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Probabilistic approaches to cleaning the Ganges in Varanasi to attract tourists
Author(s) -
Batabyal Amitrajeet A.,
Beladi Hamid
Publication year - 2019
Publication title -
natural resource modeling
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.28
H-Index - 32
eISSN - 1939-7445
pISSN - 0890-8575
DOI - 10.1111/nrm.12177
Subject(s) - pollutant , sustainability , tourism , water resources , environmental science , water quality , pollution , probabilistic logic , resource (disambiguation) , water resource management , environmental planning , environmental resource management , business , environmental economics , computer science , geography , economics , ecology , biology , computer network , archaeology , artificial intelligence
We study two probabilistic approaches to cleaning the Ganges river when the underlying goal is to use the cleanup to sustain tourism in Varanasi, India. The first approach models the idea that because resources are scarce and cleanup is costly, not all pollutants in the Ganges can be removed. Therefore, a cleaning agency first establishes a benefit‐cost ratio rule and then it uses this rule to remove from the Ganges only those pollutants whose removal satisfies the ratio rule. In contrast, the second approach focuses on removing all pollutants from the Ganges but the emphasis now is on the frequency of cleanup given that pollutants accumulate temporally and hence water quality deteriorates over time. Finally, we compare and contrast these two approaches and discuss the connections between the two approaches and the sustainability of tourism in Varanasi. Recommendations for Resource Managers: When cleanup resources are scarce, strategic management of Ganges water pollution calls for removing only those pollutants whose removal satisfies a benefit‐cost criterion. When cleanup resources are adequate, holistic management of Ganges water pollution calls for attaining the highest possible water quality by removing all pollutants from the river. Strategic management is more realistic and also likely to cost less than holistic management.

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