About Us: Michael K. Stewart


Consultant geohydrologist & isotopic geochemist


PhD (Geology), University of Pennsylvania, USA, 1974;

MSc (Physics), University of Canterbury, NZ, 1965

Years as a practising researcher: 




NZ Royal Society’s Science & Technology Bronze Medal for contributions to the Advancement of Science in New Zealand (2002)

NZ Hydrological Society’s Awards for Outstanding Achievement in
Hydrological Science (2001) & for Services to NZHS on the Occasion of it's 50th Jubilee (2011)

Editor, Journal of Hydrology New Zealand (1993-2002)

Executive Member, NZ Hydrological Society (1992-2002)

Member & Hon Auditor, NZ Geochemical Group (1974-present)


Employment Record:

2005-2016 Consultant: Aquifer Dynamics Ltd, Lower Hutt, NZ
1992-2005  Principal Scientist: GNS Science, Lower Hutt, NZ
1974-1992 Scientist: Institute of Nuclear Sciences, DSIR, NZ
1972-1974  NSF-funded Research: US Geological Survey, USA (PhD thesis)
1970-1971  Teaching and Research Fellow: University of Pennsylvania, USA
1965-1969  Scientist: Institute of Nuclear Sciences, DSIR, NZ