Code of Conduct Mcmurdo Dry Valleys ASMA: Day Trips
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Osl Dating of High-Elevation Alluvial Sediments: Mcmurdo Dry
OSL DATING OF HIGH-ELEVATION ALLUVIAL SEDIMENTS: MCMURDO DRY VALLEYS, ANTARCTICA A Thesis Submitted to the Graduate Faculty of the North Dakota State University of Agriculture and Applied Science By Meridith Ann Ramsey In Partial Fulfillment of the Requirements for the Degree of MASTER OF SCIENCE Major Program: Environmental and Conservation Science November 2014 Fargo, North Dakota North Dakota State University Graduate School Title OSL DATING OF HIGH-ELEVATION ALLUVIAL SEDIMENTS: MCMURDO DRY VALLEYS, ANTARCTICA By Meridith Ann Ramsey The Supervisory Committee certifies that this disquisition complies with North Dakota State University’s regulations and meets the accepted standards for the degree of MASTER OF SCIENCE SUPERVISORY COMMITTEE: Kenneth Lepper Chair Adam Lewis Lisa Montplaisir Approved: 04/16/2015 Eakalak Khan Date Department Chair ABSTRACT High-elevation alluvial fans in the McMurdo Dry Valleys are a record of short-term, occasional melting events along the margins of the East Antarctic Ice Sheet. Sediment samples were dated from five fans using Optically Stimulated Luminescence (OSL) dating. OSL dates the time since quartz grains were last exposed to sunlight; all sample preparation takes place in a dark room. Thirteen samples were dated for this thesis, the ages were stratigraphically consistent and ranged from 1.1 ka to 105.9 ka. Clusters of fan activity occurred between 1.1 and 3.1 ka and 8.1 and 11.1 ka. The melting events appear to be linked to insolation, with periods of fan activity occurring usually at times of increased mean annual insolation. The alluvial fans show promise as a possible archive for climate proxies in this region of Antarctica. -
Microbial Dispersal Limitation to Isolated Soil Habitats in the Mcmurdo Dry Valleys
bioRxiv preprint doi: https://doi.org/10.1101/493411; this version posted December 13, 2018. The copyright holder for this preprint (which was not certified by peer review) is the author/funder. All rights reserved. No reuse allowed without permission. 1 Microbial dispersal limitation to isolated soil habitats in the McMurdo Dry Valleys 2 of Antarctica 3 4 Stephen D.J. Archer1,2, Kevin C. Lee2, Tancredi Caruso3, Teruya Maki4, Charles K. Lee5, 5 Don A. Cowan6, Fernando T. Maestre7, Stephen B. Pointing1,8 6 7 1 Yale-NUS College, National University of Singapore, Singapore 138527 8 2 Institute for Applied Ecology New Zealand, Auckland University of Technology, Auckland 9 1142, New Zealand 10 3 School of Biological Sciences and Global Institute for Food Security, Queen's University 11 Belfast, Belfast BT9 7BL, Northern Ireland, UK 12 4 Department of Chemical Engineering, Kanazawa University, Kanazawa 920-1192, Japan 13 5 International Centre for Terrestrial Antarctic Research, University of Waikato, Hamilton 14 3240, New Zealand 15 6 Centre for Microbial Ecology and Genomics, University of Pretoria, Pretoria 0002, South 16 Africa 17 7 Departamento de Biología y Geología, Física y Química Inorgánica, Escuela Superior de 18 Ciencias Experimentales y Tecnología, Universidad Rey Juan Carlos, C/ Tulipán s/n, 28933 19 Móstoles, Spain 20 8 Department of Biological Sciences, National University of Singapore, Singapore 117558 21 1 bioRxiv preprint doi: https://doi.org/10.1101/493411; this version posted December 13, 2018. The copyright holder for this preprint (which was not certified by peer review) is the author/funder. All rights reserved. -
The Influence of Fцhn Winds on Glacial Lake Washburn And
