Greenland and Antarctic ice sheet topography, cavity geometry, and global bathymetry (RTopo-2), links to NetCDF files ...

• Main Authors: Schaffer, Janin, Timmermann, Ralph
• Format: Dataset
• Language: English
• Published: PANGAEA 2016
• Subjects: RTopo; RTopo-2; File name; File format; File size; Uniform resource locator/link to file; Antarctic; Arctic; Arctic Ocean; Greenland; Southern Ocean; Antarc*; Antarctica; Ice Sheet; Ice Shelves
• Online Access: https://dx.doi.org/10.1594/pangaea.856844; https://doi.pangaea.de/10.1594/PANGAEA.856844

The ocean plays an important role in modulating the mass balance of the polar ice sheets by interacting with the ice shelves in Antarctica and with the marine-terminating outlet glaciers in Greenland. Given that the flux of warm water onto the continental shelf and into the sub-ice cavities is steered by complex bathymetry, a detailed topography data set is an essential ingredient for models that address ice–ocean interaction. We followed the spirit of the global RTopo-1 data set and compiled consistent maps of global ocean bathymetry, upper and lower ice surface topographies, and global surface height on a spherical grid with now 30 arcsec grid spacing. For this new data set, called RTopo-2, we used the General Bathymetric Chart of the Oceans (GEBCO, 2014) as the backbone and added the International Bathymetric Chart of the Arctic Ocean version 3 (IBCAOv3) and the International Bathymetric Chart of the Southern Ocean (IBCSO) version 1. While RTopo-1 primarily aimed at a good and consistent representation of ... : To enable communication with RTopo-2 users, the authors would appreciate a notification when using the data sets or errors are found. ...