Quantifying effects of humans and climate on groundwater resources through modeling of volcanic-rock aquifers of Hawaii

Kolja Rotzoll, University of Hawaii, Water Resources Research Center, Honolulu, HI, United States, Scot K Izuka, USGS Pacific Islands Water Science, Honolulu, HI, United States, Tracy Nishikawa, USGS California Water Science Center San Diego, San Diego, CA, United States, Michael N Fienen, U.S. Geological Survey, Upper Midwest Water Science Center, Madison, United States and Aly I El-Kadi, University of Hawaii at Manoa, Honolulu, HI, United States