The report attempts to do a trace analysis of pesticides using gas chromatography technique. Pesticides are bio-accumulative and relatively stable, as well as toxic or carcinogenic, and therefore, require close monitoring. The identification and quantification of pesticides in different water bodies is a very important part of water analysis. The gas chromatography technique is considered appropriate, as most of the pesticides are volatile at the working temperature of gas chromatography. However, a pre-derivatization of a very few pesticides may be required prior to the analysis.

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• Technical specialists- Anticipated USAID-funded Water Analysis, Innovations and Systems Program (WAISP)

Chemonics International Inc

The report gives an account of a feasibility study of rainwater harvesting in semi-arid regions. A review of water harvesting systems is followed by a section wherein numerical solutions for surface flow equations are explained. 

In this study, a two-dimensional overland flow model has been developed considering random roughness coefficients and irregular land surface for the analysis of surface flow component. The one-dimensional Richards equation for subsurface flow component has been used for calculating the infiltration from the pervious area.

The report presents the status of risk based hydrologic designs that have been reported in literature and based on these, identifies a computational procedure for developing hydrologic design bases for dams and spillways. Some illustrative examples are presented in order to demonstrate the impact of risk based analysis on current design practices.

The report deals with the hydrological aspects of watershed development and describes watershed components and watershed models. It gives an account of the various watershed models in details including data requirement, input, output, various physical processes and governing equation. The suitability of a particular model to Indian condition is also highlighted in the report.

ABSTRACT

ABSTRACT

Centre for Innovation Incubation and Entrepreneurship at IIM Ahmedabad and Piramal Foundation announce “Piramal Prize 2010” - to enable bold entrepreneurial ideas with potential to reduce the burden of disease across India.  The Prize is an initiative to solve the health crisis by encouraging innovative ideas in th

The UN-Water website's World Water Day 2010 section, provides access to a range of informative, educational and advocacy material on water.

The documents and publications section includes a range of documents related to water quality, drinking water quality and public health, and water safety planning and management including the safe use of wastewater for agriculture and aquaculture.