Application of Radar Imagery as Input to a Rainfall-Runoff Model for the Kawela Watershed, Molokai
SPONSOR: USGS – WRIP PROJECT PERIOD: 9/01/2008 – 12/31/2009 ABSTRACT: Watershed-scale studies in Hawaii can integrate several aspects of basin hydrology, such as stream flow, ground-water recharge, pollutant transport, streambed erosion, and sediment discharge. In addition, the effects of rainfall…
A Decision Support Tool for Managing the Pipe Network of the Honolulu Board of Water Supply
SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 3/1/2009 – 2/28/2010 ABSTRACT: The development of asset management plans for public facilities was strongly recommended by the EPA and GAO. At the Honolulu Board of Water…
Measuring Soil Water Content and Electrical Conductivity Under High Salinity Conditions Using a Novel TDR Method
SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 3/1/2010 – 2/28/2011 ABSTRACT: Salt accumulation from irrigation is a significant and growing problem on many agricultural lands. The efficient operation of an irrigation system relies on,…
A Decision Support Tool for Managing the Pipe Network of the Honolulu Board of Water Supply (Year 2)
SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 3/1/2010 – 2/28/2011 ABSTRACT: Similar to numerous other cities, Honolulu’s municipal water systems has many aging and unreliable components. The Board of Water Supply contends with a…
Development of an Advanced Surface Tensiometer for Measuring Water Quality
SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 3/1/2011 – 2/28/2013 ABSTRACT: Characterizing the physical, chemical and biological properties of potable and recreational waters plays a vital role in assessing and controlling water quality. The…
Experimental Study of Humidification-Dehumidification (HDH) Seawater Desalination Driven by Solar Energy
SPONSOR: USGS PROJECT PERIOD: 03/01/08 – 02/28/09 ABSTRACT: A relatively new desalination process called humidification-dehumidification (HDH) was proposed as a feasible solution to the freshwater shortage problem in Hawaii. HDH operates under near ambient pressure and low temperature and can…
Measuring Soil Water Content and Electrical Conductivity Under High Salinity Conditions Using a Novel TDR Method
SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 3/1/2010 – 2/28/2011 ABSTRACT: Salt accumulation from irrigation is a significant and growing problem on many agricultural lands. The efficient operation of an irrigation system relies on,…
Acquire Sedimentation Data to Promote Reservoir Sustainability and Advance Watershed Science
SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 3/1/2012 – 2/28/2013 ABSTRACT: Hawaii’s reservoirs face growing scrutiny due to heightened dam safety and flood control concerns, increasing water demands, and uncertain water pollution effects. Although…
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…
