Kei Nakagawa

Professor, Nagasaki University

Born: 12 September 1971


1999: Doctor of Engineering (PhD) in groundwater engineering at Kyushu University.

Macroscopic dispersion process of non-reactive tracer in heterogeneous porous media

1996: Master of Engineering, Kyushu University, Japan.


2011-present: Professor, Faculty of Environmental Studies, Nagasaki University.

2002-2011: Associate Professor, Department of Environmental Sciences and Technology, Kagoshima University.

2009-2011: Major Advisory Professor, The United Graduate School of Agricultural Sciences, Kagoshima University.

1999-2002: Assistant Professor, Division of Bioresources and Environmental Sciences, Kyushu University.

Research stay

2004-2005: guest researcher, Department of Water Resources Engineering, Lund University, Sweden.

Research interests

Reactive transport in groundwater

Physical and chemical hydrogeology and heterogeneity

Saltwater Intrusion and subsurface dam

Groundwater modeling

Remediation of contaminated soils and groundwater

Administrative and organizational skills

2013-2013, Editor, Stochastic Environmental Research and Risk Assessment

2013-present, Editor, Journal of Japanese Society of Soil Physics

2009-present, Editor, Journal of Groundwater Hydrology

2007-2009, Member of the international comittee, Japanese association of groundwater hydrology

2006-present, Editor, Journal of Japan Society of Hydrology and Water Resources

2006-2009, Member of the working group of in-situ tracer test, Japanese association of groundwater hydrology

2003-present, Member of the Hydrology Division, Committee on Hydroscience and Hydraulic Engineering, Japan Society of Civil Engineers

Referee for


See Publons


Journal of Groundwater Hydrology

Journal of Japan Society of Hydrology and Water Resources,

Annual Journal of Hydraulic Engineering JSCE (Japan Society of Civil Engineers)

Transactions of JSIDRE (The Japanese Society of Irrigation, Drainage and Rural Engineering)

Journal of JSCE, Ser.C(Geosphere Engineering)

Journal of JSCE, Ser.B1(Hydraulic Engineering)

Journal of JSCE, Ser.G(Environmental Research)


See ORCID; google scholar; research map

A total of 141 peer reviewed scientific contributions, of these 61 peer reviewed international articles (50 Scopus / 43 web of science (WOS) indexed articles).

Some recent contributions (2022-2021):

Is road-side fishpond water in Bangladesh safe for human use? An assessment using water quality indices, (MS Islam, K Nakagawa, M Abdullah-Al-Mamun, MAB Siddique, R Berndtsson), Environmental Challenges 6, 100434, 2022

Distribution of heavy metals and related health risks through soil ingestion in rural areas of western Japan, (K Nakagawa, T Imura, R Berndtsson), Chemosphere 290, 133316, 2022

Groundwater nitrogen response to regional land-use management in South Japan, (ZQ Yu, K Nakagawa, R Berndtsson, T Hiraoka, Y Suzuki), Environmental Earth Sciences 80 (18), 1-18, 2021

Spatiotemporal variation of nitrate concentrations in soil and groundwater of an intensely polluted agricultural area, (K Nakagawa, H Amano, M Persson, R Berndtsson), Scientific reports 11 (1), 1-13, 2021

Spatial characteristics of groundwater chemistry in Unzen, Nagasaki, Japan, (K Nakagawa, H Amano, R Berndtsson), Water 13 (4), 426, 2021

Effects of the Japanese 2016 kumamoto earthquake on nitrate content in groundwater supply, (K Nakagawa, J Shimada, ZQ Yu, K Ide, R Berndtsson), Minerals 11 (1), 43, 2021