Survey and Modeling Analysis of MS4 Highway Storm Runoff on Oahu, Hawaii
SPONSOR:Hawaii Department of Transportation PROJECT PERIOD:09/01/08 – 08/31/10 ABSTRACT:Under Section 402 of the U.S. Clean Water Act, highway storm runoff is considered to be part of urban point source pollution and is regulated by the National Pollutant Discharge Elimination System…
Improving Water Resource Assessment in Hawaii by Using LiDAR Measurements of Canopy Structure to Estimate Rainfall Interception
SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 03/01/08 – 02/28/09 ABSTRACT: Water resources in Hawaii continue to experience increasing demand, putting pressure on existing sources and increasing the need for better estimates of resource…
Determination of the Relationship Between Biodiversity and Trophic Status of Wahiawa Reservoir
SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 03/01/08 – 02/28/09 PROJECT PIs: Tao Yan, and Clark C.K. Liu ABSTRACT: Nutrient enrichment in rivers and lakes has been a changing phenomenon in the past three…
Assessing the Influence of Land-Based Discharges (Streams, Storm Drain, Groundwater) on the Concentrations and Ratio of Four Human Pathogenic Marine Vibrio spp. in Four Categories of Coastal Water Environments of Hawaii
SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 3/1/2009 – 2/28/2010 ABSTRACT: Vibrios are indigenous marine bacteria capable of causing disease in both marine animals and humans. The four main human pathogens, V. vulnificus, V.…
The Determination of the Relationship between Biodiversity and the Trophic State of Wahiawa Reservoir, Phase II
SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 3/1/2010 – 2/28/2011 PROJECT PIs: Tao Yan, and Clark C.K. Liu ABSTRACT: Continuing work begun in the FY2008 budget cycle, Professor Clark Liu and Assistant Professor Tao…
Cleaning Up Oahu’s Costal Waters, the Role of Tube-Building Polychaetes in Sediment Dynamics
SPONSOR: WRRIP 2010 PROJECT PERIOD: 3/1/10 – 2/28/11 ABSTRACT: Marine sediments in coastal waters and their biota are affected by human disturbance. Drainage from land, groundwater incursion and seasonal effects such as high surf are all part of the natural…
Asia Pacific Information Exchange (APIX) Water Purification Systems for Humanitarian Assistance and Disaster Response
SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 03/01/2010 – 09/30/2012 ABSTRACT: The Asia Pacific Information Exchange (APIX) program is intended to benefit both the U.S. and partner nations. APIX serves as a platform for…
Modeling to Support Monitoring Waiver for Selected Wells in Hawaii
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…
Long-Term Aspects of High-Elevation Rainfall and Climate Change, O’ahu
SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 3/1/2011 – 2/28/2013 ABSTRACT: The climate and precipitation regime of the North Pacific and Hawai’i varies substantially across timeframes from annual to decadal and longer, and includes…
Investigation into Effect of Soil Moisture Depletion on Vegetable Crop Uptake of Microcontaminants Under Recycled Water Irrigation
SPONSOR: U.S. Department of Agriculture PROJECT PERIOD: 01/01/11 – 12/31/13 ABSTRACT: The long-term goal of this study was to determine the effects of soil moisture stress on the uptake of microcontaminants of potential human health concern found in wastewater irrigation…