Hawaii: A tropical paradise with clean water environment

CP-1994-12 Hawaii: A tropical paradise with clean water environment Lau, L. Stephen This paper discusses Hawaii in terms of a tropical paradise with a clean water environment. Water resources include groundwater, coastal waters, and other waters such as the few…

Ground-water tracing with injected helium

CP-1994-10 Ground-water tracing with injected helium. Gupta, S.K., L. Stephen Lau, and Philip S. Moravcik Helium has several characteristics that make it attractive for use as a tracer in hydrological studies. Two types of experiments were conducted to investigate applicability…

Use of helium as a hydrological tracer

CP-1994-09 Use of helium as a hydrological tracer Gupta, Sushil K., Philip S. Moravcik, and L. Stephen Lau Helium has several characteristics which make it attractive for use as a tracer in hydrological studies. These include its inert nature, relatively…

Artificial recharge of ground water for all purposes?

CP-1994-07 Artificial recharge of ground water for all purposes? Lau, L. Stephen Along a dry, hot coast on the island of Oahu, Hawaii, several needs-water demand for a new city, salinization control for a limestone aquifer, and management of wastewater…

Wellhead protection strategy for small aquifers: A study of Hawaii

CP-1994-05 Wellhead protection strategy for small aquifers: A study of Hawaii. Lau, L. Stephen, Delwyn S. Oki, and John F. Mink. Small aquifers, especially those of high permeability and with well-defined boundaries, lend themselves to alternative approaches to wellhead and…

Modeling atoll groundwater systems.

CP-1994-04 Modeling atoll groundwater systems. Peterson, Frank L., and Stephen B. Gingerich With the application of high-speed computer modeling, we have begun to understand the details of hydrodynamic processes within atoll groundwater systems. One model used to simulate variable-density groundwater…