selected publications
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chapter
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conference proceeding
- Geochemistry of rivers in Panama. 253-256. 2010
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Geochemistry of four tropical montane watersheds, Central Panama.
Applied Geochemistry.
624-640.
2007
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The chemical composition of runoff from Canada Glacier, Antarctica: implications for glacier hydrology during a cool summer.
Annals of Glaciology.
15-19.
2004
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The carbon isotopic composition of dissolved inorganic carbon in perennially ice-covered Antarctic lakes: searching for a biogenic signature.
Annals of Glaciology.
518-524.
2003
- Chemical weathering rates and reactions in the Lake Fryxell Basin, Taylor Valley: Comparison to temperate river basins. 147-154. 1996
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Determination of major element chemistry in terrestrial waters from Antarctica by ion chromatography.
Journal of Chromatography A.
257-263.
1995
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journal article
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McMurdo Dry Valley lake edge 'moats': the ecological intersection between terrestrial and aquatic polar desert habitats.
Antarctic Science.
2024
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Spatial Patterns of Major Ions and Their Relationship to Sediment Concentration in Near Surface Glacier Ice, Taylor Valley Antarctica.
Journal of Geophysical Research: Earth Surface.
2023
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Diatoms in Hyporheic Sediments Trace Organic Matter Retention and Processing in the McMurdo Dry Valleys, Antarctica.
Journal of Geophysical Research: Biogeosciences.
2021
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Geochemistry of contrasting stream types, Taylor Valley, Antarctica.
Geological Society of America Bulletin.
425-448.
2021
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Geochemistry of aeolian material from the McMurdo Dry Valleys, Antarctica: Insights into Southern Hemisphere dust sources.
Earth and Planetary Science Letters.
2020
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Nutrient Uptake in the Supraglacial Stream Network of an Antarctic Glacier.
Journal of Geophysical Research: Biogeosciences.
2020
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Chemical Weathering in Small Mountainous Rivers of Southern Italy and Northern Spain.
Aquatic Geochemistry.
269-291.
2020
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Validation of sampling antarctic subglacial hypersaline waters with an electrothermal ice melting probe (IceMole) for environmental analytical geochemistry.
International Journal of Environmental Analytical Chemistry.
2654-2667.
2019
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Microbial diversity of an Antarctic subglacial community and high-resolution replicate sampling inform hydrological connectivity in a polar desert.
Environmental Microbiology.
2290-2306.
2019
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The Geochemistry of Englacial Brine From Taylor Glacier, Antarctica.
Journal of Geophysical Research: Biogeosciences.
633-648.
2019
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Aeolian Material Transport and Its Role in Landscape Connectivity in the McMurdo Dry Valleys, Antarctica.
Journal of Geophysical Research: Earth Surface.
3323-3337.
2018
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Fe and Nutrients in Coastal Antarctic Streams: Implications for Primary Production in the Ross Sea.
Journal of Geophysical Research: Biogeosciences.
3507-3522.
2018
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Barium and barite dynamics in Antarctic streams.
Geology (Boulder).
811-814.
2018
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The impact of fossil fuel burning related to scientific activities in the McMurdo Dry Valleys, Antarctica: Revisited.
Elementa: Science of the Anthropocene.
2018
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Near-Surface Refractory Black Carbon Observations in the Atmosphere and Snow in the McMurdo Dry Valleys, Antarctica, and Potential Impacts of Foehn Winds.
Journal of Geophysical Research: Atmospheres.
2877-2887.
2018
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A temporal stable isotopic (δ; 18;
O ; , δ;D ; , d‐excess) comparison in glacier meltwater streams,;T ; aylor;V ; alley,;A ; ntarctica. Hydrological Processes. 3069-3083. 2017
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Ca isotopic geochemistry of an Antarctic aquatic system.
Geophysical Research Letters.
882-891.
2017
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Evidence for dispersal and habitat controls on pond diatom communities from the McMurdo Sound Region of Antarctica.
Polar Biology.
2441-2456.
2016
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Evidence for dispersal and habitat controls on pond diatom communities from the McMurdo Sound Region of Antarctica (vol 39, pg 2457, 2016).
Polar Biology.
2457-2458.
