 74.504669

Groundwater quality scenario in Karnataka state - District-wise reports (2004)

As part of its committment to provide safe drinking water to its rural communities, the Karnataka State Government as part of its World Bank-assisted Jal Nirmal Yojana program, implemented through the Karnataka Rural Water Supply and Sanitation Agency, took an initiative to adopt a Geographical Information System (GIS) approach to develop a Spatial Information and Knowledge base on groundwater quality of Karnataka.Read More

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1. Balgalkot District1.01 MB
2. Bangalore (R) District1.14 MB
3. Bangalore (U) District894.46 KB
4. Belguam District1.14 MB
5. Bellary District1.06 MB
6. Bidar District787.23 KB
7. Bijapur District1.05 MB
8. Chamrajnagar District826.18 KB
9. Chikamagalur District1.08 MB
10. Chitradugra District1.02 MB
11. Dakshina Kannada District920.58 KB
12. Davanagere District1.01 MB
13. Dharwad District996.57 KB
14. Gadag District1 MB
15.Gulbarga District1.16 MB
16.Hassan District1.25 MB
17.Haveri District1.02 MB
18.Kodagu District838.88 KB
19.Kolar District1.32 MB
20.Koppal District1.01 MB
21.Mandya District1.16 MB
22.Mysore District1.41 MB
23.Raichur District1.01 MB
24.Shimoga District1.14 MB
25.Tumkur District1.38 MB
26.Udupi District960.92 KB
27.Uttar Kannada District1.33 MB

Location

Bidar, KA, India
Latitude: 17.907370, Longitude: 77.527138

Physiographic rainfall variations across India

Physiographic rainfall variations across India 1813-2006  Indian Institute of Tropical Meteorology Pune

This map shows the recent rainfall trends, based on data from 1813 to 2006, and also shows monthly trends for the 4 main rainfall months of the year - June to September.Read More

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6.22-2011.07.01-06