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Radiocarbon data from coastal wetlands on the Hawaiian islands of Kaua'i, O'ahu, and Hawai'i This portion of the data release presents radiocarbon age data from 66 samples collected from Anahola Valley (Kaua'i), Kahana Valley (O'ahu), and Pololu Valley (Hawai'i). Sample ages were determined by the National Ocean Sciences Accelerator Mass Spectrometry (NOSAMS) facility. The data are provided in a comma-delimited spreadsheet (.csv). Categories: Data; Tags: Anahola Valley, CMHRP, Coastal and Marine Hazards and Resources Program, Hawai'i, Hawaiian Islands, All tags... Kahana Valley, Kaua'i, Nonliving resources, O'ahu, PCMSC, Pacific Coastal and Marine Science Center, Physical Habitats and Geomorphology, Physical/Chemical Features, Pololu Valley, State of Hawai'i, Substrate, U.S. Geological Survey, USGS, carbon-14 analysis, geoscientificInformation, sediment, sediment transport, tsunamis, tsunamis, Fewer tags Projected coastal flooding extents and depths for 1-, 20-, and 100-year return interval storms and 0.00, +0.25, +0.50, +1.00, +1.50, +2.00, and +3.00 meter sea-level rise scenarios in the Hawaiian, Mariana, and American Samoan Islands This data release provides flooding extent polygons and flood depth rasters (geotiffs) based on sea-level rise and wave-driven total water levels for the coast of the most populated Hawaiian, Mariana, and American Samoan Islands. Oceanographic, coastal engineering, ecologic, and geospatial data and tools were combined to evaluate the increased risks of storm-induced coastal flooding due to climate change and sea-level rise. We followed risk-based valuation approaches to map flooding due to waves and storm surge at 10 square meter resolution along these islands’ coastlines for annual (1-year), 20-year, and 100-year return-interval storm events and +0.25 m, +0.50 m, +1.00 m, +1.50 m, +2.00 m, and +3.00 m sea-level... Categories: Data; Tags: CMHRP, Climate Change, Climatology, Coastal Processes, Coastal and Marine Hazards and Resources Program, All tags... Earth sciences, Effects of climate change, Environmental Equity, Environmental Justice, Flooding, Floods, Geography, Geomorphology, Geophysics, Geospatial Datasets, Guam, Hawaiian Islands, Hydrology, Island of Hawaiʻi, Kaua'i, Land Use Change, Mariana Islands, Marine Geology, Mathematical modeling, Maui, Moloka'i, O'ahu, Ofu Island, Olosega Island, PCMSC, Pacific Coastal and Marine Science Center, Physical Habitats and Geomorphology, Predictions, Saipan Island, Sea level change, Sea-level Change, Spatial Analysis, State of Hawaii, Storms, Tau Island, Territory of American Samoa, Tutuila Island, U.S. Geological Survey, USGS, Waves, environment, geoscientificInformation, oceans, Fewer tags Core descriptions and sand bed thickness data from Kahana Valley, O'ahu, Hawai'i This portion of the data release contains information on cores that were collected by the U.S. Geological Survey in Kahana Valley, O'ahu, Hawaii in 2015 and 2017. Sites were cored in order to describe wetland stratigraphy and to identify potential tsunami deposits. These cores contain mud, peat, fluvial sands, and marine carbonate sands, reflecting deposition in a variety of coastal environments. PDF files describe twenty-four (24) gouge and ‘Russian’ cores (hand held, side-filling peat augers) that were collected and described in the field. Cores collected in 2017 were described using the Troels-Smith sediment classification scheme (Troels-Smith, 1955; Nelson, 2015). Another pdf file (Kahana_cores_legend.pdf) contains... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Hawaiian Islands, Kahana Valley, Nonliving resources, All tags... O'ahu, PCMSC, Pacific Coastal and Marine Science Center, Physical Habitats and Geomorphology, Physical/Chemical Features, State of Hawai'i, Substrate, U.S. Geological Survey, USGS, core analysis, geoscientificInformation, sediment, tsunamis, Fewer tags Projected flooding extents and depths based on 10-, 50-, 100-, and 500-year wave-energy return periods, with and without coral reefs, for the States of Hawaii and Florida, the Territories of Guam, American Samoa, Puerto Rico, and the U.S. Virgin Islands, and the Commonwealth of the Northern Mariana Islands This data release provides flooding extent polygons (flood masks) and depth values (flood points) based on wave-driven total water levels for 22 locations within the States of Hawaii and Florida, the Territories of Guam, American Samoa, Puerto Rico, and the U.S. Virgin Islands, and the Commonwealth of the Northern Mariana Islands. For each of the 22 locations there are eight associated flood mask polygons and flood depth point files: one for each four nearshore wave energy return periods (rp; 10-, 50-, 100-, and 500-years) and both with (wrf) and without (worf) the presence of coral reefs. These flood masks can be combined with economic, ecological, and engineering tools to provide a rigorous financial valuation... Tags: American Samoa, CMHRP, CNMI, Cayo Vieques, Coastal and Marine Hazards and Resources Program, All tags... Commonwealth of the Northern Mariana Islands, Coral Reef, Culebra, Florida Keys, Florida Peninsula, Guam, Habitat, Hawaiian Islands, Isla de Culebra, Island of Hawai'i, Island of Hawaii, Island of Puerto Rico, Kaho'olawe, Kahoolawe, Kaua'i, Kauai, Key West, Lana'i, Lanai, Manua, Maui, Miami, Moloka'i, Molokai, Ni'ihau, Niihau, O'ahu, Oahu, Ofu-Olosega, PCMSC, Pacific Coastal and Marine Science Center, Palm Beach, Puerto Rico, Saint Croix, Saint John, Saint Thomas, Saipan Island, St. Croix, St. John, St. Thomas, State