Journal Articles |
M. Sekhar; S. Tomer; S. Thiyaku; P. Giriraj; S. Murthy; V.K. Mehta Groundwater Level Dynamics in Bengaluru City, India Journal Article Sustainability, 10(1) (1), pp. 26, 2017. Abstract | Links | BibTeX | Tags: Bangalore, groundwater, journal @article{Sekhar2017, title = {Groundwater Level Dynamics in Bengaluru City, India}, author = {M. Sekhar and S. Tomer and S. Thiyaku and P. Giriraj and S. Murthy and V.K. Mehta}, url = {http://bangalore.urbanmetabolism.asia/wp-content/uploads/2019/07/sustainability-10-00026-GroundwaterLevelDynamicsinBengaluruCity.pdf}, doi = {https://doi.org/10.3390/su10010026}, year = {2017}, date = {2017-12-22}, journal = {Sustainability}, volume = {10(1)}, number = {1}, pages = {26}, abstract = {Groundwater accounts for half of Indian urban water use. However, little is known about its sustainability, because of inadequate monitoring and evaluation. We deployed a dense monitoring network in 154 locations in Bengaluru, India between 2015 and 2017. Groundwater levels collected at these locations were analyzed to understand the behavior of the city’s groundwater system. At a local scale, groundwater behavior is non-classical, with valleys showing deeper groundwater than ridge-tops. We hypothesize that this is due to relatively less pumping compared to artificial recharge from leaking pipes and wastewater in the higher, city core areas, than in the rapidly growing, lower peripheral areas, where the converse is true. In the drought year of 2016, groundwater depletion was estimated at 27 mm, or 19 Mm3 over the study area. The data show that rainfall has the potential to replenish the aquifer. High rainfall during August–September 2017 led to a mean recharge of 67 mm, or 47 Mm3 for the study area. A rainfall recharge factor of 13.5% was estimated from the data for 2016. Sustainable groundwater management in Bengaluru must account for substantial spatial socio-hydrological heterogeneity. Continuous monitoring at high spatial density will be needed to inform evidence-based policy.}, keywords = {Bangalore, groundwater, journal}, pubstate = {published}, tppubtype = {article} } Groundwater accounts for half of Indian urban water use. However, little is known about its sustainability, because of inadequate monitoring and evaluation. We deployed a dense monitoring network in 154 locations in Bengaluru, India between 2015 and 2017. Groundwater levels collected at these locations were analyzed to understand the behavior of the city’s groundwater system. At a local scale, groundwater behavior is non-classical, with valleys showing deeper groundwater than ridge-tops. We hypothesize that this is due to relatively less pumping compared to artificial recharge from leaking pipes and wastewater in the higher, city core areas, than in the rapidly growing, lower peripheral areas, where the converse is true. In the drought year of 2016, groundwater depletion was estimated at 27 mm, or 19 Mm3 over the study area. The data show that rainfall has the potential to replenish the aquifer. High rainfall during August–September 2017 led to a mean recharge of 67 mm, or 47 Mm3 for the study area. A rainfall recharge factor of 13.5% was estimated from the data for 2016. Sustainable groundwater management in Bengaluru must account for substantial spatial socio-hydrological heterogeneity. Continuous monitoring at high spatial density will be needed to inform evidence-based policy. |
Vishal K. Mehta; Rimi Goswami; Eric Kemp-Benedict; Sekhar Muddu; Deepak Malghan Metabolic Urbanism and Environmental Justice: The Water Conundrum in Bangalore, India Journal Article Environmental Justice, 7 (5), pp. 130-137, 2014. Abstract | Links | BibTeX | Tags: journal @article{Mehta2014, title = {Metabolic Urbanism and Environmental Justice: The Water Conundrum in Bangalore, India}, author = {Vishal K. Mehta and Rimi Goswami and Eric Kemp-Benedict and Sekhar Muddu and Deepak Malghan}, url = {http://bangalore.urbanmetabolism.asia/wp-content/uploads/2016/07/ENV.2014.0021-1.pdf}, doi = {10.1089/env.2014.0021}, year = {2014}, date = {2014-10-15}, journal = {Environmental Justice}, volume = {7}, number = {5}, pages = {130-137}, abstract = {Anthropologists, sociologists, geographers, and urban studies scholars have recorded the causes and consequences of inequities that underscore rapidly burgeoning cities in the global South. We argue here that such accounts of urbanism are incomplete without accounting for the inequities in metabolic flows of matter and energy that physically sustains the city. Using the example of domestic household water consumption patterns in Bangalore, we demonstrate how the city’s hydrology is shaped by social, political, and economic variables. We present a simple coupled social-ecological framework that allows us to sketch the broad contours of this social hydrology of Bangalore. Our analysis provides evidence for why questions of environmental justice cannot be separated from questions of biophysical sustainability. We show that anthropogenic drivers of groundwater hydrology in Bangalore dominate background biophysical drivers. Unequal spatial distribution of piped water infrastructure is the principal driver of groundwater hydrology in Bangalore.}, keywords = {journal}, pubstate = {published}, tppubtype = {article} } Anthropologists, sociologists, geographers, and urban studies scholars have recorded the causes and consequences of inequities that underscore rapidly burgeoning cities in the global South. We argue here that such accounts of urbanism are incomplete without accounting for the inequities in metabolic flows of matter and energy that physically sustains the city. Using the example of domestic household water consumption patterns in Bangalore, we demonstrate how the city’s hydrology is shaped by social, political, and economic variables. We present a simple coupled social-ecological framework that allows us to sketch the broad contours of this social hydrology of Bangalore. Our analysis provides evidence for why questions of environmental justice cannot be separated from questions of biophysical sustainability. We show that anthropogenic drivers of groundwater hydrology in Bangalore dominate background biophysical drivers. Unequal spatial distribution of piped water infrastructure is the principal driver of groundwater hydrology in Bangalore. |
Publications
Journal Articles |
Groundwater Level Dynamics in Bengaluru City, India Journal Article Sustainability, 10(1) (1), pp. 26, 2017. |
Metabolic Urbanism and Environmental Justice: The Water Conundrum in Bangalore, India Journal Article Environmental Justice, 7 (5), pp. 130-137, 2014. |