Publications

Click to see publications (update interval for lists are 1 yr-1).

Joel T. Harper:

Publications

Broad-Interest Journals

Doyle, S. H. et al. (2015), Amplified melt and flow of the Greenland ice sheet driven by late-summer cyclonic rainfall, Nature Geos., 8(8), 647–653, doi:10.1038/ngeo2482.

Harper, J. (2013), Cryosphere: Greenland’s lurking aquifer, Nature Geos., 7(2), 86–87, doi:10.1038/ngeo2061.

Meierbachtol, T., J. Harper, and N. Humphrey (2013), Basal Drainage System Response to Increasing Surface Melt on the Greenland Ice Sheet, Science, 341(6147), 777–779, doi:10.1126/science.1235905.

Harper, J. T., N. Humphrey, W. T. Pfeffer, J. Brown, and X. Fettweis (2012), Greenland ice-sheet contribution to sea-level rise buffered by meltwater storage in firn., Nature, 491(7423), 240–3, doi:10.1038/nature11566.

Harper, J. T., J. H. Bradford, N. F. Humphrey, and T. W. Meierbachtol (2010), Vertical Extension of the Subglacial Drainage System Into Basal Crevasses, Nature, 467, 579–582, doi:10.1038/nature09398.

Pfeffer, W. T., J. T. Harper, and S. O’Neel (2008), Kinematic constraints on glacier contributions to 21st-century sea-level rise, Science, 321 (5894), 1340–1343, doi: 0.1126/science.1159099.

Harper, J. T., N. F. Humphrey, and W. T. Pfeffer (1998b), Three-dimensional deformation measured in an Alaskan Glacier, Science, 281(5381), 1340–1342.

Discipline-specific Journals and Chapters

Brown, J, Harper, J, Humphrey, N., (2017) Liquid water content in ice estimated through a full-depth ground radar profile and borehole measurements in western Greenland. The Cryosphere, 11, 1–11, doi:10.5194/tc-11-1-2017.

Clark, A.,  Fagre, D.,  Peitzsch, E., Reardon, B., and Harper, J. (2017), Glaciological measurements and mass balances from Sperry Glacier, Montana, USA, years 2005–2015, Earth Syst. Sci. Data, 9, 47-61, doi:10.5194/essd-9-47-2017.

Meierbachtol, T., J. Harper, and J. Johnson (2016), Force Balance along Isunnguata Sermia, West Greenland, Frontiers of Earth Science., 4, 1–9, doi:10.3389/feart.2016.00087.

Wright, P. J., J. T. Harper, N. F. Humphrey, and T. W. Meierbachtol (2016), Measured basal water pressure variability of the western Greenland Ice Sheet: Implications for hydraulic potential, J. Geophys. Res., 121, 1–14, doi:10.1002/2016JF003819.

Graly, J. A., N. F. Humphrey, and J. T. Harper (2016), Chemical depletion of sediment under the Greenland Ice Sheet, Earth Surf. Process. Landforms, 1–15, doi:10.1002/esp.3960.

Harper, J, Hubbard, A, Ruskeeniemi, T, Claesson Liljedahl, L.,  Kontula, A, Hobbs, M, Brown, J, Dirkson, A, Dow, C, Doyle, S, Drake, H, Engström, J, Fitzpatrick, A, Follin, S, Frape, S. (2016), The Greenland Analogue Project: Data and Processes, Svensk Kärnbränslehantering AB., R-14-13, Stockholm Sweden, ISSN 1402-3091, 387p.

Claesson Liljedahl, L., Kontula, A, Harper, J, J-o, Näslund, J-o, Selroos, Pitkänen, P, Puigdomenech, I, Hobbs, M, Follin, S, Hirschorn, S, Jansson, P, Kennell, L, Marcos, N, Ruskeeniemi, T, E-l, Tullborg, Vidstrand, P (2016), The Greenland Analogue Project, Svensk Kärnbränslehantering AB., R-14-13, Stockholm Sweden, ISSN 1404-0344, 142p.

Meierbachtol, T.W., J. T. Harper, N. F. Humphrey, and P. Wright (2015), Mechanical Forcing on Water Pressure in a hydrologically isolated reach beneath Western Greenland’s ablation zone, Annals of Glaciology, 1–9, doi:10.1017/aog.2016.5.

Cox, C., N. Humphrey, and J. Harper (2015), Quantifying meltwater refreezing along a transect of sites on the Greenland ice sheet, Cryosphere, 9, 691–701, doi:10.5194/tc-9-691-2015.

Clark, A. M., Harper, J. T., and D.B. Fagre, (2015), Glacier-derived August runoff in northwest Montana. Arctic, Antarctic, and Alpine Research, Vol. 47, No. 1, 1–16.

Harrington, J., Humphrey, N.F., and J. T. Harper, (2015), Temperature distribution and thermal anomalies along a flowline of the Greenland Ice Sheet, Annals of Glaciology, Vol. 56, No. 70, 70A945.

