Curt Storlazzi, PhD
My interests span the coastal zone, from coastal erosional processes to sediment dynamics in the shallow coastal ocean. My research focuses on the quantitative study of hydrodynamics, sediment transport, and geomorphology in coastal and marine environments.
Current Research Topics
- Coral reef morphology, hydrodynamics, and sediment, nutrient, contaminant, and larval transport
- The role of coral reefs and other coastal ecosystems in coastal hazard risk reduction
- The interplay between geologic structure, climatic fluctuations, and coastal processes
- High-resolution oceanographic instrumentation and coastal mapping techniques
The role of coral reefs in tropical coastal hazard risk reduction
The restoration of coastal habitats, particularly coral reefs, decreases the exposure of coastal communities to flooding hazards. We developed an integrated modeling system composed of oceanographic, coastal engineering, ecologic, geospatial, social, and economic tools and data to provide a rigorous valuation of where coral reef restoration could decrease the coastal flooding hazards faced in reef-fronted coastal communities. We follow risk-based valuation approaches to quantify the coastal flood risk reduction using information from the U.S. Census Bureau, U.S. Federal Emergency Management Agency, and U.S. Bureau of Economic Analysis. These data provide stakeholders and decision-makers with spatially explicit, rigorous valuation of how, where, when, and to whom coral reef restoration will increase critical coastal storm flood reduction benefits and has led to federal, state, and territorial actions to declare their coral reefs as natural infrastructure worthy of pre-disaster mitigation or post-disaster recovery funding. The overall goal is to ultimately reduce the risk to, and increase the resiliency of, the Nation’s tropical coastal communities while boosting their economies through tourism, fisheries, and recreational activities.
See: The Value of U.S. Coral Reefs for Risk Reduction (links below)
The influence of geophysical processes on coral reef ecosystems
Many tropical coastal environments have been impacted by development, nutrient and contaminant delivery, and natural and human-induced sedimentation. The high geomorphic and hydrodynamic complexity both within and between coral reefs, in conjunction with past technical restrictions, has limited our understanding of the nature of flow and the resulting flux of physical, chemical, and biologic material in these ecosystems. Understanding the physical controls on the timing and magnitude of flow and sediment, larvae, nutrient, and contaminant transport, along with their impact on seafloor geomorphology, stability, and sedimentation in these refugia are essential to assessing modern anthropogenic impacts on these ecosystems and help guide how to best protect and preserve these valuable ecosystems that provide billions of dollars per year to the Nation’s economy.
See: Coral Reef Project (links below)
Professional Experience
2002-present: Research Geologist, USGS Coastal and Marine Hazards and Resources Program
2023-present: Adjunct Professor, University of California at Santa Cruz, Ocean Sciences Department
2002-2023: Research Associate, University of California at Santa Cruz, Institute for Marine Sciences
Education and Certifications
2002-2004: Research Fellow, Partnership for Interdisciplinary Studies of Coastal Oceans Consortium
2000-2002: Post-doctoral Researcher, University of California at Santa Cruz, Institute for Marine Sciences
2000: Ph.D., University of California at Santa Cruz, Earth Sciences Department
1996: B.Sc., University of Delaware, Geology Department
Science and Products
Nutrient Loading and Coral Health at Ofu, American Samoa
Coral Reef Project
Coastal Climate Impacts
Reef Hydrodynamics and Sediment Processes
Reef Resource Assessments - Planning for the Future
Low-lying areas of tropical Pacific islands
Role of Reefs in Coastal Protection
The Impact of Sea-Level Rise and Climate Change on Pacific Ocean Atolls
Coral Reef Project: Kwajalein Island
Coral Reef Project: Roi-Namur Island
Coral Reef Project: Maui
Coral Reef Project: Molokaʻi
Meteorological, seawater temperature, and current velocity data, from Ofu, American Samoa, 2020 Meteorological, seawater temperature, and current velocity data, from Ofu, American Samoa, 2020
Structure from Motion data products from the DARPA Reefense Tyndall Air Force Base Hybrid Oyster Reef Structure from Motion data products from the DARPA Reefense Tyndall Air Force Base Hybrid Oyster Reef
Underwater imagery and classifications of the substrate and coral reef habitat on the Kona coast of the Island of Hawai`i, from 2003, 2004, and 2022 Underwater imagery and classifications of the substrate and coral reef habitat on the Kona coast of the Island of Hawai`i, from 2003, 2004, and 2022
