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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. -
95-96 July No. 1
THE ANTARCTICAN SOCIETY 905 NORTH JACKSONVILLE STREET ARLINGTON, VIRGINIA 22205 HONORARY PRESIDENT — MRS. PAUL A. SIPLE ______________________________________________________ Vol. 95-96 July No. 1 Presidents: Dr. Carl R. Eklund, 1959-61 Dr. Paul A. Siple, 1961-62 Mr. Gordon D. Cartwright, 1962-63 Laurence McKinley Gould - "Preeminently a scientist RADM David M. Tyree (Ret.), 1963-64 fascinated by the pursuit of truth and knowledge, Mr. George R. Toney, 1964-65 Mr. Morton J. Rubin, 1965-66 he has the spirit of the scholar, the soul of the Dr. Albert P. Crary, 1966-68 poet and adventurer, and a special ability to com- Dr. Henry M. Dater, 1968-70 Mr.George A.Doumani,1970-71 municate his passion for learning to his students." Dr. William J. L. Sladen, 1971-73 Mr. Peter F. Bermel, 1973-75 Dr. Kenneth J. Bertrand, 1975-77 Mrs. Paul A. Siple, 1977-78 Dr. Paul C. Dalrymple, 1978-80 Dr. Meredith F. Burrill, 1980-82 Dr. Mort D. Turner, 1982-84 Dr. Edward P. Todd, 1984-86 LAURENCE McKINLEY GOULD Mr. Robert H. T. Dodson, 1986-88 Dr. Robert H. Rutford, 1988-90 August 22, 1896 - June 21, 1995 Mr. Guy G. Guthridge, 1990-92 Dr. Polly A. Penhale, 1992-94 Mr. Tony K. Meunier, 1994-96 PAUL-EMILE VICTOR Honorary Members: June 27, 1907 - March 7, 1995 Ambassador Paul C. Daniels Dr. Laurence McKinley Gould Count Emilio Pucci Sir Charles S. Wright Mr. Hugh Blackwell Evans Dr. Henry M. Dater COLLEAGUES AND PEERS WHO PRECEDED LARRY Mr. August Howard Mr. Amory H. "Bud" Waite, Jr. Dr. -
The Faculty, of Which He Was Then President
Carleton Moves CoddentJy Into Its Second Century BY MERRILL E. JARCHOW 1992 CARLETON COLLEGE NORTHFIELD, MINNESOTA Q COPYRIGHT 1992 BY CARLETON COLLEGE, NORTHFIELD, MINNESOTA ALL RIGHTS RESERVED Libray of Congress Curalog Card Number: 92-72408 PRINTED IN THE UNITED STATES OF AMERICA Cover: Old and New: Scoville (1895). Johnson Hall (admissions) / Campus Club (under construction) Contents Foreword ...................................................................................vii Acknowledgements ...................................................................xi 1: The Nason Years ........................................................................1 2: The Swearer Years ....................................................................27 3: The Edwards Years ...................................................................69 4: The Porter Year .......................................................................105 5: The Lewis Years ......................................................................121 Epilogue ..................................................................................155 Appendix .................................................................................157 iii Illustrations President John W . Nason and his wife Elizabeth at the time of Carleton's centennial ..................................................2 Isabella Watson Dormitory ...............................................................4 Student Peace March in 1970 ..........................................................15 -
Past and Future Dynamics of the Brunt Ice Shelf from Seabed Bathymetry and Ice Shelf Geometry
The Cryosphere, 13, 545–556, 2019 https://doi.org/10.5194/tc-13-545-2019 © Author(s) 2019. This work is distributed under the Creative Commons Attribution 4.0 License. Past and future dynamics of the Brunt Ice Shelf from seabed bathymetry and ice shelf geometry Dominic A. Hodgson1,2, Tom A. Jordan1, Jan De Rydt3, Peter T. Fretwell1, Samuel A. Seddon1,4, David Becker5, Kelly A. Hogan1, Andrew M. Smith1, and David G. Vaughan1 1British Antarctic Survey, High Cross, Madingley Road, Cambridge, CB3 0ET, UK 2Department of Geography, Durham University, Durham, DH1 3LE, UK 3Department of Geography and Environmental Sciences, Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne, UK 4Seddon Geophysical Limited, Ipswich, UK 5Physical and Satellite Geodesy, Technische Universitaet Darmstadt, Franziska-Braun-Str. 7, 64287 Darmstadt, Germany Correspondence: Dominic A. Hodgson ([email protected]) Received: 18 September 2018 – Discussion started: 28 September 2018 Revised: 10 January 2019 – Accepted: 25 January 2019 – Published: 14 February 2019 Abstract. The recent rapid growth of rifts in the Brunt Ice expected calving event causes full or partial loss of contact Shelf appears to signal the onset of its largest calving event with the bed and whether the subsequent response causes re- since records began in 1915. The aim of this study is to de- grounding within a predictable period or a loss of structural termine whether this calving event will lead to a new steady integrity resulting from properties inherited at the grounding state in which the Brunt Ice Shelf remains in contact with the line. bed, or an unpinning from the bed, which could predispose it to accelerated flow or possible break-up. -
