Diane McKnight

Name:

Diane McKnight

Title:

Professor

Role:

Principal Investigator

Organization:

University of Colorado

Email:

ORCID:

Research Team:

Streams

Publication List:

Bishop J, Kopalová K, Darling JP, Schulte NO, Kohler TJ, McMinn A, et al.. Sabbea gen. nov., a new diatom genus (Bacillariophyta) from continental Antarctica. Phytotaxa [Internet]. 2019;418(1). https://www.mapress.com/j/pt/article/view/phytotaxa.418.1.2

Wlostowski A, Schulte NO, Adams B, Ball B, Esposito RMM, Gooseff MN, et al.. The hydroecology of an ephemeral wetland in the McMurdo Dry Valleys, Antarctica. Journal of Geophysical Research: Biogeosciences [Internet]. 2019;. https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2019JG005153

Khan AL, McMeeking G, Schwarz JP, Xian P, Welch KA, W Lyons B, et al.. 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 [Internet]. 2018;123(5):2877 - 2887. http://doi.wiley.com/10.1002/2017JD027696

Dornelas M, Antão LH, Moyes F, Bates AE, Magurran AE, Adam D, et al.. BioTIME: A database of biodiversity time series for the Anthropocene. Global Ecology and Biogeography [Internet]. 2018;27(7):760-786. https://onlinelibrary.wiley.com/doi/abs/10.1111/geb.12729

Diaz MA, Adams B, Welch KA, Welch S, Opiyo SO, Khan AL, et al.. Aeolian material transport and its role in landscape connectivity in the McMurdo Dry Valleys, Antarctica. Journal of Geophysical Research: Earth Surface [Internet]. 2018;123(12):3323 - 3337. https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2017JF004589

Kohler TJ, Stanish LF, Liptzin D, Barrett JE, McKnight DM. Catch and release: Hyporheic retention and mineralization of N-fixing Nostoc sustains downstream microbial mat biomass in two polar desert streams. Limnology and Oceanography Letters [Internet]. 2018;3(4):357 - 364. https://aslopubs.onlinelibrary.wiley.com/doi/abs/10.1002/lol2.10087

Andriuzzi WS, Stanish LF, Simmons BL, Jaros C, Adams B, Wall DH, et al.. Spatial and temporal patterns of microbial mats and associated invertebrates along an Antarctic stream. Polar Biology [Internet]. 2018;41(10):1911–1921. http://link.springer.com/10.1007/s00300-018-2331-4

Wlostowski A, Gooseff MN, McKnight DM, W Lyons B. Transit times and rapid chemical equilibrium explain chemostasis in glacial meltwater streams in the McMurdo Dry Valleys, Antarctica. Geophysical Research Letters [Internet]. 2018;45(24):13322 - 13331. https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2018GL080369

Mass AQ, McKnight DM. Biogeochemistry, contaminant transport, and atmospheric exchange in glacial cryoconite meltwater of the McMurdo Dry Valleys, Antarctica [Internet]. Department of Civil, Environmental, and Architectural Engineering. [Boulder, CO]: University of Colorado; 2018. p. 245. https://search.proquest.com/docview/2048314678

Kociolek JP, Kopalova K, Hamsher SE, Kohler TJ, Van de Vijver B, Convey P, et al.. Freshwater diatom biogeography and the genus Luticola: an extreme case of endemism in Antarctica. Polar Biology [Internet]. 2017;40(6):1185-1196. https://link.springer.com/article/10.1007/s00300-017-2090-7

Gooseff MN, Wlostowski A, McKnight DM, Jaros C. Hydrologic connectivity and implications for ecosystem processes - Lessons from naked watersheds. Geomorphology [Internet]. 2017;277:63 - 71. http://linkinghub.elsevier.com/retrieve/pii/S0169555X16302483

Gooseff MN, Barrett JE, Adams B, Doran PT, Fountain AG, W Lyons B, et al.. Decadal ecosystem response to an anomalous melt season in a polar desert in Antarctica. Nature Ecology & Evolution [Internet]. 2017;1(9):1334-1338. https://www.nature.com/articles/s41559-017-0253-0

Darling JP, Garland DD, Stanish LF, Esposito RMM, Sokol ER, McKnight DM. Thermal autecology describes the occurrence patterns of four benthic diatoms in McMurdo Dry Valley streams. Polar Biology [Internet]. 2017;40(12):2381-2396. https://link.springer.com/article/10.1007/s00300-017-2151-y

Khan AL, Wagner S, Jaffé R, Xian P, Williams M, Armstrong R, et al.. Dissolved black carbon in the global cryosphere: Concentrations and chemical signatures. Geophysical Research Letters [Internet]. 2017;44(12):6226-6234. http://doi.wiley.com/10.1002/2017GL073485

Kohler TJ, Van Horn DJ, Darling JP, Takacs-Vesbach C, McKnight DM. Nutrient treatments alter microbial mat colonization in two glacial meltwater streams from the McMurdo Dry Valleys, Antarctica. Wagner D. FEMS Microbiology Ecology [Internet]. 2016;92(4):fiw049. http://femsec.oxfordjournals.org/lookup/doi/10.1093/femsec/fiw049

Wlostowski A, Gooseff MN, McKnight DM, Jaros C, W Lyons B. Patterns of hydrologic connectivity in the McMurdo dry valleys, Antarctica: a synthesis of 20 years of hydrologic data. Hydrological Processes [Internet]. 2016;30(17):2958-2975. http://onlinelibrary.wiley.com/doi/10.1002/hyp.10818

