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Gammons, C.H., Nimick, D.A., and Parker, S.R., in press, Diel cycling of trace elements in streams draining mineralized areas—A review:  Applied Geochemistry,

Runkel, R.L., Walton-Day, K., Nimick, D.A., Fuller, C.C., Cain, D.J., and Hornberger, M.I., 2013, Effects of floodplain restoration on copper, lead, uranium, and zinc geochemistry, Silver Bow Creek, Montana: Geological Society of America Abstracts with Programs, v. 45, no. 7, p. 286.

Runkel, R.L., Walton-Day, K., Kimball, B.A., Verplanck, P.V., Nimick, D.A., 2013, Estimating instream constituent loads using replicate synoptic sampling, Peru Creek, Colorado: Journal of Hydrology, v. 489, p. 26-41.

Balistrieri, L.S., Nimick, D.A., and Mebane, C.A., 2012, Assessing time-integrated dissolved concentrations and predicting toxicity of metals during diel cycling in streams: Science of the Total Environment, v. 425, p. 155-168.

Nimick, D.A., and Gammons, C.H., 2011, Diel biogeochemical processes in terrestrial waters: Chemical Geology, v. 283, p. 1-2.

Gammons, C.H., Babcock, J.N., Parker, S.R., and Poulson, S.R., 2011, Diel cycling and stable isotopes of dissolved oxygen, dissolved inorganic carbon, and nitrogenous species in a stream receiving treated municipal sewage: Chemical Geology, v. 283, p. 44-55.

Nimick, D.A., Gammons, C.H., and Parker, S.R., 2011, Diel biogeochemical processes and their effect on the aqueous chemistry of streams: A review: Chemical Geology, v. 283, p. 3-17.

Parker, S.R., Poulson, S.R., Smith, M.G., Weyer, C.L., and Bates, K.M., 2010, Temporal variability in the concentration and stable carbon isotope composition of dissolved inorganic and organic carbon in two Montana, USA rivers: Aquatic Geochemistry, v. 16, p. 61-84.

Parker, S.R., Gammons, C.H., Poulson, S.R., DeGrandpre, M.D., Weyer, C.L., Smith, M.G., Babcock, J.N., and Oba, Y., 2010, Diel behavior of stable isotopes of dissolved oxygen and dissolved inorganic carbon in rivers over a range of trophic conditions, and in a mesocosm experiment: Chemical Geology, v. 269, p. 22-32.

Gammons, C.H., Duaime, T.E., Parker, S.R., Poulson, S.R., and Kennelly, P., 2010, Geochemistry and stable isotope investigation of acid mine drainage associated with abandoned coal mines in central Montana, USA: Chemical Geology, v. 269, p.100-112.

Nimick, D.A., Gammons, C., Berkas, W.R., and Cleasby, T.E., 2009, A biological cause for large summer diel streamflow cycles, upper Big Hole River, southwestern Montana: Geological Society of America Abstracts with Programs, v. 41, p. 198.

Kimball, B.A., and Runkel, R.L., 2009, Spatially detailed quantification of metal loading for decision making: Metal mass loading to American Fork and Mary Ellen Gulch, Utah: Mine Water and the Environment, v. 28, p. 251-317.

Kill Eagle, J.L., Gammons, C.H., Weight, W.D., Babcock, J.N., Jepson, W., and Langner, H.W., 2009, Results and lessons learned from a continuous injection tracer test in a small mountain stream receiving acid mine drainage: Mine Water and the Environment, v. 28, p. 182–193.

Parker, S.R., Gammons, C.H., Pedrozo, F.L., Wood, S.A., 2008, Diel changes in metal concentrations in a geogenically acidic river: Rio Agrio, Argentina: Journal of Volcanology and Geothermal Research, v. 178, p. 213-223.

Gammons, C.H., Nimick, D.A., Parker, S.R., Snyder, D.M., McCleskey, R.B., Amils, R., and Poulson, S.R., 2008, Photoreduction fuels biogeochemical cycling of iron in Spain’s acid rivers: Chemical Geology, v. 252, p. 202-213.

Borrok, D.M., Nimick, D.A., Wanty, R.B., and Ridley, W.I., 2008, Isotopic variations of dissolved copper and zinc in stream waters affected by historical mining: Geochimica Cosmochimica Acta, v. 72, p. 329-344.

Nimick, D.A., Harper, D.D., Farag, A.M., Cleasby, T.E., MacConnell, E., and Skaar, D., 2007, Influence of in-stream diel concentration cycles of dissolved trace metals on acute toxicity to one-year-old cutthroat trout (Oncorhynchus clarki lewisi): Environmental Toxicology and Chemistry, v. 26, p. 2667-2678.

Chapin, T.P., Nimick, D.A., Gammons, C.H., and Wanty, R.B., 2007, Diel cycling of zinc in a stream impacted by acid rock drainage: Initial results from a new in situ Zn analyzer: Environmental Monitoring and Assessment, v. 133, p. 161-167.

Gammons, C.H., Grant, T.M., Nimick, D.A., Parker, S.R., and DeGrandpre, M.D., 2007, Diel changes in water chemistry in an arsenic-rich stream and treatment-pond system: Science of the Total Environment, v. 384, p. 433-451.