Meierbachtol, T. W.,  Harper, J. T.,  Johnson, J. V., Humphrey, N. F.,  and D. J. Brinkerhoff, (2015), Thermal boundary conditions on Western Greenland: observational constraints and impacts on the modeled thermo-mechanical state. Journal of Geophysical Research Earth Surface, DOI: 10.1002/2014JF003375.

Graly, J. A., N. F. Humphrey, C. M. Landowski, and J. T. Harper (2014), Chemical weathering under the Greenland Ice Sheet, Geology, 42(6), 551–554, doi:10.1130/G35370.1.

Seligman, Z. M., J. T. Harper, and M. P. Maneta (2014), Changes to Snowpack Energy State from Spring Storm Events, Columbia River Headwaters, Montana, J. Hydrometeorol., 15(1), 159–170, doi:10.1175/JHM-D-12-078.1.

Bradford, J. H., J. Nichols, J. T. Harper, and T. Meierbachtol (2013), Compressional and EM wave velocity anisotropy in a temperate glacier due to basal crevasses, and implications for water content estimation, Ann. Glaciol., 54(64), 168–178, doi:10.3189/2013AoG64A206.

Rennermalm, a K. et al. (2013), Understanding Greenland ice sheet hydrology using an integrated multi-scale approach, Environ. Res. Lett., 8(1), 015017, doi:10.1088/1748-9326/8/1/015017.

Silverman, N. L., M. P. Maneta, S.-H. Chen, and J. T. Harper (2013), Dynamically downscaled winter precipitation over complex terrain of the Central Rockies of Western Montana, USA, Water Resour. Res., 49(1), 458–470, doi:10.1029/2012WR012874.

Brown, J., J. Bradford, J. Harper, W. T. Pfeffer, N. Humphrey, and E. Mosley-Thompson (2012), Georadar-derived estimates of firn density in the percolation zone, western Greenland ice sheet, J. Geophys. Res., 117(F1), F01011, doi:10.1029/2011JF002089.

Humphrey, N. F., J. T. Harper, and W. T. Pfeffer (2012), Thermal tracking of meltwater retention in Greenland’s accumulation area, J. Geophys. Res., 117(F1), F01010, doi:10.1029/2011JF002083.

Mikesell, T. D., K. van Wijk, M. M. Haney, J. H. Bradford, H. P. Marshall, and J. T. Harper (2012), Monitoring glacier surface seismicity in time and space using Rayleigh waves, J. Geophys. Res., 117(F2), F02020, doi:10.1029/2011JF002259.

Brinkerhoff, D. J., T. W. Meierbachtol, J. V Johnson, and J. T. Harper (2011), Sensitivity of the frozen/melted basal boundary to perturbations of basal traction and geothermal heat flux: Isunnguata Sermia, western Greenland, Ann. Glaciol., 52(59), 43–50.

Brown, J., J. Harper, W. T. Pfeffer, N. Humphrey, and J. Bradford (2011), High-resolution study of layering within the percolation and soaked facies of the Greenland ice sheet, Ann. Glaciol., 52(59), 35–42.

Harper, J., N. Humphrey, W. T. Pfeffer, and J. Brown (2011), Firn Stratigraphy and Temperature to 10 m Depth in the Percolation Zone of Western Greenland, 2007–2009, INSTAAR, Occas. Pap., ISSN 0069-(60).

Brown, J., J. Harper, and N. Humphrey (2010), Cirque Glacier Sensitivity to 21st Century Climate Change: Sperry Glacier, Montana, Glob. Planet. Change, 74(2), 91–98, doi:10.1016/j.gloplacha.2010.09.001.

Gillan, B. J., J. T. Harper, and J. N. Moore (2010), Timing of present and future snowmelt from high elevations in northwest Montana, Water Resour. Res., 46, W01507, doi:doi:10.1029/2009WR007861.

Bradford, J. H., J. T. Harper, and J. Brown (2009a), Complex dielectric permittivity measurements from ground-penetrating radar data to estimate snow liquid water content in the pendular regime, Water Resour. Res., 45, 1–12, doi: 10.1029/2008WR007341.

Bradford, J. H., J. Nichols, M. T. D., and J. T. Harper (2009b), Continuous Profiles Of Electromagnetic Wave Velocity and Water Content in Glaciers, Ann. Glaciol., 50(51), 1–9.

Brown, J., J. Harper, and J. Bradford (2009), A radar transparent layer in a temperate valley glacier: Bench Glacier, Alaska, Earth Surf. Process. Landforms, 34, 1497–1506, doi: 10.1002/esp.1835.

Fudge, T. J., J. T. Harper, N. F. Humphrey, and W. T. Pfeffer (2009), Rapid Glacier Sliding, Reverse Ice Motion, and Subglacial Water Pressure During an Autumn Rainstorm, Ann. Glaciol., 50(51), 1–9.

Fudge, T. J., N. F. Humphrey, J. T. Harper, and W. T. Pfeffer (2008), Diurnal Fluctuations in Borehole Water Levels: Configuration of the Drainage System Beneath Bench Glacier, Alaska, J. Glaciol., 54(185), 297–306, doi 10.3189/002214308784886072.

