 | Lyons, W. Berry, Welch, Kathleen A., Snyder, Glen, Olesik, John, Graham, Elizabeth Y., Marion, Giles M., Poreda, Robert J. (2005) Halogen geochemistry of the McMurdo dry valleys lakes, Antarctica: Clues to the origin of solutes and lake evolution. Geochimica et Cosmochimica Acta, 69 (2) 305-323 doi:10.1016/j.gca.2004.06.040 | Journal (article/letter/editorial) | | geochemistry of the McMurdo dry valleys lakes, Antarctica: Clues to the origin of solutes and lake evolution W...concentrations in the ice-covered lakes of Taylor Valley, Antarctica, to better establish the sources of salts...following conclusions. The primary source of solutes to Lake Hoare, the youngest of the lakes, is the dissolution...the glaciers. The geochemistry of Lake Fryxell, the brackish water lake, is primarily dominated by the diffusion...sediment-water interface and the recent infilling of the lake by glacier meltwater. These waters have chemical |  | | Journal (article/letter/editorial) | | crystalline, cold desert salts in the McMurdo region, Antarctica J. R. (HARRY) KEYS and KAREN WILLIAMS...Department of Chemistry and AntarctIc Research Center. Victoria Llniversity of Wellington. New Zealand The distribution...crystalllne salt minerals in deposits in the McMurdo region of AntarctIca has been examined to study the origin...areas. that include penguin rookeries and eastern Taylor Valley, the summit area of Erebus Volcano. and...dissolved forms, are widespread in the McMurdo region of Antarctica. This is an area comprising 3OOG4000 |  | | Journal (article/letter/editorial) | | Halite and Hydrohalite from Lake Bonney, Taylor Valley, Antarctica James R. Craig ABSTRACT Halite (NaCl)...sediments of Lake Bonney. These salts are in contact with the hypersaline b o t t o m waters of the lake at depths...depths below 28 m and occur with gypsum and calcite; a porous algal m a t may be growing on at least a...geochemical investigation of t w o of these lakes, Lakes Bonney and Vanda; he discovered that these permanently...monimolimnion is warm (22Ā°C) in Lake Vanda b u t cold in Lake Figure 1. Lake Bonney and sampling sites. Salt |  | | Journal (article/letter/editorial) | | PROTEROZOIC OF AUSTRALIA AND THE CAINOZOIC OF ANTARCTICA M.R. WALTER and J. BAULD Bass Becking Geobiological...Proterozoic of Australia and the Cainozoic of Antarctica. Precambrian Res., 21: 129--148. Carbonate sediments...both the Vestfold Hills, and the Taylor and Wright Dry Valleys; Lake Bonney is the most comprehensively described...1982) are c o m m o n components o f the frigid lake facies. Sulphate evaporites have long been known...boreal regions, and during the last decade the Dry Valley Drilling Project (DVDP) has produced a wealth |  | Diaz, Melisa A., Welch, Susan A., Sheets, Julie M., Welch, Kathleen A., Khan, Alia L., Adams, Byron J., McKnight, Diane M., Cary, S. Craig, Lyons, W. Berry (2020) Geochemistry of aeolian material from the McMurdo Dry Valleys, Antarctica: Insights into Southern Hemisphere dust sources. Earth and Planetary Science Letters, 547. 116460pp. doi:10.1016/j.epsl.2020.116460 | Journal (article/letter/editorial) | | Geochemistry of aeolian material from the McMurdo Dry Valleys, Antarctica: Insights into Southern Hemisphere...Available online xxxx Editor: L. Derry Keywords: Antarctica aeolian material mineralogy major oxides trace...Zealand has been identiļ¬ed in ice cores throughout Antarctica, suggesting that during arid and windy periods...surface in four valleys within the McMurdo Dry Valleys, the largest ice-free area in Antarctica. Our mineralogy...are primarily derived from local rocks of the McMurdo Volcanics, Ferrar Dolerite, Beacon Sandstone and |  | | Journal (article/letter/editorial) | | e o Lithium isotopic composition of the McMurdo Dry Valleys aquatic systems Rebecca A. Witherow a,ā,...Accepted 27 April 2010 Editor: J.D. Blum Keywords: Antarctica Lakes Streams Salt dissolution Alkali elements...b s t r a c t The McMurdo Dry Valleys are the largest ice-free area in Antarctica and include