[1] [1] Lajitha K, Michener R H, et al. Stable Isotopes in E-cology and Environmental Science Blackwell. Oxford: Sci. Publ.,1994.

[2] [2] Taylor H P, O’Neil J R, Kaplan I R, et al. Stable IsotopeGeochemistry: A Tribute to Samuel Epstein, No. 3 Geochemical Society, San Antonio: Special Publ.,1991.

[3] [3] Hoefs J. Stable Isotope Geochemistry, 3rd ed. Berlin: Springer-Verlag,1987.

[4] [4] Rosenlof K H. Science,2003,302:1691.

[5] [5] Moyer E, Irion F, Yung Y, et al. Geophys Res.Lett.,1996,23:2385.

[6] [6] Shindell D T. Geophys. Res. Lett.,2001,28:1551.

[7] [7] Moskalenko Konstantin L, Nadezhdinskii Alexander I, Adamovskaya Inna A. Infrared Physicsand Technology,1996,37:181.

[8] [8] Griffis T J, Baker J M, Sargent S D, et al. Agricultural and Forest Meteorology,2004,124:15.

[9] [9] Uehara K, Yamamoto K, Kikugawa T, et al. Sensors and Actuators B: Chemical,2001,74:173.

[10] [10] Gagliardi G, Restieri R, Casa G, et al. Opticsand Lasersin Engineering,2002,37:131.

[11] [11] Bowling David R, Sargent Steve D, Tanner Bert D, et al. Agricultural and Forest Meteorology,2003,118:1.

[12] [12] Durrry Georges, Joly Lilian, Le Barbu Thibault, et al.Infrared Physics & Technology,2008,51:229.

[13] [13] Joly L, Zéninari V, Parvitte B, et al. Optics Letters,2006,31(2):143.

[14] [14] Craig H. Science,1961,113:1833.

[15] [15] Gonfiantini R. Nature(London),1978,271:534.