Abstract
Organisms, including Vibrio cholerae, can be transferred between harbors in the ballast water of ships. Zones in the Caribbean region where distance from shore and water depth meet International Maritime Organization guidelines for ballast water exchange are extremely limited. Use of ballast water treatment systems could mitigate the risk for organism transfer.
Highlights
In August 2008, the National Geophysical Data Center (NGDC), an office of the National Oceanic and Atmospheric Administration (NOAA) developed the ETOPO1 1 Arc-Minute Global Relief Model as an improvement to the ETOPO2v2 Global Relief Model
Bathymetric data sets used in compiling the ETOPO1 Global Relief Model were obtained from the Japan Oceanographic Data Center (JODC), NGDC, the Caspian Environment Programme (CEP), and the Mediterranean Science Commission (CIESM; Table 3)
A 1-km grid of this data was graciously provided to NGDC by Benoit Loubrieu, Ifremer, which was used in building ETOPO1
Summary
In August 2008, the National Geophysical Data Center (NGDC), an office of the National Oceanic and Atmospheric Administration (NOAA) developed the ETOPO1 1 Arc-Minute Global Relief Model as an improvement to the ETOPO2v2 Global Relief Model. ETOPO1 is available in “Ice Surface” (top of Antarctic and Greenland ice sheets; Fig. 1) and “Bedrock” (base of the ice sheets; Fig. 2) versions. Both versions of ETOPO1 were generated from diverse global and regional digital data sets This report provides a summary of the data sources and methodology used in developing ETOPO1. 2. Study Area ETOPO1 provides complete global topographic and bathymetric coverage between -90° to +90° in latitude and.
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