Meierbachtol, T., J. T. Harper, N. F. Humphrey, J. Shaha, and J. Bradford (2008), Air compression as a mechanism for the underdamped slug test response in fractured glacier ice, J. Geophys. Res., 113(F04009), 1–14, doi: 10.1029/2007JF000908.

Bleha, J. A., and J. T. Harper (2007), Snowmelt Water Generation in a Large Mountain Basin of Northwest Montana from a MODIS Driven Model, in Symposium on Environmental Sensing, vol. 1, edited by M. Gribb, pp. 83–86. , Inland Northwest Research Alliance, Boise, ID.

Harper, J. T., N. F. Humphrey, W. T. Pfeffer, and B. Lazar (2007), Two modes of Accelerated Glacier Sliding Related to Water, Geophys. Res. Lett., 34(12), L12503, doi: 10.1029/2007GL030233.

Moore, J. N., J. T. Harper, and M. C. Greenwood (2007), Significance of trends toward earlier snowmelt runoff, Columbia and Missouri Basin headwaters, western United States, J. Geophys. Res., 34, L16402, doi:10.1029/2007GL031022, doi:10.1029/2007GL031022.

Bradford, J. H., and J. T. Harper (2006), Measuring complex dielectric permittivity from GPR to estimate liquid water content in snow, Soc. Explor. Geophys. Tech. Progr., 25, 1352–1356, doi:10.1190/1.2369770.

Bradford, J. H., and J. T. Harper (2005), Wavefield Migration as a Tool for Estimating Spatially Continuous Radar Velocity and Water Content in Glaciers, Geophys. Res. Lett., 32, L08502, doi:10.1029/2004GL021770.

Fudge, T. J., J. T. Harper, N. F. Humphrey, W. T. Pfeffer, (2005), Timing and pattern of termination of diurnal water pressure fluctuations: Bench Glacier, Alaska, Ann. Glaciol., 40, 102–106.

Harper, J. T., N. F. Humphrey, W. T. Pfeffer, T. Fudge, and S. O’Neel (2005), Evolution of subglacial water pressure along a glacier’s length, Ann. Glaciol., 40, 31–36.

Harper, J. T., and J. H. Bradford (2003), Snow stratigraphy over a uniform depositional surface: spatial variability and measurement tools, Cold Reg. Sci. Technol., 37(3), 289–298.

Harper, J. T., N. F. Humphrey (2003), High altitude Himalayan climate inferred from glacial ice flux, Geophys. Res. Lett., 30(14), 1764–1769, doi:10.1029/2003GL017329.

Harper, J. T., and J. H. Bradford (2002), Spatial variability of snow stratification in the absence of terrain factors, in International Snow Science Workshop, edited by R. Stevens, pp. 1–8, International Snow Science Workshop Canada Inc., Penticton, B.C. Canada.

Harper, J. T., N. F. Humphrey, M. C. Greenwood (2002), Basal conditions and glacier motion during the winter/spring transition, Worthington Glacier, Alaska, U.S.A, J. Glaciol., 48(160), 42–50, doi:10.3189/172756502781831629.

Marshall, H. P., J. T. Harper, W. T. Pfeffer, and N. F. Humphrey (2002), Depth-varying constitutive properties observed in an isothermal glacier, Geophys. Res. Lett., 29(61), 1–4.

Harper, J. T., N. F. Humphrey, W. T. Pfeffer, S. V Huzurbazar, D. B. Bahr, B. C. Welch, and Anonymous (2001), Spatial variability in the flow of a valley glacier: Deformation of a large array of boreholes, J. Geophys. Res., 106(B5), 8547–8562, doi: 10.1029/2000JB900440.

Pfeffer, W. T., N. F. Humphrey, B. Amadei, J. T. Harper, and W. J. (2000), In-situ stress tensor measured in an Alaskan glacier, Ann. Glaciol., 31, 229–235.

Harper, J. T., N. F. Humphrey, and W. T. Pfeffer (1998a), Crevasse patterns and the strain rate tensor: a high resolution comparison, J. Glaciol., 44(146), 68–76.

Jones, L. S., and J. T. Harper (1998), Channel avulsions and related processes, and large-scale sedimentation patterns since 1875, Rio Grande, San Luis Valley, Colorado, Geol. Soc. Am. Bull., 110(3), 411–421.

Welch, B. C., W. T. Pfeffer, J. T. Harper, and N. F. Humphrey (1998), Mapping subglacial surfaces below temperate valley glaciers using 3-dimensional radio-echo sounding techniques, J. Glaciol., 44(146), 164–170.

Harper, J. T., N. F. Humphrey, W. T. Pfeffer, and B. C. Welch (1996), Short wavelength variations in the horizontal velocity field of a valley glacier, in Glaciers, Ice Sheets and Volcanoes, vol. Special Re, edited by S. C. Colbeck, pp. 41–48, U.S. Army Cold Regions Research and Engineering Laboratory, Hanover, N.H.