BAS Science Summaries 2018-2019 Antarctic Field Season
BAS Science Summaries 2018-2019 Antarctic field season BAS Science Summaries 2018-2019 Antarctic field season Introduction This booklet contains the project summaries of field, station and ship-based science that the British Antarctic Survey (BAS) is supporting during the forthcoming 2018/19 Antarctic field season. I think it demonstrates once again the breadth and scale of the science that BAS undertakes and supports. For more detailed information about individual projects please contact the Principal Investigators. There is no doubt that 2018/19 is another challenging field season, and it’s one in which the key focus is on the West Antarctic Ice Sheet (WAIS) and how this has changed in the past, and may change in the future. Three projects, all logistically big in their scale, are BEAMISH, Thwaites and WACSWAIN. They will advance our understanding of the fragility and complexity of the WAIS and how the ice sheets are responding to environmental change, and contributing to global sea-level rise. Please note that only the PIs and field personnel have been listed in this document. PIs appear in capitals and in brackets if they are not present on site, and Field Guides are indicated with an asterisk. Non-BAS personnel are shown in blue. A full list of non-BAS personnel and their affiliated organisations is shown in the Appendix. My thanks to the authors for their contributions, to MAGIC for the field sites map, and to Elaine Fitzcharles and Ali Massey for collating all the material together. Thanks also to members of the Communications Team for the editing and production of this handy summary. -
CONFERENCE PROGRAM ASLO RETURNS to the BIG EASY! Held at Ernest N
ASLO 2013 AQUATIC SCIENCES MEETING 17-22 FEBRUARY 2013 · NEW ORLEANS · LOUISIANA CONFERENCE PROGRAM ASLO RETURNS TO THE BIG EASY! Held at Ernest N. Morial Convention Center under the Sponsored by the Association for the theme “Learning for the Future,” this meeting will bring Sciences of Limnology and Oceanography together scientists, engineers, students, educators, policy makers and other stakeholders to learn from the past and look to the future of aquatic sciences. PLEASE VISIT ASLO.ORG/NEWORLEANS2013 FOR UP-TO-DATE INFORMATION Meeting Program ASLO CONTENTS About the Sponsor ................................................................................................... 2 S-Factor 3 (Film Analysis Workshop) - Part I ................................................................16 2013 Aquatic Sciences Meeting Organizers ....................................................... 2 SNAP IT UP: Advice from Hollywood for Short Presentations ................................16 Co-Chairs .................................................................................................................................2 L&O e-Lectures Town Hall: An Effective Approach Scientific Committee .............................................................................................................2 for Addressing Broader Impacts .......................................................................................16 Local Committee ....................................................................................................................2 -
Past Ice Sheet-Seabed Interactions in the Northeastern Weddell Sea Embayment, Antarctica Jan Erik Arndt1,2, Robert D
Past ice sheet-seabed interactions in the northeastern Weddell Sea Embayment, Antarctica Jan Erik Arndt1,2, Robert D. Larter2, Claus-Dieter Hillenbrand2, Simon H. Sørli3, Matthias Forwick3, James A. Smith2, Lukas Wacker4 5 1Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, 27570 Bremerhaven, Germany 2British Antarctic Survey, High Cross, Madingley Road, Cambridge CB3 0ET, United Kingdom 3Department of Geosciences, UiT The Arctic University of Norway, Postboks 6050 Langnes, N-9037 Tromsø, Norway 4ETH Zürich, Laboratory of Ion Beam Physics, Schafmattstrasse 20, CH-8093 Zurich, Switzerland 10 Correspondence to: Jan Erik Arndt ([email protected]) Abstract. The Antarctic Ice Sheet extent in the Weddell Sea Embayment (WSE) during the Last Glacial Maximum (LGM; ca. 19-25 calibrated kiloyears before