of Florida, State of Hawaii, Tau, Tinian Island, Tutuila, U.S. Geological Survey, U.S. Virgin Islands, USGS, USVI, United States of America, Vieques, Virgin Islands, coastal processes, coral reef communities, environment, flooding, geoscientificInformation, oceans, reef, reef ecosystems, Fewer tags Digital image mosaics of the nearshore coastal waters of selected areas on the Hawaiian Islands of Hawai‘i, Maui, Moloka‘i, and O‘ahu generated using aerial photographs and SHOALS airborne lidar bathymetry data The lack of geographic and thematic maps of coral reefs limits our understanding of reefs and our ability to assess change. The U.S. Geological Survey (USGS) has the capability to compile digital image mosaics that are useful for creating detailed map products. Image maps covering the shallow near-shore coastal waters have been produced for several of the main Hawaiian Islands, including Hawai‘i, Maui, Moloka‘i, and O‘ahu and are presented in JPEG2000 (.jp2) format. The digital-image mosaics were generated by first scanning historical aerial photographs. At the time, available satellite image resolutions were not acceptable and the aerial photographs used were the best option. The individually scanned digital... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CMG, CMGP, Coastal and Marine Geology Program, Hawai'i, Maui, All tags... Moloka'i, O'ahu, PCMSC, Pacific Coastal and Marine Science Center, Remote Sensing, U.S. Geological Survey, USGS, data release, Fewer tags Projected coastal flooding extents for 1-, 20-, and 100-year return interval storms and 0.00, +0.25, +0.50, +1.00, +1.50, +2.00, and +3.00 meter sea-level rise scenarios in the Hawaiian Islands This data release provides flooding extent polygons based on sea-level rise and wave-driven total water levels for the coast of the most populated Hawaiian Islands of Oahu, Molokai, Kauai, Maui, and Big Island. Oceanographic, coastal engineering, ecologic, and geospatial data and tools were combined to evaluate the increased risks of storm-induced coastal flooding due to climate change and sea-level rise. We followed risk-based valuation approaches to map flooding due to waves and storm surge at 10-m2 resolution along these islands' coastlines for annual (1-year), 20-year, and 100-year return-interval storm events and +0.25 m, +0.50 m, +1.00 m, +1.50 m, +2.00 m, and +3.00 m sea-level rise scenarios. Categories: Data; Tags: CMHRP, Climate Change, Coastal Processes, Coastal and Marine Hazards and Resources Program, Earth sciences, All tags... Effects of climate change, Environmental Equity, Environmental Justice, Flooding, Floods, Geospatial Datasets, Hawaiian Islands, Island of Hawai'i, Kaua'i, Mathematical modeling, Maui, Moloka'i, O'ahu, PCMSC, Pacific Coastal and Marine Science Center, Physical Habitats and Geomorphology, Predictions, Sea level change, Sea-level Change, Spatial Analysis, State of Hawaii, Storms, U.S. Geological Survey, USGS, Waves, environment, geoscientificInformation, oceans, Fewer tags Island of O‘ahu The lack of geographic and thematic maps of coral reefs limits our understanding of reefs and our ability to assess change. The U.S. Geological Survey (USGS) has the capability to compile digital image mosaics that are useful for creating detailed map products. Image maps covering the shallow near-shore coastal waters have been produced for several of the main Hawaiian Islands, including Hawai‘i, Maui, Moloka‘i, and O‘ahu and are presented in JPEG2000 (.jp2) format. The digital-image mosaics were generated by first scanning historical aerial photographs. At the time, available satellite image resolutions were not acceptable and the aerial photographs used were the best option. The individually scanned digital... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CMG, CMGP, Coastal and Marine Geology Program, Diamond Head, Hawai'i, All tags... Hawaii, Maunalua, O'ahu, Oahu, PCMSC, Pacific Coastal and Marine Science Center, Portlock, U.S. Geological Survey, USGS, Waialae, Waikiki, data release, Fewer tags Projected coastal flooding depths for 1-, 20-, and 100-year return interval storms and 0.00, +0.25, +0.50, +1.00, +1.50, +2.00, and +3.00 meter sea-level rise scenarios in the Hawaiian Islands This data release provides flood depth GeoTIFFs based on sea-level rise and wave-driven total water levels for the coast of the most populated Hawaiian Islands of Oahu, Molokai, Kauai, Maui, and Big Island. Oceanographic, coastal engineering, ecologic, and geospatial data and tools were combined to evaluate the increased risks of storm-induced coastal flooding in the populated Hawaiian Islands due to climate change and sea-level rise. We followed risk-based valuation approaches to map flooding due to waves and storm surge at 10-m2 resolution along the coastlines for annual (1-year), 20-year, and 100-year return-interval storm events and +0.25 m, +0.50 m, +1.00 m, +1.50 m, +2.00 m, and +3.00 m sea-level rise scenarios. Categories: Data; Tags: CMHRP, Climate Change, Coastal Processes, Coastal and Marine Hazards and Resources Program, Earth sciences, All tags... Effects of climate change, Environmental Equity, Environmental Justice, Flooding, Floods, Geospatial Datasets, Hawaiian Islands, Island of Hawai'i, Kaua'i, Mathematical modeling, Maui, Moloka'i, O'ahu, PCMSC, Pacific Coastal and Marine Science Center, Physical Habitats and Geomorphology, Predictions, Sea level change, Sea-level Change, Spatial Analysis, State of Hawaii, Storms, U.S. Geological Survey, USGS, Waves, environment, geoscientificInformation, oceans, Fewer tags