TOPICS: RESEARCH

A comprehensive approach to value Waikīkī Beach

 Research Projects 2020-2022 PRINCIPAL INVESTIGATOR: Nori Tarui Co-INVESTIGATORS: Takahiro Tsuge Graduate Fellow: Marcus Peng How much would we lose with further Waikīkī Beach erosion? Though the value is likely substantial, no study has a holistic estimate of various types of values ...

A next generation beach observing system for Hawaiʻi

 Research Projects 2018-2020 PRINCIPAL INVESTIGATOR: Chip Fletcher Co-INVESTIGATORS: Mark Merrifield, Douglas Luther Graduate Fellows: Kammie Tavares, Anna Baker Mikkelson The proposed project will develop and institute a next-generation program for monitoring short and long-term changes in shoreline location and beach ...

Assessing the vulnerability of coastal wastewater infrastructure to climate change

 Research Projects 2016-2018 PRINCIPAL INVESTIGATOR: Daniele Spirandelli Graduate Fellow: Theresa Dean Clean water is vital for stable economic growth, as well as human and environmental health. Water, wastewater services, and other critical infrastructures enable communities to prosper while protecting sensitive ...

Building Science Experiments

In this episode, we’re designing, building, and conducting underwater experiments to learn about macro algae, fish, and the reef’s interdependencies. Watch the trailer for Season 3, Episode 12 on Vimeo or Youtube. FULL EPISODE Or watch this episode on YouTube Curriculum Connections: Grades 6-12: ...

Coastal Ocean Hawaiʻi Acidification Monitoring Network (COHAMN) and carbonate mineral dissolution study

 Research Projects 2016-2018 PRINCIPAL INVESTIGATOR: Eric DeCarlo Co-INVESTIGATORS: Michael Guidry, Fred Mackenzie Graduate Fellow: Lucie Knor Human emissions of carbon dioxide into the atmosphere have led to partial uptake of this gas by the oceans. This process increases the acidity ...

Collaborative investigation of hydraulic and geochemical connectivity between wastewater and land-use and the oceanic waters of Kāneʻohe Bay, Oʻahu

 Research Projects 2016-2018 PRINCIPAL INVESTIGATOR: Craig Glenn Co-INVESTIGATORS: Henrietta Dulai, Aly El-Kadi, Craig Nelson, Celia Smith, Robert Whittier Graduate Fellow: Michael Mathioudakis The risk that sewage effluent released to the environment poses to human health and the environment is well documented, ...

Collaborative investigation of hydraulic and geochemical connectivity between wastewaters and other land-uses and the ocean waters of Waialua Bay, Oʻahu

 Research Projects 2018-2020 PRINCIPAL INVESTIGATOR: Craig Glenn Co-INVESTIGATORS: Aly El-Kadi, Henrietta Dulai, Celia Smith, Robert Whittier Graduate Fellows: Jordan Mason, Lucas Ellison The risk that sewage effluent released to the environment poses to human health and the environment is well documented, and ...

Collaborative Study of Groundwater Transport Paths and Discharge Loads of Wastewaters and Other Land-Uses that Impact the Ewa Coastal Zones of West Oʻahu

 Research Projects 2020-2022 PRINCIPAL INVESTIGATOR: Craig Glenn Co-INVESTIGATORS: Aly El-Kadi, Celia Smith, Marek Kirs, Niels Grobbe, Robert Whittier Graduate Fellows: John Cameron, Matthew Duff The risk that sewage effluent released to the environment poses to human health and the environment is well ...

Coral reef CO2 variations at the Coastal Ocean Hawaiʻi Acidification Network (COHAMN): Impact of basin scale oceanographic forcing

 Research Projects 2018-2020 PRINCIPAL INVESTIGATOR: Eric DeCarlo Co-INVESTIGATOR: Michael Guidry Graduate Fellow: Lucie Knor This study offers to continue the highly successful MAPCO2 buoy program that we have been conducting at four coral reef sites around the island of Oʻahu, ...

Coral Reseach on Moorea

In this episode, we learn about the importance of long-term marine research in a changing environment. Researchers from UC Santa Barbara have been studying the reefs in French Polynesia, on the island of Moorea, for over two decades. Their research ...

Data Acquisition Software for Remote Monitoring

Many of our research projects have involve deploying sensors in buildings to measure temperature, humidity, light, and power use. Some of these sensors have been deployed for years and we need reliable, customized software to automatically acquire sensor data and ...

