Daily ocean bottom pressure anomalies 2007-2011 from global simulations at coarse and high horizontal resolution

Data supplement for manuscript "Modeling ocean-induced rapid Earth rotation variations: an update" by Alexander Harker, Michael Schindelegger, Rui Ponte, David Salstein, <em>Journal of Geodesy</em> , 95, 110, https://doi.org/10.1007/s00190-021-01555-z. <strong>Contents:</strong> Daily ocean bottom pressure anomalies over 2007-2011 obtained from global forward simulations using the MITgcm (Massachusetts Institute of Technology general circulation model) in two very distinct horizontal grid configurations (<strong>LLC90</strong> and <strong>LLC540</strong>). The setup of the model runs, i.e., code customization and parameter choices, are aligned with the hierarchy of LLC simulations: https://github.com/MITgcm-contrib/llc_hires. Dissipative closures and mixing schemes are nearly identical in the two runs. Hence, differences in bottom pressure mainly reflect the effect of different horizontal resolution: <strong>MITgcm LLC90</strong> (<em>Massachusetts Institute of Technology general circulation model, Lat-Lon-Cap 90</em>): nominal 1° horizontal grid spacing, 50 vertical layers <strong>MITgcm LLC540</strong> (<em>Lat-Lon-Cap 540</em>): nominal 1/6° horizontal grid spacing, 50 vertical layers General specifications: Yearly files (<em>yyyy</em>) for each model run (<em>e.g.</em>, <em>LLC540_OBP_n180_yyyy.nc</em>) Temporal mean 2007-2011 reduced Daily fields centered at 12 UTC Units: cm of equivalent water height Data given on regular 1° grid Synthesized from spherical harmonic expansion truncated at degree 180 (<em>n180</em>) Degree 1 terms: included Static atmospheric contribution to bottom pressure: excluded Atmospheric forcing: ERA-Interim (6-hourly) Note: Note: A related dataset of daily bottom pressure anomalies (2007-2009) from LLC270 and a shallow-water model is available on https://doi.org/10.5281/zenodo.4293426. Contact: M. Schindelegger ([e-mail])