Final Report of the Thirtieth Antarctic Treaty Consultative Meeting
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Ice Dynamics and Stability Analysis of the Ice Shelf-Glacial System on the East Antarctic Peninsula Over the Past Half Century: Multi-Sensor
Ice dynamics and stability analysis of the ice shelf-glacial system on the east Antarctic Peninsula over the past half century: multi-sensor observations and numerical modeling A dissertation submitted to the Graduate School of the University of Cincinnati in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Department of Geography & Geographic Information Science of the College of Arts and Sciences by Shujie Wang B.S., GIS, Sun Yat-sen University, China, 2010 M.A., GIS, Sun Yat-sen University, China, 2012 Committee Chair: Hongxing Liu, Ph.D. March 2018 ABSTRACT The flow dynamics and mass balance of the Antarctic Ice Sheet are intricately linked with the global climate change and sea level rise. The dynamics of the ice shelf – glacial systems are particularly important for dominating the mass balance state of the Antarctic Ice Sheet. The flow velocity fields of outlet glaciers and ice streams dictate the ice discharge rate from the interior ice sheet into the ocean system. One of the vital controls that affect the flow dynamics of the outlet glaciers is the stability of the peripheral ice shelves. It is essential to quantitatively analyze the interconnections between ice shelves and outlet glaciers and the destabilization process of ice shelves in the context of climate warming. This research aims to examine the evolving dynamics and the instability development of the Larsen Ice Shelf – glacial system in the east Antarctic Peninsula, which is a dramatically changing area under the influence of rapid regional warming in recent decades. Previous studies regarding the flow dynamics of the Larsen Ice Shelf – glacial system are limited to some specific sites over a few time periods. -
The Commonwealth Trans-Antarctic Expedition 1955-1958
THE COMMONWEALTH TRANS-ANTARCTIC EXPEDITION 1955-1958 HOW THE CROSSING OF ANTARCTICA MOVED NEW ZEALAND TO RECOGNISE ITS ANTARCTIC HERITAGE AND TAKE AN EQUAL PLACE AMONG ANTARCTIC NATIONS A thesis submitted in fulfilment of the requirements for the Degree PhD - Doctor of Philosophy (Antarctic Studies – History) University of Canterbury Gateway Antarctica Stephen Walter Hicks 2015 Statement of Authority & Originality I certify that the work in this thesis has not been previously submitted for a degree nor has it been submitted as part of requirements for a degree except as fully acknowledged within the text. I also certify that the thesis has been written by me. Any help that I have received in my research and the preparation of the thesis itself has been acknowledged. In addition, I certify that all information sources and literature used are indicated in the thesis. Elements of material covered in Chapter 4 and 5 have been published in: Electronic version: Stephen Hicks, Bryan Storey, Philippa Mein-Smith, ‘Against All Odds: the birth of the Commonwealth Trans-Antarctic Expedition, 1955-1958’, Polar Record, Volume00,(0), pp.1-12, (2011), Cambridge University Press, 2011. Print version: Stephen Hicks, Bryan Storey, Philippa Mein-Smith, ‘Against All Odds: the birth of the Commonwealth Trans-Antarctic Expedition, 1955-1958’, Polar Record, Volume 49, Issue 1, pp. 50-61, Cambridge University Press, 2013 Signature of Candidate ________________________________ Table of Contents Foreword .................................................................................................................................. -
A NEWS BULLETIN Published Quarterly by the NEW ZEALAND