present, cal. ka BP) and its subsequent retreat from the shelf are poorly constrained, with two conflicting scenarios being discussed. Today, the modern Brunt Ice Shelf, the last remaining ice shelf in the northeastern WSE, is only pinned at a single location and recent crevasse development may lead to its rapid disintegration in the near future. We 15 investigated the seafloor morphology on the northeastern WSE shelf and discuss its implications, in combination with marine geological records, for reconstructions of the past behaviour of this sector of the East Antarctic Ice Sheet (EAIS), including ice-seafloor interactions. Our data show that an ice stream flowed through Stancomb-Wills Trough and acted as the main conduit for EAIS drainage during the LGM in this sector. Post-LGM ice-stream retreat occurred stepwise, with at least three documented grounding line still stands, and the trough had become free of grounded ice by ~10.5 cal. -
Collection of Radio Series Scripts, Ca
http://oac.cdlib.org/findaid/ark:/13030/c8dj5hrq No online items Collection of radio series scripts, ca. 1933-1980, bulk ca. 1940-1959 Processed by Library Special Collections staff; machine-readable finding aid created by Caroline Cubé. UCLA Library Special Collections Room A1713, Charles E. Young Research Library Box 951575 Los Angeles, CA, 90095-1575 (310) 825-4988 [email protected] ©2014 The Regents of the University of California. All rights reserved. Collection of radio series scripts, PASC 135 1 ca. 1933-1980, bulk ca. 1940-1959 Title: Collection of radio series scripts Collection number: PASC 135 Contributing Institution: UCLA Library Special Collections Language of Material: English Physical Description: 16.5 linear ft.(33 boxes) Date (bulk): Bulk, 1935-1964 Date (inclusive): ca. 1933-1980 (bulk ca. 1940-1959 Abstract: Collection consists of American radio series scripts including over 143 titles. Physical location: Stored off-site at SRLF. Advance notice is required for access to the collection. Please contact UCLA Library Special Collections for paging information. Restrictions on Access Open for research. STORED OFF-SITE AT SRLF. Advance notice is required for access to the collection. Please contact UCLA Library Special Collections for paging information. Restrictions on Use and Reproduction Property rights to the physical object belong to the UC Regents. Literary rights, including copyright, are retained by the creators and their heirs. It is the responsibility of the researcher to determine who holds the copyright and pursue the copyright owner or his or her heir for permission to publish where The UC Regents do not hold the copyright. -
PRESS RELEASE Iceberg A-74 Calves from the Brunt Ice Shelf In
U.S. National Ice Center NOAA Satellite Operations Facility 4231 Suitland Road Suitland, MD 20746 PRESS RELEASE FOR IMMEDIATE RELEASE Contact: LT Falon Essary, NOAA [email protected] 301-817-3934 Iceberg A-74 Calves from the Brunt Ice Shelf in the Weddell Sea 01MAR20201, Suitland, MD — The U.S. National Ice Center (USNIC) has confirmed A-74 has calved from the north facing side of the Brunt Ice Shelf. The much anticipated break was first reported on the 26th of February by GPS equipment, but not confirmed until 27th of February via Sentinel-1A imagery. As of the 28th of February, the new iceberg A-74 was located at 75° 13' South, 25° 41' West and measures 30 nautical miles on its longest axis and 18 nautical miles on its widest axis. The western part of the shelf which was first identified as the next potential large iceberg to calve from Brunt due to several large crevasses running through it remains intact. A-74 was first reported by the British Antarctic Survey, and confirmed by USNIC Ice Analyst Christopher Readinger using the Sentinel-1A image shown below. Iceberg names are derived from the Antarctic quadrant in which they were originally sighted. The quadrants are divided counter-clockwise in the following manner: A = 0-90W (Bellingshausen/Weddell Sea) C = 180-90E (Western Ross Sea/Wilkesland) B = 90W-180 (Amundsen/Eastern Ross Sea) D = 90E-0 (Amery/Eastern Weddell Sea) When first sighted, an iceberg’s point of origin is documented by USNIC. The letter of the quadrant, along with a sequential number, is assigned to the iceberg. -
Draft Comprehensive Environmental Evaluation
