Articles | Volume 9, issue 2
Geosci. Instrum. Method. Data Syst., 9, 375–384, 2020
https://doi.org/10.5194/gi-9-375-2020
Geosci. Instrum. Method. Data Syst., 9, 375–384, 2020
https://doi.org/10.5194/gi-9-375-2020

Research article 07 Oct 2020

Research article | 07 Oct 2020

A global geographic grid system for visualizing bathymetry

Colin Ware et al.

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Short summary
Geographic coordinates (latitude and longitude) are widely used in geospatial applications, and terrains are often defined by regular grids in geographic coordinates. However, because of convergence of lines of longitude near the poles there is oversampling in the latitude (zonal) direction. Also, there is no standard way of defining a hierarchy of grids to consistently deal with data having different spatial resolutions. The proposed global geographic grid system solves both problems.