main logo
  • Pages

    • Interactive Map

    Data Repository

    Gallery

    Site Map

    Contact us

    About

    WAQAB (YAP PROPER) Maps: reefs

    Coral reefs

    Reef location

    Extent of coral reefs

    This map shows the extent of coral reefs around Yap. The data layer shown here is a subset of Yap base layer derived by Island Research & Education Initiative (iREi) (2019) from Digital Line Graphs (DLGs) of U.S. Geological Survey 1:25,000-scale topographic maps (2001). The shoreline was partially updated and the coral reef features were slightly shifted and partially modified based on Worldview-3 satellite imagery from Digital Globe (2016) provided by U.S. Department of Agriculture (USDA) - Natural Resources Conservation Service (NRCS).

    Please select desired format

    Please select desired format

    shp kml tiff tiff

    Reef classification

    Reef geomorphology

    This map represents the topography of Pohnpei. It shows elevation contour lines at 10-meter intervals. Depicted in greyscale, the contour lines were derived by Island Research & Education Initiative (iREi) and the University of Guam (UOG) (2017) from a 10-meter resolution Digital Elevation Model (DEM) created by U.S. Geological Survey based on topography compiled in 1975 and the shoreline dataset representing the zero contour line.

    Please select desired format

    Please select desired format

    shp kml tiff tiff

    Reef habitat types

    This map classifies the reefs around Yap by their geomorphology. The dataset used here is the same as the one used for the reef zonation map. It was created by the Millennium Coral Reef Mapping Project by the Institute for Marine Remote Sensing - University of South Florida (IMaRS-USF) and the Institut de Recherche Pour le Développement (IRD) (2005). Island Research & Education Initiative (iREi) (2019) extracted a subset of the original dataset and formatted it for use in this atlas.

    Please select desired format

    Please select desired format

    shp kml tiff tiff

    Ocean floor

    Lagoon circulation

    Reef passes

    This map shows the locations of principal passes in the barrier reef around Yap. This data layer was derived by Island Research & Education Initiative (iREi) (2019) by slightly modifying data from U.S. Geological Survey 1:25,000-scale topographic maps (1996). The place names shown on this map are copied from the source require thorough verification and correction of spellings to conform with Yapese orthography.

    Please select desired format

    Please select desired format

    shp kml tiff tiff

    Bathymetry

    Bathymetry

    This map shows the bathymetry (depth to seafloor) around Yap. This map shows the bathymetry (depth to seafloor) around Yap. It was generated by AutoGrid (2019), a web application that creates grids and map images from multibeam bathymetry data. AutoGrid is a program by the National Oceanic and Atmospheric Administration (NOAA), National Centers for Environmental Information (NCEI, formerly NGDC). Island Research & Education Initiative (iREi) (2019) extracted a subset of the original dataset and formatted it for use in this atlas.

    Please select desired format

    Please select desired format

    shp kml tiff tiff

    Bathymetry

    This map shows the bathymetry (depth to seafloor) around Yap. This map shows the bathymetry (depth to seafloor) around Yap. It was generated by AutoGrid (2019), a web application that creates grids and map images from multibeam bathymetry data. AutoGrid is a program by the National Oceanic and Atmospheric Administration (NOAA), National Centers for Environmental Information (NCEI, formerly NGDC). Island Research & Education Initiative (iREi) (2019) extracted a subset of the original dataset and formatted it for use in this atlas.

    Please select desired format

    Please select desired format

    shp kml tiff tiff

    Recreation

    Diving and snorkeling

    Popular dive sites

    This map shows the locations of popular dive sites and dive paths around Yap. The data layer was created by Island Research & Education Initiative (iREi) (2019) by digitizing and merging several different tourist maps available from dive centers in Yap. Locations of the sites are highly approximate.

    Please select desired format

    Please select desired format

    shp kml tiff tiff