several...several terminal lake basins. These include Lakes Hoare, Fryxell, Bonney, and Vanda. The hydrology of the lakes...suggested as the most likely sources of solutes to dry valley waters. We have examined the lithium isotopic |  | | Journal (article/letter/editorial) | | determine C reservoir eĀ”ects in lakes: examples from Antarctica Brenda L. Hall a; *, Gideon M. Henderson b a...grounding line of the Ross Sea ice sheet in Glacial Lake Trowbridge. This large reservoir effect is believed...samples formed at the bottom of Lake Vida (now exposed due to lower lake level) yielded an age of 9550...isolation of the lake bottom indicates another level of hardship for life in the Dry Valley lacustrine environment...important climate information recorded in the Dry Valleys both within and beyond the 14 C age range. Ć |  | | Journal (article/letter/editorial) | | role in the evolution of four lakes of the McMurdo Dry Valleys* WILLIAMJ. GREENā, MICHAELP. ANGLEā and KEITH...for nineteen meltwater streams in the McMurdo dry valleys,Antarctica, and for the four lakes fed by these...Quatemary diamictics and the McMurdo volcanics (VOCKE and HANSON, 198 1). Taylor Valley, the site of Lakes Fryxell...km from the Polar Plateau to the Ross Sea. The valley is bordered by the Kukri Hills to the south and...and the Asgard Range to the north. The valley floor is covered with moraines and occasional cinder cones |  | | Journal (article/letter/editorial) | | formation of Ca-Cl-rich groundwaters in the Dry Valleys of Antarctica: Field measurements and modeling of reactive...systems, lakes, and ponds throughout the Dry Valleys of Antarctica. The apparent abundance of Ca-Cl-rich...icecemented soil developing on ļ¬uvial sediment in Taylor Valley also contains Ca-Cl-rich brine. The distribution...shows that by freezing soils in equilibrium with Dry Valley surface waters, a strong Ca-Mg enrichment of...consistent with Ca-Cl-rich brine compositions in the Dry Valleys, although additional waterārock interaction is |  | | Report (issue) | | 1969 INDEX Alluvial fans ________________ _ Antarctica Admiralty Mountains ______ _ Beardmore Glacier..._ Koettlitz Glacier __________ _ Lake Bonney ______________ _ McMurdo Station _________ _ Mount Erebus...____________ _ Shackleton Glacier _________ _ Taylor Valley _____________ _ Terra Nova Bay ___________ _..._ Trafalgar Glacier __________ _ Wright Valley _____________ _ Anticlines ___________________ _ Aretes...Calderas ____________________ _ Antarctica 20; Chile 2, 8; Iran 5 Antarctica 11; Chile 4; Ecuador 2; Guatemala |  | Harmon, Russell S., Leslie, Deborah L., Lyons, W. Berry, Welch, Kathleen A., McKnight, Diane M. (2021) Geochemistry of contrasting stream types, Taylor Valley, Antarctica. GSA Bulletin, 133 (1). 425-448 doi:10.1130/b35479.1 | Journal (article/letter/editorial) | | Geochemistry of contrasting stream types, Taylor Valley, Antarctica Russell S. Harmon1,ā , Deborah L. Leslie2...INTRODUCTION The McMurdo Dry Valley region is the largest ice-free area of Antarctica. Ephemeral streams...ice-covered, closed basin lakes. The chemistry of 24 Taylor Valley streams was examined over the two-decade period...dissolved silica at low concentrations. Across Taylor Valley, streams are characterized by their consistent...the Ross Sea coast of Victoria Land in Antarctica (Fig. 1A), the McMurdo Dry Valley region is a polar desert |  | | Journal (article/letter/editorial) | | Onyx River (Wright Valley, Antarctica) and its role in the chemical evolution of Lake Vanda WILLIAM J....9, 1984) Abstract-The Onyx River (Wright Valley, Antarctica) is a dilute mehwater stream od~~ti~ in the...content when glacial meltwaters contact Wright Valley soils at Lake Brownworth and the concentrations of all...increase with distance along the 28-km channel down to Lake Van&. Average millimolar concentrations of major...