MERRA-2

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min-height:99.9%;"> <ul> <li><a href="/reanalysis/MERRA-2/" id="index_ln1" style="color:midnightblue;">MERRA-2 Project</a></li> <li><a href="/reanalysis/MERRA-2/data_access/" id="index_ln2">Data Access</a></li> <li><a href="/reanalysis/MERRA-2/citing_MERRA-2/" id="index_ln2b">Citing MERRA-2 Data</a></li> <li><a href="/reanalysis/MERRA-2/docs/" id="index_ln3">Documentation</a></li> <li><a href="/reanalysis/MERRA-2/WMO_climate_reanalysis/" id="index_ln3">WMO Climate Reanalysis</a></li> <li><a href="/reanalysis/MERRA-2/MERRA-2_AMIP/" id="index_ln3b">MERRA-2 AMIP</a></li> <li><a href="/reanalysis/MERRA-2/highlights/" id="index_ln4">Highlights</a></li> <li><a href="/reanalysis/MERRA-2/images/" id="index_ln5">Images</a></li> <li><a href="/reanalysis/MERRA-2/videos/" id="index_ln6">Videos</a></li> <li><a href="/reanalysis/MERRA-2/FAQ/" id="index_ln7">FAQ</a></li> <li><a href="/reanalysis/MERRA-2/pubs/" id="index_ln8">Publications</a></li> <li><a href="/reanalysis/MERRA-2/mailing_list/" id="index_ln9">Mailing List</a></li> <li><a href="/reanalysis/MERRA-2/usage/" id="index_ln10">User Metrics</a></li> <li><a href="/reanalysis/MERRA-2/diag_feedback.php" id="index_ln11">Diagnostic Feedback</a></li> <li><a href="/reanalysis/" id="index_ln12">GMAO Reanalysis Page</a></li> </ul> </div>  </div> <script type="text/javascript"> activate("index_ln3"); </script> <a name="skipping" id="skipping"></a> <div id="content-wrapper"> <div class="maincontent" id="leftnavOneColumn"> <h2>Modern-Era Retrospective analysis for Research and Applications, Version 2</h2> <div class="full-width-content-item"> <div class="divClear"></div> </div> <div style="height:auto; min-height:471px;"> <a name="top"></a> <h3>Documentation</h3> <ul class="insetbox_ivory"> <li><strong>MERRA-2 Overview:</strong> <a href ="https://doi.org/10.1175/JCLI-D-16-0758.1" target="_blank">The Modern-Era Retrospective Analysis for Research and Applications, Version 2 (MERRA-2)</a>, Ronald Gelaro, et al., 2017, J. Clim., <a href ="https://doi.org/10.1175/JCLI-D-16-0758.1" target="_blank">doi: 10.1175/JCLI-D-16-0758.1</a></li> <li style="font-weight:bold;">The American Meteorological Society has a special collection of articles relevant to MERRA-2. This collection, coordinated by Mike Bosilovich, is available at <a href="http://journals.ametsoc.org/collection/MERRA2" target="_blank" style="text-decoration:underline;">http://journals.ametsoc.org/collection/MERRA2</a>. </li> <li> <a href="/pubs/docs/Bosilovich785.pdf" target="_blank" style="font-weight:600;">MERRA-2 File Specification</a> - This document has a comprehensive list of datasets available, as well as description of the horizontal and vertical grids.</li> <li> <a href="/pubs/docs/Collow1253.pdf" target="_blank" style="font-weight:600;">File Specification for MERRA-2 Climate Statistics Products</a> - This document describes the gridded climate statistics files produced using output from the MERRA-2 reanalysis.</li> <li> <a href="https://gmao.gsfc.nasa.gov/reanalysis/MERRA-2/docs/ANAvsASM.pdf" style="font-weight:600;">Supplementary Description of Differences between ANA and ASM Data Collections</a>.</li> <li style="height:1px; border-bottom:1px solid #ccc;"></li> <li> These GMAO Technical Memoranda evaluate different aspects of the MERRA-2 system: <ul style="list-style-type:none;"> <li><a href="/pubs/docs/Bosilovich803.pdf" target="_blank">#43, Bosilovich et al. – MERRA-2: Initial Evaluation of the Climate</a></li> <li><a href="/pubs/docs/Randles887.pdf" target="_blank">#45, Randles et al. – The MERRA-2 Aerosol Assimilation</a></li> <li><a href="/pubs/docs/McCarty885.pdf" target="_blank">#46, McCarty et al. – MERRA-2 Input Observations: Summary and Assessment</a></li> </ul> </li> <li>These GMAO Technical Memoranda document aspects of the MERRA-2 system: <ul style="list-style-type:none; text-indent:-2em;"> <li>Description of the observation corrected precipitation process used in MERRA-2:<br /> Reichle, R., Q. Liu, R. Koster, C. Draper, S. Mahanama, and G. Partyka, 2017. <strong>Land Surface Precipitation in MERRA-2</strong>. <em>J. Clim.</em> doi:10.1175/JCLI-D-16-0570.1 <a href="http://journals.ametsoc.org/doi/pdf/10.1175/JCLI-D-16-0570.1" target="_blank">Link</a>. </li>  <li>Description of the GEOS-5 model changes between the MERRA and MERRA-2 systems: Molod, A., Takacs, L., Suarez, M., and Bacmeister, J., 2015: <strong>Development of the GEOS-5 atmospheric general circulation model: evolution from MERRA to MERRA2</strong>, <em>Geosci. Model Dev.</em>, <strong>8</strong>, 1339-1356, doi:10.5194/gmd-8-1339-2015. <a href="http://www.geosci-model-dev.net/8/1339/2015/gmd-8-1339-2015.html" target="_blank">Link</a>.</li> <li>Description of the mass constraint used in MERRA-2:<br /> Takacs, L. L., M. Suarez, and R. Todling, 2015. <strong>Maintaining Atmospheric Mass and Water Balance Within Reanalysis</strong>. <em>NASA/TM–2014-104606</em>, Vol. <strong>37</strong> <a href="http://gmao.gsfc.nasa.gov/pubs/docs/Takacs737.pdf" target="_blank">Document</a>.</li> </ul> </li> </ul> </div> </div>   </div> </div> <div class="divClear"></div> <div id="footer"> <div> <a href="https://www.nasa.gov" class="imageLink"><img src="/images/nasa-logo.svg" alt="NASA Logo, National Aeronautics and Space Administration" height="85" style="margin-left: 20px;" /></a> </div>  <div id="footer-signature"> <a href="https://science.gsfc.nasa.gov/earth/" class="imageLink"><img src="/images/ESD-logo.png" weight="230" height="47" alt="Earth Sciences" /></a> </div> <div class="nasafootlinks"id="footerLeft"> <ul> <li>Responsible NASA Official : <br />  <a href="mailto:Steven.Pawson-1@nasa.gov">Steven Pawson</a></li> <li>Web Curator:  <br />  <a href="mailto:bennett.erdman@nasa.gov">Bennett Erdman</a></li> </ul> </div> <div class="nasafootlinks" id="footerRight" style="zoom:reset;"> <ul> <li> <a target="_blank" href="https://www.nasa.gov/about/highlights/HP_Privacy.html">Privacy Policy & Important Notices</a> </li> <li> <a target="_blank" href="https://www.nasa.gov/accessibility/">NASA's Accessibility Statement</a> </li> <li> <a href="/contact.php">Contact Us</a> </li> <li>Page Last Updated: 12/7/2020</li> </ul> </div> </div> </div> </div> </body> </html>

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