RESEARCH

RESEARCH PROJECTS

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

A school of small fish churn the surface waters of a greenish pool of water

Impacts of climate change on water quality and fish recruitment in Native Hawaiian fishponds

PI: Cherie Kauahi, Aquaculture Specialist, Hawaiʻi Sea Grant
Co-Is: Kamala Anthony, Co-founder, Hui Hoʻoleimaluō; Bradley Fox, Aquaculture Extension Specialist, Hawaiʻi Sea Grant; Darren Okimoto, Associate Director, Hawaiʻi Sea Grant; Anne Rosa, Marine Education Specialist, Hawaiʻi Sea Grant
Funded: FY2023
A variety of plants from grasses to tall trees cluster together in an open space

Enhancing social-ecological resilience through restoration of coastal agroforestry systems

PI: Leah Bremer, Assistant Specialist and Conservation Scientist, UH Mānoa
Co-PI: Tressa Hoppe, Botany Department, UH Mānoa
Funded: FY2022
Five SURF students pose in front of a steep vegetated slope

2022 SURF Projects

Five students completed projects in climate adaptation science for the 2022 SURF program, investigating fire-prone invasive grasses, spillover effects of Marine Protected Areas, shifts in estuarine fish biodiversity, optimal regeneration conditions for koa, and effects of marine warming on different phytoplankton strains.
A wide, chaotic streambed is flanked by green trees and underlain by irregular pahoehoe lava rocks.

Shifts in carbon exports from a Hawaiian watershed under a changing climate

PI: Tracy Wiegner, Associate Professor of Marine Science, UH Hilo
Co-PIs: Walter Boger, TCBES, UH Hilo; Steven Colbert, Assistant Professor of Marine Science, 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
Co-PI: 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
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.
Scenic view towards low waves pushing onto a tree-lined beach

Developing the American Samoa climate and GIS data portal

PI: Christopher Shuler, Assistant Hydrologist, Water Resources Research Center, UH Mānoa
Co-PI: Annie Chien, Earth and Planetary Sciences, UH Mānoa
Funded: FY2021
Low cascading waterfall with overhanging trees

How do Hawaiʻi stakeholders use and contribute to land-to-sea ecosystem service analyses

PI: Clay Trauernicht, Ecosystem and Fire Extension Specialist, NREM, UH Mānoa
Funded: FY2021
Vaguely abstract overhead image of brown turbulent river waters

Understanding flooding processes in Hawaiʻi and Southeast Alaska

PI: Janet Curran, Hydrologist, Alaska Science Center, USGS
Co-PI: Delwyn Oki, Hydrologist, Pacific Islands Water Science Center, USGS
Funded: FY2020
Open forest view of taller trees and lower ferns

Machine learning approaches to improve projections of future climate in Hawai‘i

PI: Tom Giambelluca, Professor of Geography, UH Mānoa
Co-PI: Yusuke Hatanaka, Department of Computer and Data Science, UH Mānoa
Funded: FY2020
Firefighters tend a grassy fire break line in front of burning brush, with a blackened, smoky landscape behind

Future of fire in the Pacific Islands: Towards a national synthesis for wildland fire under a changing climate

PI: Christian Giardina, Research Ecologist, Inst. of Pacific Islands Forestry, US Forest Service
Co-PI: Alyssa Anderson, Fire Post-doctoral Fellow, UH Mānoa
Funded: FY2020
A very dry landscape with brown grassy hills and brown, dead trees

Scaling up the Hawai‘i Drought Knowledge Exchange

PI: Christian Giardina, Research Ecologist, Inst. of Pacific Islands Forestry, US Forest Service
Co-PI: Abby Frazier, Research Fellow, East-West Center, UH Mānoa
Funded: FY2020
A shallow valley is covered with dead brown grass and a scattering of dead and dying tree trunks.

Malo‘o ka lani, wela ka honua (When the sky is dry, the earth is parched)

PI: Christian Giardina, Research Ecologist, Inst. of Pacific Islands Forestry, US Forest Service
Co-PI: Katie Kamelamela, Postdoctoral Researcher, Akaka Foundation for Tropical Forests
Funded: FY2020
A foot-long black, shiny flat fish with a high top fin is held for the camera

Understanding nutrient transport through streamflow and fish populations

PI: Tim Grabowski, Research Fish Biologist, Cooperative Fisheries Unit, USGS
Funded: FY2020
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