Lmst

#wavemodel

Widespread Deposition In A Coastal Bay Following Three Major 2017 Hurricanes (Irma, Jose, And Maria) [USVI]
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https://doi.org/10.1038/s41598-019-43062-4 <-- shared paper
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#GIS #spatial #mapping #remotesensing #bathymetry #topobathy #usvi #usvirginislands #sediment #deposition #marine #terrestrial #hurricane #irma #jose #maria #extremeweather #climatechange #coastal #coast #ecosystems #seafloor #rainfall #precipitation #impacts #offshore #surveys #CoralBay #StJohn #storm #stormsurge #morphology #geomorphometry #aggradation #benthic #model #modeling #watersheds #hydrology #hydrospatial #coral #seagrass #coralreefs #habitat #habitatloss #stormevents #SWAN #wavemodel

A conceptualized schematic of terrestrial and marine sediment transport in the tropical coastal system characterized by two sediment transport regimes: one moving marine-derived sediment via hurricane waves and the other terrigenous sediment from the watershed via rainfall.

photo - Runoff in the waters near Magens Bay, St. Thomas, U.S. Virgin Islands, after the passage of Hurricane Irma.

A difference map of Coral Bay, St. John, USVI. The post-storm November 2017 survey was subtracted from the pre-storm August 2017 survey. Deposition is indicated by positive values (green, yellow, orange, red); erosion in negative values (blue). The largest area of deposition (outlined with a black dashed line) is characterized by deposition ranging from 20 to 60 cm. Coral mounds in central Johnson Bay have a general flute mark pattern of deposition toward Coral Harbor and erosion to seaward. Six sediment cores (white circles) were collected in November of 2017.

• Bottom Left: Eastern Puerto Rico and the US and British Virgin Islands with the 2017 hurricane tracks from Category 5 Hurricanes Irma and Maria. St. John, US Virgin Islands sits on a shelf ~60 meters below sea level (This map was generated using NOAA’s U.S. Virgin Islands 1 arc-second MHW Coastal Digital Elevation Model)
• Top Left: St. John, US Virgin Islands showing the watershed source area (This map and the map shown to the right were generated using US Army Corps of Engineers US Virgin Islands Orthophoto Mosaic)
• Right: Coral Bay, St. John with its protected waters and lands. Bathymetry shown was collected after the 2017 hurricane season in November and December of 2017.

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