(1982), this amounts to-an annual flux (in mole&to Lake Vanda of: Ca = 0.238 X 106; Mg = 0.122 X 106: Na |  | | Journal (article/letter/editorial) | | glaciers during and since Termination 1, Salmon Valley, Antarctica Margaret S. Jackson ā , Brenda L. Hall, George...the last ice-age termination in Salmon Valley, adjacent to McMurdo Sound in the western Ross Sea Embayment...elevation and extent along the headlands of Salmon Valley at ā¼18,000 yr BP, during a period of increasing...the valley mouth until after ā¼14,000 yr BP. Removal of grounded Ross Sea ice from Salmon Valley was complete...southern McMurdo Sound by that time. We suggest the primary driver of Ross Sea ice removal from McMurdo Sound |  | Stumpf, A.R., Elwood Madden, M.E., Soreghan, G.S., Hall, B.L., Keiser, L.J., Marra, K.R. (2012) Glacier meltwater stream chemistry in Wright and Taylor Valleys, Antarctica: Significant roles of drift, dust and biological processes in chemical weathering in a polar climate. Chemical Geology, 322. 79-90 doi:10.1016/j.chemgeo.2012.06.009 | Journal (article/letter/editorial) | | meltwater stream chemistry in Wright and Taylor Valleys, Antarctica: Signiļ¬cant roles of drift, dust and...within glacial drainages in Wright and Taylor Valley Antarctica in conjunction with geochemical modeling...Clark Glacier in Wright Valley, and Howard Glacier (Delta Stream) in Taylor Valley show increases in solute...that (1) glacial deposits within Wright Valley and Taylor Valley may signiļ¬cantly affect stream chemistry...rights reserved. 1. Introduction The McMurdo Dry Valleys, Antarctica, are the coldest and driest regions |  | | Report (issue) | | distribution within glacial till in Taylor Valley, Southern Victoria Land, Antarctica ............................geologists recognize the value of these ancient land surfaces as archives of important paleotopographic...extensive, moderately mature paleosols and incised valley bases. Demko et al. (2004) used laterally continuous...typically occur within the Tertiary basin fill of many valleys in southwestern Montana Calcic pedocomplexes... HELENA BUTTE B Va ig H lle ol y e Jefferson Valley BOZEMAN 6 UNITED STATES y SCALE n Valle |  | | Book | | published in 1985 with his map of the McMurdo Sound area of Antarctica. We are pleased to republish these...illustration: A tent camp in the Mesa Range of northern Victoria Land at the foot of Mt. Masley. Printed on acid-free...during the 1969/1970 field season. Prolog Antarctica! The very word brings to mind images of fierce...winds, bone-chilling cold, and utter desolation. Antarctica has the reputation of being a hostile place unfit...worked there have a very different impression of Antarctica. To us it is a place of unsurpassed beauty where |  | Peters, Brian, Casciotti, Karen L., Samarkin, Vladimir A., Madigan, Michael T., Schutte, Charles A., Joye, Samantha B. (2014) Stable isotope analyses of NO2ā, NO3ā, and N2O in the hypersaline ponds and soils of the McMurdo Dry Valleys, Antarctica. Geochimica et Cosmochimica Acta, 135. 87-101 doi:10.1016/j.gca.2014.03.024 | Journal (article/letter/editorial) | | hypersaline ponds and soils of the McMurdo Dry Valleys, Antarctica Brian Peters a,ā, Karen L. Casciotti...quantities in the soils and lakes of the McMurdo Dry Valleys, Antarctica. Unraveling the mechanisms of N2O production...unique stable isotopic signatures in certain Dry Valley soils through abiotic reduction of nitrate (NO...Instead of ļ¬nding unique SP values for N2O at Dry Valley sites, SP values mostly fell within the range...Juan Pond (DJP), a hypersaline pond in the Wright Valley, have been largely unsuccessful. We consider two |  | Marion, Giles M., Fritsen, Christian H., Eicken, Hajo, Payne, Meredith C. (2003) The Search for Life on Europa: Limiting Environmental Factors, Potential Habitats, and Earth Analogues. Astrobiology, 3 (4) 785-811 doi:10.1089/153110703322736105 | Journal (article/letter/editorial) | | potential Europan habitats are in the Arctic and Antarctica. The six factors likely to be most important...terrestrial environments include the Dry Valleys of Antarctica and Arctic polar deserts. Temperatures... HIGH AND LOW TEMPERATURES References 103Ā°C Dry