RESEARCH

RESEARCH PROJECTS

PI-CASC supports research that generates actionable climate science within several key focus areas defined by regional stakeholder needs.

Four students pose, smiling, outdoors with a vegetated background

2024 SURF Projects

Four students completed projects in climate adaptation science for the 2024 SURF program, investigating the effects of ocean warming on cleaner wrasse behavior, finding the best soil amendments for encouraging native Hawaiian plant regeneration, modeling the optimal pathway for using the RAD framework on Hawaiʻi biomes, and using non-intrusive methods to investigate climate effects of coral growth rates.
Ocean waters fill basaltic rocky inlets, and form shallow tide pools further up the bench

Evaluating the resilience of productive rocky intertidal ecosystems to SLR using a community-based approach

PI: Haunani Kane, Assistant Professor of Earth Sciences, UH Mānoa
Graduate Scholar: Makoa Pascoe, Dept of Oceanography, UH Mānoa
Co-Is: Atsuko Fukunaga, Assistant Researcher, CIMAR, UH Mānoa; John Burns, Associate Professor of Marine Science, UH Hilo; Kainalu Steward, Dept of Earth Sciences, UH Mānoa
Funded: FY2024
A few healthy corals are scattered across a landscape of unhealthy encrusted and porous reef structures

Assessing the sensitivity of coral reef accretion and bioerosion to acidification and eutrophication

PI: Andrea Kealoha, Asst. Professor of Oceanography, UH Mānoa
Graduate Scholar: Raffi Isah, Dept of Oceanography, UH Mānoa
Co-I: Katie Shamberger, Assoc. Professor of Oceanography, Texas A&M University
Funded: FY2024
Steep vegetated cliffs plunge to coastal ocean waters, some of which are noticeably brown compared to bluer waters further out from the land.

Effects of climate-driven increases in sediment delivery on coral reef ecosystem productivity and accretion

PI: Andrea Kealoha, Asst. Professor of Oceanography, UH Mānoa
Graduate Scholar: Sean Swift, Dept of Oceanography, UH Mānoa
Co-I: Craig Nelson, Assoc. Researcher of Oceanography, UH Mānoa
Funded: FY2024
View through a cluster of Pandanus trees with long, thin, green blades from their tops and characteristic subaerial root structures, giving their lower halves a braced, triangular look

Community value-based management of coastal Pandanus forests to mitigate the effects of climate change in Hawaiʻi

PI: Nina Rønsted, Deputy Director of Research, Natural History Museum of Denmark
Graduate Scholar: Tehina Kahikina, Dept of Hawaiian Studies, UH Mānoa
Co-Is: Tim Gallaher, Botanist, Bernice Pauahi Bishop Museum; Tamara Ticktin, Professor of Botany, UH Mānoa; Kalikoaloha Martin Instructor, Hawaiʻinuiākea School of Hawaiian Knowledge, UH Mānoa
Funded: FY2024
Oblique aerial view of atoll reefs, bright blue and aqua lagoons, and narrow stretches of deep green forests perched on the limited surficial sandbars

Vegetation and climate reconstructions for Palmyra Atoll to develop adaptation strategies for lowland plant communities

PI: David Wahl, Research Scientist, Geology, Minerals, Energy and Geophysics Science Center, USGS
Co-Is: Miriam Jones, Research Geologist, USGS; Kelly Goodale Wildlife Biologist, US Fish and Wildlife Service
Funded: FY2024
Four students wearing lei pose by PI-CASC banner

2023 SURF Projects

Four students completed projects in climate adaptation science for the 2023 SURF program, investigating how forests vegetation shifts in response to climate change, the connection between climate and humpback whale health, whether added nutrients can improve coral thermal resilience, and sea-level rise impacts to community infrastructure.
Healthy, colorful corals on diplay with butterfly fish swimming around them, reflected in the underside of the shallow water’s surface

Unlocking reef resilience drivers to inform Pacific coral reef management

PI: Megan Donahue, Marine Researcher, HIMB, UH Mānoa
Graduate Scholar: Jessica Glazner, Dept of Marine Biology, UH Mānoa
Co-I: Chad Wiggins, Palmyra Program Director, The Nature Conservancy
Funded: FY2022
A clear waterway snakes between tall trees with interwoven, gnarled root systems

Developing a Pacific mangrove monitoring network (PACMAN) in response to sea-level rise

PI: Richard Mackenzie, Research Ecologist, USDA FS Pacific Southwest Research Station
Graduate Scholar: Maybeleen Apwong, TCBES, UH Hilo
Funded: FY2022
Two students stand recording data at the water’s edge near a black rocky outcropping, while another student walks up the sand.

Predicting sea level rise impacts to coastal wastewater infrastructure and water quality

PI: Tracy Wiegner, Professor of Marine Sciences, UH Hilo
MCC Graduate Scholar: Ihilani Kamau, TCBES, UH Hilo
Co-Is: Steven Colbert, Associate Professor of Marine Sciences, UH Hilo; Ryan Perroy, Professor of Geography, UH Hilo
Funded: FY2022
High, aerial view of coral-fringed vegetated coastline

Coral response to land-to-ocean freshwater flux

PI: John Burns, Assistant Professor of Marine Science, UH Hilo
Funded: FY2021
A wide brown stream meanders across lush grass and tree-covered plain into a bay

Prioritization planning for coastal wetland restoration on Molokaʻi

PI: Judith Drexler, Research Hydrologist, USGS California Water Science Center
Co-Is: James Jacobi, Biologist, USGS Pacific Island Ecosystems Research Center; Curt Storlazzi, Research Geologist, USGS Pacific Coastal and Marine Science Center
Funded: FY2021
Coral scape with a few small yellow fish

Responses to transplanting corals to enhance reef resilience

PI: Crawford Drury, Affiliate Researcher, Hawaiʻi Institute of Marine Biology, UH Mānoa
Funded: FY2021
Six students smile from within zoom boxes

2021 SURF Projects

Six students completed projects in climate adaptation science for the 2021 SURF program, investigating stream flow quality and variability, coastal erosion, fish thermal tolerance, fishpond phytoplankton distribution, and reef microplastics.
View over a makaha (wooden gate in rock wall) towards open fishpond waters, with a grass shack to the left

Effect of extreme tidal events on future sea-level rise scenarios for He‘eia fish communities

PI: Yoshimi Rii, Research Coordinator, He'eia NERR/HIMB, UH Mānoa
Co-Is: Rob Toonen, Research Professor, HIMB, UH Mānoa; Kawika Winter, Reserve Manager, Heʻeia NERR/HIMB, UH Mānoa
Funded: FY2021
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