@misc{79865,
  keywords = {NWP, lecture notes},
  author = {Mike Fisher},
  title = {Assimilation Techniques (4): 4dVar},
  abstract = {<p>
  &nbsp;</p>

<h6>Contents</h6>
<ol><li>Introduction</li><li>Comparison between the ECMWF 3dVar and 4dVar systems</li><li>The current operational configuration of 4dVar</li><li>Increments from a single observation</li><li>A cautionary example</li><li>References</li></ol>
<p>
  &nbsp;</p>
},
  year = {2002},
  journal = {Meteorological Training Course Lecture Series},
  month = {2002},
  publisher = {ECMWF},
  language = {eng},
}