Estimating Hydraulic Properties for Volcanic Island Aquifers Using Wave Setup

SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 03/01/07 – 02/28/08 ABSTRACT: The objective of this study was to investigate the influence of swells and wave setup on low-frequency water-table variations in a coastal aquifer…

Assessing Effects of Intraborehole Flow in Deep Monitoring Wells on Estimates of Aquifer Salinity Profiles

SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program USGS PROJECT PERIOD: 9/01/07 – 12/31/08 ABSTRACT: There is a heavy reliance on salinity-versus-depth profiles from deep monitor wells for the regulation ground-water withdrawals in some locations in Hawaii.…

Optimal Groundwater Extraction and Water Recycling

SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 3/1/2009 – 2/28/2011 ABSTRACT: Water scarcity has long been an important issue in many regions around the world and the threat of climate change has recently brought…

Numerical Simulation of the Effects of Borehole Flow on Measured Vertical Salinity Profiles from Deep Monitor Wells, Pearl Harbor Aquifer, Oahu, Hawaii

SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 8/01/2009 – 7/31/2010 ABSTRACT: A recent numerical-modeling study of coastal wells in Israel indicated an upward displacement of the borehole salinity in wells located in the coastal-discharge…

Assessment of Hydraulic Properties through Tidal Ground-level Analysis for the State of Hawaii

SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 03/01/2013-02/28/2014 ABSTRACT: The Hawaii aquifers supply water to 1.36 million residents, diverse industries, and a large segment of the U.S. military in the Pacific. With the increase…

Optimal Groundwater Extraction and Water Recycling

SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 3/1/2009 – 2/28/2011 ABSTRACT: Water scarcity has long been an important issue in many regions around the world and the threat of climate change has recently brought…

Determination of Groundwater Fluxes and Evaluation of Water-Level Data to Characterize Effectiveness of Low- Permeability Valley-Fill Deposits in the Pearl Harbor Aquifer Area

SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 9/1/2012 – 10/31/2013 ABSTRACT: This study was aimed at assessing the effects of stream valleys that are filled with alluvium below the water table that act as…

Evaluation of the Impact of Drought Conditions upon the Waiahole Ditch System Development Tunnels: Ground Water Sustainability Implications under Adverse Climate Change Conditions

SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 3/1/2013 – 2/28/2014 ABSTRACT: Reductions in the base-flow discharges of the high-level development tunnels of the Waiahole Ditch System are believed to be associated with regional recharge…

Assessing Ground Water Sustainability of the Island of Tutuila, American Samoa

SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 3/1/2013 – 2/28/2014 ABSTRACT: Anthropogenic and natural sources of contaminants on the island of Tutuila, American Samoa, represent a serious threat to groundwater, surface-water, coastal waters, and…

Assessment of Hydraulic Properties through Tidal Ground-level Analysis for the State of Hawaii

SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 03/01/2013-02/28/2014 ABSTRACT: The Hawaii aquifers supply water to 1.36 million residents, diverse industries, and a large segment of the U.S. military in the Pacific. With the increase…

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