(2004-2009)
- Gilmanov, T.G., S.B. Verma, P.L. Sims, T.P. Meyers, J.A. Bradford, G.G. Burba, and A.E. Suyker. 2003. Gross primary production and light response parameters of four Southern Plains ecosystems estimated using long term CO2-flux tower measurements. Global Biogeochem. Cycles. 17(2)1071:10.1029/2002GB002023.
- Gitelson, A.A., S.B. Verma, A. Vina, D.C. Rundquist, G. Keydan, B. Leavitt, T.J. Arkebauer, G.G. Burba, and A.E. Suyker. 2003. Novel technique for remote estimation of CO2 flux in maize. Geophys. Res. Lett. 30(9)1486:10.1029/2002GL016543.
- Suyker, A.E., S.B. Verma, and G.G. Burba. 2003. Interannual variability in net CO2 exchange of a native tallgrass prairie. Global Change Biol. 9:255-265. Suyker, A.E., S.B. Verma, G.G. Burba, T.J. Arkebauer, D.T. Walters, and K.G. Hubbard. 2004. Growing season carbon dioxide exchange in irrigated and rainfed maize. Agric. For. Meteorol. 124:1-13.
- Gu, L., E.M. Falge, T. Boden, D. Baldocchi, T.A. Black, S.R. Saleska, T. Suni, S.B. Verma, T. Vesala, S.C. Wofsy, and L. Xu. 2005. Objective threshold determination for nighttime eddy flux filtering. Agric. For. Meteorol. 128:179-197.
- Hanan, N.P., J.A. Berry, S.B. Verma, E.A. Walter-Shea, A.E. Suyker, G.G. Burba, and A.S. Denning. 2005. Testing a model of CO2, water and energy exchange in Great Plains tallgrass prairie and wheat ecosystems. Agric. For. Meteorol. 131:162-179.
- Suyker, A.E., S.B. Verma, G.G. Burba, and T.J. Arkebauer. 2005. Gross primary production and ecosystem respiration of irrigated maize and irrigated soybean during a growing season. Agric. For. Meteorol. 131:180-190.
- Verma, S.B., A. Dobermann, K.G. Cassman, D.T. Walters, J.M. Knops, T.J. Arkebauer, A.E. Suyker, G.G. Burba, B. Amos, H. Yang, D. Ginting, K.G. Hubbard, A.A. Gitelson, and E.A. Walter-Shea. 2005. Annual carbon dioxide exchange in irrigated and rainfed maize-based agroecosystems. Agric. For. Meteorol. 131:77-96.
- Burba, G.G., and S.B. Verma. 2005. Seasonal and interannual variability in evapotranspiration of native tallgrass prairie and cultivated wheat ecosystems. Agric. For. Meteorol. 135:190-201.
- Gitelson, A.A., A. Vina, S.B. Verma, D.C. Rundquist, T.J. Arkebauer, G. Keydan, B. Leavitt, V. Ciganda, G.G. Burba, and A.E. Suyker. 2006. Relationship between gross primary production and chlorophyll content in crops: implications for the synoptic monitoring of vegetation productivity. J. Geophysical Res. 111, D08S11, doi:10.1029/2005JD006017.
- Grant, R.F., T.J. Arkebauer, A. Dobermann, K.G. Hubbard, T.T. Schimelfenig, A.E. Suyker, S.B. Verma, and D.T. Walters. 2007. Net biome productivity of irrigated and rainfed maize-soybean rotations: modeling vs. measurements. Agron. J. 99:1404-1423.
- Gitelson, A.A., A. Vina, J.G. Masek, S.B. Verma, and A.E. Suyker. 2008. Synoptic monitoring of gross primary productivity of maize using Landsat data. IEEE Geosci. Remote Sens. Lett. 5(2): 133-137.
- Suyker, A.E., and S.B. Verma. 2008. Interannual water vapor and energy exchange in an irrigated maize-based agroecosystem. Agric. For. Meteorol. 148:417-427.
- Suyker, A.E., and S.B. Verma. 2009. Evapotranspiration of irrigated and rainfed maize-soybean cropping systems. Agric. For. Meteorol. 149:443-452.




