SPONSOR:
National Oceanic and Atmospheric Administration (NOAA) through the East-West Center (EWC)

PROJECT PERIOD:
9/1/2012 – 8/31/2013

ABSTRACT:

Ground water is the primary source of municipal water on most developed islands in the Pacific, and yet the reliability of water supplies on all
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SPONSOR:
WRRIP 2008

PROJECT PERIOD:
03/01/08 – 02/28/09

ABSTRACT:

We proposed an intertemporal and spatial optimization model to derive an efficient pricing scheme for the integrated water system of Southern Oahu. Welfare gains from this scheme were analyzed and compared to those associated
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SPONSOR:
WRRIP 2008

PROJECT PERIOD:
3/1/2005 – 2/28/2006

ABSTRACT:
We provided a general model of groundwater optimization over space and time, allowing for growing demand and a backstop resource. The model was used to compare resource allocation and welfare under efficient groundwater management
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SPONSOR:
National Institute for Water Resources, Water Resources Research Institute Program

PROJECT PERIOD:
3/1/2015 – 2/28/2017

ABSTRACT:
The surface waters in the Kahaluu Lagoon on the windward side of Oahu fronted by Kaneohe Bay have been shown to have very high levels of
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SPONSOR:
Honolulu Board of Water Supply

PROJECT PERIOD:
07/20/2015-07/08/2017

ABSTRACT:
Surface water harvesting is a conservation method used to augment groundwater supply. The method is a form of Aquifer Storage and Recovery (ASR), which involves capturing excess water during wet periods and injecting
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SPONSOR:
National Institute for Water Resources, Water Resources Research Institute Program

PROJECT PERIOD:
3/1/2015 – 2/28/2016

ABSTRACT:
Recent drilling log and depth profile data acquired from boreholes drilled through the basal lens in the northern Keauhou aquifer suggest that cold, intermediate depth seawater
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SPONSOR:
National Institute for Water Resources, Water Resources Research Institute Program

PROJECT PERIOD:
07/20/2015-07/08/2017

ABSTRACT:

Deteriorating water quality and resulting water shortage is an ongoing threat to the sustainability of domestic water supplies on Tutuila, the main island in the territory of
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SPONSOR:
National Institute for Water Resources, Water Resources Research Institute Program

PROJECT PERIOD:
3/1/2014 – 2/28/2016

ABSTRACT:
Recent rapid development in the North Kona District of West Hawaii has raised concerns regarding the sustainability of the region’s groundwater resources in the face of
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SPONSOR:
National Institute for Water Resources, Water Resources Research Institute Program

PROJECT PERIOD:
03/01/2014-02/28/2015

ABSTRACT:

Faga’alu Valley on Tutuila Island, American Samoa, has been designated as a priority watershed management area by the NOAA Coral Reef Conservation Program. While Faga’alu’s surface water
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SPONSOR:
National Institute for Water Resources, Water Resources Research Institute Program

PROJECT PERIOD:
03/01/2014-02/29/2015

ABSTRACT:

Sensible and latent heat fluxes are the key variables in energy and water vapor exchange between the land surface and the atmosphere. Latent heat flux is the
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SPONSOR:
National Institute for Water Resources, Water Resources Research Institute Program

PROJECT PERIOD:
3/1/2014 – 2/28/2016

ABSTRACT:
The volcanic-rock aquifers of Oahu supply freshwater to 70 percent of Hawaii’s population and most of other needs, including commerce, industry, and U.S. military. The resident
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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 of residential population
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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 coral reefs. Major
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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 distribution shortfalls to
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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 hydrologic barriers to
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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 it further to the forefront of
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SPONSOR:
Hawaii Department of Health, USEPA