Portland State University PDXScholar Geology Faculty Publications and Presentations Geology 3-1-2017 The Influence of öhnF Winds on Glacial Lake Washburn and Palaeotemperatures in the McMurdo Dry Valleys, Antarctica, During the Last Glacial Maximum Maciej Obryk Portland State University Peter Doran Louisiana State University Ed Waddington University of Washington-Seattle Chris McKay NASA Ames Research Center Follow this and additional works at: https://pdxscholar.library.pdx.edu/geology_fac Part of the Geology Commons Let us know how access to this document benefits ou.y Citation Details Obryk M.K., Doran P.T., Waddington E.D., Mckay C.P. 2017. The Influence of öhnF Winds on Glacial Lake Washburn and Palaeotemperatures in the McMurdo Dry Valleys, Antarctica, During the Last Glacial Maximum. Antarctic Science, 29(3)1-11. This Article is brought to you for free and open access. It has been accepted for inclusion in Geology Faculty Publications and Presentations by an authorized administrator of PDXScholar. Please contact us if we can make this document more accessible: [email protected]. Antarctic Science page 1 of 11 (2017) © Antarctic Science Ltd 2017 doi:10.1017/S0954102017000062 The influence of föhn winds on Glacial Lake Washburn and palaeotemperatures in the McMurdo Dry Valleys, Antarctica, during the Last Glacial Maximum M.K. OBRYK1,2, P.T. DORAN2, E.D. WADDINGTON3 and C.P. MCKAY4 1Department of Geology, Portland State University, Portland, OR 97219, USA 2Department of Geology and Geophysics, Louisiana State University, Baton Rouge, LA 70803, USA 3Earth and Space Sciences, University of Washington, Seattle, WA 98195, USA 4Space Science Division, NASA Ames Research Center, Moffett Field, CA 94035, USA [email protected] Abstract: Large glacial lakes, including Glacial Lake Washburn, were present in the McMurdo Dry Valleys, Antarctica, during the Last Glacial Maximum (LGM) despite a colder and drier climate. -
Characterization of Heavy Metals Resistant Heterotrophic Bacteria from Soils in the Windmill Islands Region, Wilkes Land, East Antarctica
vol. 35, no. 4, pp. 593–607, 2014 doi: 10.2478/popore−2014−0028 Characterization of heavy metals resistant heterotrophic bacteria from soils in the Windmill Islands region, Wilkes Land, East Antarctica Iva TOMOVA, Margarita STOILOVA−DISHEVA and Evgenia VASILEVA−TONKOVA* Institute of Microbiology, Bulgarian Academy of Sciences, Acad. Georgi Bonchev Str., Bl. 26, 1113 Sofia, Bulgaria * corresponding author <[email protected]> This article is dedicated to the memory of Dr. Victoria Gesheva gratefully Abstract: In this study, selected heavy metals resistant heterotrophic bacteria isolated from soil samples at the Windmill Islands region, Wilkes Land (East Antarctica), were character− ized. Phylogenetic analysis revealed affiliation of isolates to genera Bacillus, Lysini− bacillus, Micrococcus and Stenotrophomonas. The strains were found to be psychrotolerant and halotolerant, able to tolerate up to 10% NaCl in the growth medium. The Minimum In− hibitory Concentration of the seven heavy metals Cr, Cu, Ni, Co, Cd, Zn, and Pb was deter− mined in solid media for each bacterial strain. Gram−positive Vi−2 strain and Gram−negative Vi−4 strain showed highest multiply heavy metals resistance, and Vi−3 and Vi−4 strains showed multi−antibiotic resistance to more than a half of the 13 used antibiotics. Plasmids were detected only in Gram−negative Vi−4 strain. The bacteria were able to produce differ− ent hydrolytic enzymes including industrially important proteases, xylanases, cellulases, and b−glucosidases. High heavy metals resistance of the Antarctic bacteria suggests their potential application for wastewater treatment in cold and temperate climates. Highly sensi− tive to Cd and Co ions Vi−1, Vi−5 and Vi−7 strains would be promising for developing biosensors to detect these most toxic heavy metals in environmental samples. -
Microclimate and Weathering Processes in the Area of Darwin
relationship between the folds reported by Burgess (in Findlay, R. H. 1978. Provisional report on the geology of the region press) and those described here cannot be determined from between the Renegar and Blue Glaciers, Antarctica. New Zealand present evidence. Antarctic Record, 1, 39-44. Skinner (1964, 1965) named the rocks at Mt. Madison the Grindley, G. W., McGregor, V. R., and Walcott, R. I. 1964. Outline Selborne Marble and distinguished them from the Shack- of the geology of the Nimrod-Beardmore-Axel Heiberg Glaciers region, Ross dependency. In Adie (Ed.), leton Limestone due to their higher metamorphic grade. He R. J. Antarctic geology. Amsterdam: North-Holland Publishing. suggested that they may be Precambrian in age, correlative with the Nimrod Group in the Miller Range (Grindley, Skinner, D. N. B. 1964, A summary of the geology of the region McGregor, and Walcott 1964). If this is the case, deforma- between