Van Horn DJ, Wolf CR, Colman DR, Jiang X, Kohler TJ, McKnight DM, et al.. Patterns of bacterial biodiversity in the glacial meltwater streams of the McMurdo Dry Valleys, Antarctica. FEMS Microbiology Ecology [Internet]. 2016;92(10):fiw148. http://femsec.oxfordjournals.org/lookup/doi/10.1093/femsec/fiw148

Sakaeva A, Sokol ER, Kohler TJ, Stanish LF, Spaulding SA, Howkins A, et al.. Evidence for dispersal and habitat controls on pond diatom communities from the McMurdo Sound Region of Antarctica. Polar Biology [Internet]. 2016;. http://link.springer.com/10.1007/s00300-016-1901-6http://link.springer.com/content/pdf/10.1007/s00300-016-1901-6http://link.springer.com/content/pdf/10.1007/s00300-016-1901-6.pdfhttp://link.springer.com/article/10.1007/s00300-016-1901-6/fulltext.html

Herbei R, Rytel AL, W Lyons B, McKnight DM, Jaros C, Gooseff MN, et al.. Hydrological Controls on Ecosystem Dynamics in Lake Fryxell, Antarctica. Hewitt J. PLOS ONE [Internet]. 2016;11(7):e0159038. http://dx.plos.org/10.1371/journal.pone.0159038

Khan AL, Jaffé R, Ding Y, McKnight DM. Dissolved black carbon in Antarctic lakes: chemical signatures of past and present sources. Geophysical Research Letters [Internet]. 2016;. http://doi.wiley.com/10.1002/2016GL068609

Gooseff MN, Van Horn DJ, Sudman Z, McKnight DM, Welch KA, W Lyons B. Stream biogeochemical and suspended sediment responses to permafrost degradation in stream banks in Taylor Valley, Antarctica. Biogeosciences [Internet]. 2016;13(6):1723 - 1732. http://www.biogeosciences.net/13/1723/2016/bg-13-1723-2016.pdf

Khan AL, McKnight DM. Quantifying sources, distribution, and processing of light absorbing aerosols in the cryosphere: A comparison of dissolved and refractory black carbon in polar and high mountain regions [Internet]. Department of Civil and Environmental Engineering. [Boulder, CO]: University of Colorado; 2016. https://search.proquest.com/docview/1834518541?accountid=14503

W Lyons B, Dailey KR, Welch KA, Deuerling KM, Welch S, McKnight DM. Antarctic streams as a potential source of iron for the Southern Ocean: Figure 1. Geology [Internet]. 2015;43(11):1003 - 1006. http://geology.gsapubs.org/lookup/doi/10.1130/G36989.1http://geology.geoscienceworld.org/lookup/doi/10.1130/G36989.1

Kohler TJ, Stanish LF, Crisp S, Koch J, Liptzin D, Baeseman J, et al.. Long-Term Hydrologic Control of Microbial Mat Abundance in McMurdo Dry Valley Streams, Antarctica. Ecosystems [Internet]. 2015;18(2):310-327. http://link.springer.com/article/10.1007%2Fs10021-014-9829-6

Kohler TJ, Chatfield E, Gooseff MN, Barrett JE, McKnight DM. Recovery of Antarctic stream epilithon from simulated scouring events. Antarctic Science [Internet]. 2015;27(04):341 - 354. http://www.journals.cambridge.org/abstract_S0954102015000024

Castendyk D, McKnight DM, Welch KA, Niebuhr S, Jaros C. 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 [Internet]. 2015;29(9):2212 - 2231. http://doi.wiley.com/10.1002/hyp.v29.9http://doi.wiley.com/10.1002/hyp.10352

McKnight DM, Cozzetto K, Cullis JDS, Gooseff MN, Jaros C, Koch J, et al.. Potential for real-time understanding of coupled hydrologic and biogeochemical processes in stream ecosystems: Future integration of telemetered data with process models for glacial meltwater streams. Water Resources Research [Internet]. 2015;51(8):6725 - 6738. http://doi.wiley.com/10.1002/2015WR017618http://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2F2015WR017618

Kohler TJ. Physical and chemical controls on the abundance and composition of stream microbial mats from the McMurdo Dry Valleys, Antarctica [Internet]. McKnight DM. Environmental Studies. [Boulder, CO]: University of Colorado; 2015. p. 272. https://search.proquest.com/docview/1690497718?accountid=14503

Crisp SW. Quantifying long-term geomorphology of Antarctic streams [Internet]. McKnight DM. Department of Civil, Environmental, and Architectural Engineering. [Boulder, CO]: University of Colorado; 2015. p. 185. https://search.proquest.com/docview/1727444346?accountid=14503

Cullis JDS, Stanish LF, McKnight DM. Diel flow pulses drive particulate organic matter transport from microbial mats in a glacial meltwater stream in the McMurdo Dry Valleys. Water Resources Research. 2014;50(1):86-97.

Sakaeva A. Ecology and biogeography of freshwater diatoms in ponds of McMurdo Dry Valleys and parts of the Ross Island [Internet]. McKnight DM. Environmental Studies Program. [Boulder, CO]: University of Colorado; 2014. https://search.proquest.com/docview/1655818365?accountid=14503

Cozzetto K, Bencala KE, Gooseff MN, McKnight DM. The influence of stream thermal regimes and preferential flow paths on hyporheic exchange in a glacial meltwater stream. Water Resources Research [Internet]. 2013;49(9):5552 - 5569. http://onlinelibrary.wiley.com/doi/10.1002/wrcr.20410/pdf

Dieser M, Foreman CM, Jaros C, Lisle JT, Greenwood MC, Laybourn-Parry J, et al.. Physicochemical and biological dynamics in a coastal Antarctic lake as it transitions from frozen to open water. Antarctic Science. 2013;25(5):663–675.

