John Baker Research Leader, USDA-ARS

Baker, J.M., T.E. Ochsner, R.T. Venterea, and T.J. Griffis. 2007. Tillage and Carbon Sequestration- What do we really know? Agric. Ecosys. Environ. 118:1-5.

Griffis, T.J., J. Zhang, J.M. Baker, N. Kljun, and K. Bilmark. 2007. Determining carbon isotope signatures from micrometeorological measurements: implications for studying biosphere-atmosphere exchange processes. Boundary Layer Meteorol. (in press).

Venterea, R.T., J.M. Baker, M.S. Dolan, and K.A. Spokas. 2006. Carbon and nitrogen storage are greater under biennial tillage in a Minnesota corn-soybean rotation. Soil Sci. Soc. Amer. J.70:1752-1762.

Baker, J.M., and T.J. Griffis. 2005. Examining strategies to improve the carbon balance of corn/soybean agriculture using eddy covariance and mass balance techniques. Agric. For. Meteorol. 128:163-177

Griffis, T.J., X. Lee, J.M. Baker, and J.Y. King. 2005. Feasibility of quantifying ecosystem-atmosphere C18O16O exchange using laser spectroscopy and the flux-gradient method. Agric. Forest Meteorol. (in press).

Zhang, J., T.J. Griffis, and J.M. Baker. 2006. Using continuous stable isotope measurements to partition net ecosystem CO2 exchange. Plant, Cell, and Environment 29:483-496.

Dolan, M. D., C.E. Clapp, R.R. Allmaras, J.M. Baker, and J.A.E. Molina. 2006. Soil organic carbon and nitrogen in a Minnesota soil as related to nitrogen, tillage, and residue management. Soil Tillage Res. 89:221-231

Hatfield, J.L., and J.M. Baker (eds.) 2005. Micrometeorology in Agricultural Systems. American Society of Agronomy, Madison, WI. 584 pp.

Baker, J.M. 2005. Humidity. in Micrometeorology in Agricultural Systems, pp. 31-42 in J.L. Hatfield and J.M. Baker (eds.). American Society of Agronomy, Madison, WI

Griffis, T.J., J.M. Baker, S.D. Sargent, B.D. Tanner, and J. Zhang. 2004. Measuring field-scale isotopic CO2 fluxes with tunable diode laser absorption spectroscopy and micrometeorological techniques. Agric. For. Meteorol. 124: 15-29.

Masarik, K.C., J.M. Norman, K.R. Brye, and J.M. Baker. 2004. Improvements to measuring water flux in the vadose zone.. J. Env. Qual.33: 1152-1158

Baker, J.M. 2003. Recalcitrant problems in environmental instrumentation. Agron J. 95: 1404-1407

Cobos, D.R., and J.M. Baker. 2003. In Situ Measurement of Soil Heat Flux with the Gradient Method. Vadose Zone J 2003 2: 589-594.

Cobos, D.R., and J.M. Baker. 2003. Eval;uation and modification of a domeless net radiometer. Agron. J. 95:177-183.

Baker, J.M. 2003. Water movement in frozen soil. Pp. 314-316 in Encyclopedia of Water Science, T.A. Howell and B.A. Stewart (eds.). Marcel Dekker, N.Y.

Cobos, D.R., J.M. Baker, and E.A. Nater. 2002. Conditional sampling for measuring mercury vapor fluxes. Atmospheric Environment 36(27): 4309-4321.

Baker, J.M., and D.G. Baker. 2002. Long-term ground heat flux and heat storage at a mid-latitude site. Climatic Change 54:295-303.

Spaans, E.J.A., and J.M. Baker. 2002. Determination of soil moisture characteristic by freezing. Pp. 704-709 in ?Methods of Soil Analysis, 3rd edition?, J. Dane and G.C.Topp (eds). Amer. Soc. Agron., Madison, WI.

Baker, J.M., and J.M. Norman. 2002. Evaporation from natural surfaces. Pp. 1047-1074 in ?Methods of Soil Analysis, 3rd edition?, J. Dane and G.C.Topp (eds). Amer. Soc. Agron., Madison, WI

Baker, J.M., J.M. Norman, and A. Kano. 2001. A new approach to infrared thermometry. Agric. For. Meteorol. 108:281-292.

Amente, G., J.M. Baker, and C.F. Reece. 2000. Estimation of soil solution electrical conductivity from bulk soil electrical conductivity in sandy soils. SSSAJ 64:1931-1939.

Baker, J.M. 2000. Conditional sampling revisited. Agric. Forest Meteorol. 104:59-65.

Baker, J.M., G.N. Flerchinger, and E.J.A. Spaans. 2000. Sensible heat exchange during snowmelt. In ?Contaminant Hydrology: Cold Regions Modeling?, S.A. Grant (ed). CRC Press, Boca Raton, FL.

Baker, J.M., K.J. Davis, and G.J. Liknes. 1999.The surface energy balance and boundary layer development during snowmelt. J. Geophys. Res. 104 D: 19611-19621.

Koren, V., J. Schaake, K. Mitchell, Q.Y.Duan, F. Chen, and J.M. Baker. 1999. A parameterization of snowpack and frozen ground intended for NCEP weather and climate models. J. Geophys. Res. 104 D: 19569-19585.

Baker, J.M. 1998. Determination of differential CO2 concentration by conductimetric analysis. Agron. J. 90:612-616.

Breiter, W.A., J.M. Baker, and W.C. Koskinen. 1998. Direct measurement of Henry?s constant for S-Ethyl N, di-n-propylthiocarbamate. J. Agr. Food Chem. 46:1624-1629.

Bland, W.L., P.A. Helmke, and J.M. Baker. 1997. High-resolution snow-water equivalent measurement by gamma-ray spectroscopy. Agric. Forest Meteorol. 83:27-36.

Baker, J.M., W.C. Koskinen, and R.H. Dowdy. 1996.Volatilization of EPTC: Simulation and measurement. J. Environ. Qual. 25:169-177.

Spaans, E.J.A., and J.M. Baker. 1996. The soil freezing characteristic: Its measurement and similarity to the soil moisture characteristic. Soil Sci Soc. Am. J. 60:13-19.

Baker, J.M., E.J.A. Spaans, and C.F. Reece. 1996. Conductimetric measurement of atmospheric CO2 concentration: Theoretical basis and its verification . Agron J. 88:675-682.