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Michelle H. Reynolds

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This dataset (in ESRI file geodatabase format) contains inundation areas for various future scenarios of sea-level rise (SLR), groundwater rise, and storm waves at Midway Atoll in the Northwestern Hawaiian Islands. Four types of inundation scenarios are considered: (1) passive SLR, (2) passive SLR including groundwater rise, (3) wave-driven inundation during storm events, and (4) wave-driven inundation during storm events including groundwater rise. For each of these four scenarios, five different levels of SLR are considered: 0.00 m, +0.50 m, +1.00 m, +1.50 m, and +2.00 m. We considered each scenario at mean high water in order to predict inundation during the more damaging part of the tidal range. Each of the...
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This dataset contains a screen-digitized coastline for Midway Atoll (Sand, Eastern, and Spit Islands) based on a DigitalGlobe WorldView-2 satellite image taken on January 14, 2010. The digitized coastline was not corrected for tide since no digital elevation model was available at the time the image was collected. Like most of the Northwestern Hawaiian Islands, this coastline is very dynamic and changes considerably from season to season, year to year, as erosion and depsoition of sand are in constant flux.
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Northwestern Hawaiian Islands Sea-level Rise Scenarios and Models 2010-2015
This data release consists of two ESRI geodatabases that store inundation areas for various future scenarios of sea-level rise (SLR), groundwater rise, and storm waves for Laysan Island and Midway Atoll in the Northwestern Hawaiian Islands. Five types of inundation scenarios are considered: (1) passive SLR, (2) passive SLR including groundwater rise, (3) wave-driven inundation during storm events, (4) wave-driven inundation during storm events including groundwater rise, and (5) wave-driven inundation during storm events, assuming unlimited seawater volumes and no infiltration (i.e., theoretical maximum). This scenario applies only to Laysan Island which has topographic depressions that fill with water during flood...
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Three albatross species breed at Midway Atoll: black-footed (Phoebastria nigripes), Laysan (P. immutabilis), and short-tailed (P. albatrus). This dataset contains the boundaries of survey area sectors used during the USFWS albatross censuses at Midway Atoll National Wildlife Refuge. The entire area of the atoll is divided into 61 unequal-area sectors. Sector boundaries were established by the USFWS. USGS digitzed the sector boundaries using satellite imagery and data points collected during the 2011-2012 albatross breeding season (hatch year 2012).
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This dataset contains a screen-digitized coastline for Laysan Island based on a DigitalGlobe WorldView-2 satellite image taken on May 18, 2010. After digitization the coastline was corrected for tide using a 1-meter digital elevation model (DEM). It was also smoothed in ArcGIS 10 to remove some of the inherent jaggedness from the point-by-point digitizing process. Like most of the Northwestern Hawaiian Islands, this coastline is very dynamic and changes considerably from season to season, year to year, as erosion and deposition of sand are in flux.
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