1L'Ecuyer T S,Jiang J H. Physics Today,2010, (7) :36.
2Solomon Set al. eds. Climate Change 2007 :. The Physical Science Basis. New York: Cambridge U. Press, 2007, online at http://www. ipcc. ch/ipccreports/ar4-wgl. htm.
3Allan R P,Soden B J. Science, 2008,321:1481.
4Waliser D E etal. J. Geophys. Res.,2009,114:D00A21.
5Stephens G L. J. Clim. , 2005, 18: 237.
6Bony S et al. J. Clim. , 2006,19 : 3445.
7Stephens G L et al. Bull. Am. Meteorol. Soc. 2002,83 : 1771.
8Schoeberl M R et al. IEEE Trans. Geosei. Remote Sens. ,2006,44:1066.
9Nghiem S V et al. Geophys. Res. Lett. ,2007,34:L19504.
10Kay J E et al. Geophys. Res. Lett. , 2008,35 : L08503.
8Nicolas Tremblay,Zhijie Wang,Bao-Luo Ma,Carl Belec,Philippe Vigneault.A comparison of crop data measured by two commercial sensors for variable-rate nitrogen application[J]. Precision Agriculture . 2009 (2)
9J. Berntsen,A. Thomsen,K. Schelde,O. M. Hansen,L. Knudsen,N. Broge,H. Hougaard,R. H?rfarter.Algorithms for sensor-based redistribution of nitrogen fertilizer in winter wheat[J]. Precision Agriculture . 2006 (2)
10D. Ehlert,J. Schmerler,U. Voelker.Variable Rate Nitrogen Fertilisation of Winter Wheat Based on a Crop Density Sensor[J]. Precision Agriculture . 2004 (3)