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Gridded Values of Conservative Temperature and Absolute Salinity Around Antarctica averaged for the depth range 300 m to min([water depth, 1000]) m Data DOI: https://doi.org/10.15784/601516 Cite as Howard, S. L., Little, C., Padman, L., & Sun, Q. (2022) "Gridded Values of Conservative Temperature and Absolute Salinity Around Antarctica averaged for the depth range 300 m to min([water depth, 1000]) m" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.15784/601516. Abstract This dataset contains NetCDF files of two-dimensional gridded fields of hydrographic properties, Conservative Temperature (CT) and Absolute Salinity (SA), around Antarctica, depth-averaged for the depth range 300 m to min([water depth, 1000]) m from 38 CMIP6 models, the World Ocean Atlas 2018, and our own product developed from the World Ocean Database. These fields are designed to represent the hydrography of deeper water masses on the Antarctic Continental Shelf (ACS), where typical water depths are 400-600 m, and the intermediate-depth water off the continental shelf. The dataset includes a high-resolution polar-stereographic grid (2 x 2 km) of Southern Ocean geometry, including water depth, elevation of the land and ice-sheet surface (including ice shelves), a mask (identifying water, land and grounded ice, and ice shelves), and offshore distance from the continental shelf break. An example MATLAB script for accessing the grids and plotting them is included. The primary purpose of this dataset is to provide simplified 2-D hydrographic fields that can be used to assess the performance of climate models for the ACS, focusing on the depth range that affects most basal melting of Antarctica’s ice shelves. Creator(s): Howard, Susan L.; Little, Chris; Sun, Qiang; Padman, Laurence Date Created: 2022-02-01 Repository: USAP-DC (current) License: Creative Commons Attribution Only v4.0 Generic [CC BY 4.0] Spatial Extent(s) West: -180, East: 180, South: -90, North: -60 Temporal Extent(s) Start: 1841-01-18 - End: 2020-12-31 Award(s) NSF 1744789 NSF 1744792 Version: 1 References Sun, Q., Little, C. M., Barthel, A. M., and Padman, L. (2021). A clustering-based approach to ocean model–data comparison around Antarctica, Ocean Sci., 17, 131–145, https://doi.org/10.5194/os-17-131-2021. (doi:10.5194/os-17-131-2021) Adusumilli, S., Fricker, H. A., Medley, B., Padman, L., and Siegfried, M. R. (2020). Interannual variations in meltwater input to the Southern Ocean from Antarctic ice shelves. Nat. Geosci. 13, 616–620. https://doi.org/10.1038/s41561-020-0616-z (doi:10.1038/s41561-020-0616-z) Keywords Antarctic Continental Shelf Antarctica CMIP6 Oceans Physical Oceanography Salinity Southern Ocean Temperature