Proposed Construction and Operation of a New Chinese Research Station, Victoria Land, Antarctica DRAFT COMPREHENSIVE ENVIRONMENTAL EVALUATION January 2014 Polar Research Institute of China Tongji University Contents CONTACT DETAILS ..................................................................................................................... 1 NON-TECHNICAL SUMMARY .................................................................................................. 2 1. Introduction ............................................................................................................................. 9 1.1 Purpose of a new station in Victoria Land................................................................................................... 9 1.2 History of Chinese Antarctic activities ...................................................................................................... 13 1.3 Scientific programs for the new station ..................................................................................................... 18 1.4 Preparation and submission of the Draft CEE ........................................................................................... 22 1.5 Laws, standards and guidelines ................................................................................................................. 22 1.5.1 International laws, standards and guidelines ................................................................................. 23 1.5.2. Chinese laws, standards and guidelines ...................................................................................... -
THE ANTARCTICAN SOCIETY C/O R
THE ANTARCTICAN SOCIETY c/o R. J. Siple 905 North Jacksonville Street Arlington, Virginia 22205 HONORARY PRESIDENT — AMBASSADOR PAUL C. DANIELS Presidents: Dr. Carl R. Eldund, 1959-61 _________________________________________________________ Dr. Paul A. Siple, 1961-2 Mr. Gordon D. Cartwright, 1962-3 Vol. 81-82 October No. 2 RADM David M. Tyree (Ret), 1963-4 Mr. George R. Toney, 1964-5 Mr. Morton J. Rubin, 1965-6 Dr. Albert F. Crary, 1966-8 The Antarctican Society is proud to announce that Dr. Henry M. Dater, 1968-70 Mr. George A. Doumani, 1970-1 its Centennial Lecture Dr. William J. L. Sladen, 1971-i Mr. Peter F. Bermel, 1973-5 will be Dr. Kenneth J. Bertrand. 1975-7 Mrs. Paul A. Siple, 1977-8 Dr. Paul C. Dalrymple, 1978-80 "A TALE OF TWO PROJECTS: RADIOACTIVITY AND SOLAR ACTIVITY" Dr. Meredith F. Burrill, 1980-82 by Dr. Gisela Dreschhoff Associate Director, Radiation Physics Laboratory Honorary Members: Ambassador Paul C. Daniels University of Kansas Dr. Laurence McKinley Gould Count Emilio Pucci and Sir Charles S. Wright Mr. Hugh Blackwell Evans Annual Homing Austral Summer Antarctican, 1976-1981 Dr. Henry M. Dater Mr. August Howard on Memorial Lecturers: Thursday, November 12, 1981 Dr. William J. L. Sladen, 1964 RADM David M. Tyree (Ret). 1965 Dr. Roger Tory Peterson, 1966 8 p.m. Dr. J. Campbell Craddock, 1967 Mr. James Pranke, 1968 Dr. Henry M. Dater, 1970 National Science Foundation Mr. Peter M. Scott, 1971 Dr. Frank T. Davies, 1972 18th & G Streets, N.W. Mr. Scott McVay, 1973 Room 540 Mr. Joseph O. Fletcher. -
American Heritage Center
UNIVERSITY OF WYOMING AMERICAN HERITAGE CENTER GUIDE TO ENTERTAINMENT INDUSTRY RESOURCES Child actress Mary Jane Irving with Bessie Barriscale and Ben Alexander in the 1918 silent film Heart of Rachel. Mary Jane Irving papers, American Heritage Center. Compiled by D. Claudia Thompson and Shaun A. Hayes 2009 PREFACE When the University of Wyoming began collecting the papers of national entertainment figures in the 1970s, it was one of only a handful of repositories actively engaged in the field. Business and industry, science, family history, even print literature were all recognized as legitimate fields of study while prejudice remained against mere entertainment as a source of scholarship. There are two arguments to be made against this narrow vision. In the first place, entertainment is very much an industry. It employs thousands. It requires vast capital expenditure, and it lives or dies on profit. In the second place, popular culture is more universal than any other field. Each individual’s experience is unique, but one common thread running throughout humanity is the desire to be taken out of ourselves, to share with our neighbors some story of humor or adventure. This is the basis for entertainment. The Entertainment Industry collections at the American Heritage Center focus on the twentieth century. During the twentieth century, entertainment in the United States changed radically due to advances in communications technology. The development of radio made it possible for the first time for people on both coasts to listen to a performance simultaneously. The delivery of entertainment thus became immensely cheaper and, at the same time, the fame of individual performers grew.