Byrd and Starshot glaciers, south Victoria Land, In Adie (Ed.), Antarctic geology. Amsterdam: North-Holland tion at Mt. Madison is probably not related to the Shackle- R. J. Publishing. ton Limestone south of Byrd Glacier. Skinner, D. N. B. 1965. Petrographic criteria of the rock units To me, lithologies at Mt. Madison appear similar to those between the Byrd and Starshot Glaciers, south Victoria Land, of the Shackleton Limestone and pelitic Dick Formation Antarctica. New Zealand Journal of Geology and Geophysics, 8, (Skinner 1965), and I would suggest that the Selborne Mar- 292-303. ble is a metamorphosed equivalent of those two formations. Skinner, D. N. B. In press. Stratigraphy and structure of lower The metamorphic grade suggests an adjacent granitic pluton grade metasediments of Skelton Group, McMurdo Sound—Does north of Mt. -
Management Plan for Antarctic Specially Protected Area No. 116 NEW COLLEGE VALLEY, CAUGHLEY BEACH, CAPE BIRD, ROSS ISLAND
Management Plan For Antarctic Specially Protected Area No. 116 NEW COLLEGE VALLEY, CAUGHLEY BEACH, CAPE BIRD, ROSS ISLAND 1. Description of values to be protected In 1985, two areas at Cape Bird, Ross Island were designated as SSSI No. 10, Caughley Beach (Recommendation XIII-8 (1985)) and SPA No. 20, New College Valley (Recommendation XIII-12 (1985)), following proposals by New Zealand that these areas should be protected because they contained some of the richest stands of moss and associated microflora and fauna in the Ross Sea region of Antarctica. This is the only area on Ross Island where protection is specifically given to plant assemblages and associated ecosystems. At that time, SPA No. 20 was enclosed within SSSI No. 10, in order to provide more stringent access conditions to that part of the Area. In 2000, SSSI No. 10 was incorporated with SPA No. 20 by Measure 1 (2000), with the former area covered by SPA No. 20 becoming a Restricted Zone within the revised SPA No. 20. The boundaries of the Area were revised from the boundaries in the original recommendations, in view of improved mapping and to follow more closely the ridges enclosing the catchment of New College Valley. Caughley Beach itself was adjacent to, but never a part of, the original Area, and for this reason the entire Area was renamed as New College Valley, which was within both of the original sites. The Area was redesignated by Decision 1 (2002) as Antarctic Specially Protected Area (ASPA) No. 116 and a revised Management Plan was adopted through Measure 1 (2006). -
The Antarctic Treaty
The Antarctic Treaty Measures adopted at the Thirty-ninth Consultative Meeting held at Santiago, Chile 23 May – 1 June 2016 Presented to Parliament by the Secretary of State for Foreign and Commonwealth Affairs by Command of Her Majesty November 2017 Cm 9542 © Crown copyright 2017 This publication is licensed under the terms of the Open Government Licence v3.0 except where otherwise stated. To view this licence, visit nationalarchives.gov.uk/doc/open-government-licence/version/3 Where we have identified any third party copyright information you will need to obtain permission from the copyright holders concerned. This publication is available at www.gov.uk/government/publications Any enquiries regarding this publication should be sent to us at Treaty Section, Foreign and Commonwealth Office, King Charles Street, London, SW1A 2AH ISBN 978-1-5286-0126-9 CCS1117441642 11/17 Printed on paper containing 75% recycled fibre content minimum Printed in the UK by the APS Group on behalf of the Controller of Her Majestyʼs Stationery Office MEASURES ADOPTED AT THE THIRTY-NINTH ANTARCTIC TREATY CONSULTATIVE MEETING Santiago, Chile 23 May – 1 June 2016 The Measures1 adopted at the Thirty-ninth Antarctic Treaty Consultative Meeting are reproduced below from the Final Report of the Meeting. In accordance with Article IX, paragraph 4, of the Antarctic Treaty, the Measures adopted at Consultative Meetings become effective upon approval by all Contracting Parties whose representatives were entitled to participate in the meeting at which they were adopted (i.e. all the Consultative Parties). The full text of the Final Report of the Meeting, including the Decisions and Resolutions adopted at that Meeting and colour copies of the maps found in this command paper, is available on the website of the Antarctic Treaty Secretariat at www.ats.aq/documents. -