A N E W S B U L L E T I N p u b l i s h e d q u a r t e r l y b y t h e NEW ZEALAND ANTARCTIC SOCIETY THESE VISITORS TO LAKE FRYXELL IN THE TAYLOR VALLEY ARE LIKE DWARFS AGAINST THE TOWERING CANADA GLACIER WHICH FLOWS DOWN FROM THE ASGAARD RANGE. —Photo by R. K. McBride. Antarctic Division, D.S.I.R. September 1972 «i (Successor to "Antarctic News Bulletin") Vol. 6, No. 7 67th ISSUE Editor: H. F. GRIFFITHS, 14 Woodchester Avenue, Christchurch 1. Assistant Editor: J. M. CAFFIN, 35 Chepstow Avenue, Christchurch 5. Address all contributions, enquiries, etc., to the Editor. All Business Communications, Subscriptions, etc., to: The Secretary, New Zealand Antarctic Society, P.O. Box 1223, Christchurch, N.Z CONTENTS ARTICLES SECOND-IN-COMMAND POLAR ACTIVITIES NEW ZEALAND 222, 225, 231, 240, 243, 251, 253 U.S.A 226, 232, 252 AUSTRALIA 236 UNITED KINGDOM 234 U.S.S.R 238, 239, 241 SOUTH AFRICA 242, 250 CZECHOSLOVAKIA 235 SUB-ANTARCTIC CAMPBELL ISLAND GENERAL LONE TRIP TO POLE DISCOVERY EXPEDITION LETTERS WHALING QUOTAS FIXED ANTARCTIC BOOKSHELF Fifteen years have passed since the International Geophysical Year of 1957-58 and it might be thought that the Antarctic Continent, through the continuing research carried out by the participating nations, would by now have yielded up all its secrets. But this is a false premise; new discoveries in the various branches of science have either highlighted gaps in our knowledge or have pointed the way to investigation in new fields. -
South Georgia & Antarctic Odyssey
South Georgia & Antarctic Odyssey 16 January – 02 February 2019 | Polar Pioneer About Us Aurora Expeditions embodies the spirit of adventure, travelling to some of the most wild and adventure and discovery. Our highly experienced expedition team of naturalists, historians and remote places on our planet. With over 27 years’ experience, our small group voyages allow for destination specialists are passionate and knowledgeable – they are the secret to a fulfilling a truly intimate experience with nature. and successful voyage. Our expeditions push the boundaries with flexible and innovative itineraries, exciting wildlife Whilst we are dedicated to providing a ‘trip of a lifetime’, we are also deeply committed to experiences and fascinating lectures. You’ll share your adventure with a group of like-minded education and preservation of the environment. Our aim is to travel respectfully, creating souls in a relaxed, casual atmosphere while making the most of every opportunity for lifelong ambassadors for the protection of our destinations. DAY 1 | Wednesday 16 January 2019 Ushuaia; Beagle Channel Position: 19:38 hours Course: 106° Wind Speed: 12 knots Barometer: 1006.6 hPa & steady Latitude: 54° 51’ S Speed: 12 knots Wind Direction: W Air Temp: 11°C Longitude: 68° 02’ W Sea Temp: 7°C The land was gone, all but a little streak, away off on the edge of the water, and We explored the decks, ventured down to the dining rooms for tea and coffee, then climbed down under us was just ocean, ocean, ocean—millions of miles of it, heaving up and down the various staircases. Howard then called us together to introduce the Aurora team and give a lifeboat and safety briefing. -
Memoria Antártica Nacional Campaña Antártica 2014-2015 Santiago Diciembre De 2015 Presentación Del Ministro De Relaciones Exteriores
Memoria Antártica Nacional Campaña Antártica 2014-2015 Santiago Diciembre de 2015 Presentación del Ministro de Relaciones Exteriores Sr. Heraldo Muñoz Valenzuela El 16 de diciembre de 2014, el Consejo de Política Antártica, que tengo el honor de presidir, reunido en Punta Arenas, entregó un mandato a las instituciones antárticas nacionales para la elaboración de una Memoria Antártica Nacional. El documento que presentamos, compilación inédita de las tareas que se desarrollan anualmente en ese continente, da cumplimiento a dicho mandato. El quehacer antártico nacional involucra a un amplio espectro de instituciones, las que destinan personas y recursos a la ejecución de las tareas que nuestra legislación les confiere. Cada una de estas entidades cumple un papel fundamental en el logro de los objetivos establecidos en la Política Antártica Nacional, documento rector de nuestros trabajos. El Ministerio de Relaciones Exteriores, en su rol de coordinador de la Política Antártica Nacional, ha enfatizado la difusión hacia la ciudadanía de la labor que las instituciones nacionales realizan en ese continente. Junto con describir de manera general las perspectivas que se abren para los intereses nacionales en este ámbito, este documento resalta los profundos vínculos históricos, geográficos y políticos que desde los inicios de nuestra historia patria nos unen con la Antártica. Al presentar esta primera Memoria Anual, es oportuno recordar el destacado papel de Chile durante las negociaciones del Tratado Antártico, instrumento internacional que cumplirá 55 años de vigencia en 2016, a través de sus delegados Marcial Mora, Enrique Gallardo y Julio Escudero; así como durante la evolución de las cuestiones antárticas en el ámbito multilateral, gracias a figuras como Oscar Pinochet de la Barra y Jorge Berguño. -
