India

Designing your own rooftop rainwater harvesting system: A presentation
This presentation explains the basics of rainwater harvesting. Calculate the amount of rainwater you can harvest off your roof and design your own RWH system. Posted on 21 Aug, 2009 11:19 AM

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20 tips to help you choose your rainwater harvesting design from Mihir Maitra
Tips to help you choose your rainwater harvesting design, from Mihir Maitra, consulting hydrogeologist Posted on 21 Aug, 2009 11:08 AM

From collection to storage and recharge, Maitra explains in layman's terms the basics of rainwater harvesting.

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Impact of climate change in India: An agro - ecological zone level analysis
A detailed look at the possible impacts of climate change on the different agro - ecological zones demarcated in India Posted on 20 Aug, 2009 06:04 PM

India is gifted with heterogeneous landforms and variety of climatic conditions such as the lofty mountains, the raverine deltas, high altitude forests, peninsular plateaus, variety of geological formations endowed with temperature varying from arctic cold to equatorial hot, and rainfall from extreme aridity with a few cms (<10 cm) to pre humid with world's maxim

India - AMS topographical map - Series U502 - U.S Army Map Service (1955)
Download the full size index topographical map of India and Pakistan from the University of Texas's Perry Castaneda Map Collection link provided below Posted on 20 Aug, 2009 05:22 PM

Topographical maps are crucial while planning and implementing watershed development programs. In India, these are available from the Survey of India, Dehradun.

Rain shocked: A Down To Earth's study on the effects of climate change on precipitation patterns in India
A Down To Earth research study on how climate change is leading to a rising trend of short but intense spells of rainfall, which is making usable water scarce in India Posted on 20 Aug, 2009 05:11 PM

This research study (Mar 15 2009) throws light on how climate change is leading to a rising trend of short but intense spells of rainfall, which is making usable water scarce in India.

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Augmenting groundwater: The basics on how to construct a recharge well
Recharge wells are one of the best options for augmenting underground water holding. This article explains the site specifications and techniques used in the construction of these wells Posted on 20 Aug, 2009 05:10 PM

 

Recharge well with gravel and sand bed to filter rainwater. Image courtesy India Water Portal
Informative and detailed slideshows on all things related to household rainwater harvesting
A set of informative and detailed slideshows on all things relating to rainwater harvesting at home Posted on 20 Aug, 2009 04:34 PM

Seven easy steps to constructing a recharge pit
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The making of a recharge well
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Mapping water pollution and groundwater depletion due to industrial activities in India
This map from Down To Earth indicates that most of India's industrial zones are in water stressed regions, hence water prudence on the part of Industries become crucial Posted on 20 Aug, 2009 04:28 PM

This map provides the of levels of water pollution and groundwater depletion due to industrial activities in different parts of India. 

Mapping the soils of India: Survey of India
A detailed map on the different soil types in India from the premier mapping organization of the country, Survey of India Posted on 20 Aug, 2009 04:11 PM

Soils constitute the upper portion of the earth's crust, and are the base of human habiation on the earth. India has a great variety of soils, with over 29 major types.

The map can be accessed from the Survey of India website

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Fed by rain - India's rainfed and poorest areas overlap
India's rainfed areas are agriculture intensive - 85% of the employed people in these areas are engaged in agriculture. Posted on 20 Aug, 2009 03:52 PM

Consisting mainly of arid and semi-arid areas and the country's 200 backward districts, these rainfed regions are concentrated in 13 states.

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