Consistent set of atmospheric and oceanic angular momentum, 1994 - 2022

<p>Data supplement for manuscript&nbsp;Kiani Shahvandi, M., Schindelegger, M., B&ouml;rger, L., Mishra, S., &amp; Soja, B. (2024). Revisiting the excitation of free core nutation. <em>Journal of Geophysical Research: Solid Earth</em>, 129, e2024JB029583. <a href="https://doi.org/10.1029/2024JB029583">https://doi.org/10.1029/2024JB029583</a></p> <p>&nbsp;</p> <p>Specifications for AAM:</p> <ul> <li>Data source:&nbsp;Modern-Era Retrospective analysis for Research and Applications version 2 (MERRA-2)</li> <li>Temporal resolution &amp; coverage: 3 hourly, 1994--2022</li> <li>Units for mass and motion terms:&nbsp;kg*m^2*s^(-1)</li> <li>Processing:&nbsp;Stationary signals due to atmospheric tides have been removed</li> <li>Other processing steps: Mass terms include angular momentum changes associated with the ocean's inverted barometer (IB) response</li> </ul> <p>&nbsp;</p> <p>Specifications for OAM:</p> <ul> <li>Derived from a barotropic ocean model simulation (the DEBOT model w/o data assimilation) using MERRA-2 atmospheric forcing</li> <li>Temporal resolution &amp; coverage: 3 hourly, 1994--2022</li> <li>Units for mass and motion terms:&nbsp;kg*m^2*s^(-1)</li> <li>Processing:&nbsp;Stationary signals due to atmospheric tides have been removed</li> <li>Other processing steps: Angular momentum changes associated with the ocean's IB response are not part of OAM, but AAM (see above)</li> </ul> <p>&nbsp;</p> <p>For further information see <em>ReadMe.txt</em>.</p> <p>&nbsp;</p> <p>Terms of usage:</p> <p>If you use the AAM time series, please cite:&nbsp;</p> <p>Kiani Shahvandi, M., Schindelegger, M., B&ouml;rger, L., Mishra, S., &amp; Soja, B. (2024). Revisiting the excitation of free core nutation. <em>Journal of Geophysical Research: Solid Earth</em>, 129, e2024JB029583. <a href="https://doi.org/10.1029/2024JB029583">https://doi.org/10.1029/2024JB029583</a></p> <p>&nbsp;</p> <p>If you use the OAM time series, please cite:&nbsp;</p> <p>Harker, A.A., Schindelegger, M., Ponte, R.M., Salstein, D.A., 2021. Modeling ocean-induced rapid Earth rotation variations: an update. <em>J Geod</em> <strong>95</strong>, 110. https://doi.org/10.1007/s00190-021-01555-z</p> <p>&nbsp;</p> <p>Please cite both papers if you use the AAM and OAM time series.</p> <p>&nbsp;</p> <p>Contact: L. B&ouml;rger (lboerger@igg.uni-bonn.de)</p>