Species Status Assessment Emperor Penguin (Aptenodytes Fosteri)
SPECIES STATUS ASSESSMENT EMPEROR PENGUIN (APTENODYTES FOSTERI) Emperor penguin chicks being socialized by male parents at Auster Rookery, 2008. Photo Credit: Gary Miller, Australian Antarctic Program. Version 1.0 December 2020 U.S. Fish and Wildlife Service, Ecological Services Program Branch of Delisting and Foreign Species Falls Church, Virginia Acknowledgements: EXECUTIVE SUMMARY Penguins are flightless birds that are highly adapted for the marine environment. The emperor penguin (Aptenodytes forsteri) is the tallest and heaviest of all living penguin species. Emperors are near the top of the Southern Ocean’s food chain and primarily consume Antarctic silverfish, Antarctic krill, and squid. They are excellent swimmers and can dive to great depths. The average life span of emperor penguin in the wild is 15 to 20 years. Emperor penguins currently breed at 61 colonies located around Antarctica, with the largest colonies in the Ross Sea and Weddell Sea. The total population size is estimated at approximately 270,000–280,000 breeding pairs or 625,000–650,000 total birds. Emperor penguin depends upon stable fast ice throughout their 8–9 month breeding season to complete the rearing of its single chick. They are the only warm-blooded Antarctic species that breeds during the austral winter and therefore uniquely adapted to its environment. Breeding colonies mainly occur on fast ice, close to the coast or closely offshore, and amongst closely packed grounded icebergs that prevent ice breaking out during the breeding season and provide shelter from the wind. Sea ice extent in the Southern Ocean has undergone considerable inter-annual variability over the last 40 years, although with much greater inter-annual variability in the five sectors than for the Southern Ocean as a whole. -
Antarctic Primer
Antarctic Primer By Nigel Sitwell, Tom Ritchie & Gary Miller By Nigel Sitwell, Tom Ritchie & Gary Miller Designed by: Olivia Young, Aurora Expeditions October 2018 Cover image © I.Tortosa Morgan Suite 12, Level 2 35 Buckingham Street Surry Hills, Sydney NSW 2010, Australia To anyone who goes to the Antarctic, there is a tremendous appeal, an unparalleled combination of grandeur, beauty, vastness, loneliness, and malevolence —all of which sound terribly melodramatic — but which truly convey the actual feeling of Antarctica. Where else in the world are all of these descriptions really true? —Captain T.L.M. Sunter, ‘The Antarctic Century Newsletter ANTARCTIC PRIMER 2018 | 3 CONTENTS I. CONSERVING ANTARCTICA Guidance for Visitors to the Antarctic Antarctica’s Historic Heritage South Georgia Biosecurity II. THE PHYSICAL ENVIRONMENT Antarctica The Southern Ocean The Continent Climate Atmospheric Phenomena The Ozone Hole Climate Change Sea Ice The Antarctic Ice Cap Icebergs A Short Glossary of Ice Terms III. THE BIOLOGICAL ENVIRONMENT Life in Antarctica Adapting to the Cold The Kingdom of Krill IV. THE WILDLIFE Antarctic Squids Antarctic Fishes Antarctic Birds Antarctic Seals Antarctic Whales 4 AURORA EXPEDITIONS | Pioneering expedition travel to the heart of nature. CONTENTS V. EXPLORERS AND SCIENTISTS The Exploration of Antarctica The Antarctic Treaty VI. PLACES YOU MAY VISIT South Shetland Islands Antarctic Peninsula Weddell Sea South Orkney Islands South Georgia The Falkland Islands South Sandwich Islands The Historic Ross Sea Sector Commonwealth Bay VII. FURTHER READING VIII. WILDLIFE CHECKLISTS ANTARCTIC PRIMER 2018 | 5 Adélie penguins in the Antarctic Peninsula I. CONSERVING ANTARCTICA Antarctica is the largest wilderness area on earth, a place that must be preserved in its present, virtually pristine state. -
An Overview of Snow Photochemistry: Evidence, Mechanisms and Impacts