Welch, B. C., W. T. Pfeffer, J. T. Harper, and N. F. Humphrey (1996), A maximum glacier-bed surface obtained by radio-echo sounding, in Glaciers, Ice Sheets and Volcanoes, vol. Special Re, edited by S. C. Colbeck, pp. 105–110, U.S. Army Cold Regions Research and Engineering Laboratory, Hanover, N.H.

Harper, J. T., and N. F. Humphrey (1995), Borehole video analysis of a temperate glacier’s englacial and subglacial structure; implications for glacier flow models, Geology, 23(10), 901–904.

Harper, J. T. (1993), Glacier terminus fluctuations on Mount Baker, Washington, U.S.A., 1940-1990, and climatic variations, Arct. Alp. Res., 25(4), 332–340.

Jesse Johnson:

Publications

Rogozhina, I., A.G. Petrunin, A.P.N. Vaughan, B. Steinberger, J.V. Johnson, M. Kaban, R. Calov, F. Rickers,M. Thomas, and I. Koulakov (2016), “Melting at the base of the Greenland ice sheet explained by Iceland hotspot history”, Nature Geoscience 9, 366369 doi:10.1038/ngeo2689

O.P. Layeni and J.V. Johnson (2016), “Exact closed-form solutions of some Stefan problems in thermally heterogeneous cylinders” Mechanics Reseach Communications doi:10.1016/j.mechrescom.2015.09.012

Brinkerhoff, D. and Johnson, J.V. (2015), “A stabilized finite element method for calculating balance velocities in ice sheets”, Geosci. Model Dev., 8, 1275-1283, doi:10.5194/gmd-8-1275-2015

Brinkerhoff, D. J., and J. V. Johnson (2015), “Dynamics of thermally induced ice streams simulated with a higher-order flow model”, J. Geophys. Res. Earth Surf., 120, doi:10.1002/2015JF003499.

D.J. Brinkerhoff and J.V. Johnson (2014) Geosci. Model Dev. Discuss., 7, 5183-5195, 2014 www.geosci-model-dev-discuss.net/7/5183/2014/ doi:10.5194/gmdd-7-5183-2014

van der Veen, C.J., L.A. Stearns, J.V. Johnson, B. Csatho (2014) ``Flow Dynamics of Byrd Glacier, East Antarctica'' Journal of Glaciology, vol. 60 (224), doi: 10.3189/2014JoG14J052

Y. Korolev, A. Yagola, D.J. Brinkerhoff, J.V. Johnson (2013) œMethods of error estimation in inverse problems on compact sets in banach lattices theory and applications in ice sheet modeling Inverse Problems, Design and Optimization Symposium, Albi, France, June 26-28 (proceedings volume forthcoming)

Data assimilation and prognostic whole ice sheet modelling with the variationally derived, higher order, open source, and fully parallel ice sheet model VarGlaS (25 Jul 2013) D. J. Brinkerhoff and J.V. Johnson The Cryosphere, 7, 1161-1184, 2013

Bindschadler, R. A., S. Nowicki, A. Abe-Ouchi, A. Aschwanden, H. Choi, J. Fastook, G. Granzow, R. Greve, G. Gutowski, U. Herzfeld, C. Jackson, J.V. Johnson, C. Kroulev, A. Levermann, W. Lipsomb, M. Martin, M. Morlighem, B. Parizek, D. Pollard, S. Price, D. Ren, F. Saito, T Sato, H. Seddik, H. Seroussi, K. Takahashi, R. Walker and W. Wang, (2013) œIce-sheet model sensitivities to environmental forcing and their use in projecting future sea-level (the SeaRISE project). Journal of Glaciology Vol. 59, No.214, doi:10.3189/2013JoG12J125

Nowicki, S., R. Bindschadler, A. Abe-Ouchi, A. Aschwanden, E. Bueler, H. Choi, J. Fastook, G. Granzow, R. Greve, G. Gutowski, U. Herzfeld, C. Jackson, J.V. Johnson, C. Kroulev, E. Larour, A. Levermann, W. Lipsomb, M. Martin, M. Morlighem, B. Parizek, D. Pollard, S. Price, E. Rignot, D. Ren, F. Saito, T Sato, H. Seddik, H. Seroussi, K. Takahashi, R. Walker and W. Wang (2013) œInsights into spatial sensitivities of ice mass response to environmental change from the SeaRISE ice sheet modeling project I. Antarctica Journal of Geophysical Research - Earth Surface doi: 10.1002/jgrf.20081.