Defining Ecosystem-based Management Boundaries Using Genetics and Fisheries Data

PRINCIPAL INVESTIGATOR: ROBERT TOONEN Graduate Student: Johanna Wren The exchange of individuals among populations, termed connectivity, is a central element of population persistence and maintenance of genetic diversity, and influences most ecological and evolutionary phenomena. To date, field studies of ...

Differentiating treated and untreated wastewater contamination in a tropical coastal community using microbial community genomics

 Research Projects 2020-2022 PRINCIPAL INVESTIGATOR: Craig Nelson Co-INVESTIGATORS: Tracy Wiegner Graduate Fellow: Nicolas Vanderzyl Sewage contamination of coastal waters is a global phenomenon and is an important public health concern. In tropical areas where coral reefs thrive in relatively pristine waters, even trace ...

Do seawalls lower property values?

 Research Projects 2016-2018 PRINCIPAL INVESTIGATOR: John Lynham Co-INVESTIGATOR: Arlan Brucal Seawalls protect homes but also cause beach loss. Is the benefit worth the cost? One way to estimate the cost is to see how much property values and associated property ...

Economic activity, technological progress, and water resource utilization on Oʻahu

 Research Projects 2018-2020 PRINCIPAL INVESTIGATOR: Peter Fuleky Co-INVESTIGATOR: Kimberly Burnett Graduate Fellow: Sisi Zhang Water management authorities on Oʻahu are increasingly looking for improved methods to plan for future water demand. Our proposed project will provide an innovative way to ...

Effects of watershed restoration to traditional Hawaiian land use practices on health of nearshore coral reef ecosystems

 Research Projects 2020-2022 PRINCIPAL INVESTIGATOR: Rob Toonen Co-INVESTIGATORS: Chris Jury Graduate Fellow: Paolo Marra-Biggs Native Hawaiians used the ahupuaʻa system to successfully manage their natural resources for centuries prior to Western contact. Following Western contact, this land management system was largely abandoned, ...

Enabling real-time predictive modeling of microbial pathogen risk along the Honolulu shoreline

 Research Projects 2018-2020 PRINCIPAL INVESTIGATOR: Craig Nelson Co-INVESTIGATORS: Anna Neuheimer, Grieg Steward, Margaret McManus Graduate Fellow: Jessica Bullington Microbial pathogen contamination of coastal ecosystems in Hawaiʻi is a significant threat to both human and ecological health and can have major impacts on ...

Energy Monitoring and Simulation Aims to Save Money for Residents

Energy Monitoring and Simulation Aims to Save Money for Residents Relevance: Reducing energy use in buildings is vital to achieve Hawaiʻi’s 100 percent clean energy goal by 2045 and mitigate climate change. Response: Monitoring and simulation of energy use in ...

Energy Performance Recommendations Inform Plans and Incentives for Multi-family Housing Associated with Rail Development

Energy Performance Recommendations Inform Plans and Incentives for Multi-family Housing Associated with Rail Development Assistant professor Wendy Meguro and consultant WSP, an engineering firm, identified energy targets and effective energy efficiency measures in multi-family buildings and estimated the effects of ...

Energy Targets and Efficiency Measures in Multifamily Subtropical Buildings

The Technology | Architecture + Design journal article by associate professor Wendy Meguro and Elliot Glassman from WSP, "Evaluating Energy Targets and Efficiency Measures in Multifamily Subtropical Buildings through Automated Simulation" (April 2021) is available free online here This study ...

Enhancing social-ecological resilience and ecosystem services through restoration of coastal agroforestry systems

 Research Projects 2020-2022 PRINCIPAL INVESTIGATOR: Leah Bremer Co-INVESTIGATORS: Tamara Ticktin, Clay Trauernicht, Kawika Winter Graduate Scholar: Gina McGuire Agroforestry systems have the capacity to support resilient coastal communities through providing food, conserving native biodiversity, and supporting multiple ecosystem services, and represent ...

Envisioning In Situ Sea Level Rise Adaptation Strategies for a Densely Developed Coastal Community, Waikiki

 Research Projects 2020-2022 PRINCIPAL INVESTIGATOR: Wendy Meguro Co-INVESTIGATORS: Charles Fletcher Graduate Fellows: Josephine Briones, Ireland Castillo This proposal addresses the problem of adaptation of a coastal urban area to flooding as sea level rises in Waikīkī, with globally replicable methods. Waikīkī, ...