Nearshore seawater-column measurements of coastal groundwater discharge, Ofu, American Samoa, February 2020 Nearshore seawater-column measurements of coastal groundwater discharge, Ofu, American Samoa, February 2020
Nearshore Electrical Resistivity Tomography (ERT) profile data, Ofu, American Samoa, February 2020 Nearshore Electrical Resistivity Tomography (ERT) profile data, Ofu, American Samoa, February 2020
Benthic habitat map of the geomorphological structure, biological cover, and geologic zonation of Olowalu reef, Maui Benthic habitat map of the geomorphological structure, biological cover, and geologic zonation of Olowalu reef, Maui
USGS Thermal Tower Reef Camera Timestack, Papaloloa, Ofu, American Samoa USGS Thermal Tower Reef Camera Timestack, Papaloloa, Ofu, American Samoa
BEWARE2 database: A meta-process model to assess wave-driven flooding hazards on morphologically diverse, coral reef-lined coasts BEWARE2 database: A meta-process model to assess wave-driven flooding hazards on morphologically diverse, coral reef-lined coasts
USGS CoastCam at Isla Verde, Puerto Rico: 2018-2019 Calibration and GNSS Topography Survey Data USGS CoastCam at Isla Verde, Puerto Rico: 2018-2019 Calibration and GNSS Topography Survey Data
USGS CoastCam at Waiakāne, Moloka'i, Hawai'i: 2018 Calibration and GNSS Topography Survey Data USGS CoastCam at Waiakāne, Moloka'i, Hawai'i: 2018 Calibration and GNSS Topography Survey Data
USGS CoastCam at Waiakāne, Moloka'i, Hawai'i: 2018 Timestack Imagery and Coordinate Data USGS CoastCam at Waiakāne, Moloka'i, Hawai'i: 2018 Timestack Imagery and Coordinate Data
USGS CoastCam at Tres Palmas, Rincón, Puerto Rico: Timestack Imagery and Coordinate Data USGS CoastCam at Tres Palmas, Rincón, Puerto Rico: Timestack Imagery and Coordinate Data
Shifting sands: The influence of coral reefs on shoreline erosion from short-term storm protection to long-term disequilibrium Shifting sands: The influence of coral reefs on shoreline erosion from short-term storm protection to long-term disequilibrium
Wave runup and total water level observations from time series imagery at several sites with varying nearshore morphologies Wave runup and total water level observations from time series imagery at several sites with varying nearshore morphologies
Quantifying the coastal hazard risk reduction benefits of coral reef restoration in the U.S. Virgin Islands Quantifying the coastal hazard risk reduction benefits of coral reef restoration in the U.S. Virgin Islands
Evidence on the ecological and physical effects of built structures in shallow, tropical coral reefs: A systematic map Evidence on the ecological and physical effects of built structures in shallow, tropical coral reefs: A systematic map
Improved efficient physics-based computational modeling of regional wave-driven coastal flooding for reef-lined coastlines Improved efficient physics-based computational modeling of regional wave-driven coastal flooding for reef-lined coastlines
Physics-based satellite-derived bathymetry (SDB) using Landsat OLI images Physics-based satellite-derived bathymetry (SDB) using Landsat OLI images
Forecasting storm-induced coastal flooding for 21st century sea-level rise scenarios in the Hawaiian, Mariana, and American Samoan Islands Forecasting storm-induced coastal flooding for 21st century sea-level rise scenarios in the Hawaiian, Mariana, and American Samoan Islands
Extreme low-frequency waves on the Ofu, American Samoa, reef flat Extreme low-frequency waves on the Ofu, American Samoa, reef flat
What evidence exists on the ecological and physical effects of built structures in shallow, tropical coral reefs? A systematic map protocol What evidence exists on the ecological and physical effects of built structures in shallow, tropical coral reefs? A systematic map protocol
SaTSeaD: Satellite Triangulated Sea Depth open-source bathymetry module for NASA Ames Stereo Pipeline SaTSeaD: Satellite Triangulated Sea Depth open-source bathymetry module for NASA Ames Stereo Pipeline
Combining field observations and high-resolution numerical modeling to demonstrate the effect of coral reef roughness on turbulence and its implications for reef restoration design Combining field observations and high-resolution numerical modeling to demonstrate the effect of coral reef roughness on turbulence and its implications for reef restoration design
HyWaves: Hybrid downscaling of multimodal wave spectra to nearshore areas HyWaves: Hybrid downscaling of multimodal wave spectra to nearshore areas
Non-USGS Publications**
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.