Nowicki, S., R. Bindschadler, A. Abe-Ouchi, A. Aschwanden, E. Bueler, H. Choi, J. Fastook, G. Granzow, R. Greve, G. Gutowski, U. Herzfeld, C. Jackson, J.V. Johnson, C. Kroulev, E. Larour, A. Levermann, W. Lipsomb, M. Martin, M. Morlighem, B. Parizek, D. Pollard, S. Price, E. Rignot, D. Ren, F. Saito, T Sato, H. Seddik, H. Seroussi, K. Takahashi, R. Walker and W. Wang. (2013) œInsights into spatial sensitivities of ice mass response to environmental change from the SeaRISE ice sheet modeling project II. Greenland. Journal of Geophysical Research - Earth Surface doi: 10.1002/jgrf.20076

O.P. Layeni and J.V. Johnson (2012), Some explicit solutions for a class of one-phase Stefan problems AIP Conf. Proc. 1479, 2379, DOI:10.1063/1.4756673

O.P. Layeni, J.V. Johnson, (2012) œHybrids of the heat balance integral method, Applied Mathematics and Computation, Volume 218, Issue 14, Pages 7431-7444, ISSN 0096-3003, 10.1016/j.amc.2012.01.001. (http://www.sciencedirect.com/science/article/pii/S0096300312000069)

S.P. Carter, H.A. Fricker, D.D. Blankenship, J.V. Johnson, W. Lipscomb, S.F. Price, D.A. Young, (2011) œModeling five years of subglacial lake activity in the MacAyeal Ice Stream catchment through assimilation of ICESat laser altimety Journal of Glaciology, vol. 57 (206) pp. 1098-1112

D.J. Brinkerhoff, T.W. Meierbachtol, J.V. Johnson, J.T. Harper, (2011) œSensitivity of the frozen-melted basal boundary to perturbations of basal traction and geothermal heat flux: Isunnguata Sermia, western Greenland, Annals of Glaciology, 52(59) pp. 42-50

R. Calov, R. Greve, A. Abe-Ouchi, E. Bueler, P. Huybrechts, J.V. Johnson, F. Pattyn, D. Pollard, C. Ritz, F. Saito, L. Tarasov (2010) Results from the Ice-Sheet Model Intercomparison Project Heinrich Event INtercOmparison (ISMIP HEINO). Journal of Glaciology vol. 56 (197) pp. 371-383

Toby Meierbachtol:

Publications

Publications

Meierbachtol T, Harper J, Johnson J, (2016) Force Balance Along Isunnguata Sermia, West Greenland. Front. Earth Sci. 4(87) (doi:10.3389/feart.2016.00087).

Wright PJ, Harper JT, Humphrey NF, Meierbachtol TW (2016) Measured basal water pressure variability of the western Greenland Ice Sheet: Implications for hydraulic potential. J. Geophys. Res. Earth Surf., 121, 1-14 (doi:10.1002/2016JF003819).

Meierbachtol TW, Harper JT, Humphrey NF and Wright PJ (2016) Mechanical forcing of water pressure in a hydraulically isolated reach beneath Western Greenland's ablation zone. Annals of Glaciology, Available on CJO (doi:10.1017/aog.2016.5).

Doyle SH, Hubbard A, van de Wal RSW, Box JE, van As D, Scharrer K, Meierbachtol TW, Smeets PCJP, Harper JT, Johansson E, Mottram RH, Mikkelsen AB, Wilhelms F, Patton H, Christoffersen P and Hubbard B (2015) Amplified melt and flow of the Greenland ice sheet driven by late-summer cyclonic rainfall. Nat. Geosci. 8(July) (doi:10.1038/ngeo2482)

Meierbachtol TW, Harper JT, Johnson J V, Humphrey NF and Brinkerhoff DJ (2015) Thermal boundary conditions on western Greenland: Observational constraints and impacts on the modeled thermomechanical state. J. Geophys. Res. Earth Surf. 120, 623–636 (doi:10.1002/2014JF003375)

Meierbachtol T, Harper J and Humphrey N (2013) Basal drainage system response to increasing surface melt on the Greenland ice sheet. Science 341(6147), 777–779 (doi:10.1126/science.1235905)

Bradford JH, Nichols J, Harper JT and Meierbachtol T (2013) Compressional and EM wave velocity anisotropy in a temperate glacier due to basal crevasses, and implications for water content estimation. Ann. Glaciol. 54(64), 168–178 (doi:10.3189/2013AoG64A206)

Brinkerhoff DJ, Meierbachtol TW, Johnson J V. and Harper JT (2011) Sensitivity of the frozen/melted basal boundary to perturbations of basal traction and geothermal heat flux: Isunnguata Sermia, western Greenland. Ann. Glaciol. 52(59), 43–50 (doi:10.3189/172756411799096330)

Harper JT, Bradford JH, Humphrey NF and Meierbachtol TW (2010) Vertical extension of the subglacial drainage system into basal crevasses. Nature 467(7315), 579–82 (doi:10.1038/nature09398)

 

Oral Presentations:

Meierbachtol T, Harper J, Humphrey N, Maier N. 2016. Seasonal Changes in Drainage System Configuration from Synthesis of a Surface-to-Bed Measurement Network in WEstern Greennland (invited). Abstract C42A-07 presented at 2016 Fall Meeting, AGU, San Francisco, CA, 12-16 Dec.

Meierbachtol TW, Harper JT, Humphrey NF, Wright PJ. 2015. In situ constraints on the relationship between basal water flux, water pressure, and ice velocity from borehole experiments in western Greenland. Presented at International Glaciological Society International Symposium on the Hydrology of Glaciers and Ice Sheets, Hofn, Iceland, 21-26 June.

