@misc{79866,
  keywords = {NWP, lecture notes},
  author = {Mike Fisher},
  title = {Assimilation techniques (5): Approximate Kalman Filters and Singular Vectors },
  abstract = {<h6>Contents</h6>
<p>
  &nbsp;</p>

<ol><li>Introduction</li><li>Why is the Kalman filter impractical for very large systems?</li><li>The ensemble Kalman filter</li><li>Subspaces, projections and Hessian singular vectors</li><li>The ECMWF reduced-rank Kalman filter</li><li>Examples</li><li>References</li></ol>
<p>
  &nbsp;</p>
},
  year = {2002},
  journal = {Meteorological Training Course Lecture Series},
  month = {2002},
  publisher = {ECMWF},
  language = {eng},
}