A study of Arsenic Contamination of Groundwater in Lowland Terai, Nepal Water quality change of the rainy season and the dry season

HIROMI HAMADA; KEIZO NAKAMURA; TAKESHI KOMAI; KENZO OOKA; TOMOMASA TANIGUCHI; TAKASHI YACHI; FUTOSHI MATSUMOTO; MANATSU TODA; HIROSHI MATSUO

doi:10.14866/ajg.2013s.0_2

Annual Meeting of the Association of Japanese Geographers, Spring 2013

Session ID : 202

DOI https://doi.org/10.14866/ajg.2013s.0_2

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Host: The Association of Japanese Geographers

Abstract

A study of Arsenic Contamination of Groundwater in Lowland Terai, Nepal

Water quality change of the rainy season and the dry season

*HIROMI HAMADA, KEIZO NAKAMURA, TAKESHI KOMAI, KENZO OOKA, TOMOMASA TANIGUCHI, TAKASHI YACHI, FUTOSHI MATSUMOTO, MANATSU TODA, HIROSHI MATSUO

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Keywords: Groundwater, Nepal, Terai Lowland, Arsenic contamination, Geology

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Abstract

In this study, we investigated the well in lowland Terai, Nepal. Carried out during the rainy season in August and the dry season in March 2012, in addition to · pH · EC · ORP · DO · AS water temperature, water sampling, survey, and each well is a well that can be measured by measuring the groundwater level, the depth of wells . The highest arsenic concentration was reached in 1047ppb Khokharpurwa (No.4). In addition there is a well of 577ppb (No.12), well (No.8) 513ppb was present Mahuwa Kunawar you put a little distance. Indicates that it is a high concentration arsenic zone in this region.

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