Welcome to Andy Fisher's Web Page

Department of Earth and Planetary Sciences and Institute for Geophysics and Planetary Physics
University of California at Santa Cruz

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Recent publications from the UCSC Hydrogeology research group - please download a preprint or see all available papers on the Publications page:
current student
Winslow, D. M., A. T. Fisher, and K. Becker, 2013, Characterizing borehole fluid flow and formation permeability in the ocean crust using linked analytic models and Markov Chain Monte Carlo analysis, Geochem. Geophys. Geosystems, doi 10.1002/ggge.20241.

current student

Racz, A. J., Fisher, A. T., Schmidt, C. M., Lockwood, B. S., Los Huertos, M., Spatial and temporal infiltration dynamics during managed aquifer recharge, Ground Water, doi: 10.1111/j.1745-6584.2011.00875.x, 2011.

former student

Russo, T. A., Fisher, A. T., Lockwood, B. S., Assessment of managed aquifer recharge potential and impacts using a geographical information system and numerical modeling, Ground Water, in review, 2014.

Russo, T. A., Fisher, A. T., Winslow, D. M, Regional and local increases in storm intensity in the San Francisco Bay Area, USA, between 1890 and 2010, J. Geophys. Res., Atmospheres, 118: 1–10, doi:10.1002/jgrd.502252013, 2013.

Russo, T. A., Fisher, A. T., Roche, J. W, Improving riparian wetland conditions based on infiltration and drainage behavior during and after controlled flooding, J. Hydrology, doi:10.1016/j.jhydrol.2012.02.022, 2012.

former student

Schmidt, C. M., A. T. Fisher, A. Racz, C. G. Wheat, M. Los Huertos, B. Lockwood, Rapid nutrient load reduction during infiltration of managed aquifer recharge in an agricultural groundwater basin, Hydrol. Processes.doi: 10.1002/hyp.8320, 2011.

Schmidt, C. M., A. T. Fisher, A. J. Racz, B. Lockwood and M. Los Huertos, Linking denitrification and infiltration rates during managed groundwater recharge, Env. Science & Tech., dx.doi.org/10.1021/es2023626, 2011.

former student

Hatch, C. E., A. T. Fisher, C. Ruehl, G. Stemler, Temporal changes in streambed hydraulic conductivity quantified with time-series thermal methods, J. Hydrol., 389, doi: 10.1016/j.jhydrol.2010.05.046, 276-288, 2010.

Hatch, C. E., A. T. Fisher, J. S. Revenaugh, J. Constantz, and C. Ruehl, Quantifying surface water - ground water interactions using time series analysis of streambed thermal records: method development. Water Resources Research, 42(10): 10.1029/2005WR004787, 2006.

former student

Hutnak, M., A. T. Fisher, R. Harris, C. Stein, K. Wang, G. Spinelli, M. Schindler, H. Villinger, and E. Silver (2008), Large heat and fluid fluxes driven through mid-plate outcrops on ocean crust, Nature Geoscience, doi: 10.1038/ngeo264, 2008.

Hutnak, M. and Fisher, A. T., The influence of sedimentation, local and regional hydrothermal circulation, and thermal rebound on measurements of heat flux from young seafloor, J. Geophys. Res., 112, B12101, doi:10.1029/2007JB005022, 2007.

Hutnak, M., A. T. Fisher, L. Zuhlsdorff, V. Spiess, P. Stauffer, and C. W. Gable, Hydrothermal recharge and discharge guided by basement outcrops on 0.2-3.6 Ma seafloor east of the Juan de Fuca Ridge: observations and numerical models. Geochemistry, Geophysics, Geosystems, 7, Q07O02, doi:10.1029/2006GC001242, 2006.

former student

Ruehl, C., Fisher, A. T., Los Huertos, M., Wankel, S., Kendall, C., Hatch, C., and Shennan, C., Nitrate dynamics within the Pajaro River, a nutrient-rich, losing stream, J. N. Am. Benthological Soc., 26(2): 191-206, 2007.

Ruehl, C., Fisher, A. T., Hatch, C., Los Huertos, M., Stemler, G., and Shennan, C., Differential gauging and tracer tests resolve seepage fluxes in a strongly-losing stream, J. Hydrology, 300: 235-248, 2006.

etc., etc.

Wheat, C. G., S. M. Hulme, A. T. Fisher, B. N. Orcutt, and K. Becker (2013), Seawater recharge into oceanic crust: IODP Exp 327 Site U1363 Grizzly Bare outcrop, Geochemistry Geophysics Geosystems (G3), 14(6), doi: 10.1002/ggge.20131.

Becker, K., A. T. Fisher, and T. Tsuji, 2013, New packer experiments and borehole logs in upper oceanic crust: evidence for ridge-parallel consistency in crustal hydrogeologic properties, Geochemistry Geophysics Geosystems (G3),doi: 10.1002/ggge.2020.

Fisher, A. T., T. Tsuki, K. Petronotis, C. G. Wheat, K. Becker, J. F. Clark, J. Cowen, K. Edwards, H. Jannasch, IODP Expedition 327 Scientific Party, and Atlantis Expedition AT18-07 Scientific Party, 2012, Installing and servicing borehole crustal observatories to run three-dimensional cross-hole perturbation and monitoring experiments on the eastern flank of the Juan de Fuca Ridge: IODP Expedition 327 and Atlantis Expedition AT18-07, Sci. Drilling, 13, doi:10.2204/iodp.sd.2213.2201.2011.

Edwards, K. J., A. T. Fisher, and C. G. Wheat, 2012, The deep subsurface biosphere in igneous ocean crust: frontier habitats for microbial exploration, Frontiers in Microbiology, 3, doi: 10.3389/fmicb.2012.00008.

Fisher, A. T., J. Cowen, C. G. Wheat, J. Clark, Preparation and injection of fluid tracers during IODP Expedition 327, eastern flank of Juan de Fuca Ridge, In A.T. Fisher, T. Tsuji, and K. Petronotis, Proc. IODP, Expedition 327, College Station, TX (Integrated Ocean Drilling Program), doi:10.2204/iodp.proc.327.108.2011.

Fisher, A. T., Harris, R. N., Using heat as a tracer of subseafloor fluid flow, Geofluids, doi: 10.1111/j.1468-8123.2009.00274.x, 2010.

Fisher, A. T., Wheat, C. G., Seamounts as conduits for massive fluxes of fluid, heat, and solutes, Oceanography, 23 (1): 74-87, 2010 .

Fisher, A. T.,Davis, E. E., Becker, K., Borehole-to-borehole hydrologic response across 2.4 km in the upper oceanic crust: implications for crustal scale properties, J. Geophys. Res., doi:10.1029/2007JB005447, 2008.

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this page last updated: 26-Feb-2014