Hubbard, S, I. Lunt, K. Grote and Y, Rubin, Vineyard soil water content: mapping small scale variability using ground penetrating radar, Chapter in Macqueen, R.W., and Meinert, L.D., (eds.), 2006, Fine Wine and Terroir - The Geoscience Perspective: Geoscience Canada Reprint Series Number 9, Geological Association of Canada, St. John's, Newfoundland, 247 pages. ISBN 1-897095-21-X; ISSN 0821-381X. (pdf file)

Lunt, I., S. Hubbard and Y. Rubin, Soil moisture content estimatin using ground-penetrating radar reflection data, Journal of Hydrology, doi:10.1016/j.jhydrol.2004.10.014 , Vol 307/1-4, pp 254-269, 2005. (pdf file)

Hubbard, S. and Y. Rubin, The quest for better wine using Geophysics, Geotimes, 49(8), 30-34, 2004 (short review) (pdf file)

Grote, K., S. Hubbard and Y. Rubin, Field-Scale Estimation of Volumetric Water Content using GPR Groundwave Techniques, Water Resour. Res., Vol. 39, No. 11, 1321, 10.1029/2003WR002045, 2003 (PDF File).

Hubbard, S. Grote, K. and Rubin, Y., Estimation of near-subsurface water content using high frequency GPR ground wave data, Leading Edge of Exploration, Society of Exploration Geophysics, VJ. 21, No. 6, 2002.

Huisman., S. Hubbard, S., D. Redman, P. Annan, Monitoring Soil Water Content with Ground-Penetrating Radar: A Review, Vadose Zone Journal, 4(2), 2003 (PDF file)

Hubbard, S., J. Chen, K. Williams, J. Peterson and Y. Rubin, Enviromental and Agricultural Applications of GPR, International Workshop on Ground Penetrating Radar Invited Keynote, May 2-4, Delft, Netherlands, 2005 (PDF file).

Lunt, I., S. Hubbard and Y. Rubin, Soil moisture content estimation using ground-penetrating radar reflection travel time data, Eos. Trans. AGU 84(46), Fall Meet. Suppl., Abstract H21F-04, 2003.

Hou, Z., Y. Rubin and S. Hubbard, Non-Linear, Bayesian Inversion in the Vadose zone, Eos. Trans. AGU 84(46), Fall Meet. Suppl., Abstract H31b-0464, 2003.

Hubbard S., L. Pierce, K. Grote , and Y. Rubin, Assessing the relative importance of incorporating spatial and temporal variability of soil and plant parameters into local water balance models: investigations within a California Vineyard , Eos. Trans. AGU 84(46), Fall Meet. Suppl., Abstract H42m-01, 2003.

K. Grote, S. Hubbard, Y. Rubin, Influence of near-surface vegetation on the values and variability of soil water content, Eos. Trans. AGU 84(46), Fall Meet. Suppl., Abstract H32c-0591, 2003.

Hubbard, S., K. Grote, I. Lunt, L. Pierce and Y. Rubin, Spatial and Temporal variablity of soil moisture content obtained using GPR data: accuracy, resolution, and implications for precision viticulture, GSA annual meeting, Seattle, WA. Nov, 2003 (abstract).

Hubbard, S., K. Grote, I. Lunt and Y. Rubin, Near surface water content estimation using GPR data: investigations within California Vineyards. Geophysical Research Abstract, Vol. 5, 02403, European Geophysical Society, Abstract Number EAE03-A-01486, 2003 (powerpoint pdf file).

Hubbard, S.S., Grote, K., Rubin, Y. and Kowalsky, M., Mapping the water distribution in a California Winery, p 169-172, Proceedings of the International Groundwater Symposium, Berkeley California, March 2002.

Grote, K., Hubbard, S., and Rubin, Y., Soil Water Content Spatial Correlation Estimation using GPR, Eos. Trans. AGU 82(47), Fall Meet. Suppl., Abstract H31C-0247, 2001.

Hubbard, S.S., Hubbard, S.S., Grote, K., Kowalsky, M., Rubin, Y. , Investigating Temporal and Spatial Variations in Near Surface Water Content using GPR, Invited abstract: EOS. Trans. AGU 82(47), Fall Meet. Suppl., Abstract GP11B-09, 2001.