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
The Impact of Sea-Level Rise on Coral Reef and Mangrove Interactions and the Resulting Coastal Flooding Hazards
Using Video Imagery to Study Wave Dynamics: Isla Verde
The Impact of Climate Change and Sea-Level Rise on Future Flooding of Coastal Parks and Refuges in Hawaiʻi and the U.S. Affiliated Pacific Islands
Aerial imagery and structure-from-motion-derived shallow water bathymetry from a UAS survey of the coral reef off Waiakane, Molokai, Hawaii, June 2018 Aerial imagery and structure-from-motion-derived shallow water bathymetry from a UAS survey of the coral reef off Waiakane, Molokai, Hawaii, June 2018
Flooding extent polygons for modelled wave-driven water levels in Florida with and without projected coral reef degradation Flooding extent polygons for modelled wave-driven water levels in Florida with and without projected coral reef degradation
Projected flooding extents and depths based on 10-, 50-, 100-, and 500-year wave-energy return periods for the State of Florida and the Commonwealth of Puerto Rico before and after Hurricanes Irma and Maria due to the storms' damage to the coral reefs Projected flooding extents and depths based on 10-, 50-, 100-, and 500-year wave-energy return periods for the State of Florida and the Commonwealth of Puerto Rico before and after Hurricanes Irma and Maria due to the storms' damage to the coral reefs
Projected flooding extents and depths based on 10-, 50-, 100-, and 500-year wave-energy return periods for the State of Florida, the Commonwealth of Puerto Rico, and the Territory of the U.S. Virgin Islands for current and potentially restored coral reefs Projected flooding extents and depths based on 10-, 50-, 100-, and 500-year wave-energy return periods for the State of Florida, the Commonwealth of Puerto Rico, and the Territory of the U.S. Virgin Islands for current and potentially restored coral reefs
Near-shore seawater-column measurements of excess radon (Rn-222) and water levels, Faga'alu Bay, Tutuila, American Samoa, August 2018 Near-shore seawater-column measurements of excess radon (Rn-222) and water levels, Faga'alu Bay, Tutuila, American Samoa, August 2018
Modeled extreme total water levels along the U.S. west coast Modeled extreme total water levels along the U.S. west coast
Model parameter input files to compare locations of coral reef restoration on different reef profiles to reduce coastal flooding Model parameter input files to compare locations of coral reef restoration on different reef profiles to reduce coastal flooding
Cross-reef wave and water level data from coral reef environments (ver. 4.0, June 2025) Cross-reef wave and water level data from coral reef environments (ver. 4.0, June 2025)
Jurabi, Exmouth, Western Australia, 2016 Coral Reef Circulation and Sediment Dynamics Experiment Jurabi, Exmouth, Western Australia, 2016 Coral Reef Circulation and Sediment Dynamics Experiment
Modeled 21st century storm surge, waves, and coastal flood hazards and supporting oceanographic and geological field data (2010 and 2011) for Arey and Barter Islands, Alaska and vicinity Modeled 21st century storm surge, waves, and coastal flood hazards and supporting oceanographic and geological field data (2010 and 2011) for Arey and Barter Islands, Alaska and vicinity
Database to model three-dimensional flow over coral reef spur-and-groove morphology Database to model three-dimensional flow over coral reef spur-and-groove morphology
Modeled effects of depth and semidiurnal temperature fluctuations on predictions of year that coral reef locations reach annual severe bleaching for various global climate model projections Modeled effects of depth and semidiurnal temperature fluctuations on predictions of year that coral reef locations reach annual severe bleaching for various global climate model projections
HyWaves: Hybrid downscaling of multimodal wave spectra to nearshore areas HyWaves: Hybrid downscaling of multimodal wave spectra to nearshore areas
Coral restoration for coastal resilience: Integrating ecology, hydrodynamics, and engineering at multiple scales Coral restoration for coastal resilience: Integrating ecology, hydrodynamics, and engineering at multiple scales
The potential for coral reef restoration to mitigate coastal flooding as sea levels rise The potential for coral reef restoration to mitigate coastal flooding as sea levels rise