Meierbachtol, T W, Harper, J T, Humphrey, N F, Johnson, J V. 2012. Basal water pressure conditions away from the Greenland ice sheet margin. Presented at 2012 IGS Nordic Branch Meeting, Stockholm, Sweden, 25-27 Oct.

Meierbachtol, T W, Harper, J T, Humphrey, N F, Johnson, J V. 2011. Elucidation of basal processes from borehole water level perturbations along a transect of the Greenland ice sheet. Abstract C13C-05 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.

Meierbachtol TW, Harper JT, Humphrey NF, Shaha J and Bradford JH (2008) Air compression as a mechanism for the underdamped slug test response in fractured glacier ice. J. Geophys. Res. 113(F4), 1–14 (doi:10.1029/2007JF000908)

 

Posters:

Meierbachtol, T W, Harper, J T, Johnson, J V, Humphrey, N F, Brinkerhoff, D J. 2013. Data-driven constraints on ice sheet model boundary conditions and comparison to borehole observations in Western Greenland, Abstract C53B-0554 presented at 2013 Fall Meeting, AGU, San Francisco, Calif., 9-13 Dec.

Meierbachtol, T W, Harper, J T, Humphrey, N F, Johnson, J V. 2012. Rapid adjustment of Greenland subglacial system to discharge perturbation: in-situ measurements in boreholes, Abstract C43C-0621 presented at 2012 Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec.

Meierbachtol, T W, Harper, J T, Humprey, N F.  2010.  Perturbations to Subglacial Water Storage through Integrated Borehole Impulse Testing: Western Greenland,  Abstract C21B-0540 presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13 - 17 Dec.

Meierbachtol, T W, Harper, J T, Moore, J N. 2007. Modeling Spring Snowmelt Dynamics in a Northern Rockies Basin using a Modified Temperature-Index Model, Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abstract C21B-0475.

Meierbachtol, T W, Harper, J T, Humphrey, N F, Bradford, J. 2006. Englacial and Subglacial Water Flow Elucidated by Active and Passive Borehole Experiments: Bench Glacier, Alaska, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract C31A-1229.

Johnnie N. Moore:

Selected Publications

Moore, J.N., A.S. Arrigoni and A.C. Wilcox, 2012, Impacts of dams on annual flow regimes in three headwater sub-basins of the Columbia River Basin, USA, Journal American Water Resources Association, DOI: 10.1111⁄j.1752-1688.2012.00660.x

Moore, J.N. and H.W. Langner, 2012, Can a river heal itself? Natural attenuation of metal contamination in river sediment, Environmental Science and Technology, DOI: 10.1021/es203810j Publication Date (Web): February 9, 2012.

Arrigoni, A., M. Greenwood, and J. Moore, 2010, The relative impact of anthropogenic modifications versus climate change on the natural flow regimes of rivers in the Northern Rocky Mountains, USA, Water Resources Research, doi:10.1029/2010WR009162. [PDF]

Plathe, K.L., F. von der Kammer, M. Hassellöv, J. Moore, M. Murayama, T. Hofmann, M.F. Hochella, Jr., 2010, Using FlFFF and aTEM to determine trace metal – nanoparticle associations in riverbed sediment, Environmental Chemistry, 7 (82–93), doi:10.1071/EN09111.

Gillan, B. J., Harper, J. T., and J. N. Moore, 2010, Time Probability Distribution of Snowmelt Timing from High Elevations in Northwestern Montana, Water Resources Research, 46, W01507, doi:10.1029/2009WR007861. [PDF]

 

 

 

 

 

Publications

K. L. Plathe, K.L., F. von der Kammer, M. Hassellöv, J.N. Moore; M. Murayama, T. Hofmann, and M.F. Hochella, Jr., 2012, The role of nanominerals and mineral nanoparticles in the transport of toxic trace metals: Field-flow fractionation and analytical TEM analyses after nanoparticle isolation and density. Geochimica et Cosmochimica Acta., 102, pp213-225, DOI: 10.1016/j.gca.2012.10.029.

Moore, J.N., A.S. Arrigoni and A.C. Wilcox, 2012, Impacts of dams on annual flow regimes in three headwater sub-basins of the Columbia River Basin, USA, Journal American Water Resources Association, DOI: 10.1111⁄j.1752-1688.2012.00660.x

Moore, J.N. and H.W. Langner, 2012, Can a river heal itself? Natural attenuation of metal contamination in river sediment, Environmental Science and Technology, DOI: 10.1021/es203810j Publication Date (Web): February 9, 2012.

Woelfle-Erskine, Cleo, A.C. Wilcox and Johnnie N. Moore, 2012, Historical perspectives on geomorphic processes and river restoration in the Clark Fork River, Montana, USA, Earth Surface Processes and Landforms. (in press)

Arrigoni, A., M. Greenwood, and J. Moore, 2010, The relative impact of anthropogenic modifications versus climate change on the natural flow regimes of rivers in the Northern Rocky Mountains, USA, Water Resources Research, doi:10.1029/2010WR009162. [PDF]

Plathe, K.L., F. von der Kammer, M. Hassellöv, J. Moore, M. Murayama, T. Hofmann, M.F. Hochella, Jr., 2010, Using FlFFF and aTEM to determine trace metal – nanoparticle associations in riverbed sediment, Environmental Chemistry, 7 (82–93), doi:10.1071/EN09111.

