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@ARTICLE{Lahoz:6305,
      author       = {Lahoz, W.A. and Geer, A.J. and Bekki, S. and Bormann, S.
                      and Ceccherini, S. and Elbern, H. and Errera, Q. and Eskes,
                      H.J. and Fonteyn, D. and Jackson, D.R. and Khattatov, B. and
                      Marchand, M. and Massart, S. and Peuch, V.-H. and Rharmili,
                      S. and Ridolfi, M. and Segers, A. and Talagrand, O. and
                      Thornton, H.E. and Vik, A.F. and von Clarmann, T.},
      title        = {{T}he {A}ssimilation of {E}nvisat data ({ASSET}) project},
      journal      = {Atmospheric chemistry and physics},
      volume       = {7},
      issn         = {1680-7316},
      address      = {Katlenburg-Lindau},
      publisher    = {EGU},
      reportid     = {PreJuSER-6305},
      pages        = {1773 - 1796},
      year         = {2007},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {This paper discusses the highlights of the EU-funded
                      "Assimilation of Envisat data" ( ASSET) project, which has
                      involved assimilation of Envisat atmospheric constituent and
                      temperature data into systems based on Numerical Weather
                      Prediction (NWP) models and chemical transport models
                      (CTMs). Envisat was launched in 2002 and is one of the
                      largest Earth Observation ( EO) satellites ever built. It
                      carries several sophisticated EO instruments providing
                      insights into chemistry and dynamics of the atmosphere. In
                      this paper we focus on the assimilation of temperature and
                      constituents from Envisat.The overarching theme of the ASSET
                      project has been to bring together experts from all aspects
                      of the data assimilation problem. This has allowed ASSET to
                      address several themes comprehensively: enhancement of NWP
                      analyses by assimilation of research satellite data; studies
                      of the distribution of stratospheric chemical species by
                      assimilation of research satellite data into CTM systems;
                      objective assessment of the quality of ozone analyses;
                      studies of the spatial and temporal evolution of
                      tropospheric pollutants; enhanced retrievals of Envisat
                      data; and data archival and dissemination.Among the results
                      from the ASSET project, many of which are firsts in their
                      field, we can mention: a positive impact on NWP analyses
                      from assimilation of height-resolved stratospheric humidity
                      and temperature data, and assimilation of limb radiances;
                      the extraction of temperature information from the
                      assimilation of chemical species into CTMs; a first
                      intercomparison between ozone assimilation systems; the
                      extraction of information on tropospheric pollution from
                      assimilation of Envisat data; and the large potential of the
                      Envisat MIPAS dataset. This paper discusses these, often
                      novel, developments and results. Finally, achievements of,
                      and recommendations from, the ASSET project are presented.},
      keywords     = {J (WoSType)},
      cin          = {ICG-2},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB791},
      pnm          = {Atmosphäre und Klima},
      pid          = {G:(DE-Juel1)FUEK406},
      shelfmark    = {Meteorology $\&$ Atmospheric Sciences},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000245747800006},
      url          = {https://juser.fz-juelich.de/record/6305},
}