Stanish LF, Bagshaw E, McKnight DM, Fountain AG, Tranter M. Environmental factors influencing diatom communities in Antarctic cryoconite holes. Environmental Research Letters [Internet]. 2013;8(4):045006. http://iopscience.iop.org/1748-9326/8/4/045006/pdf/1748-9326_8_4_045006.pdf

D’Andrilli J, Foreman CM, Marshall AG, McKnight DM. Characterization of IHSS Pony Lake fulvic acid dissolved organic matter by electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry and fluorescence spectroscopy. Organic Geochemistry [Internet]. 2013;65:19 - 28. http://www.sciencedirect.com/science/article/pii/S0146638013002167

W Lyons B, Leslie DL, Harmon RS, Neumann K, Welch KA, Bisson KM, et al.. The carbon stable isotope biogeochemistry of streams, Taylor Valley, Antarctica. Applied Geochemistry. 2013;32:26 - 36.

Cawley KM, McKnight DM, Miller PL, Cory RM, Fimmen RL, Guerard J, et al.. Characterization of fulvic acid fractions of dissolved organic matter during ice-out in a hyper-eutrophic, coastal pond in Antarctica. Environmental Research Letters. 2013;8(4):045015.

Foreman CM, Cory RM, Morris CE, SanClements MD, Smith HJ, Lisle JT, et al.. Microbial growth under humic-free conditions in a supraglacial stream system on the Cotton Glacier, Antarctica. Environmental Research Letters [Internet]. 2013;8(3):035022. http://iopscience.iop.org/1748-9326/8/3/035022

Nielsen UN, Wall DH, Adams B, Virginia RA, Ball B, Gooseff MN, et al.. The ecology of pulse events: insights from an extreme climatic event in a polar desert ecosystem. Ecosphere [Internet]. 2012;3(2):art17. http://www.esajournals.org/doi/abs/10.1890/ES11-00325.1

Stanish LF, Kohler TJ, Esposito RMM, Simmons BL, Nielsen UN, Wall DH, et al.. Extreme streams: flow intermittency as a control on diatom communities in meltwater streams in the McMurdo Dry Valleys, Antarctica. Canadian Journal of Fisheries and Aquatic Sciences [Internet]. 2012;69(8):1405 - 1419. http://www.nrcresearchpress.com/doi/abs/10.1139/f2012-022#.UH2NlWcnq9g

Stanish LF, O'Neill SP, Gonzalez A, Legg TM, Knelman J, McKnight DM, et al.. Bacteria and diatom co-occurrence patterns in microbial mats from polar desert streams. Environmental Microbiology [Internet]. 2012;. http://onlinelibrary.wiley.com/doi/10.1111/j.1462-2920.2012.02872.x/abstract

Murray AE, Kenig F, Fritsen CH, McKay CP, Cawley KM, Edwards RL, et al.. Microbial life at -13 C in the brine of an ice-sealed Antarctic lake. Proceedings of the National Academy of Sciences [Internet]. 2012;109(50):20626 - 20631. http://www.pnas.org/cgi/doi/10.1073/pnas.1208607109

Cory RM, Boyer EW, McKnight DM. Spectral Methods to Advance Understanding of Dissolved Organic Carbon Dynamics in Forested Catchments [Internet]. Levia DF, Carlyle-Moses D, Tanaka T. Ecological StudiesForest Hydrology and Biogeochemistry. Dordrecht: Springer Netherlands; 2011. pp. 117 - 135. http://www.springerlink.com/content/lv9365ml54192m29/

Foreman CM, Dieser M, Greenwood M, Cory RM, Laybourn-Parry J, Lisle JT, et al.. When a habitat freezes solid: microorganisms over-winter within the ice column of a coastal Antarctic lake. FEMS Microbiology Ecology [Internet]. 2011;76(3):401 - 412. http://onlinelibrary.wiley.com/doi/10.1111/j.1574-6941.2011.01061.x/full

Gooseff MN, McKnight DM, Doran PT, Fountain AG, W Lyons B. Hydrological Connectivity of the Landscape of the McMurdo Dry Valleys, Antarctica. Geography Compass [Internet]. 2011;5(9):666 - 681. http://onlinelibrary.wiley.com/doi/10.1111/j.1749-8198.2011.00445.x

Stanish LF, Nemergut DR, McKnight DM. Hydrologic processes influence diatom community composition in Dry Valley streams. Journal of the North American Benthological Society [Internet]. 2011;30(4):1057-1073. http://www.jnabs.org/doi/abs/10.1899/11-008.1

Fang X, Mao J, Cory RM, McKnight DM, Schmidt-Rohr K. 15N and 13C{14N} NMR investigation of the major nitrogen-containing segment in an aquatic fulvic acid: Evidence for a hydantoin derivative. Magnetic Resonance in Chemistry. 2011;49(12):775 - 780.

Koch J, McKnight DM, Neupauer RM. Simulating unsteady flow, anabranching, and hyporheic dynamics in a glacial meltwater stream using a coupled surface water routing and groundwater flow model. Water Resources Research. 2011;47(5).

