Title

Bridge geomorphic feature layer

License

Creative Commons Attribution 4.0 International (CC BY 4.0)

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Abstract

The bridge geomorphic feature layer represents the spatial extent of the bridges of the worlds oceans based on interpretation of the SRTM30 plus v7 global bathymetry model. The layer is one of the 25 layers that make up the global seafloor geomorphic features map (Harris et.al. 2014). Bridge geomorphic features were first described by Gardner and Armstrong (2011) as blocks of material that partially infill the Mariana Trench in four locations, forming a “bridge”across the trench. In this study we have extended Gardner and Armstrong’s (2011) interpretation and applied it to all troughs and trenches and have identified a number of bridge features that appear to partially infill trenches and troughs in the global ocean.

Publication Date

Feb. 5, 2014, midnight

Type

Vector Data

Keywords

Bridges , Downloadable Data , features , seafloor, geomorphic features, habitats

Category

Oceans

features and characteristics of salt water bodies (excluding inland waters). Examples: tides, tidal waves, coastal information, reefs

Regions

Global

Owner

jcleary

Group

Marine Geospatial Ecology Lab at Duke University

More info

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Restrictions

no limitations on public access

Purpose

The bridge geomorphic feature layer represents the spatial extent of the bridges of the worlds oceans based on interpretation of the SRTM30 plus v7 global...

Language

English

Supplemental Information

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