Fish Flow: Filling the gap between spawning and settlement

 Research Projects 2016-2018 PRINCIPAL INVESTIGATOR: Brian Bowen Co-INVESTIGATOR: Stephan Karl Graduate Fellow: Derek Kraft The proposed research will track fish from egg production to the reefs where they settle and enter local fisheries on Oʻahu and adjacent islands. To promote sustainable use of ...

Fish Origins Revealed in DNA

We’re investigating the origins of Hawaiian reef fishes with Dr. Brian Bowen’s lab at the Hawai‘i Institute of Marine Biology. The Hawaiian islands are in the middle of the Pacific Ocean Basin and far away from other coral reefs—meaning that ...

Flood Hazard and Sea Level Rise Mitigation Standards Incorporated into Updated Waikiki Guidelines

Flood Hazard and Sea Level Rise Mitigation Standards Incorporated into Updated Waikiki Guidelines Relevance: The urgent regional need to address sea level rise is evident in The Hawai'i Sea Level Rise Vulnerability and Adaptation Resport's predicted predicted $19 billion in ...

Fostering a SOEST culture of place-based and community-based pedagogy in support of coastal sustainability in Hawaiʻi

 Research Projects 2020-2022 PRINCIPAL INVESTIGATOR: Barbara Bruno Co-INVESTIGATORS: Daniela Bottler-Wilson, Jennifer Engels Graduate Scholars: Tineill Dudoit In Hawai‘i and the Pacific, coastal communities are facing unprecedented stresses, which are adversely impacting water quality, quantity, and ecosystem health. The solutions lie ...

Going Beyond Code

To support Hawai'i's 100% renewable energy goal by 2045, Hawai'i Sea Grant faculty, their colleagues, and seven student researchers just published a paper to show how house design and construction practices can be modified to meet the newly adopted, more ...

Growth optimization and survival of the bleaching-resistant coral genus Pavona for reef restoration in Hawaiʻi

 Research Projects 2018-2020 PRINCIPAL INVESTIGATOR: Peter Marko Graduate Fellow: Claire Lewis Healthy corals are crucial to coral reef ecosystems, a fundamental part of the Hawaiian economy.  Unfortunately, coral reefs are threatened worldwide by human activity and climate change.  Nowhere is ...

Harnessing environmental DNA for healthy reefs

 Research Projects 2018-2020 PRINCIPAL INVESTIGATOR: Brian Bowen Co-INVESTIGATOR: Michelle Gaither Graduate Fellow: Cassie Lyons, Mykle Hoban This proposal is to use environmental DNA (eDNA) to monitor the health of coral reefs in protected and non-protected areas around the Hawaiian Islands. All organisms ...

Hawaiʻi Sea Grant Graduate Fellowship Program

HAWAIʻI SEA GRANT GRADUATE FELLOWSHIP PROGRAM The Hawaiʻi Sea Grant Graduate Fellowship Program provided skills training to graduate students preparing to become scientists and coastal and ocean resource managers through opportunities to engage in outreach, science communication, and informal education ...

Hehihehi management for microbial-mediated sediment removal in fishponds

 Research Projects 2018-2020 PRINCIPAL INVESTIGATOR: Kiana Frank Sedimentation has been identified as one of the top five challenges for restoration faced by fishpond stewards. It is not clear what the most effective (and cheap) mechanisms are for removing such large ...

Hurricane with A History

Hawaiian Newspapers Illuminate an 1871 Storm How 114 years of Hawaiian-language newspapers starting in 1834 extend our knowledge of natural disasters into the nineteenth century and to precontact times ...

Identifying hot spots of sewage pollution in Hilo, Hawaiʻi

 Research Projects 2020-2022 PRINCIPAL INVESTIGATOR: Tracy Wiegner Co-INVESTIGATORS: Steven Colbert, Craig Nelson Graduate Fellow: Shayla Waiki, Joseph Nakoa With the majority of the world’s population living within coastal areas, sewage pollution is a growing global problem. In rural areas, like much of ...

Impacts of climate changes on a native and an invasive Hawaiian plant using a newly developed Intelligent Plant growing System (IPS)

 Research Projects 2018-2020 PRINCIPAL INVESTIGATOR: Camilo Mora Co-INVESTIGATORS: A Zachary Trimble, Kasey Barton Graduate Fellow: Devon DeBevoise Plants sustain humanity, directly providing food, fiber, fuel, and oxygen, and are the foundation for some of the most diverse habitats in the world. In ...