2016
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Source of Lake Vostok Cations Constrained with Strontium Isotopes.
Frontiers in Earth Science.
2016
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The Soil Geochemistry in the Beardmore Glacier Region, Antarctica: Implications for Terrestrial Ecosystem History.
Scientific Reports.
2016
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Stream biogeochemical and suspended sediment responses to permafrost degradation in stream banks in Taylor Valley, Antarctica.
Biogeosciences.
1723-1732.
2016
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Assessment of stream geochemistry in west central Nicaragua during baseflow conditions.
Applied Geochemistry.
519-526.
2015
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Antarctic streams as a potential source of iron for the Southern Ocean.
Geology (Boulder).
1003-1006.
2015
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Patterns and processes of salt efflorescences in the McMurdo region, Antarctica.
Arctic, Antarctic, and Alpine Research.
407-425.
2015
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Comparison of arsenic and molybdenum geochemistry in meromictic lakes of the McMurdo Dry Valleys, Antarctica: Implications for oxyanion-forming trace element behavior in permanently stratified lakes.
Chemical Geology.
110-125.
2015
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Pressure-driven, shoreline currents in a perennially ice-covered, pro-glacial lake in Antarctica, identified from a LiCl tracer injected into a pro-glacial stream.
Hydrological Processes.
2212-2231.
2015
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Experimental formation of pore fluids in McMurdo Dry Valleys soils.
Antarctic Science.
163-171.
2015
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Boron isotopic geochemistry of the McMurdo Dry Valley lakes, Antarctica.
Chemical Geology.
152-164.
2014
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Evaluating the influence of road salt on water quality of Ohio rivers over time.
Applied Geochemistry.
25-35.
2014
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The characterization and role of aeolian deposition on water quality, McMurdo Dry Valleys, Antarctica.
Aeolian Research.
7-17.
2014
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Water track modification of soil ecosystems in the Lake Hoare basin, Taylor Valley, Antarctica.
Antarctic Science.
153-162.
2014
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Do Cryoconite Holes Have the Potential to be Significant Sources of C, N, and P to Downstream Depauperate.
Arctic, Antarctic, and Alpine Research.
440-454.
2013
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Garwood Valley, Antarctica: A new record of Last Glacial Maximum to Holocene glaciofluvial processes in the McMurdo Dry Valleys.
Geological Society of America Bulletin.
1484-1502.
2013
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Strontium Isotopic Signatures of Streams from Taylor Valley, Antarctica, Revisited: The Role of Carbonate Mineral Dissolution.
Aquatic Geochemistry.
231-240.
2013
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The carbon stable isotope biogeochemistry of streams, Taylor Valley, Antarctica.
Applied Geochemistry.
26-36.
2013
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Geochemistry of streams from Byers Peninsula, Livingston Island.
Antarctic Science.
181-190.
2013
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The geochemistry of upland ponds, Taylor Valley, Antarctica.
Antarctic Science.
3-14.
2012
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Silicate weathering and CO2 consumption within agricultural landscapes, the Ohio-Tennessee River Basin, USA.
Biogeosciences.
941-955.
2012
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Water tracks and permafrost in Taylor Valley, Antarctica: Extensive and shallow groundwater connectivity in a cold desert ecosystem.
Geological Society of America Bulletin.
2295-2311.
2011
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Spatial variations in the geochemistry of glacial meltwater streams in the Taylor Valley, Antarctica.
Antarctic Science.
662-672.
2010
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Trace element and major ion concentrations and dynamics in glacier snow and melt: Eliot Glacier, Oregon Cascades.
Hydrological Processes.
2987-2996.
2009
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Composition and Biodegradation of a Synthetic Oil Spilled on the Perennial Ice Cover of Lake Fryxell, Antarctica.
Environmental Science and Technology (Washington).
2708-2713.
2009
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SPME-GCMS study of the natural attenuation of aviation diesel spilled on the perennial ice cover of Lake Fryxell, Antarctica.
Science of the Total Environment.
250-262.
2008
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Persistent effects of a discrete warming event on a polar desert ecosystem.
Global Change Biology.
2249-2261.
2008
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Biogeochemical evolution of cryoconite holes on Canada Glacier, Taylor Valley, Antarctica.
Journal of Geophysical Research: Biogeosciences.