Federal Register/Vol. 84, No. 78/Tuesday, April 23, 2019/Rules
Federal Register / Vol. 84, No. 78 / Tuesday, April 23, 2019 / Rules and Regulations 16791 U.S.C. 3501 et seq., nor does it require Agricultural commodities, Pesticides SUPPLEMENTARY INFORMATION: The any special considerations under and pests, Reporting and recordkeeping Antarctic Conservation Act of 1978, as Executive Order 12898, entitled requirements. amended (‘‘ACA’’) (16 U.S.C. 2401, et ‘‘Federal Actions to Address Dated: April 12, 2019. seq.) implements the Protocol on Environmental Justice in Minority Environmental Protection to the Richard P. Keigwin, Jr., Populations and Low-Income Antarctic Treaty (‘‘the Protocol’’). Populations’’ (59 FR 7629, February 16, Director, Office of Pesticide Programs. Annex V contains provisions for the 1994). Therefore, 40 CFR chapter I is protection of specially designated areas Since tolerances and exemptions that amended as follows: specially managed areas and historic are established on the basis of a petition sites and monuments. Section 2405 of under FFDCA section 408(d), such as PART 180—[AMENDED] title 16 of the ACA directs the Director the tolerance exemption in this action, of the National Science Foundation to ■ do not require the issuance of a 1. The authority citation for part 180 issue such regulations as are necessary proposed rule, the requirements of the continues to read as follows: and appropriate to implement Annex V Regulatory Flexibility Act (5 U.S.C. 601 Authority: 21 U.S.C. 321(q), 346a and 371. to the Protocol. et seq.) do not apply. ■ 2. Add § 180.1365 to subpart D to read The Antarctic Treaty Parties, which This action directly regulates growers, as follows: includes the United States, periodically food processors, food handlers, and food adopt measures to establish, consolidate retailers, not States or tribes. -
Geology of Hut Point Peninsula, Ross Island
significantly below their Curie temperatures (approxi- Wilson, R. L., and N. D. Watkins. 1967. Correlation of mately 550°C.). petrology and natural magnetic polarity in Columbia Plateau basalts. Geophysical Journal of the Royal Astro- Previous work (Pucher, 1969; Stacey and Banerjee, nomical Society, 12(4): 405-424. 1974) indicates that the CRM intensity acquired in a low field is significantly less than the TRM intensity. It thus would appear that if a CRM induced at temperatures considerably below the Curie tempera- Geology of Hut Point Peninsula, ture, contributes a significant proportion to the ob- Ross Island served NRM intensity, too low an intensity value will be assigned to the ancient field. Although it is too early to report a firm value for PHILIP R. KYLE the intensity of the ancient field during the imprint- Department of Geology ing of unit 13 and related flows, we think that the Victoria University strength of the ambient field was more likely to Wellington, New Zealand have been about 0.5 oe (based on samples at about 141 meters) than about 0.1 oe (based on samples SAMUEL B. TREVES 122.18 and 126.06 meters). The virtual dipole Department of Geology moment (Smith, 1967b) calculated for an estimated University of Nebraska field intensity of 0.5 oe at the site is 7 X 10 25 gauss Lincoln, Nebraska 68508 cubic centimeters. This is larger than the value of 5.5 X 1025 gauss cubic centimeters (Smith, 1967b) Hut Point Peninsula is about 20 kilometers long calculated on the basis of paleointensity experiments and 2 to 4 kilometers wide. -
University Microfilms, a XEROX Company, Ann Arbor, Michigan
