@Article{npg-15-81-2008,
AUTHOR = {Rabier, F. and Gauthier, P. and Cardinali, C. and Langland, R. and Tsyrulnikov, M. and Lorenc, A. and Steinle, P. and Gelaro, R. and Koizumi, K.},
TITLE = {An update on THORPEX-related research in data assimilation and observing strategies},
JOURNAL = {Nonlinear Processes in Geophysics},
VOLUME = {15},
YEAR = {2008},
NUMBER = {1},
PAGES = {81--94},
URL = {https://npg.copernicus.org/articles/15/81/2008/},
DOI = {10.5194/npg-15-81-2008}
}

@Article{npg-15-127-2008,
AUTHOR = {Bocquet, M.},
TITLE = {Inverse modelling of atmospheric tracers: non-Gaussian methods and second-order sensitivity analysis},
JOURNAL = {Nonlinear Processes in Geophysics},
VOLUME = {15},
YEAR = {2008},
NUMBER = {1},
PAGES = {127--143},
URL = {https://npg.copernicus.org/articles/15/127/2008/},
DOI = {10.5194/npg-15-127-2008}
}

@Article{npg-15-275-2008,
AUTHOR = {Dietrich, J. and Trepte, S. and Wang, Y. and Schumann, A. H. and Vo{\ss}, F. and Hesser, F. B. and Denhard, M.},
TITLE = {Combination of different types of ensembles for the adaptive simulation of probabilistic flood forecasts: hindcasts for the Mulde 2002 extreme event},
JOURNAL = {Nonlinear Processes in Geophysics},
VOLUME = {15},
YEAR = {2008},
NUMBER = {2},
PAGES = {275--286},
URL = {https://npg.copernicus.org/articles/15/275/2008/},
DOI = {10.5194/npg-15-275-2008}
}

@Article{npg-15-305-2008,
AUTHOR = {Auroux, D. and Blum, J.},
TITLE = {A nudging-based data assimilation method: the Back and Forth Nudging (BFN) algorithm},
JOURNAL = {Nonlinear Processes in Geophysics},
VOLUME = {15},
YEAR = {2008},
NUMBER = {2},
PAGES = {305--319},
URL = {https://npg.copernicus.org/articles/15/305/2008/},
DOI = {10.5194/npg-15-305-2008}
}

@Article{npg-15-321-2008,
AUTHOR = {Hallerberg, S. and Kantz, H.},
TITLE = {How does the quality of a prediction depend on the magnitude of the events under study?},
JOURNAL = {Nonlinear Processes in Geophysics},
VOLUME = {15},
YEAR = {2008},
NUMBER = {2},
PAGES = {321--331},
URL = {https://npg.copernicus.org/articles/15/321/2008/},
DOI = {10.5194/npg-15-321-2008}
}

@Article{npg-15-503-2008,
AUTHOR = {Carrassi, A. and Trevisan, A. and Descamps, L. and Talagrand, O. and Uboldi, F.},
TITLE = {Controlling instabilities along a 3DVar analysis cycle by assimilating in  the unstable subspace: a comparison with the EnKF},
JOURNAL = {Nonlinear Processes in Geophysics},
VOLUME = {15},
YEAR = {2008},
NUMBER = {4},
PAGES = {503--521},
URL = {https://npg.copernicus.org/articles/15/503/2008/},
DOI = {10.5194/npg-15-503-2008}
}