To cite package 'RNCEP' in publications use:

Kemp, M.U., van Loon, E.E., Shamoun-Baranes, J., and Bouten, W. 2012. RNCEP: global weather and climate data at your fingertips. Methods in Ecology and Evolution (3), 65-70., R package version 1.0.7.

To cite flow-assistance equations or NCEP.flight, use:

Kemp, M.U., Shamoun-Baranes, J., van Loon, E.E., McLaren, J.D., Dokter, A.M., Bouten, W. 2012. Quantifying flow-assistance and implications for movement research, Journal of Theoretical Biology, (308), 56-67, doi:10.1016/j.jtbi.2012.05.026, R package version 1.0.7.

To cite the NCEP/NCAR Reanalysis dataset use:

Kalnay et al. (1996), The NCEP/NCAR 40-year reanalysis project, Bull. Amer. Meteor. Soc., 77, 437-470

To cite the NCEP/DOE Reanalysis II dataset use:

Kanamitsu et al. (2002), NCEP-DOE AMIP-II Reanalysis (R-2). Bull. Amer. Meteor. Soc., 83, 1631-1643

Please acknowledge the use of NCEP data in any publications by including text such as... NCEP Reanalysis data provided by the NOAA/OAR/ESRL PSD, Boulder, Colorado, USA, from their Web site at http://www.esrl.noaa.gov/psd/. They would also appreciate a copy of any publications using NCEP data.

Corresponding BibTeX entries:

  @Article{,
    title = {RNCEP: global weather and climate data at your
      fingertips},
    author = {Michael Kemp and Emiel van Loon and Judy Shamoun-Baranes
      and Willem Bouten},
    journal = {Methods in Ecology and Evolution},
    volume = {3},
    issue = {1},
    pages = {65-70},
    year = {2012},
    note = {R package version 1.0.7},
    publisher = {Blackwell Publishing Ltd},
    issn = {2041-210X},
    url = {http://dx.doi.org/10.1111/j.2041-210X.2011.00138.x},
    doi = {10.1111/j.2041-210X.2011.00138.x},
  }
  @Article{,
    title = {Quantifying flow-assistance and implications for movement
      research},
    author = {Michael Kemp and Judy Shamoun-Baranes and Emiel van Loon
      and James McLaren and Adriaan Dokter and Willem Bouten},
    journal = {Journal of Theoretical Biology},
    volume = {308},
    issue = {1},
    pages = {56-67},
    year = {2012},
    note = {R package version 1.0.7},
    publisher = {Blackwell Publishing Ltd},
    issn = {0022-5193},
    url = {http://dx.doi.org/10.1016/j.jtbi.2012.05.026},
    doi = {10.1016/j.jtbi.2012.05.026},
  }
  @Article{,
    title = {The NCEP/NCAR 40-year reanalysis project},
    author = {Kalnay et al.},
    journal = {Bull. Amer. Meteor. Soc.},
    volume = {77},
    year = {1996},
    pages = {-33},
  }
  @Article{,
    title = {NCEP/DOE AMIP-II Reanalysis (R-2)},
    author = {Kanamitsu et al.},
    journal = {Bull. Amer. Meteor. Soc.},
    volume = {83},
    year = {2002},
    pages = {-12},
  }