PROJECT PERIOD:
03/14/11 – 09/30/12

ABSTRACT:
Quarterly monitoring of source water from drinking water wells in Hawaii has been going on for decades. However, many of these wells show no evidence of contamination. For a contaminant to appear in a well,
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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 of residential population on the islands, drinking
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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 area of the aquifer while it is
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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 it further to the forefront of policy
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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. Because of possible intraborehole flow effects, however,
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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 and to utilize wave setup in hydraulic
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SPONSOR:
National Institute for Water Resources, Water Resources Research Institute Program

PROJECT PERIOD:
Environet

ABSTRACT:
This research was a collaboration involving personnel and other resources from Environment Inc., the US Army, and the Hawaii Agricultural Research Center (HARC) that was utilized in experiments that were conducted at
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SPONSOR:
TEC Incorporated

PROJECT PERIOD:
01/01/06 – 02/28/07

ABSTRACT:
The US Navy’s bulk fuel storage facility at Red Hill is located in the ridge between south Halawa Valley and Moanalua Valley on the island of Oahu. The facility was constructed in the early 1940’s and consists of
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SPONSOR:
National Institute for Water Resources, Water Resources Research Institute Program

PROJECT PERIOD:
3/1/2006 – 8/31/2008

ABSTRACT:
The establishment of the rainfall-runoff relationship of a watershed is an important and difficult problem in applied hydrology. The rainfall-runoff relationships of Hawai‘i watersheds are even more difficult to establish
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SPONSOR:
National Institute for Water Resources, Water Resources Research Institute Program

PROJECT PERIOD:
3/1/2006 – 2/28/2007

ABSTRACT:
The problem of groundwater management has been studied widely in the literature. However, all of the previous studies limited their attention to the single aquifer case. In many places, water
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SPONSOR:
Hawaii Commission on Water Resources Management (CWRM)

PROJECT PERIOD:
2006 – 2008

ABSTRACT:
Basal aquifers, in which freshwater floats on top of saltwater, are the major freshwater supply for the Hawaiian Islands, as well as many other coastal regions around the world. Under unexploited or natural
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SPONSOR:
National Institute for Water Resources, Water Resources Research Institute Program

PROJECT PERIOD:
3/1/2005 – 2/28/2006

ABSTRACT:
Tracer tests are an important method for determining the flow characteristics and patterns of subsurface water (such as groundwater aquifers) and surface water bodies (such as streams and the ocean).
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SPONSOR:
Hawaii Commission on Water Resources Management (CWRM)

PROJECT PERIOD:
05/01/04 – 12/31/05

ABSTRACT:
Basal aquifers, in which freshwater floats on top of saltwater, are the major freshwater supply for the Hawaiian Islands, as well as many other coastal regions around the world. Under unexploited or natural
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SPONSOR:
USGS Pacific Islands Water Science Center

PROJECT PERIOD:
7/2004 – 12/2005

ABSTRACT:
Most published solutions for aquifer responses to ocean tides focus on the one-sided attenuation of the signal as it propagates inland. However, island aquifers experience periodic forcing from the entire coast, which can lead
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SPONSOR:
Hawaii Department of Health, Safe Drinking Water Branch

PROJECT PERIOD:
04/23/04 – 06/28/05

ABSTRACT:
A WRRC team headed by Dr. Aly El-Kadi has recently completed the task of conducting an assessment of the State’s 450-odd drinking water sources for the State Department of Health (DOH). The
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SPONSOR:
U. S. Army Garrison-Hawaii

PROJECT PERIOD:
09/01/00 – 03/31/01

ABSTRACT:
The Schofield Army Barracks Wastewater Treatment Plant (SBWWTP) treats wastewater from the following facilities in central Oahu, Hawaii: U.S. Army’s Schofield Barracks Military Reservation, Wheeler Army Air Field, Camp Stover Housing Area, Helemano Military Reservation, U.S.
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SPONSOR:
National Institute for Water Resources, Water Resources Research Institute Program

ABSTRACT:
The goal of the project was to determine the contribution of baseflow, surface runoff, and sediments to pollutant fluxes in Faga’alu watershed in Tutuila, American Samoa. The work utilized a watershed model (SWAT) and a
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