Stanish LF. Ecological controls on stream diatom communities in the McMurdo Dry Valleys, Antarctica [Internet]. McKnight DM. Environmental Studies. [Boulder, CO]: University of Colorado; 2011. https://search.proquest.com/docview/915694114?accountid=14503

Cullis JDS. Removal of benthic algae in swift-flowing streams: The significance of spatial and temporal variation in shear stress and bed disturbance [Internet]. McKnight DM. Department of Civil, Environmental and Architectural Engineering. [Boulder, CO]: University of Colorado; 2011. p. 263. https://search.proquest.com/docview/916604693?accountid=14503

Doran PT, W Lyons B, McKnight DM. Life in Antarctic Deserts and Other Cold Environments [Internet]. McKnight DM, Gooseff MN, Takacs-Vesbach C, Mikucki JA, Tranter M, Sun HJ. Astrobiological Analogs. Cambridge: Cambridge University Press.; 2010. p. 307. http://ebooks.cambridge.org/ebook.jsf?bid=CBO9780511712258

Doran PT, W Lyons B, McKnight DM. Life in Antarctic Deserts and Other Cold Environments [Internet]. McKnight DM, Gooseff MN, Takacs-Vesbach C, Mikucki JA, Tranter M, Sun HJ. Astrobiological Analogs. Cambridge: Cambridge University Press.; 2010. p. 307. http://ebooks.cambridge.org/ebook.jsf?bid=CBO9780511712258

Spaulding SA, Van de Vijver B, Hodgson D, McKnight DM, Verleyen E, Stanish LF. Diatoms as indicators of environmental change in Antarctic and subantarctic freshwaters. In The Diatoms Applications for the Environmental and Earth Sciences [Internet]. 2nd ed. Cambridge University Press; 2010. http://www.cambridge.org/us/academic/subjects/life-sciences/plant-science/diatoms-applications-environmental-and-earth-sciences-2nd-edition

Gooseff MN, McKnight DM, Carr MH, Baeseman J. Antarctic McMurdo Dry Valley stream ecosystems as analog to fluvial systems on Mars. In: Doran PT, W Lyons B, McKnight DM. Life in Antarctic Deserts and other Cold Dry Environments. Cambridge: Cambridge University Press; 2010. pp. 139 - 159.

Gooseff MN, McKnight DM, Carr MH, Baeseman J. Antarctic McMurdo Dry Valley stream ecosystems as analog to fluvial systems on Mars. In: Doran PT, W Lyons B, McKnight DM. Life in Antarctic Deserts and other Cold Dry Environments. Cambridge: Cambridge University Press; 2010. pp. 139 - 159.

Herbei R, W Lyons B, Laybourn-Parry J, Gardner CB, Priscu JC, McKnight DM. Physiochemical properties influencing biomass abundance and primary production in Lake Hoare, Antarctica. Ecological Modelling. 2010;.

Cory RM, Miller MP, McKnight DM, Guerard J, Miller PL. Effect of instrument-specific response on the analysis of fulvic acid fluorescence spectra. Limnology and Oceanography: Methods [Internet]. 2010;8:67-78. http://www.aslo.org/lomethods/free/2010/0067.html

Welch KA, W Lyons B, Whisner C, Gardner CB, Gooseff MN, McKnight DM, et al.. Spatial variations in the geochemistry of glacial meltwater streams in the Taylor Valley, Antarctica. Antarctic Science [Internet]. 2010;22(06):662 - 672. http://www.montana.edu/lkbonney/DOCS/Publications/WelchEtAl2010Geochemistry.pdf

Cawley K. Microbial interactions with dissolved organic matter in saline natural waters. University of Colorado; 2010.

Koch J, McKnight DM. Hydrologic and biogeochemical implications of flooding in two catchments underlain by continuous permafrost [Internet]. Department of Environmental Studies. [Boulder, CO]: University of Colorado; 2010. p. 206. https://search.proquest.com/docview/839008865

Tranvik LJ, Downing JA, Cotner JB, Loiselle SA, Striegl RG, Ballatore TJ, et al.. Lakes and reservoirs as regulators of carbon cycling and climate. Limnology and Oceanography [Internet]. 2009;54 part 2(6):2298–2314. http://aslo.org/lo/toc/vol_54/issue_6_part_2/2298.pdf

Cozzetto K, McKnight DM. Controls on stream and hyporheic temperatures, Taylor Valley, Antarctica and large-scale climate influences on interannual flow variation in the Onyx River, Antarctica [Internet]. Department of Civil Engineering. [Boulder, CO]: University of Colorado; 2009. p. 317. https://search.proquest.com/docview/304866366

McKnight DM, Gooseff MN, Vincent WF, Peterson B. High-latitude rivers and streams. In: Vincent WF, Laybourn-Parry J. Polar Lakes and Rivers: Limnology of Arctic and Antarctic Aquatic Ecosystems. Oxford: Oxford University Press; 2008.

Esposito RMM, Spaulding SA, McKnight DM, De Vijver B, Kopalova K, Lubinski D, et al.. Inland diatoms from the McMurdo Dry Valleys and James Ross Island, Antarctica. Botany-Botanique. 2008;12:1378-1392.

Doran PT, McKay CP, Fountain AG, Nylen TH, McKnight DM, Jaros C, et al.. Hydrologic response to extreme warm and cold summers in the McMurdo Dry Valleys, East Antarctica. Antarctic Science. 2008;20:499-509.

Gooseff MN, McKnight DM, Doran PT, W Lyons B. Trends in discharge and flow season timing of the Onyx River, Wright Valley, Antarctica since 1969. Cooper A, Raymond C, Team ISAESEditorial. Antarctica; A keystone in a changing world--online proceedings for the tenth international symposium. U.S. Geological Survey Open-File Report 2007-1047; 2007.