Science and Products
Nutrient Loading and Coral Health at Ofu, American Samoa
Coral Reef Project
Coastal Climate Impacts
Reef Hydrodynamics and Sediment Processes
Reef Resource Assessments - Planning for the Future
Low-lying areas of tropical Pacific islands
Role of Reefs in Coastal Protection
The Impact of Sea-Level Rise and Climate Change on Pacific Ocean Atolls
Coral Reef Project: Kwajalein Island
Coral Reef Project: Roi-Namur Island
Coral Reef Project: Maui
Coral Reef Project: Molokaʻi
Meteorological, seawater temperature, and current velocity data, from Ofu, American Samoa, 2020 Meteorological, seawater temperature, and current velocity data, from Ofu, American Samoa, 2020
Structure from Motion data products from the DARPA Reefense Tyndall Air Force Base Hybrid Oyster Reef Structure from Motion data products from the DARPA Reefense Tyndall Air Force Base Hybrid Oyster Reef
Underwater imagery and classifications of the substrate and coral reef habitat on the Kona coast of the Island of Hawai`i, from 2003, 2004, and 2022 Underwater imagery and classifications of the substrate and coral reef habitat on the Kona coast of the Island of Hawai`i, from 2003, 2004, and 2022
Nearshore seawater-column measurements of coastal groundwater discharge, Ofu, American Samoa, February 2020 Nearshore seawater-column measurements of coastal groundwater discharge, Ofu, American Samoa, February 2020
Nearshore Electrical Resistivity Tomography (ERT) profile data, Ofu, American Samoa, February 2020 Nearshore Electrical Resistivity Tomography (ERT) profile data, Ofu, American Samoa, February 2020
Benthic habitat map of the geomorphological structure, biological cover, and geologic zonation of Olowalu reef, Maui Benthic habitat map of the geomorphological structure, biological cover, and geologic zonation of Olowalu reef, Maui
USGS Thermal Tower Reef Camera Timestack, Papaloloa, Ofu, American Samoa USGS Thermal Tower Reef Camera Timestack, Papaloloa, Ofu, American Samoa
BEWARE2 database: A meta-process model to assess wave-driven flooding hazards on morphologically diverse, coral reef-lined coasts BEWARE2 database: A meta-process model to assess wave-driven flooding hazards on morphologically diverse, coral reef-lined coasts
USGS CoastCam at Isla Verde, Puerto Rico: 2018-2019 Calibration and GNSS Topography Survey Data USGS CoastCam at Isla Verde, Puerto Rico: 2018-2019 Calibration and GNSS Topography Survey Data
USGS CoastCam at Waiakāne, Moloka'i, Hawai'i: 2018 Calibration and GNSS Topography Survey Data USGS CoastCam at Waiakāne, Moloka'i, Hawai'i: 2018 Calibration and GNSS Topography Survey Data
USGS CoastCam at Waiakāne, Moloka'i, Hawai'i: 2018 Timestack Imagery and Coordinate Data USGS CoastCam at Waiakāne, Moloka'i, Hawai'i: 2018 Timestack Imagery and Coordinate Data
USGS CoastCam at Tres Palmas, Rincón, Puerto Rico: Timestack Imagery and Coordinate Data USGS CoastCam at Tres Palmas, Rincón, Puerto Rico: Timestack Imagery and Coordinate Data
Shifting sands: The influence of coral reefs on shoreline erosion from short-term storm protection to long-term disequilibrium Shifting sands: The influence of coral reefs on shoreline erosion from short-term storm protection to long-term disequilibrium
Wave runup and total water level observations from time series imagery at several sites with varying nearshore morphologies Wave runup and total water level observations from time series imagery at several sites with varying nearshore morphologies
Quantifying the coastal hazard risk reduction benefits of coral reef restoration in the U.S. Virgin Islands Quantifying the coastal hazard risk reduction benefits of coral reef restoration in the U.S. Virgin Islands
Evidence on the ecological and physical effects of built structures in shallow, tropical coral reefs: A systematic map Evidence on the ecological and physical effects of built structures in shallow, tropical coral reefs: A systematic map
Improved efficient physics-based computational modeling of regional wave-driven coastal flooding for reef-lined coastlines Improved efficient physics-based computational modeling of regional wave-driven coastal flooding for reef-lined coastlines
Physics-based satellite-derived bathymetry (SDB) using Landsat OLI images Physics-based satellite-derived bathymetry (SDB) using Landsat OLI images
Forecasting storm-induced coastal flooding for 21st century sea-level rise scenarios in the Hawaiian, Mariana, and American Samoan Islands Forecasting storm-induced coastal flooding for 21st century sea-level rise scenarios in the Hawaiian, Mariana, and American Samoan Islands
Extreme low-frequency waves on the Ofu, American Samoa, reef flat Extreme low-frequency waves on the Ofu, American Samoa, reef flat
What evidence exists on the ecological and physical effects of built structures in shallow, tropical coral reefs? A systematic map protocol What evidence exists on the ecological and physical effects of built structures in shallow, tropical coral reefs? A systematic map protocol
SaTSeaD: Satellite Triangulated Sea Depth open-source bathymetry module for NASA Ames Stereo Pipeline SaTSeaD: Satellite Triangulated Sea Depth open-source bathymetry module for NASA Ames Stereo Pipeline
Combining field observations and high-resolution numerical modeling to demonstrate the effect of coral reef roughness on turbulence and its implications for reef restoration design Combining field observations and high-resolution numerical modeling to demonstrate the effect of coral reef roughness on turbulence and its implications for reef restoration design
HyWaves: Hybrid downscaling of multimodal wave spectra to nearshore areas HyWaves: Hybrid downscaling of multimodal wave spectra to nearshore areas
Non-USGS Publications**
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.