2007
-
Organic carbon in Antarctic snow.
Geophysical Research Letters.
2007
-
The aeolian flux of calcium, chloride and nitrate to the McMurdo Dry Valleys landscape: evidence from snow pit analysis.
Antarctic Science.
497-505.
2006
-
Limnological conditions in Subglacial Lake Vostok, Antarctica.
Limnology and Oceanography.
2485-2501.
2006
-
Mercury geochemistry of the Scioto River, Ohio: Impact of agriculture and urbanization.
Applied Geochemistry.
1880-1888.
2006
-
The geochemistry of supraglacial streams of Canada Glacier, Taylor Valley (Antarctica), and their evolution into proglacial waters.
Aquatic Geochemistry.
391-412.
2005
-
Halogen geochemistry of the McMurdo dry valleys lakes, Antarctica: Clues to the origin of solutes and lake evolution.
Geochimica et Cosmochimica Acta.
305-323.
2005
-
The helium isotopic chemistry of Lake Bonney, Taylor Valley, Antarctica: Timing of Late Holocene climate change in Antarctica.
Aquatic Geochemistry.
353-371.
2004
-
Extreme hydrochemical conditions in natural microcosms entombed within Antarctic ice.
Hydrological Processes.
379-387.
2004
-
Strontium isotopes and rare earth elements as tracers of groundwater-lake water interactions, Lake Naivasha, Kenya.
Applied Geochemistry.
1789-1805.
2003
-
Surface glaciochemistry of Taylor Valley, southern Victoria Land, Antarctica and its relationship to stream chemistry.
Hydrological Processes.
115-130.
2003
-
The biogeochemistry of Si in the McMurdo Dry Valley lakes, Antarctica.
International Journal of Astrobiology.
401-413.
2002
-
Strontium isotopic signatures of the streams and lakes of Taylor Valley, southern Victoria Land, Antarctica: Chemical weathering in a polar climate.
Aquatic Geochemistry.
75-95.
2002
-
Chemical weathering in streams of a polar desert (Taylor Valley, Antarctica).
Geological Society of America Bulletin.
1401-1408.
2001
-
The Mcmurdo Dry Valleys Long‐Term Ecological Rsearch Program: New understanding of the biogeochemistry of the Dry Valley Lakes: A review1.
Polar Geography.
202-217.
2001
-
A preliminary assessment of the geochemical dynamics of Issyk-Kul Lake, Kirghizstan.
Limnology and Oceanography.
713-718.
2001
-
Fossil fuel burning in Taylor Valley, southern Victoria Land, Antarctica: Estimating the role of scientific activities on carbon and nitrogen reservoirs and fluxes.
Environmental Science and Technology (Washington).
1659-1662.
2000
-
Importance of landscape position and legacy: the evolution of the lakes in Taylor Valley, Antarctica.
Freshwater Biology.
355-367.
2000
-
Oxyanion concentrations in eastern Sierra Nevada rivers - 3. Boron, molybdenum, vanadium, and tungsten.
Aquatic Geochemistry.
19-46.
2000
-
Geomicrobiology of subglacial ice above Lake Vostok, Antarctica.
Science.
2141-2144.
1999
-
Mercury in aquatic systems in Antarctica.
Geophysical Research Letters.
2235-2238.
1999
-
Chlorine-36 in the waters of the McMurdo Dry Valley lakes, southern Victoria Land, Antarctica: Revisited.
Geochimica et Cosmochimica Acta.
185-191.
1998
- Lithium in waters of a polar desert. Geochimica et Cosmochimica Acta. 4309-4319. 1997
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The measurement of reactive silicate in saline-hypersaline lakes: Examples of the problem.
International Journal of Salt Lake Research.
17-23.
1997
-
Mercury concentrations in waters of Lake Naivasha watershed, Kenya.
Geophysical Research Letters.
1581-1584.
1996
-
METHANESULFONIC-ACID IN COASTAL ANTARCTIC SNOW RELATED TO SEA-ICE EXTENT.
Geophysical Research Letters.
443-446.
1993
-
McMurdo Dry Valley lake edge 'moats': the ecological intersection between terrestrial and aquatic polar desert habitats.
Antarctic Science.
2024