Barrett JE, Virginia RA, W Lyons B, McKnight DM, Priscu JC, Fountain AG, et al.. Biogeochemical stoichiometry of Antarctic Dry Valley ecosystems. Journal of Geophysical Research. 2007;112:G01010+12.

McKnight DM, Tate CM, Andrews ED, Niyogi DK, Cozzetto K, Welch KA, et al.. Reactivation of a cryptobiotic stream ecosystem in the McMurdo Dry Valleys, Antarctica: A long-term geomorphological experiment. Geomorphology. 2007;89(1-2):186-204.

McKnight DM. The Lost Seal. Lafayette: Moonlight Publishing LLC; 2006. p. 40.

Conovitz PA, MacDonald LH, McKnight DM. Spatial and temporal active layer dynamics along three glacial meltwater streams in the McMurdo Dry Valleys, Antarctica. Arctic Antarctic and Alpine Research. 2006;38(1):42-53.

Cozzetto K, McKnight DM, Nylen TH, Fountain AG. Experimental investigations into processes controlling stream and hyporheic temperatures, Fryxell Basin, Antarctica. Advances in Water Resources. 2006;29(2):130-153.

Gooseff MN, W Lyons B, McKnight DM, Vaughn BH, Fountain AG, Dowling C. A stable isotopic investigation of a polar desert hydrologic system, McMurdo Dry Valleys, Antarctica. Arctic, Antarctic, and Alpine Research. 2006;38(1):60-71.

Esposito RMM, Horn S, McKnight DM, Cox M, Grant M, Spaulding SA, et al.. Antarctic Climate Cooling and Response of Diatoms in Glacial Meltwater Streams. Geophysical Research Letters. 2006;33:L07406.

Doran PT, Clow GD, Fritsen CH, McKay CP, Parsons AN, Priscu JC, et al.. Comment on ``El Niño suppresses Antarctic warming'' by N. Bertler et al. Geophysical Research Letters. 2005;32(7):L07706.

Gooseff MN, Bencala KE, Scott DT, Runkel RL, McKnight DM. Sensitivity analysis of conservative and reactive stream transient storage models applied to field data from multiple-reach experiments. Advances in Water Resources. 2005;28(5):479-492.

McKnight DM, Runkel RL, Duff JH, Tate CM, Moorhead DL. Inorganic nitrogen and phosphorus dynamics of Antarctic glacial meltwater streams as controlled by hyporheic exchange and benthic autotrophic communities. Journal of the North American Benthological Society. 2004;23:171-188.

Fulton J, McKnight DM, Foreman CM, Cory RM, Stedmon C, Blunt E. Changes in fulvic acid redox state through the oxycline of a permanently ice-covered Antarctic lake. Aquatic Sciences. 2004;66:1-20.

Gooseff MN, McKnight DM, Runkel RL, Duff JH. Denitrification and hydrologic transient storage in a glacial meltwater stream, McMurdo Dry Valleys, Antarctica. Limnology and Oceanography. 2004;49(5):1884-1895.

Gooseff MN, McKnight DM, Runkel RL. Reach-scale cation exchange controls on major ion chemistry of an Antarctic glacial meltwater stream. Special issue of Aquatic Geochemistry on the McMurdo Dry Valleys. 2004;10(3):221-238.

Welch KA, Neumann K, W Lyons B, McKnight DM. Chemistry and lake dynamics of the Taylor Valley lakes, Antarctica: The importance of long-term monitoring. In: Howard-Williams C, Davidson W, Broady P. Antarctic Ecosystems: Models for Wider Ecological Understanding. Caxton Press; 2003.

W Lyons B, Welch KA, Fountain AG, Dana GL, Vaughn BH, McKnight DM. Surface glaciochemistry of Taylor Valley, southern Victoria Land, Antarctica and its relationship to stream chemistry. Hydrological Processes. 2003;17:115-130.

Gooseff MN, McKnight DM, Runkel RL, Vaughn BH. Determining long time-scale hyporheic zone flow paths in Antarctic streams. Hydrological Processes. 2003;17:1691-1710.

Pugh H, Welch KA, W Lyons B, Priscu JC, McKnight DM. Biochemistry of Si in the McMurdo Dry Valley lakes, Antarctica. The International Journal of Astrobiology. 2003;1:737-749.

Walsh JE, Clow GD, Fritsen CH, McKay CP, Parsons AN, Doran PT, et al.. Recent Temperature Trends in the Antarctic. Nature. 2002;418:291-292.

Maurice P, McKnight DM, Leff L, Fulghun J, Gooseff MN. Direct observation of aluminosilicate weathering in the hyporheic zone of an Antarctic Dry Valley stream. Geochimica et Cosmochimica Acta. 2002;66:1335-1347.

Doran PT, Priscu JC, W Lyons B, Walsh JE, Fountain AG, McKnight DM, et al.. Antarctic climate cooling and terrestrial ecosystem response. Nature. 2002;415(6871):517-520.

Gooseff MN, McKnight DM, W Lyons B, Blum A. Weathering reactions and hyporheic exchange controls on stream water chemistry in a glacial meltwater stream in the McMurdo Dry Valleys. Water Resources Research [Internet]. 2002;38(12):1279-1296. http://www.agu.org/pubs/crossref/2002/2001WR000834.shtml

Jaros C. Climatic controls on interannual variation in streamflow in Fryxell Basin, Taylor Valley. University of Colorado; 2002.

Van Matre E. Interannual variation in phytoplankton dynamics in Lake Fryxell. University of Colorado; 2002.

