Trajectory files and metadata for 'Residence time of warm Circumpolar Deep Water on the Antarctic continental shelf'

• Main Authors: Tamsitt, Veronica, England, Matthew H., Rintoul, Stephen R., Morrison, Adele K.
• Format: Dataset
• Language: English
• Published: Zenodo 2021
• Subjects: Antarctic; Morrison; Spence; The Antarctic; Antarc*; Sea ice
• Online Access: https://dx.doi.org/10.5281/zenodo.4814375; https://zenodo.org/record/4814375

Trajectory and metadata files from an Antarctic circumpolar particle release experiment using Connectivity Modeling System (Paris et al. 2013, https://github.com/beatrixparis/connectivity-modeling-system) run offline in the MOM01 model (Stewart et al., 2017; Spence et al., 2017; Morrison et al., 2020), a global 0.1° ocean sea-ice model, based on version 5 of the Modular Ocean Model (MOM) code (mom-ocean.github.io) (Griffies, 2012). Particle releases were repeated at 10 day intervals for 1 year for a total of 36 releases, and then tracked forward in time for 5 years. Here trajectories are organised in directories by month and day of release, with each zip file containing trajectory files for one release month, which contain subdirectories for each release day. Each directory contains trajectory files (numbered traj_file_01.nc through traj_file_48.nc) and metadata files containing information on the CMS setup and release locations. Netcdf files contain particle trajectory positions, along with temperature, salinity, status in or out of the mixed layer, release date, and particle exit status (see CMS user guide for details on trajectory files). Other CMS setup files included in each release directory are nest_1.nml, runconf.list, ibm.list, and releaseFile_matchtransport. These input files contain information needed to reproduce the experiment using the MOM01 model output, and are explained in detail in the CMS user guide. Citation of associated paper: Tamsitt, V., England, M. H., Rintoul, S. R., and Morrison, A. K. Residence time of warm Circumpolar Deep Water on the Antarctic continental shelf. submitted to Geophysical Research Letters References: Griffies, S. M. (2012). Elements of the modular ocean model (MOM). GFDL Ocean Group Tech. Rep , 7(620), 47. Morrison, A. K., Hogg, A. M., England, M. H., & Spence, P. (2020). Warm Circumpolar Deep Water transport towards Antarctic driven by local dense water export in canyons. Science Advances , 6(18), eaav2516. Paris, C. B., Helgers, J., van Sebille, E., & Srinivasan, A. (2013). Connectivity Modeling System: A probabilistic modeling tool for the multi-scale tracking of biotic and abiotic variability in the ocean. Environmental Modelling and Software , 42, 47-54. Spence, P., Holmes, R. M., Hogg, A. M., Gries, S. M., Stewart, K. D., & England, M. H. (2017). Localized rapid warming of West Antarctic subsurface waters by remote winds. Nature Climate Change , 7(8), 595. Stewart, K., Hogg, A. M., Gries, S., Heerdegen, A., Ward, M., Spence, P., & England, M. H. (2017). Vertical resolution of baroclinic modes in global ocean models. Ocean Modelling , 113, 50-65.