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Filters Date Range Past year (3) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts Stephen B. Gingerich Curt D Storlazzi Adam G. Johnson Water Resources Pacific Islands Water Science Center More... Categories Data (1) Tag Types Theme (3) Place (3) Harvest Set (2) Tag Schemes USGS Thesaurus (3) ISO 19115 Topic Category (3) Geographic Names Information System (GNIS) (2) Marine Realms Information Bank (MRIB) Keywords (1) None (1) Geographic Names Information System (1) Data Categories for Marine Planning (1) View Results as: JSON ATOM CSV

SUTRA model used to evaluate the freshwater flow system on Roi-Namur, Kwajalein Atoll, Republic of the Marshall Islands A three-dimensional, groundwater model (SUTRA) was developed to understand the effects of seawater washover on the freshwater lens of Roi-Namur, Kwajalein Atoll, Republic of the Marshall Islands. The model was calibrated by using observation data collected from 1990 through 1991 and 2008 through 2010. This USGS data release contains all of the input and output files for the simulations described in the associated journal article "Seawater-flooding events and impact on freshwater lenses of low-lying islands: controlling factors, basic management and mitigation" by Stephen B. Gingerich, Clifford I. Voss, and Adam G. Johnson, Journal of Hydrology (https://doi.org/10.1016/j.jhydrol.2017.03.001). This data release also... Tags: Groundwater, Kwajalein, Marshall Islands, NSDI, Roi-Namur, All tags... SUTRA, Saltwater Intrusion, Storm Surge, Transport Model, USGS Science Data Catalog (SDC), environment, geoscientificInformation, inlandWaters, usgsgroundwatermodel, Fewer tags Monthly Water-Budget Components for Roi-Namur, Kwajalein Atoll, Republic of the Marshall Islands, 2000-12 The zipped folder (Monthly_water_budget_Roi-Namur_2000-12.zip) associated with this metadata file contains 156 polygon shapefiles. Collectively, the 156 shapefiles contain spatially distributed estimates of groundwater recharge and other water-budget components, in inches, for Roi-Namur, Kwajalein Atoll, Republic of the Marshall Islands, for each month and year during 2000–12. The name of each shapefile indicates the year and month of the water-budget components contained in the shapefile. The month-year estimates of recharge and other water-budget components summarized in each shapefile were summed from daily water-budget components that were computed using a water-budget model. The equations of the water-budget... Tags: Kwajalein, Marshall Islands, NSDI, Roi-Namur, USGS Science Data Catalog (SDC), All tags... environment, evaporation, geoscientificInformation, inlandWaters, inlandWaters, precipitation (atmospheric), recharge, transpiration, water budget, Fewer tags Projected flood water depths on Roi-Namur, Kwajalein Atoll, Republic of the Marshall Islands Projected future wave-driven flooding depths on Roi-Namur Island on Kwajalein Atoll in the Republic of the Marshall Islands for a range of climate-change scenarios. This study utilized field data to calibrate oceanographic and hydrogeologic models, which were then used with climate-change and sea-level rise projections to explore the effects of sea-level rise and wave-driven flooding on atoll islands and their freshwater resources. The overall objective of this effort, due to the large uncertainty in future emissions (and thus climate change scenarios) that is largely irreducible, was to reduce risk and increase island resiliency by providing model simulations across a range of plausible future conditions. This... Categories: Data; Tags: CMGP, Coastal and Marine Geology Program, Elevation, Kwajalein, Marshall Islands, All tags... PCMSC, Pacific Coastal and Marine Science Center, Roi-Namur, U.S. Geological Survey, USGS, coastal processes, coral reefs, flooding, floods, geoscientificInformation, geospatial datasets, numerical modeling, predictions, reef, waves, Fewer tags