Srimanti Duttagupta|Anandaroop Bhattacharya|Abhijit Mukherjee|Siddhartha Chattopadhyay|Soumendra N. Bhanja|S. Sarkar|Pragnaditya Malakar|Jayanta Bhattacharya
Groundwater faecal pollution observation in parts of Indo-Ganges–Brahmaputra river basin from in-situ measurements and satellite-based observations
Indian Institute of Technology Kharagpur|Indian Institute of Technology Kharagpur|Indian Institute of Technology Kharagpur|Indian Institute of Technology Kharagpur|Athabasca University|Indian Institute of Technology Kharagpur|Indian Institute of Technology Kharagpur|Indian Institute of Technology Kharagpur
quarter underprivileged global population lack access basic sanitation clean drinking water live india consequently every year millions suffer enteric diseases drinking faecalcontaminated groundwater un sustainable development goal lists access safe water basic sanitation 2030 sixth goal first time role economic improvement decrease waterborne faecal pathogens studied across indogangesbrahmaputra river basin igb almost last three decades delineate longterm improvement trends groundwater quality across india consequence development longterm temporal 19902017 highresolution spatial administrative block scale n2217 datasets waterborne faecal pathogen concentration groundwater satellitebased nightlight nl used investigate statistical trends causal relationships linear nonlinear hodrickprescott trend analyses panel data analyses bayesian vector autoregression var leadlag causality llc analyses performed aforesaid culled datasets however efficiency development alleviating water quality public health relationship economic development well understood first time using longterm highspatial resolution n2217 annual insitu measurements multivariate statistical models show spatially variable groundwater faecal pathogen concentration fc 20022017 139 pm 001 yr significantly decreased across basin areas increasing satellitebased nl plays significant role hbox nl 19922013 305 pm 001 yr reduction fc however areas low literacy rate surpass development enhanced decrease faecal coliform concentration groundwater possibly signifies implementation clean india mission since 2014