Alan Mair


Alan Mair's research focuses on quantifying the impacts of climate and land-cover change on freshwater availability in the Hawaiian Islands and other Pacific island communities. His active research studies include:



PhD, Natural Resources & Environmental Management, University of Hawai‘i, Mānoa, 2009

MEng, Civil & Environmental Engineering, California Polytechnic State University, San Luis Obispo, 1989

BS, Electrical Engineering, University of California, Santa Barbara, 1986



Professional Civil Engineer, California and Hawai‘i

Professional Hydrologist (Groundwater), American Institute of Hydrology


Professional Experience

Hydrologist, USGS Pacific Islands Water Science Center, Honolulu, Hawai‘i, 2013-present

Postdoctoral Fellow, Water Resources Research Center and Geology & Geophysics, University of Hawai‘i, Mānoa, 2009-2013

Water Resources Engineer, Sustainable Resources Group Intn’l, Kailua, Hawai‘i, 2008-2011

Research Assistant, Natural Resources and Environmental Management, University of Hawai‘i, Mānoa, 2004-2008

Technical Trainer, U.S. Peace Corps, Bohol, Philippines, 2004

Senior Engineer, ENVIRON Consulting Services, Kuala Lumpur, Malaysia, 2002-2003

Senior Engineer, Pacific GeoScience, San Anselmo, California, 2001-2002

Water Resources & Sanitation Volunteer, U.S. Peace Corps, Romblon, Philippines, 1998-2001

Senior Associate Engineer, ENVIRON International Corp., Emeryville, California, 1992-1998

Staff Engineer, Herzog Associates, Petaluma, California, 1989-1992

Assistant Engineer, County of San Luis Obispo, San Luis Obispo, California, 1989

Graduate Student Assistant, California Regional Water Quality Control Board, South Lake Tahoe, California, 1988



Izuka SK, Engott JA, Bassiouni M, Johnson AG, Miller LD, Rotzoll K, Mair A, 2016. Volcanic aquifers of Hawai‘i—hydrogeology, water budgets, and conceptual models: U.S. Geological Survey Scientific Investigations Report 2015-5164, 158 p.,

Hagedorn B, Mair A, Tillery S, El-Kadi AI, Ha K, Koh G-W, 2014. Simple equations for temperature simulations on mid-latitude volcanic islands: a case study from Jeju (Republic of Korea). Geosciences Journal, 18: 381. doi:10.1007/s12303-014-0022-x.

El-Kadi AI, Tillery S, Whittier RB, Hagedorn B, Mair A, Ha K, Koh G-W, 2013. Assessing sustainability of groundwater resources on Jeju Island, South Korea, under climate change, drought, and increased usage. Hydrogeology Journal: 1-18 DOI 10.1007/s10040-013-1084-y.

Mair A, 2018, Land-cover map for the Island of Maui, Hawaii, circa 2017 (ver. 1.1, February 2018): U.S. Geological Survey data release,

Mair A, El-Kadi AI, 2013. Logistic regression modeling to assess groundwater vulnerability to contamination in Hawaii, USA. Journal of Contaminant Hydrology, 153(0): 1-23.  

Mair A, El-Kadi AI, Ha K, Koh GW, 2013. Temporal and spatial variability of rainfall and climate trend on Jeju Island. Geosciences Journal, 17(1):75-85.

Mair A, Hagedorn B, Tillery S, El-Kadi AI, Westenbroek S, Ha K, Koh G-W, 2013. Temporal and spatial variability of groundwater recharge on Jeju Island, Korea. Journal of Hydrology, 501(0), 213-226.

Mair A, El-Kadi AI, 2012. Source Water Assessment Program in Hawai‘i: Audit of the Susceptibility Analysis for Groundwater Sources. Geology & Geophysics, University of Hawai‘i. Prepared for State of Hawai‘i Department of Health.

Safeeq M, Mair A, Fares A, 2012. Temporal and spatial trends in air temperature on the island of O‘ahu, Hawai‘i. International Journal of Climatology, doi: 10.1002/joc.3629.

Fares A, Abbas F, Maria D, Mair A, 2011. Improved calibration functions of three capacitance probes for the measurement of soil moisture in tropical soils. Sensors 11: 4858-4874.

Hagedorn B, El-Kadi AI, Mair A, Whittier R, Ha K, 2011. Estimating recharge in fractured aquifers of a temperate humid to semiarid volcanic island (Jeju, Korea) from water table fluctuations and Cl, CFC-12 and 3H chemistry. Journal of Hydrology, 409(3-4):650-662.

Mair A, Hagedorn B, Tillery S, Whittier R, El-Kadi AI, 2011. Water Budget Analysis and Sustainable Yield Assessment for Jeju Island, South Korea: Alternative Groundwater Recharge Estimation, Climate Data Analysis, Water Balance Modeling, and Sustainable Yield Assessment, Phase II Report. Water Resources Research Center, University of Hawai‘i. Prepared for Korean Institute of Geosciences and Mineral Resources.

Mair A, Fares A, 2011. Comparison of rainfall interpolation methods in a mountainous region of a tropical island. Journal of Hydrologic Engineering, 16(4):371-383.

Mair A, Fares A, 2011. Time series analysis of daily rainfall and streamflow in a volcanic dike-intruded aquifer system, O‘ahu, Hawai‘i, USA. Hydrogeology Journal, 19(4): 929-944.

Mair A, Fares A, 2010. Assessing rainfall data homogeneity and estimating missing records in Mākaha valley, O‘ahu, Hawai‘i. Journal of Hydrologic Engineering, 15(1):61-66.

Mair A, Fares A, 2010. Influence of groundwater pumping and rainfall spatio-temporal variation on streamflow. Journal of Hydrology, 393(3-4):287-308.

Mair A, Fares A, 2010. Throughfall characteristics in three non-native Hawaiian forest stands. Agricultural and Forest Meteorology, 150(11):1453-1466.

Mair A, Fares A, El-Kadi AI, 2007. Effects of rainfall and groundwater pumping on streamflow in Mākaha, O‘ahu, Hawai‘i. Journal of the American Water Resources Association, 43(1):148- 159.