Gammons, C.H., Milodragovich, Lica, and Belanger-Woods, Jodi, 2007, Influence of diurnal cycles on metal concentrations and loads in streams draining abandoned mine lands: an example from High Ore Creek, Montana: Environmental Geology, v. 53, p. 611-622.

Parker, S.R., Gammons, C.H., Poulson, S.R., and DeGrandpre, M.D., 2007, Diel variations in stream chemistry and isotopic composition of dissolved inorganic carbon, upper Clark Fork River, Montana, USA: Applied Geochemistry, v. 22, p. 1329-1343.

Parker, S.R., Gammons, C.H., Jones, C.A., and Nimick, D.A., 2007, Role of hydrous iron oxide formation in attenuation and diel cycling of dissolved trace metals in a stream affected by acid rock drainage: Water, Air, and Soil Pollution, v. 181, p. 247-263.

Nimick, D.A., McCleskey, R.B., and Gammons, C.H., 2007, Diel mercury-concentration variations in streams affected by mining and geothermal discharge: Science of the Total Environment, v. 373, p. 344-355.

Morris, J.M., and Meyer, J.S., 2007, Photosynthetically mediated Zn removal from the water column in High Ore Creek, Montana: Water, Air, and Soil Pollution, v. 179, p. 391-395.

Morris, J.M., Farag, A.M., Nimick, D.A., and Meyer, J.S., 2006, Light-mediated Zn uptake in photosynthetic biofilm: Hydrobiologia, v. 571, p. 361-371.

Morris, J.M., and Meyer, J.S., 2006, Extracellular and intracellular uptake of zinc in a photosynthetic biofilm matrix: Bulletin of Environmental Contamination and Toxicology, v. 77, p. 30–35.

Shope, C.L., Xie, Ying, and Gammons, C.H., 2006, The influence of hydrous Mn-Zn oxides on diel cycling of Zn in an alkaline stream draining abandoned mine lands: Applied Geochemistry, v. 21, p. 476-491.

Wood, S.A, Gammons, C.H., and Parker, S.R., 2006, The behavior of rare earth elements in naturally and anthropogenically acidified waters: Journal of Alloys and Compounds, v. 418, p. 161-165.

Morris, J.M., Nimick, D.A., Farag, A.M, and Meyer, J.S., 2005, Does biofilm contribute to diel cycling of Zn in High Ore Creek, Montana?: Biogeochemistry, v. 76, p. 233-259.

Parker, S.R., Poulson, S.R., and Gammons, C.H., and DeGrandpre, M.D., 2005, Biogeochemical controls on diel cycling of stable isotopes of dissolved O2 and dissolved inorganic carbon in the Big Hole River, Montana: Environmental Science and Technology, v. 39, p. 7134-7140.

Chapin, T.P., and Wanty, R.B., 2005, Development of a solenoid pumped in situ zinc analyzer for environmental monitoring: Analytica Chimica Acta, v. 543, p. 199-208.

Gammons, C.H., Shope, C.L., and Duaime, T.E., 2005, A 24 h investigation of the hydrogeochemistry of baseflow and stormwater in an urban area impacted by mining: Butte, Montana: Hydrological Processes, v. 19, p. 2737-2753.

Gammons, C.H., S.A. Woods, and D.A. Nimick, 2005, Diel behavior of rare earth elements in a mountain stream with acidic to neutral pH: Geochimica Cosmochimica Acta, v. 69, p. 3747-3758.

Gammons, C.H., D.A. Nimick, S.R. Parker, T.E. Cleasby, and R.B. McCleskey, 2005, Diel behavior of iron and other trace metals in a mountain stream with acidic to neutral pH: Fisher Creek, Montana, USA: Geochimica Cosmochimica Acta, v. 69, p. 2505-2516.

Nimick, D.A., T.E. Cleasby, and R.B. McCleskey, 2005, Seasonality of diel cycles of dissolved metal concentrations in a Rocky Mountain stream: Environmental Geology, v. 47, no. 5, p. 603-614.

Lambing, J.H., Nimick, D.A., and Cleasby, T.E., 2004, Short-term variation of trace-element concentrations during base flow and rainfall runoff in small basins, August 1999, chap. D7 in Nimick, D.A., Church, S.E., and Finger, S.E., eds., Integrated investigation of environmental effects of historical mining in the Basin and Boulder mining districts, Boulder River watershed, Jefferson County, Montana:  U.S. Geological Survey Professional Paper 1652, p. 263-278.

Jones, C.A., Nimick, D.A., and McCleskey, R.B., 2004, Relative effect of temperature and pH on diel cycling of dissolved Zn and As in Prickly Pear Creek, Montana: Water, Air, and Soil Pollution, v. 153, p. 95-113.

Nimick, D.A., Gammons, C.H., Cleasby, T.E, Madison, J.P., Skaar, Don, and Brick, C.M., 2003, Diel cycles in dissolved metal concentrations in streams-Occurrence and possible causes: Water Resources Research, v. 39, no. 9, citation number 1247, doi:10.1029/2002WR001571.

Nimick, D.A., 2003, Diurnal variation in trace-metal concentrations in streams: U.S. Geological Survey Fact Sheet FS-086-03, 4 p.

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



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