News and Articles
Chennai's water quality mapped
Posted on 06 Apr, 2014 11:39 AMObjective
To visualize the water quality of Chennai over its existing water supply infrastructure map.
Roadblocks
Playing with Uttarakhand rainfall data
Posted on 06 Apr, 2014 11:39 AMDaily rainfall information at a weather station level is very useful data. It can be used for analysis and planning. A district average can't help people plan or monitor a situation in a real time manner. It is possible to aggregate up for trends but deaggrating is impossible especially for places like Uttarakhand where the climate can change drastically from one area to the other.
Changing pattern: Rainfall maps
Posted on 06 Apr, 2014 03:39 AMRainfall maps for the period of 100 years were created to see the changing patterns and differences over time.
Data used
MET data was used to generate the maps for every year.
Mapping drought for 100 years
Posted on 06 Apr, 2014 02:15 AMThe Indian Meteorlogical Department (IMD) defines drought as ‘the consequence of a natural reduction in the amount of precipitation over an extended period of time, usually a season or more in length, often associated with other climatic factors (viz.
What do the numbers reveal about aquifers in India?
Posted on 05 Apr, 2014 10:54 PMGroundwater is water that is stored underground in aquifers or rock layers than can absorb water. India gets 85% of all its drinking water from this source.
Rainfall is an essential part of monitoring groundwater as it recharges the aquifer and brings groundwater levels up. Rainfall and well levels are important parameters for data collection.
The connection between well-level data and aquifers
Posted on 05 Apr, 2014 07:31 PMGroundwater is water that is stored below the ground in aquifers, or rock layers that can absorb water. India gets 85% of all its drinking water from this source.
Water for friends- for free!
Posted on 05 Apr, 2014 03:17 PM“Water flows humbly to the lowest level. Nothing is weaker than water, yet for overcoming what is hard and strong, nothing surpasses it.”– Lao Tzu
Water privatisation, a failed model?
Posted on 05 Apr, 2014 03:12 PMSince water reforms were introduced in India in the 1990s, water privatisation has been propagated as a panacea to the sector's problems.
Ancient engineering marvels of Tamil Nadu
Posted on 05 Apr, 2014 02:06 PMSouth India has a rich tradition of tanks with the three southern states of Tamil Nadu, Karnataka and Andhra Pradesh contributing to close to 92% of the total irrigation by tanks in the 1970s. Two decades later, this number dwindled to close to 53%. A decade after that, in 2001, the total contribution of tank irrigation in all of India was estimated to be just around 5.18%.