McKnight DM, Boyer EW, Westerhoff PK, Doran PT, Kulbe T, Andersen DT. Spectrofluorometric characterization of aquatic fulvic acid for determination of precursor organic material and general structural properties. Limnology and Oceanography. 2001;46:38-48.

Bomblies A, McKnight DM, Andrews ED. Retrospective simulation of lake level rise in Lake Bonney based on recent 21-year record: indication of recent climate change in the McMurdo Dry Valleys, Antarctica. Journal of Paleolimnology. 2001;25:477-492.

W Lyons B, Welch KA, Priscu JC, Laybourn-Parry J, Moorhead DL, McKnight DM, et al.. The McMurdo Dry Valleys Long-Term Ecological Research Program: new understanding of the biogeochemistry of the Dry Valley lakes: a review. Polar Geography. 2001;25:202-217.

Takacs-Vesbach C, Priscu JC, McKnight DM. Bacterial dissolved organic carbon demand in antarctic dry valley lakes. Limnology and Oceanography [Internet]. 2001;46(7):1189-1194. http://www.jstor.org/stable/2671031

Gooseff MN. Modeling hyporheic exchange influences on biogeochemical processes in dry valley streams, Antarctica. Institute of Arctic and Alpine Research. University of Colorado; 2001.

Chatfield E. Regrowth of cyanobacterial mats in Greek Creek and the impact of ecotourism. University of Colorado; 2001.

Brown A. The influence of mixotroph growth on DOM chemistry in Pony Lake, a eutrophic coastal pond in Antarctica. University of Colorado; 2001.

Welch KA, W Lyons B, McKnight DM, Jaros C, Fountain AG, Nylen TH, et al.. Climate and hydrologic variations and implications for lake and stream ecological response in the McMurdo Dry Valleys, Antarctica. In: Greenland D, Goodin DG, Smith RC. Climate Variability and Ecosystem Response at Long Term Ecological Research Sites. Oxford University Press; 2000. pp. 174-195.

McKnight DM, Howes BL, Taylor CD, Goehringer DD. Phytoplankton dynamics in a stably stratified Antarctic lake during winter darkness. Journal of Phycology. 2000;36(5):852-861.

Roberts EC, Laybourn-Parry J, McKnight DM, Novarino G. Stratification and dynamics of microbial loop communities in Lake Fryxell, Antarctica. Freshwater Biology [Internet]. 2000;44(4):649-661. http://onlinelibrary.wiley.com/doi/10.1046/j.1365-2427.2000.00612.x/abstract

Conovitz PA. Active layer dynamics and hyporheic zone storage in three streams in the McMurdo Dy Valleys, Antarctica. University of Colorado; 2000.

McKnight DM, Niyogi DK, Alger AS, Bomblies A, Conovitz PA, Tate CM. Dry Valley streams in Antarctica: ecosystems waiting for water. Bioscience. 1999;49(12):985-995.

Fountain AG, W Lyons B, Burkins MB, Dana GL, Doran PT, Lewis KJ, et al.. Physical controls on the Taylor Valley Ecosystem, Antarctica. BioScience. 1999;49(12):961-972.

Fountain AG, Dana GL, Lewis KJ, Vaughn BH, McKnight DM. Glaciers of the McMurdo Dry Valleys, Southern Victoria Land, Antarctica. In Ecosystem Processes in a Polar Desert: The McMurdo Dry Valleys, Antarctica. 1998. pp. 65-75.

W Lyons B, Welch KA, Neumann K, Toxey JK, McArthur R, Williams C, et al.. Geochemical Linkages Among Glaciers, Streams, and Lakes Within the Taylor Valley, Antarctica. In Ecosystem Processes in a Polar Desert: The McMurdo Dry Valleys, Antarctica. 1998. pp. 77-92.

Conovitz PA, McKnight DM, MacDonald LH, Fountain AG. Hydrologic Processes Influencing Streamflow Variation in Fryxell Basin, Antarctica. In: House HR. Ecosystem Processes in a Polar Desert: The McMurdo Dry Valleys, Antarctica. 1998. pp. 93-108.

Vandal GM, Mason RP, McKnight DM, Fitzgerald W. Mercury speciation and distribution in a polar desert lake (Lake Hoare, Antarctica) and two glacial meltwater streams. Science of the Total Environment. 1998;213(1-3):229-237.

Moorhead DL, McKnight DM. McMurdo Dry Valleys LTER: Stream discharge as a function of ambient temperature and incoming shortwave radiation in Taylor Valley, Antarctica. Antarctic Journal of the United States - 1996 Review Issue (NSF 98-28). 1998;31(2):196-197.

Runkel RL, McKnight DM, Andrews ED. Analysis of transient storage subject to unsteady flow: diel flow variation in an Antarctic stream. Journal of the North American Benthological Society [Internet]. 1998;17(2):143-154. http://www.jstor.org/stable/1467958

McKnight DM, Alger AS, Tate CM, Shupe GH, Spaulding SA. Longitudinal Patterns in Algal Abundance and Species Distribution in Meltwater Streams in Taylor Valley, Southern Victoria Land, Antarctica, in Ecosystem Processes in a Polar Desert: The McMurdo Dry Valleys, Antarctica. Antarctic Research Series. 1998;72:109-127.

W Lyons B, Tyler SW, Wharton, Jr. RA, McKnight DM, Vaughn BH. A late holocene dessication of Lake Hoare and Lake Fryxell, McMurdo Dry Valleys, Antarctica. Antarctic Science. 1998;10(3):247-256.