Atmos. Chem. Phys., 7, 4329–4373, 2007 www.atmos-chem-phys.net/7/4329/2007/ Atmospheric © Author(s) 2007. This work is licensed Chemistry under a Creative Commons License. and Physics An overview of snow photochemistry: evidence, mechanisms and impacts A. M. Grannas1, A. E. Jones2, J. Dibb3, M. Ammann4, C. Anastasio5, H. J. Beine6, M. Bergin7, J. Bottenheim8, C. S. Boxe9, G. Carver10, G. Chen11, J. H. Crawford11, F. Domine´12, M. M. Frey12,13, M. I. Guzman´ 9,14, D. E. Heard15, D. Helmig16, M. R. Hoffmann9, R. E. Honrath17, L. G. Huey18, M. Hutterli2, H. W. Jacobi19, P. Klan´ 20, B. Lefer29, J. McConnell21, J. Plane15, R. Sander22, J. Savarino12, P. B. Shepson23, W. R. Simpson24, J. R. Sodeau25, R. von Glasow26, 27, R. Weller19, E. W. Wolff2, and T. Zhu28 1Department of Chemistry, Villanova University, Villanova, PA 19085, USA 2British Antarctic Survey, Natural Environment Research Council, Cambridge, CB3 0ET, UK 3Institute for the Study of Earth, Oceans and Space, University of New Hampshire, Durham, NH 03824, USA 4Laboratory for Radio- and Environmental Chemistry, Paul Scherrer Institute, 5232 Villigen, Switzerland 5Department of Land, Air & Water Resources, University of California at Davis, Davis, CA 95616, USA 6Consiglio Nazionale delle Ricerche – Istituto Inquinamento Atmosferico (C.N.R. – I.I.A); Via Salaria Km 29,3; 00016 Monterotondo Scalo, Roma, Italy 7School of Civil and Environmental Engineering and School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332, USA 8Air Quality Research Branch, -
Diesel in Antarctica and a Bibliometric Study on Its Indigenous Microorganisms As Remediation Agent
International Journal of Environmental Research and Public Health Review Diesel in Antarctica and a Bibliometric Study on Its Indigenous Microorganisms as Remediation Agent Rasidnie Razin Wong 1 , Zheng Syuen Lim 1 , Noor Azmi Shaharuddin 1, Azham Zulkharnain 2, Claudio Gomez-Fuentes 3,4 and Siti Aqlima Ahmad 1,4,5,* 1 Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia; [email protected] (R.R.W.); [email protected] (Z.S.L.); [email protected] (N.A.S.) 2 Department of Bioscience and Engineering, Shibaura Institute of Technology, College of Systems Engineering and Science, 307 Fukasaku, Minuma-ku, Saitama 337-8570, Japan; [email protected] 3 Department of Chemical Engineering, Universidad de Magallanes, Avda. Bulnes, Punta Arenas, Región de Magallanes y Antártica Chilena 01855, Chile; [email protected] 4 Center for Research and Antarctic Environmental Monitoring (CIMAA), Universidad de Magallanes, Avda. Bulnes, Punta Arenas, Región de Magallanes y Antártica Chilena 01855, Chile 5 National Antarctic Research Centre, Universiti Malaya B303 Level 3, Block B, IPS Building, Kuala Lumpur 50603, Malaysia * Correspondence: [email protected] Abstract: Diesel acts as a main energy source to complement human activities in Antarctica. However, the increased expedition in Antarctica has threatened the environment as well as its living organisms. While more efforts on the use of renewable energy are being done, most activities in Antarctica still depend heavily on the use of diesel. Diesel contaminants in their natural state are known to be persistent, complex and toxic. The low temperature in Antarctica worsens these issues, making Citation: Wong, R.R.; Lim, Z.S.; pollutants more significantly toxic to their environment and indigenous organisms. -
Antarctic Treaty Handbook
Annex Proposed Renumbering of Antarctic Protected Areas Existing SPA’s Existing Site Proposed Year Annex V No. New Site Management Plan No. Adopted ‘Taylor Rookery 1 101 1992 Rookery Islands 2 102 1992 Ardery Island and Odbert Island 3 103 1992 Sabrina Island 4 104 Beaufort Island 5 105 Cape Crozier [redesignated as SSSI no.4] - - Cape Hallet 7 106 Dion Islands 8 107 Green Island 9 108 Byers Peninsula [redesignated as SSSI no. 6] - - Cape Shireff [redesignated as SSSI no. 32] - - Fildes Peninsula [redesignated as SSSI no.5] - - Moe Island 13 109 1995 Lynch Island 14 110 Southern Powell Island 15 111 1995 Coppermine Peninsula 16 112 Litchfield Island 17 113 North Coronation Island 18 114 Lagotellerie Island 19 115 New College Valley 20 116 1992 Avian Island (was SSSI no. 30) 21 117 ‘Cryptogram Ridge’ 22 118 Forlidas and Davis Valley Ponds 23 119 Pointe-Geologic Archipelago 24 120 1995 Cape Royds 1 121 Arrival Heights 2 122 Barwick Valley 3 123 Cape Crozier (was SPA no. 6) 4 124 Fildes Peninsula (was SPA no. 12) 5 125 Byers Peninsula (was SPA no. 10) 6 126 Haswell Island 7 127 Western Shore of Admiralty Bay 8 128 Rothera Point 9 129 Caughley Beach 10 116 1995 ‘Tramway Ridge’ 11 130 Canada Glacier 12 131 Potter Peninsula 13 132 Existing SPA’s Existing Site Proposed Year Annex V No. New Site Management Plan No. Adopted Harmony Point 14 133 Cierva Point 15 134 North-east Bailey Peninsula 16 135 Clark Peninsula 17 136 North-west White Island 18 137 Linnaeus Terrace 19 138 Biscoe Point 20 139 Parts of Deception Island 21 140 ‘Yukidori Valley’ 22 141 Svarthmaren 23 142 Summit of Mount Melbourne 24 118 ‘Marine Plain’ 25 143 Chile Bay 26 144 Port Foster 27 145 South Bay 28 146 Ablation Point 29 147 Avian Island [redesignated as SPA no. -