Gillan, B. J., Harper, J. T., and J. N. Moore, 2010, Time Probability Distribution of Snowmelt Timing from High Elevations in Northwestern Montana, Water Resources Research, 46, W01507, doi:10.1029/2009WR007861. [PDF]

Feris, K.P., Ramsey, P.W., Gibbons, S.M., Frazar, C., Rillig, M.C., Moore, J.N., Gannon, J.E., and W.E. Holben, 2009, Hyporheic microbial community development is a sensitive indicator of metal contamination, Environmental Science & Technology, 43 (16), pp 6158–6163, DOI: 10.1021/es9005465.

Greenwood, M., Harper, J., Moore, J., 2009, An Application of Statistics in Climate Change: Detection of Nonlinear Changes in a Streamflow Timing Measure in the Columbia and Missouri Headwaters. In P.S. Bandyopadhyay and M. Forster, eds., Handbook of the Philosophy of Science, Vol. 7: Statistics, Elsevier.

Luoma, S.N., Moore, J.N., Farag, A., Hilman, T.H., Cain, D.J. and M. Hornberger, 2008, Mining Impacts on Fish in the Clark Fork River, Montana: A Field Ecotoxicology Case Study, Chap. 19, in The Toxicology of Fishes, R.T. Di Giulio and D.E. Hinton, Eds., CRC Press, Boca Raton, Florida.

Moore, J.N. and R. Shlemon, 2008, Chap. 5: Levee System Fragility. In Healey, M.C., M.D. Dettinger, and R.B. Norgaard, eds. 2008. The State of Bay-Delta Science, 2008. Sacramento, CA: CALFED Science Program. 174 pp. http://www.science.calwater.ca.gov/publications/sbds.html

Moore, J. N., J. T. Harper, and M. C. Greenwood, 2007, Significance of trends toward earlier snowmelt runoff, Columbia and Missouri Basin headwaters, western United States, Geophysical Research Letters, 34, L16402, doi:16410.11029/12007GL031022.

M.H. Hofmann, M.S. Hendrix, J.N. Moore and M. Sperazza, 2006, Late Pleistocene and Holocene depositional history of sediments in Flathead Lake, Montana: Evidence from high-resolution seismic reflection interpretation. Sedimentary Geology, vol. 184, Issues 1-2, p 111-131.

Hochella, M.F. Jr.; Moore, J.N.; Putnis, C.V.; Putnis, A.; Kasama, T.; Eberl, D.D., 2005, Direct observation of heavy metal-mineral association from the Clark Fork River Superfund Complex: Implications for metal transport and bioavailability. Geochimica et Cosmochimica Acta, vol. 69, Issue 7, p. 1651-1663.

Hochella, M.F., Jr.; Kasam, T.; Putnis, A.; Putnis, C.V. and Moore, J.N., 2005, Environmentally important, poorly crystalline Fe/Mn hydrous oxides: Ferrihydrite and a possibly new vernadite-like mineral from the Clark Fork River Superfund Complex. American Mineralogist, vol. 90, p. 718–724. DOI: 10.2138/am.2005.1591 718.

Feris, K. P., P. W. Ramsey, M. Rillig, J.N. Moore, J. E. Gannon, and W.E. Holben, 2004, Hyporheic microbial communities: Determining rates of change and evaluating group-level resiliency differences in response to fluvial heavy metal deposition. Applied and Environmental Microbiology, August 2004, p. 4756-4765, Vol. 70, No. 8. DOI: 10.1128/AEM.70.8.4756-4765.2004

Sperazza, M, Moore, J.N. and M.S. Hendrix, 2004, High-resolution particle size analysis of naturally occurring very fine-gained sediment through laser diffractometry. Journal of Sedimentary Research, vol. 74, no. 5, p. 736–743.

Feris, K. P., P. W. Ramsey, C. F. Frazar, J.N. Moore, J. E. Gannon, and W.E. Holben, 2003, Structure and seasonal dynamics of hyporheic zone microbial communities in free-stone rivers of the Western United States. Microbial Ecology, DOI: 10.1007/s00248-002-0100-x.

Nagorski, S. A. , J.N. Moore, and T.E. McKinnon, 2003, Seasonal and storm-scale variations in heavy metal concentrations of two mining-contaminated streams, Montana, USA. Journal de Physique IV, Journal de Physique IV, vol. 107, p. 909-911, C. Boutron and C. Ferrari, Eds.

Feris, K. P., P. W. Ramsey, C. F. Frazar, J.N. Moore, J. E. Gannon, and W.E. Holben, 2003, Differences in hyporheic zone microbial community structure along a heavy metal gradient. Appl. Environ. Microbio, vol. 69, p. 5563-5573.

Nagorski, S. A., J.N. Moore, T.E. McKinnon and D.B. Smith, 2003, Scale-dependent temporal variations in stream water geochemistry: Environmental Science and Technology, 37(5): 859-864.