Integrating climate science with local knowledge through community vulnerability assessment on Kauaʻi

 Research Projects 2018-2020 PRINCIPAL INVESTIGATOR: Daniele Spirandelli Graduate Fellow: Alisha Summers Like many low-lying coastal regions of the world, the County of Kauaʻi in Hawaiʻi is vulnerable to the impacts of present and future hazards associated with climate change. While ...

Integration of next-generation sequencing into traditional Hawaiian practices to improve management and restoration of fishponds

 Research Projects 2016-2018 PRINCIPAL INVESTIGATOR: Robert Toonen Graduate Fellow: Kaleonani Hurley Hawaiian fishponds, or loko iʻa, are ancient aquaculture systems that are models of sustainable aquatic resource management based on long-term experience from traditional Native Hawaiian practices. There is much ...

Investigating the origin and impact of sedimentation on the health of Hawaiian mesophotic reefs for sustainable coastal development

 Research Projects 2018-2020 PRINCIPAL INVESTIGATOR: Robert Toonen Graduate Fellow: Evan Barba Hawaiian coral reefs have been valued at over $33.5 billion per year to the US public, and are a major driver of tourism revenue in the State. Yet, coral ...

Ka Pili Kai Spring 2016

Humpback Whale Vocal Communications Between Mothers and Calves Wastewater’s Influence on Coastal Groundwater Quality and the Health of Coral Reefs in Maunalua Bay, O‘ahu Attack of the Drones: Characterizing Groundwater Discharge on Maui Using the Latest Research Tools Simulating Sea-Level ...

Ka Pili Kai Summer 2016

Hawai‘i ’s Water Resources Submarine Groundwater Discharge Water Resources Research Center Highlight: Dr. Aly El-Kadi UH Water Resources Research Center and Sea Grant Partner on $20 M Water Sustainability Project Increasing Access to Safe Drinking Water on Hawai‘i Island The ...

Land-based pollutants in herbivorous reef fishes on Hawaiian reefs

 Research Projects 2018-2020 PRINCIPAL INVESTIGATOR: Megan Donahue Co-INVESTIGATOR: Stephen Karl Graduate Fellows: Eileen Nalley, Julie Zill Pollutants, such as metals, pose a serious threat to coral reef ecosystems. In the past century Hawaiʻi has experienced significant changes in land use, ...

Land-based pollutants on Hawaiian reefs

 Research Projects 2020-2022 PRINCIPAL INVESTIGATOR: Megan Donahue Co-INVESTIGATORS: Kim Falinski Graduate Fellow: Honour Booth This research will examine land-based pollutants, such as metals and persistent organic pollutants (e.g., PCBs), in coastal ecosystems in Hawaiʻi. Ongoing habitat degradation and coastal development, along with ...

Longitudinal assessment: Our Project in Hawaiʻi’s Intertidal (OPIHI)

 Research Projects 2016-2018 PRINCIPAL INVESTIGATOR: Kanesa Seraphin Co-INVESTIGATOR: Joanna Philippoff Graduate Fellow: Florybeth LaValle At the base of the watershed, the intertidal zone is affected by everything that happens upstream, from pollution to development. The intertidal is also vulnerable to threats such ...

Mapping the Freshwater of Hawaiʻi

In this episode, we learn how scientists use chemical signatures to track the flow of freshwater underground and into the ocean as part of the ‘Ike Wai project’s work to map and model the aquifer system of underground, stored freshwater ...

Measuring Mercury in the Clean Room

In this episode, we're invited inside the cleanest room in Hawaii to see how scientists study pollutants in the food web. Watch the trailer for Season 3, Episode 16 on Vimeo or Youtube— Season 3, Episode 16.  FULL EPISODE Or watch ...

Mercury and the Food Web

In this episode, we learn how scientists use isotope analysis to understand food webs and how organisms are interacting. Watch the trailer for Season 3, Episode 15 on Vimeo or Youtube. FULL EPISODE Or watch this episode on YouTube Curriculum Connections: Grade 5: Energy ...