1 Inhabiting the Antarctic Jessica O'reilly & Juan Francisco Salazar
Inhabiting the Antarctic Jessica O’Reilly & Juan Francisco Salazar Introduction The Polar Regions are places that are part fantasy and part reality.1 Antarctica was the last continent to be discovered (1819–1820) and the only landmass never inhabited by indigenous people.2 While today thousands of people live and work there at dozens of national bases, Antarctica has eluded the anthropological imagination. In recent years, however, as anthropology has turned its attention to extreme environments, scientific field practices, and ethnographies of global connection and situated globalities, Antarctica has become a fitting space for anthropological analysis and ethnographic research.3 The idea propounded in the Antarctic Treaty System—that Antarctica is a place of science, peace, environmental protection, and international cooperation—is prevalent in contemporary representations of the continent. Today Antarctic images are negotiated within a culture of global environmentalism and international science. Historians, visual artists, and journalists who have spent time in the Antarctic have provided rich accounts of how these principles of global environmentalism and 1 See for instance Adrian Howkins, The Polar Regions: An Environmental History (Cambridge, UK: Polity, 2016). 2 Archaeological records have shown evidence of human occupation of Patagonia and the South American sub-Antarctic region (42˚S to Cape Horn 56˚S) dating back to the Pleistocene–Holocene transition (13,000–8,000 years before present). The first human inhabitants south of 60˚S were British, United States, and Norwegian whalers and sealers who originally settled in Antarctic and sub-Antarctic islands during the early 1800s, often for relatively extended periods of time, though never permanently 3 See for instance Jessica O’Reilly, The Technocratic Antarctic: An Ethnography of Scientific Expertise and Environmental Governance (Ithaca, NY: Cornell University Press, 2017); Juan Francisco Salazar, “Geographies of Place-making in Antarctica: An Ethnographic Approach,” The Polar Journal 3, no. -
Analysis and Prediction of Changes in the Temperature of the Pure Freshwater Ice Column in the Antarctic and the Arctic
Analysis and prediction of changes in the temperature of the pure freshwater ice column in the Antarctic and the Arctic A.A. Fedotov, V.V. Kaniber, P.V. Khrapov Abstract – This paper investigates the initial boundary value problem for a non-stationary one-dimensional heat equation that simulates the temperature distribution in freshwater ice near the Earth's poles. The mathematical model has been constructed taking into account solid-liquid phase transitions. Data from meteorological stations were used to determine the model parameters, with the help of which the necessary physical and thermophysical characteristics of the computational domain were obtained. For the numerical solution of the problem, the finite volume method (FVM) was used. In order to analyze changes in the temperature field of ice and determine the time required to reach a non-stationary periodic regime, graphs of temperature versus depth were plotted for January at two stations. The study of the results showed that it takes about 50 years of modeling with constant initial data for the temperature of an ice layer up to 20 m deep to reach the periodic regime. For the obtained periodic regime, the temperature versus depth dependences for each month were plotted, and the depth of the active layer, as well as the depth of zero annual amplitudes were found for each meteorological station. A forecast of the ice temperature regime for 2100 was modeled for three Representative Concentration Pathway (RCP) scenarios of global warming: moderate RCP2.6, corresponding to the current emissions of RCP7 and adopted at the Paris Agreement in 2015 RCP1.9.