Nagorski, S. A. , J.N. Moore, T.E. McKinnon and D.B. Smith, 2003, Geochemical response to variable streamflow conditions in contaminated and uncontaminated streams: Water Resources Research, 39(2): 1044-1058.

Moore, J.N., and W.W. Woessner, 2003, Arsenic Contamination in the Water Supply of Milltown, Montana, in Welch, A.H., and Stollenwerk, K.G., eds., Arsenic in Ground Water: Geochemistry and Occurrence: Norwell, Massachusetts, Kluwer Academic Publishers, p. 329-350.

Nicholas, D. R., Ramamoorthy, S., Spring, S., Moore, J. N., and R.F. Rosenzweig, 2003, Biogeochemical transformations of arsenic in circumneutral freshwater sediments: Biodegradation, (in press).

Nagorski, S.A., Moore, J.N. and D.B. Smith, 2002, Distribution of metals in water and bed sediment in a mineral-rich watershed, Montana, USA: Mine Water and the Environment, 21:121-136.

White, K.D. and J.N. Moore, 2002, Impacts of Dam Removal on Riverine Ice Regime: ASCE Journal of Cold Regions Engineering, 16(1): 1-50.

Moore, J.N., and W.W. Woessner, 2000, Solute and solid phase relationships in the surface hyporheic zone of a metals contaminated stream, Silver Bow Creek, MT. Proceedings of the Ground-Water/Surface Water Interactions Workshop, USEPA, EPA/542/R-00/007, July 2000, p. 151-155.

Castro, J.M. and J.N. Moore, 2000, Pit Lakes: Their characteristics and the potential for their remediation. Environmental Geology, 39 (11): 1254-1260.

Nagorski, S.A., T.E. McKinnon, J.N. Moore and D.B. Smith, 2000, Geochemical characterization of surface water and streambed sediment of the Blackfoot River, Montana, during low flow condiditons, August 16-20, 1998. U.S. Geological Survey Open-File Report 00-003, 59 p.

Hochella, M.F., J.N. Moore, U. Golla and A. Putnis, 1999. A TEM study of sample from acid mine drainage systems: Metal-mineral association with implications for transport. Geochimica et Cosmochimica Acta, 63(19-20): 3395-3406.

Wielinga, B, J.K. Lucy, J.N. Moore, O.F. Seastone and J.E. Ganon, 1999, Microbial and geochemical characterization of fluvially deposited sulfide mine tailings. Applied and Environmental Microbiology, 65(4): 1548-1555.

Nagorski, S. and J. N. Moore, 1999. Arsenic mobilization in the hyporheic zone of a contaminated stream. Water Resources Research, 35(11): 3441-3450.

Zhang, Y.Q., W.T. Frankenberger, Jr. and J.N. Moore. 1999. Effect of soil moisture on dimethyselenide transport and transformation to nonvolatile selenium. Environmental Science and Technology, 33(19): 3415-3420.

Zhang, Y.Q., J.N. Moore and W.T. Frankenberger, Jr. 1999. Speciation of Soluble Selenium in Agricultural Drainage Waters and Aqueous Soil-Sediment Extracts Using Hydride Generation Atomic Absorption Spectrometry. Environmental Science and Technology, 33(10): 1652-1656.

Zhang, Y.Q., W.T. Frankenberger, Jr. and J.N. Moore. 1999. Measurement of Selenite in Sediment Extracts by Using Hydride Generation Atomic Absorption Spectrometry. Science of the Total Environment, 229:183-193.

Castro, J.M, Wielinga, W.W., Gannon, J.E. and J.N. Moore, 1999, Simulation of sulfate–reducing bacteria in lake water from a former open–pit mine through addition of organic wastes: Water Environment Research, 71(2):218-223.

Moore, J.N. and E.M. Landrigan, 1999, Mobilization of metal–contaminated sediment by ice–jam floods: Environmental Geology, 37(1-2): 96-101.

Nimick, D.A., Moore, J.N., Dalby, C.E, and M.W. Savka, 1998, The fate of geothermal arsenic in the Madison and Missouri Rivers, Montana and Wyoming: Water Resources Research, 34(11): 3051-3067.

Nagorski, S.A., Shifflett, J.A., Moore, J.N. and D.B. Smith, 1998, Geochemical Baseline Studies and Relations Between Water Quality and Streamflow in the Upper Blackfoot River Watershed, Montana: Progress Report for July 1997-March 1998: U.S. Geological Survey Open-File Report 98-499, 133 p.

McCarty, D.K., Moore, J.N. and A. Marcus, 1998, Mineralogy and trace element association in an acid mine drainage iron oxide precipitate: comparison of selective extractions: Applied Geochemistry, 13: 165-176.

Zhang, Y. and J. N. Moore, 1998, Selenium Accumulation in a Wetland Channel, in, Frankenberger, W. and Engberg, R. (Eds.), Environmental Chemistry of Selenium. Macel Dekker, Inc., N.Y., Chap. 14, p. 243-257.