I I 72-15,173 BEHLING, Robert Edward, 1941- PEDOLOGICAL DEVELOPMENT ON MORAINES OF THE MESERVE GLACIER, ANTARCTICA. The Ohio State University in cooperation with Miami (Ohio) University, Ph.D., 1971 Geology University Microfilms,A XEROX Company , Ann Arbor, Michigan PEDOLOGICAL DEVELOPMENT ON MORAINES OF THE MESERVE GLACIER, ANTARCTICA DISSERTATION Presented In Partial Fulfillment of the Requirements for the Degree Doctor of Philosophy in the Graduate School of The Ohio State University By Robert E. Behling, B.Sc., M*Sc. ***** The Ohio State University 1971 Approved by Adv Department f Geology PLEASE NOTE: Some pages have indistinct print. Filmed as received. University Microfilms, A Xerox Education Company ACKNOWLEDGEMENTS This study could not have been possible without the cooperation of faculty members of the departments of agronomy, mineralogy, and geology, I wish to thank Dr. R. P. Goldthwait as chairman of my committee, Dr. L. P. Wilding and Dr. R. T. Tettenhorst as members of my reading committee, as well as Dr. C. B. Bull and Dr. K. R. Everett for valuable assistance and criticism of the manuscript. A special thanks is due Dr. K. R. Everett for guidance during that first field season, and to Dr. F. Ugolini who first introduced me to the problems of weathering in cold deserts. Numerous people contributed to this end result through endless discussions: Dr. Lois Jones and Dr. P. Calkin receive special thanks, as do Dr. G. Holdsworth and Maurice McSaveney. Laboratory assistance was given by Mr. Paul Mayewski and R. W. Behling. Field logistic support in Antarctica was supplied by the U.S. -
CAPE EVANS, ROSS ISLAND (Including Historic Site and Monument Nos
Measure 8 (2010) Annex Management Plan For Antarctic Specially Protected Area No. 155 CAPE EVANS, ROSS ISLAND (including Historic Site and Monument Nos. 16 and 17, the historic Terra Nova hut of Captain Robert Falcon Scott and its precincts and the Cross on Wind Vane Hill) 1. Description of Values to be Protected The significant historic value of this Area was formally recognised when it was listed as Historic Site and Monument Nos. 16 and 17 in Recommendation 9 (1972). An area containing both sites was designated as Specially Protected Area No. 25 in Measure 2 (1997) and redesignated as Antarctic Specially Protected Area 155 in Decision 1 (2002). The Terra Nova hut (Historic Site and Monument No. 16) is the largest of the historic huts in the Ross Sea region. It was built in January 1911 by the British Antarctic Terra Nova Expedition of 1910-1913, led by Captain Robert Falcon Scott, RN. It was subsequently used as a base by the Ross Sea party of Sir Ernest Shackleton’s Imperial Trans-Antarctic Expedition of 1914-1917. Historic Site and Monument No. 17 consists of the Cross on Wind Vane Hill, erected in the memory of three members of Shackleton’s Ross Sea party who died in 1916. In addition to this, two anchors from the ship Aurora of the Imperial Trans-Antarctic Expedition, two instrument shelters (one on Wind Vane Hill and the other near the Terra Nova hut), several supply dumps and numerous artefacts are distributed around the site. Cape Evans is one of the principal sites of early human activity in Antarctica. -
Reuse of a Site After Remediation. a Case Study from Cape Evans, Ross Island
IP 68 Agenda Item: CEP 6 Presented by: ASOC Original: English Submitted: 23/04/2013 Reuse of a site after remediation. A case study from Cape Evans, Ross Island 1 IP 68 Reuse of a site after remediation. A case study from Cape Evans, Ross Island Information Paper submitted by ASOC1 Abstract The repair and remediation of environmental damage is a current topic at the CEP. Usually sites that have been subject to remediation are no longer used, or are reused by the same operator that conducted the remedial action and that can plan subsequent activities there. However, a different operator may reuse a remediated site without necessarily being aware of the site’s history. The reuse of a remediated site may undo the effects of remediation. This Information Paper examines such an instance, using a case study from a small site at Cape Evans, Ross Island, and makes a number of suggestions relevant to assessing cumulative impacts, assessing the effectiveness of remediation, and managing remediated sites. In most instances, it would be better to concentrate new activities at sites that have already been impacted by earlier activities rather than locating them in near-pristine sites, but there may be scientific and practical value also in leaving some remediated sites undisturbed and subject to ongoing monitoring. Overview The repair and remediation of environmental damage is a topic of current discussion at the CEP. Usually sites are no longer used after remediation, or are reused by the same operator that conducted the remedial action and that can plan subsequent activities there.