Carbonate sediment transport across coral reefs: A comparison of fringing vs. barrier reefs Carbonate sediment transport across coral reefs: A comparison of fringing vs. barrier reefs
Modeling fluvial sediment plumes: Impacts to coral reefs Modeling fluvial sediment plumes: Impacts to coral reefs
Wave-scale observations of sediment resuspension and subsequent transport across a fringing reef flat Wave-scale observations of sediment resuspension and subsequent transport across a fringing reef flat
Observations of coastal circulation, waves, and sediment transport along West Maui, Hawaiʻi (November 2017– March 2018), and modeling effects of potential watershed restoration on decreasing sediment loads to adjacent coral reefs Observations of coastal circulation, waves, and sediment transport along West Maui, Hawaiʻi (November 2017– March 2018), and modeling effects of potential watershed restoration on decreasing sediment loads to adjacent coral reefs
Advancing best practices for the analysis of the vulnerability of military installations in the Pacific Basin to coastal flooding under a changing climate – RC-2644 Advancing best practices for the analysis of the vulnerability of military installations in the Pacific Basin to coastal flooding under a changing climate – RC-2644
Physicochemical coastal groundwater dynamics between Kauhakō Crater lake and Kalaupapa settlement, Moloka‘i, Hawai‘i Physicochemical coastal groundwater dynamics between Kauhakō Crater lake and Kalaupapa settlement, Moloka‘i, Hawai‘i
Coral reef restoration for risk reduction (CR4): A guide to project design and proposal development Coral reef restoration for risk reduction (CR4): A guide to project design and proposal development
Wave-driven hydrodynamic processes over fringing reefs with varying slopes, depths, and roughness: Implications for coastal protection Wave-driven hydrodynamic processes over fringing reefs with varying slopes, depths, and roughness: Implications for coastal protection
Pharmaceuticals and personal care products in passive samplers at seven coastal sites off West Maui, Hawaiʻi: Pharmaceuticals and personal care products in passive samplers at seven coastal sites off West Maui, Hawaiʻi:
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
The Impact of Sea-Level Rise on Coral Reef and Mangrove Interactions and the Resulting Coastal Flooding Hazards
Using Video Imagery to Study Wave Dynamics: Isla Verde
The Impact of Climate Change and Sea-Level Rise on Future Flooding of Coastal Parks and Refuges in Hawaiʻi and the U.S. Affiliated Pacific Islands
Aerial imagery and structure-from-motion-derived shallow water bathymetry from a UAS survey of the coral reef off Waiakane, Molokai, Hawaii, June 2018 Aerial imagery and structure-from-motion-derived shallow water bathymetry from a UAS survey of the coral reef off Waiakane, Molokai, Hawaii, June 2018
Flooding extent polygons for modelled wave-driven water levels in Florida with and without projected coral reef degradation Flooding extent polygons for modelled wave-driven water levels in Florida with and without projected coral reef degradation
Projected flooding extents and depths based on 10-, 50-, 100-, and 500-year wave-energy return periods for the State of Florida and the Commonwealth of Puerto Rico before and after Hurricanes Irma and Maria due to the storms' damage to the coral reefs Projected flooding extents and depths based on 10-, 50-, 100-, and 500-year wave-energy return periods for the State of Florida and the Commonwealth of Puerto Rico before and after Hurricanes Irma and Maria due to the storms' damage to the coral reefs
Projected flooding extents and depths based on 10-, 50-, 100-, and 500-year wave-energy return periods for the State of Florida, the Commonwealth of Puerto Rico, and the Territory of the U.S. Virgin Islands for current and potentially restored coral reefs Projected flooding extents and depths based on 10-, 50-, 100-, and 500-year wave-energy return periods for the State of Florida, the Commonwealth of Puerto Rico, and the Territory of the U.S. Virgin Islands for current and potentially restored coral reefs
Near-shore seawater-column measurements of excess radon (Rn-222) and water levels, Faga'alu Bay, Tutuila, American Samoa, August 2018 Near-shore seawater-column measurements of excess radon (Rn-222) and water levels, Faga'alu Bay, Tutuila, American Samoa, August 2018