terrestrial AT Pledger and Baross (1991), Segerer...considered the lower limit for biological activity under dry atmospheric conditions (Kushner, 1981; Dose et al...especially dry environments include the Atacama Desert of northern Chile and the Dry Valleys of Antarctica |  | | Report (chapter) | | by chain lines. Sample suites: 1, subglacial~ Antarctica, Aharon (1988): 2, subglacial, Quebec (Hillaire-Marcel...1973); 7, lacustrine carbonates from Taylor Valley, Antarctica (Hendy et al. 1979); 8a 20000 years old...Recent lacustrine carbonates, Lake Fryxell, Taylor Valley, Antarctica (Lawrence & Hendy 1989); 9a modern...Tasmania (Rao & Green 1982; Rao 1988); 10 Permian, Antarctica authigenic lacustrine (Lord et al. 1988) and...diagenetic modification of Mg/Ca ratio and 6180 values (Land 1980), this was not found to be the case for the |  | | Report (chapter) | | processes and landforms in the Dry Valleys of southern Victoria Land: implications for evaluating climate...author (e-mail: marchant@bu.edu) Abstract: The Dry Valleys are subdivided into three microclimate zones...are subdivided into macroscale features (e.g. valleys, slopes and gullies), mesoscale features (e.g....present a review of landscape development in the Dry Valleys with implications for long-term climate change...Collectively, the data call for persistent cold and dry conditions in the stable upland zone for approximately |  | | Journal (article/letter/editorial) | | 187ā222 www.elsevier.com/locate/icarus Antarctic dry valleys: Microclimate zonation, variable geomorphic processes...online 16 August 2007 Abstract The Antarctic Dry Valleys (ADV) are generally classified as a hyper-arid...analog for Mars because of its generally cold and dry climate and because it contains a suite of landforms...Dashed oval shows region comprising the Antarctic Dry Valleys (ADV), including the stable upland zone SUZ (shown...at 300 and 1000 mbar. TD, modern conditions at Taylor Dome, 35 km south-west of the ADV; EAIS, modern |  | | Report (issue) | | Distribution: Antarctica. Name: Halite, gypsum. From Hallein, Salzburg, Austria. In Lake Bonney, Taylor Valley...Valley, Victoria Land, As a hydrate of halite. References: (1) Palache, C., H. Berman, and C. Frondel (1951)...(1974) Halite and hydrohalite from Lake Bonney, Taylor Valley, Antarctica. Geology, 1, 389ā390. (4) Craig |  | | Book | | earth scientists in the scientific exploration of Antarctica can best be judged from the fact that 7 years...geology and solid earth geophysical literature of Antarctica. It is worth noting that two important differences...where earth scientists have but a fragment of Antarctica exposed to study and at times make, in some cases...parts of Antarctica, and the infuence of new plate tecĀ¬ tonic thinking not only in Antarctica but in its...Adie freedom of the SCAR nations working in Antarctica, to give to SCAR his services, for the second |  | | Journal (article/letter/editorial) | | the SO,lCl ratio varies according to the local gypsum-~hy~te equilibrium conditions, and the Ca/(SO,...however, if seawater is allowed to freeze in inner, land-locked seas or other restricted marine bodies (lagoons...halite and possibly some other minerals such as gypsum. The origin of the Ca-chloride type brines (i.e...interaction models (FRAPE et al, 1984, GRAF, 1982; LAND and PREZBINDOWSKI,198 1). In an attempt to explain...with depth observed in many sedimentary basins, LAND (1987) concluded that āsubsurface evaporite destruo |  | | Book | | the Abrasion Platforms of the Intertidal Zone of Eastern Mediterranean Shores [Einav, R. and Israel, A.]... . . . . . . . . . . Cyanobacteria in Antarctic Lake Environments: A Mini-Review [Singh, S.M. and Elster...505 521 PART 6: PHOTOTROPHS UNDER WATER STRESS: DRY AND HYPERSALINE ENVIRONMENTS North American Desert...[Grilli Caiola, M. and Billi, D.] Chlorophyta on Land: Independent Lineages of Green Eukaryotes from Arid...acidic habitats, (6) Phototrophs under water stress: dry and hypersaline environments, (7) Adaptability to |
|
