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Hi-tech vs low-tech in the water sector in the village of Dandiganahalli near Bangalore - Article by S. Vishwanath
Posted on 28 Jun, 2011 05:40 PMEver since Schumacher wrote his now very, very famous book small is there has in my mind been a question of the appropriateness of the solutions we urban educated types posit for rural ‘problems’.
Sustainable urban water supply in south India : Desalination, efficiency improvement, or rainwater harvesting?
Posted on 11 May, 2011 05:26 PMAbstract:
A study of saline freshwater interface phenomena in the Mahanadi delta region (Orissa)
Posted on 10 Jul, 2010 10:40 PM
The subsurface aquifer systems in Mahanadi delta region in Orissa (India) is largely characterized by two groups of freshwater aquifer systems, both of which are prone to saline water mixing/migration with time and development:
- The south western Mahanadi delta region is represented by unconfined to semi-confined freshwater aquifers underlained by brackish/saline aquifer systems with a diffusion boundary.
- The north eastern parts of Mahanadi delta is represented by deep freshwater confined aquifers overlained by brackish/saline water aquifers with aquitard/ aquiclude boundary.
Optimal operation of groundwater skimming wells A study of 90 wells along the river Yamuna at Palla,North Delhi
Posted on 02 Jul, 2010 04:49 PMAbstract
Skimming well technology for saline groundwater management
Posted on 23 Jun, 2010 12:49 PMThe term skimming well is used for any technique employed with an intention to extract relatively freshwater from the upper zone of the fresh-saline aquifer. The types of skimming wells include: the conventional single strainer well, multi-strainers wells, scavenger wells, radial collector wells and dug wells.
Hydrogeological studies for improved groundwater management strategies in the dryland areas underlain by Deccan basalts - ACWADAM
Posted on 02 Mar, 2010 05:18 PM
This detailed hydro-geological action research study in ten villages of Eastern Purandar taluka in Pune district (which is classified as a dark zone due to excessive groundwater exploitation) gives a good picture of groundwater resources in the area, and complements it with allied information such as weather data, socio-economic details, thematic groundwater maps, aquifer information, groundwater usage and its recharge-discharge relationship in space-time. The study was undertaken by ACWADAM and GGP, with a purpose to provide a platform for implementing agencies for on-the-ground action towards better groundwater management practice through community based efforts, as well as to advocate the typology of groundwater problems, that require specific approaches for mitigation.
The starts with a basic introduction to the study area, objectives and methodology adopted, and is followed by sections on the accumulation and movement of groundwater and the situational base. These two sections have details about the drainage, geology and hydro-geology of the region, groundwater over-exploitation, groundwater salinity, community-based groundwater systems, groundwater characteristics, base flow in streams, water quality, weather, pumping tests, hydro-chemical characteristics, pollution indicators, socio-economic aspects, remote sensing maps and more.
The study recommends that to improve the groundwater situation in the area, new soil/water conservation structures be built in the upper reaches of the watershed, and focus for the existing soil/water conservation structures be on maintenance and repairs. It concludes with a list of specific action-recommendations based on three typologies - groundwater over-exploitation, inland groundwater salinity and community-based groundwater management.This detailed hydro-geological action research study in ten villages of Eastern Purandar taluka in Pune district (which is classified as a dark zone due to excessive groundwater exploitation) by ACWADAM gives a good picture of groundwater resources in the area, and complements it with allied information such as weather data, socio-economic details, thematic groundwater maps, aquifer information, groundwater usage and its recharge-discharge relationship in space-time.
2010 Unsolicited Research Program Request for Preproposals in Water Reuse and Desalination
Posted on 04 Feb, 2010 12:18 PMThe WateReuse Foundation is seeking preproposals for funding consideration under its 2010 Unsolicited Research Program. The total amount of funds approved for the Foundation's 2010 Unsolicited Research Program projects is $301,531.
Salinity mitigation by industry - A case study of Ambuja Cements Limited - Junagadh
Posted on 17 Nov, 2009 05:47 PMWater harvesting and conservation work was taken up through building check dams, rooftop rainwater harvesting, building percolation and drinking water wells, deepening of ponds, micro-irrigation, cropping pattern interventions and more.
Integrated approaches for sustainable development in water resources sector
Posted on 04 Sep, 2009 12:11 PMThe Indian Institute of Technology, Madras, Technology for Sustainable Development and the Ecole Polytechnique Federale de Lausanne EPFL have produced a report titled Integrated Approaches for Sustainable Development in Water Resources Sector.