Microbial biogeochemical cycling across a chronosequence of mangrove introductions across Hawaiʻi

 Research Projects 2020-2022 PRINCIPAL INVESTIGATOR: Rosanna Alegado Graduate Scholar: Becca Lensing The red mangrove (Rhizophora mangle) was introduced to Molokaʻi in 1902 and has spread quickly across the main Hawaiian islands. Mangroves are critical to the health of environment where they ...

Mitigating climate change impacts: What drives thermal resiliency in Hawaiʻi’s coral reefs?

 Research Projects 2016-2018 PRINCIPAL INVESTIGATOR: Ruth Gates Graduate Fellow: Shayle Matsuda Reef-building corals engineer the reef structure that provides habitat for an incredible amount of biodiversity. These diverse ecosystems generate economic services valued at billions of dollars annually and have profound cultural ...

Mutualism on the Reef

In this episode, we're in French Polynesia, on the island of Moorea at the Gump Research Station. Scientists are discovering exciting new examples of mutualism on the reef. Watch the trailer for Season 3, Episode 10 on Vimeo or Youtube. FULL EPISODE Or watch ...

Net Zero Energy Classrooms: A Living Laboratory

The FROG Classrooms on the UH Manoa College of Education Campus Serve as a Living Laboratory for Sustainable Design Research Energy research at the UH College of Education net-zero energy classrooms is part of an 8-year collaboration between The University ...

Ongoing Projects

Campus Spatial Survey and Integrated Planning Light Pollution in Hawaiʻi Delamping Initiative Forest City Military Community Energy Efficiency Monitoring Kuykendall Hall Water Resources Working Group ...

Our Project In Hawaiʻi’s Intertidal (OPIHI): Examining change over time

 Research Projects 2018-2020 PRINCIPAL INVESTIGATOR: Joanna Philippoff Co-INVESTIGATORS: Heather Spalding, Craig Nelson Graduate Fellow: Patrick Nichols Although a culturally and ecologically important ecosystem, the intertidal is vulnerable to climate change, species invasions, overharvesting, and land-use practices. However, the intertidal zone of ...

Podcast #1: Fish Flow

Meet Dr. Brian Bowen and Michael Hoban and learn about their project tracking important aquaculture fish species from egg production to the reefs where they settle and grow. Read more about their project here ...

Podcast #1: Waterworks

Dr. Peter Fuleky and Sisi Zhang are conducting an innovative study to identify the relationship between economic conditions in different sectors (tourism, health, agriculture, etc.) and the state’s limited water resources. Read more about their project here ...

Podcast #10: Metallic Phish

Dr. Megan Donahue and Eileen Nalley look for traces of land-based, metallic pollutants in tissues of commonly eaten reef fishes and the mechanisms involved in their transport from land to fishes. Read more about their project here ...

Podcast #11: DNA Detection

Dr. Brian Bowen, Cassie Lyons, and Mykle Hoban capitalize on a new technique of using free-floating environmental DNA sampled from above coral reefs to monitor their health based on the species present. Read more about their project here ...

Podcast #12: Erosion Commotion

Dr. Chip Fletcher and Anna Mikkelson employ drones to regularly generate profiles of Waikiki Beach to understand and monitor the movement of sand on, off, and across the beach through time. Read more about their project here ...

Podcast #13: Waialua Wastewater

Jordan Mason and Lucas Ellison work with Dr. Craig Glenn using drones to explore possible pollution of Waialua Bay from local on-site sewage disposal systems leaking into groundwater that flows to the bay. Read more about their project here ...

Podcast #2: Resilient Communities

Dr. Daniele Spirandelli and Alisha Summers work with Kauaʻi communities to develop assessments of their vulnerability to developing coastal hazards associated with climate change. Read more about their project here ...

Podcast #3: Pathogen Investigation

Dr. Craig Nelson and Jessica Bullington tackle the issue of bacterial pathogens in the Ala Wai Canal, developing a model to determine the risks of infection along the canal and offshore. Read more about their project here ...

Podcast #3: Urban understandings and changing coasts

Meet Dr. Daniele Spirandelli and Theresa Dean and delve into the vulnerability of Hawaiʻi's wastewater infrastructure to a changing climate. Read more about their project here ...

Podcast #4: Is it freshwater or saltwater?

Meet Dr. Henrietta Dulai and Trista McKenzie and learn about their efforts to map submarine groundwater discharge (SGD) into Kāneʻohe Bay to measure the nutrient flow from groundwater compared with streams. Read more about their project here ...

