1. Alley WM (1984) The Palmer Drought Severity Index: limitations and assumptions. J Clim Appl Meteorol 23:1100–1109
2. Atherton BC, Brown LC, Fausey NR, Tornes L, Gehring RM, Steiger JR, Hall GS, Patterson JM, Prenger JJ, Brate AM, Zimmerman TL (1998) Development of a comprehensive agricultural water management guide for Ohio. In: Brown LC (ed) 7th international drainage symposium. St. Joseph, MI, ASAE, 7
3. Bagnoud N, Pitman AJ, McAvaney B, Holbrook NJ (2005) The contribution of the land surface energy balance complexity to differences in means, variances and extremes using the AMIP-II methodology. Clim Dyn 25:171–188
4. Baumgartner A, Reichel E (1975) The world water balance: mean annual global, continental and maritime precipitation, evaporation and runoff. Elsevier, Amsterdam
5. Bell J, Duffy P, Covey C, Sloan L (2000) Comparison of temperature variability in observations and sixteen climate model simulations. Geophys Res Lett 27:261–264