Vitousek, P.M., J.D. Aber, R.W. Howarth, G.E. Likens, P.A. Matson, D.W. Schindler, W.H. Schlesinger, and D.G. Tilman. 1997. Human alteration of the global nitrogen cycle: sources and consequences . Ecol. Appl. 7(3): 737-750.

Wedin, D.A., and D. Tilman. 1996. Influence of nitrogen loading and species composition on the carbon balance of grasslands. Science 274(5293): 1720-1723.

Xie, H., L.E. Pierce, M.C. Dobson, and F.T. Ulaby. 1998. Combining Orbital SAR and Optical Data for Global Classification, IGARSS'98, July 6-10, 1998, Seattle, Wash.

Yamaguchi, Y., A.B. Kahle, H. Tsu, T. Kawakami, and M. Pniel. 1998. Overview of the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER). IEEE Trans. Geosci. Remote Sensing 36(4): 1062-1071.

Yang, Z-L., R.E. Dickinson, A. Henderson-Sellers, and A.J. Pitman. 1995. Preliminary study of spin up processes in land surface models with the first stage of the Project for Intercomparison of Land Surface Parameterization Schemes Phase 1(a). J. Geophys. Res. Atmos. 100(16): 16533-16578.

Zavody, A.M., C.T. Mutlow, and D.T. Llewellyn-Jones. 1995. A radiative transfer model for sea surface temperature retrieval for the Along-Track Scanning Radiometer. J. Geophys. Res. 100: 937-952.

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