Podcast #4: Wave Runup

Dr. Martin Guiles and Camilla Tognacchini explore the risks to west Maui of inundation and increased erosion from ordinary ocean waves as base-line sea levels rise. Read more about their project here ...

Podcast #5: Seeds of Change

Dr. Camilo Mora and Devon DeBevoise are investigating the relative tolerance of invasive and endemic plants to growing with a wide range of water and temperature conditions that may occur with climate change. Read more about their project here ...

Podcast #5: The two-to-three-day rule

Meet Dr. Craig Nelson and Krissy Remple and hear about their attempts to develop a new rapid, cost-effective tool to determine water quality where groundwater contamination might occur. Read more about their project here ...

Podcast #6: Filter feeders

Meet Dr. Brian Popp and Leilei Shih as they describe their project to evaluate the role of a recent invasive sponge population in Kāneʻohe Bay--for bad or good. Read more about their project here ...

Podcast #6: Intertidal Changes

Dr. Joanna Philippoff and Patrick Nichols are leading a longterm project that enlists the help of students to characterize the algae and invertebrate species of Hawaiʻi’s intertidal zone. Read more about their project here ...

Podcast #7: Growing Coral

Dr. Peter Marko and Claire Lewis are determining the optimal conditions for growth of the coral Pavona variens to aid in restoration efforts of Hawaiian coral reefs. Read more about their project here ...

Podcast #7: Hawaiian water

Meet Dr. Michael Roberts and Nathan DeMaagd and discover the intricacies of the economics of shifting water demands in the face of climate change. Read more about their project here ...

Podcast #8: Microbial Mechanisms

Dr. Kiana Frank combines modern microbial biology with traditional fishpond management techniques to explore sediment removal from Hawaiian fishponds. Read more about her project here ...

Podcast #9: Mesophotic Mapping

Dr. Rob Toonen and Evan Barba explore sediment distribution across the sensitive ecosystems of the mesophotic zone and its connection to land use management decisions. Read more about their project here ...

Predicting and mapping Hawaiian mesophotic coral ecosystems for sustainable coastal development

 Research Projects 2016-2018 PRINCIPAL INVESTIGATOR: Robert Toonen Graduate Fellow: Lindsay Veazey Although there is little question about the economic, ecological, cultural, and conservation value of coral reef habitats, growing population, tourism, and coastal development are rapidly degrading them. Our fundamental ...

Predicting Hawaiʻi water demand under climate change

 Research Projects 2016-2018 PRINCIPAL INVESTIGATOR: Michael Roberts Graduate Fellow: Nathan DeMaagd How will climate change affect supply and demand for water? The answer to this question is complex, uncertain and depends critically on location and context. On the supply side, ...

Rapid Response: Application of a qPCR-based test for Enterococci as a rapid beach management tool in Hawaiʻi

 Research Projects 2016-2018 PRINCIPAL INVESTIGATOR: Marek Kirs Graduate Fellow: Eduardo Guimares Climate change is projected to increase the risk of loss for people, assets, economies and ecosystems as extreme weather events, such as tropical storms and hurricanes, are projected to increase ...

Resolving the Diet of Larval Marine Fishes to Accelerate Aquaculture Opportunities

 Research Projects 2020-2022 PRINCIPAL INVESTIGATOR: Brian Bowen Graduate Fellow: Emily Conklin, Cassie Kaʻapu-Lyons As the demand for sea food continues to rise, wild stocks are dwindling or disappearing. Meanwhile, the supply of marine ornamental fishes for the aquarium trade faces similar ...

Retaining a Healthy Indoor Environment in On-Demand Mixed-Mode Classrooms

Retaining a Healthy Indoor Environment in On-Demand Mixed-Mode ClassroomsA study to measure energy performance and CO2 concentrations was conducted in two Hawai‘i classrooms to determine the impact of user decision-making on adequacy of fresh air. Using CO2 as a marker for indoor ...

Sea Urchin Disaster

In this episode, we look at the dramatic decline in the sea urchin population along Moorea's eastern reefs. Researcher Stella Swanson takes us out in the field as we look for evidence of what caused an entire species to be ...

Source tracking coastal groundwater and runoff contamination with microbial genomics and dissolved organic fluorometry

 Research Projects 2016-2018 PRINCIPAL INVESTIGATOR: Craig Nelson Graduate Fellow: Kristina Remple Contamination of Hawaiian coastal waters by human activities is widespread and threatens coastal ecosystems and water quality. The high density of cesspools in Hawai‘i is potentially a significant source of ...