Modeled extreme total water levels along the U.S. west coast Modeled extreme total water levels along the U.S. west coast
Model parameter input files to compare locations of coral reef restoration on different reef profiles to reduce coastal flooding Model parameter input files to compare locations of coral reef restoration on different reef profiles to reduce coastal flooding
Cross-reef wave and water level data from coral reef environments (ver. 4.0, June 2025) Cross-reef wave and water level data from coral reef environments (ver. 4.0, June 2025)
Jurabi, Exmouth, Western Australia, 2016 Coral Reef Circulation and Sediment Dynamics Experiment Jurabi, Exmouth, Western Australia, 2016 Coral Reef Circulation and Sediment Dynamics Experiment
Modeled 21st century storm surge, waves, and coastal flood hazards and supporting oceanographic and geological field data (2010 and 2011) for Arey and Barter Islands, Alaska and vicinity Modeled 21st century storm surge, waves, and coastal flood hazards and supporting oceanographic and geological field data (2010 and 2011) for Arey and Barter Islands, Alaska and vicinity
Database to model three-dimensional flow over coral reef spur-and-groove morphology Database to model three-dimensional flow over coral reef spur-and-groove morphology
Modeled effects of depth and semidiurnal temperature fluctuations on predictions of year that coral reef locations reach annual severe bleaching for various global climate model projections Modeled effects of depth and semidiurnal temperature fluctuations on predictions of year that coral reef locations reach annual severe bleaching for various global climate model projections
HyWaves: Hybrid downscaling of multimodal wave spectra to nearshore areas HyWaves: Hybrid downscaling of multimodal wave spectra to nearshore areas
Coral restoration for coastal resilience: Integrating ecology, hydrodynamics, and engineering at multiple scales Coral restoration for coastal resilience: Integrating ecology, hydrodynamics, and engineering at multiple scales
The potential for coral reef restoration to mitigate coastal flooding as sea levels rise The potential for coral reef restoration to mitigate coastal flooding as sea levels rise
Carbonate sediment transport across coral reefs: A comparison of fringing vs. barrier reefs Carbonate sediment transport across coral reefs: A comparison of fringing vs. barrier reefs
Modeling fluvial sediment plumes: Impacts to coral reefs Modeling fluvial sediment plumes: Impacts to coral reefs
Wave-scale observations of sediment resuspension and subsequent transport across a fringing reef flat Wave-scale observations of sediment resuspension and subsequent transport across a fringing reef flat
Observations of coastal circulation, waves, and sediment transport along West Maui, Hawaiʻi (November 2017– March 2018), and modeling effects of potential watershed restoration on decreasing sediment loads to adjacent coral reefs Observations of coastal circulation, waves, and sediment transport along West Maui, Hawaiʻi (November 2017– March 2018), and modeling effects of potential watershed restoration on decreasing sediment loads to adjacent coral reefs
Advancing best practices for the analysis of the vulnerability of military installations in the Pacific Basin to coastal flooding under a changing climate – RC-2644 Advancing best practices for the analysis of the vulnerability of military installations in the Pacific Basin to coastal flooding under a changing climate – RC-2644
Physicochemical coastal groundwater dynamics between Kauhakō Crater lake and Kalaupapa settlement, Moloka‘i, Hawai‘i Physicochemical coastal groundwater dynamics between Kauhakō Crater lake and Kalaupapa settlement, Moloka‘i, Hawai‘i
Coral reef restoration for risk reduction (CR4): A guide to project design and proposal development Coral reef restoration for risk reduction (CR4): A guide to project design and proposal development
Wave-driven hydrodynamic processes over fringing reefs with varying slopes, depths, and roughness: Implications for coastal protection Wave-driven hydrodynamic processes over fringing reefs with varying slopes, depths, and roughness: Implications for coastal protection
Pharmaceuticals and personal care products in passive samplers at seven coastal sites off West Maui, Hawaiʻi: Pharmaceuticals and personal care products in passive samplers at seven coastal sites off West Maui, Hawaiʻi:
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.