Moorhead DL, McKnight DM, Tate CM. Modeling Nitrogen Transformations in Dry Valley Streams, Antarctica, in Ecosystem Processes in a Polar Desert: The McMurdo Dry Valleys, Antarctica. Antarctic Research Series. 1998;72:141-151.

Bomblies A, McKnight DM. Climatic controls on streamflow generation from Antarctic glaciers. [Boulder, CO]: University of Colorado Boulder; 1998.

Alger AS, McKnight DM, Spaulding SA, Tate CM. Ecological processes in a cold desert ecosystem: the abundance and species distribution of algal mats in glacial meltwater streams in Taylor Valley. In: Shupe GH, Welch KA, Edwards RL, Andrews ED. Institute of Arctic and Alpine Research [Internet]. University of Colorado; 1997. p. 108 pp. http://instaar.colorado.edu/other/download/OP51-ECOLOGICAL-PROCESSES.pdf

W Lyons B, Welch KA, Nezat CA, Crick K, Toxey JK, Mastrine JA, et al.. Chemical weathering rates and reactions in the Lake Fryxell Basin, Taylor Valley : Comparison to temperate river basins. In Ecosystem Processes in Antarctic Ice-free Landscapes. Balkema Press, Rotterdam; 1997. pp. 147-154.

Niyogi DK, Tate CM, McKnight DM, Duff JH, Alger AS. Species composition and primary production of algal communities in Dry Valley streams in Antarctica: Examination of the functional role of biodiversity. In Ecosystem Processes in Antarctic Ice-free Landscapes. Balkema Press, Rotterdam; 1997. pp. 171-179.

Spaulding SA, McKnight DM, Stoermer EF, Doran PT. Diatoms in sediments of perennially ice-covered Lake Hoare, and implications for interpreting lake history in the McMurdo Dry Valleys of Antarctica. Journal of Paleolimnology. 1997;17:403-420.

McKnight DM, Tate CM. Canada Stream: a glacial meltwater stream in Taylor Valley, South Victoria Land, Antarctica. Journal of the North American Benthological Society. 1997;16(1):14-17.

Laybourn-Parry J, James MR, McKnight DM, Priscu JC, Spaulding SA, Shiel R. The microbial plankton of Lake Fryxell, southern Victoria Land, Antarctica during the summers of 1992 and 1994. Polar Biology. 1997;17:54-61.

Aiken GR, McKnight DM, Harnish RA, Wershaw R. Geochemistry of aquatic humic substances in the Lake Fryxell Basin, Antarctica. Biogeochemistry. 1996;34:157-188.

McKnight DM, Tate CM. McMurdo LTER: Algal mat distribution in glacial meltwater streams in Taylor Valley, southern Victoria Land, Antarctica. Antarctic Journal of the United States. 1995;30(5):287-289.

House HR, McKnight DM, Von Guerard P. The influence of stream channel characteristics on streamflow and annual water budgets for lakes in Taylor Valley. Antarctic Journal of the U.S. 1995;30(5):284-287.

Von Guerard P, McKnight DM, Harnish RA, Gartner JW, Andrews ED. Streamflow, water-temperature, and specific-conductance data for selected streams draining into Lake Fryxell, Lower Taylor Valley, Victoria Land, Antarctica, 1990-92. U.S. Geological Survey. Open-File Report 94-545. 1995;.

Alger AS, Spaulding SA, Shupe GH, McKnight DM. McMurdo LTER: Species composition and spatial distribution of algal mats in Green Creek, Taylor Valley, Antarctica. Antarctic Journal of the U. S. 1995;30(5):289-291.

McKnight DM, House HR, Von Gerard P. McMurdo LTER: Streamflow Measurements in Taylor Valley. Antarctic Journal of the United States. 1994;29(5):230-232.

Welch KA, W Lyons B, Priscu JC, Edwards RL, McKnight DM, House HR, et al.. McMurdo LTER: Inorganic geochemical studies with special reference to calcium carbonate dynamics. Antarctic Journal of the U.S. 1994;29(5):237-239.

McKnight DM, Andrews ED, Spaulding SA, Aiken GR. Aquatic fulvic acids in algal-rich antarctic ponds. Limnology and Oceanography. 1994;39(8):1972-1979.

Spaulding SA, McKnight DM, Smith RL, Dufford R. Phytoplankton population dynamics in perennially ice-covered Lake Fryxell, Antarctica. Journal of Plankton Research. 1994;16(5):527-541.

McKnight DM, Andrews ED. Potential hydrologic and geochemical consequences of the 1992 merging of Lake Chad with Lake Hoare in Taylor Valley. Antarctic Journal of the U.S. 1993;28(5):249-251.

McKnight DM, Aiken GR, Andrews ED, Bowles EC, Harnish RA. Dissolved Organic Material in Dry Valley Lakes: A Comparison of Lake Fryxell, Lake Hoare, and Lake Vanda, in Physical and Biogeochemical Processes in Antarctic Lakes. Antarctic Research Series. 1993;59:119-133.