Suspended Particles in the Ocean

In this episode, researcher Hillary Close takes us through the process of using chemical isotope analysis to uncover secrets of the ocean food web hidden in tiny, suspended particles. Watch the trailer for Season 3, Episode 17 on Vimeo or Youtube. FULL EPISODE Or ...

Testing Freshwater

We’re working with Hawai'i Sea Grant researchers and graduate students to examine the water quality of freshwater as it heads to the ocean. Freshwater travels in streams and underground, picking up pollution from our cesspools and agricultural run-off. We take ...

The role of sponges in nitrogen cycling in Kāneʻohe Bay, Oʻahu

 Research Projects 2016-2018 PRINCIPAL INVESTIGATOR: Brian Popp Graduate Fellow: Joy Shih Coastal ecosystems are regions of remarkable biological productivity and diversity, yet they are among our most disturbed natural environments. Although many human activities cause change in the coastal zone, ...

The role of surface and groundwater inputs in driving water quality in Kāneʻohe Bay, Oʻahu

 Research Projects 2016-2018 PRINCIPAL INVESTIGATOR: Henrietta Dulai Co-INVESTIGATORS: Craig Glenn, Paul Lucey Graduate Fellow: Trista McKenzie Recent findings suggest that in the Indo-Pacific region total submarine groundwater discharge (SGD) is estimated to be 3 to 4 times greater than riverine freshwater ...

The use of a euryhaline Tilapia to assess the endocrine disrupting effects of anthropogenic chemicals on growth and osmoregulation of a tropical teleost species inhabiting coastal waters and wetlands in Hawaiʻi and the tropics

 Research Projects 2016-2018 PRINCIPAL INVESTIGATOR: Andre Seale Many agricultural and industrial chemicals have demonstrated the capacity to disrupt the physiology of wildlife by impacting the endocrine system. These man-made substances, termed endocrine disrupting chemicals (EDCs), cause immediate physiological effects or ...

Tilapia Market Report: American Samoa, 2019

 Introduction From December 2018 to April 2019, 15 retail grocery stores, one fish market, and nine restaurants in American Samoa were surveyed by Hawai‘i Sea Grant Extension Agent Kelley Anderson Tagarino and American Samoa Community College student interns Raijeli Toanivere, ...

Tracking groundwater nutrients using novel tracers to inform coastal watershed management in South Kohala, Hawaiʻi

 Research Projects 2020-2022 PRINCIPAL INVESTIGATOR: Henrietta Dulai Co-INVESTIGATORS: Kim Falinksi Graduate Fellow: Casey McKenzie We propose to provide land use managers in the South Kohala Coastal Partnership information that identifies the path of the groundwater that emerges at the coast, and estimates ...

Vulnerability of Coastal Ecosystems to Increased Salinity from Climate Change

 Research Projects 2020-2022 PRINCIPAL INVESTIGATOR: Kasey Barton Co-INVESTIGATORS: Dustin Wolkis, Seana Walsh, Tamara Sherrill Graduate Scholar: Anna McCormick Coastal habitats are critical for the welfare of island people, providing food, ensuring clean water, stabilizing beaches, and promoting cultural well-being. Due to ...

West Maui wave run-up forecasts

 Research Projects 2018-2020 PRINCIPAL INVESTIGATOR: Douglas Luther Co-INVESTIGATOR: Mark Merrifield Graduate Fellow: Camilla Tognacchini The long-term rising trend in sea level (typically, an inch or so every 10 years around Hawaiʻi) alone will not be obvious to the casual observer at ...

What can seascape-scale vegetation patterns on coral reefs tell us about reef health?

 Research Projects 2020-2022 PRINCIPAL INVESTIGATOR: Elizabeth Madin Graduate Fellow: Zackery Rago Coral reefs worldwide are threatened by a variety of human impacts. Fishing is among the most pressing threats to reefs, because it occurs on most reef systems and alters the ...

Workforce Development

Hawaiʻi Sea Grant and School of Architecture Workforce Development in Sustainability Results in Job Placement for College Students Relevance: A knowledgeable and highly skilled workforce trained to excel in sustainability-related fields is required to meet Hawaiʻi’s goal of 100 percent ...