Datasets for Diane McKnight

Summer Phytoplankton Densities 1992-2001

Summer vs Winter Phytoplankton Presence 1989-1991

Winter Phytoplankton Densities during the 1990-1991 season

High frequency seasonal stream gage measurements from Andersen Creek at H1 in Taylor Valley, Antarctica from 1993 to present

Bartley Stream at Flume stream gage measurements

Bohner Stream Gage Measurements

Adams Stream Gage Measurements

Algae Ash-Free Dry Mass in Reactivated Channel

High frequency seasonal stream gage measurements from Aiken Creek at F5 in Taylor Valley, Antarctica from 1990 to present

Algal Abundances in Reactivated Channel

Bartley Stream West stream gage measurements, 1985

High frequency seasonal stream gage measurements from Canada Stream at F1 in Taylor Valley, Antarctica from 1990 to present

Clark stream gage measurements, 1982-85

Victoria River gauge measurements

High frequency seasonal stream gage measurements from Commonwealth Stream at C1 in Taylor Valley, Antarctica from 1993 to present

Algal and Moss Biomass in Reactivated Channel

High frequency seasonal stream gage measurements from Crescent Stream at F8 in Taylor Valley, Antarctica from 1990 to present

High frequency seasonal stream gage measurements from Delta Stream at F10 in Taylor Valley, Antarctica from 1990 to present

Garwood River Gage Measurements, 1988-91

High frequency seasonal stream gage measurements from Green Creek at F9 in Taylor Valley, Antarctica from 1990 to present

High frequency seasonal stream gage measurements from Harnish Creek at F11 in Taylor Valley, Antarctica from 1996 to present

High frequency seasonal stream gage measurements from Harnish Creek at F7 in Taylor Valley, Antarctica from 2001 to present

House Stream gage Measurements, 1993-2012

Lawson Creek Gage Measurements

High frequency seasonal stream gage measurements from Lost Seal Stream at F3 in Taylor Valley, Antarctica from 1990 to present

Lyons Creek Gage Measurements, 1995-2000

Priscu Stream Gage Measurements

Santa Fe Stream Gage Measurements

High frequency seasonal stream gage measurements from Von Guerard Stream at F6 in Taylor Valley, Antarctica from 1990 to present

Lower Miers Stream gage measurements, 1990-91

High frequency seasonal stream gage measurements from the Onyx River at Lower Wright in Wright Valley, Antarctica from 1972 to present

High frequency seasonal stream gage measurements from the Onyx River at Lake Vanda in Wright Valley, Antarctica from 1969 to present

Upper Victoria River at Lake Outlet gauge measurements, 1988-91

Stream Chemistry for Reactivated Channel

Algae Primary Productivity in Reactivated Channel

Invertebrate taxa qualitative abundances in reactivated channel

Stream Algae Ash-Free Dry Mass

Stream Algal Abundances

Stream Algal and Moss Biomass

Stream Descriptions

Manual Field Meter Stream Measurements

Stream Gage and Outlet Locations

Mean Daily Stream Gage Measurements 1969-1997

Algal microbial mat biomass measurements from the McMurdo Dry Valleys and Cape Royds, Antarctica from 1994 to present

Stream Algae Photosynthesis/Light Measurements

Stream Algae Primary Productivity

Stream Transect Locations (1994)

Stream Transect Coordinate List (1994)

Stream Invertebrate Taxa Qualitative Abundances

Algal Species, Morphotype Descriptions

Stream Scanned Field Notes

Stream Gauge Measurements During 1995 Tracer Experiment

Relative Positions Within Stream Transects

Taylor Valley Water Budgets, 1991-1997

Tracer Experiment Stream Nutrients during 1995

Relict Channel Locations

1995 Tracer Experiment Locations

Stream Feature Coordinates (1994)

Lakes Dissolved Organic Compounds Fluorescence Analysis

Streams Dissolved Organic Compounds Fluorescence Analysis

Isotope Ratios for Taylor Valley Streams

Nitrogen and Phosphorus Dynamics in Green Creek, January 1995. Field and Modeling data

Transient storage in Huey Creek, January 1992 - Field and Modeling data

Daily summaries of seasonal stream gage measurements from Aiken Creek at F5 in Taylor Valley, Antarctica from 1990 to present

Daily summaries of seasonal stream gage measurements from Andersen Creek at H1 in Taylor Valley, Antarctica from 1993 to present

Daily summaries of seasonal stream gage measurements from Canada Stream at F1 in Taylor Valley, Antarctica from 1990 to present

Daily summaries of seasonal stream gage measurements from Commonwealth Stream at C1 in Taylor Valley, Antarctica from 1993 to present

Daily summaries of seasonal stream gage measurements from Crescent Stream at F8 in Taylor Valley, Antarctica from 1990 to present

Daily summaries of seasonal stream gage measurements from Delta Stream at F10 in Taylor Valley, Antarctica from 1990 to present

Daily summaries of seasonal stream gage measurements from Green Creek at F9 in Taylor Valley, Antarctica from 1990 to present

Daily summaries of seasonal stream gage measurements from Harnish Creek at F7 in Taylor Valley, Antarctica from 2001 to present

House Stream Gage Daily Averages, 1993-2012

Huey Creek Gage Daily Averages

Daily summaries of seasonal stream gage measurements from Harnish Creek at F11 in Taylor Valley, Antarctica from 1996 to present

Lawson Creek Gage Daily Averages

Daily summaries of seasonal stream gage measurements from Lost Seal Stream at F3 in Taylor Valley, Antarctica from 1990 to present

Daily summaries of seasonal stream gage measurements from the Onyx River at Lake Vanda in Wright Valley, Antarctica from 1969 to present

Priscu Stream Gage Daily Averages

Santa Fe Stream Gage Daily Averages

Daily summaries of seasonal stream gage measurements from Von Guerard Stream at F6 in Taylor Valley, Antarctica from 1990 to present

Daily summaries of seasonal stream gage measurements from the Onyx River at Lower Wright in Wright Valley, Antarctica from 1972 to present