DOCSLIB.ORG

Arcticnet 2011 Expedition of the CCGS Amundsen

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Arcticnet 2011 Expedition of the CCGS Amundsen ArcticNet 2011 Expedition of the CCGS Amundsen Data Report – Leg 2A (ArcticNet/IORVL) 11-25 August, 2011 Principle Investigators : Dr. David G. Barber Dr. Tim Papakyriakou Dr. Simon Prinsenberg Report prepared by : Matthew G. Asplin and Randall Scharien Table of Contents Executive Summary .......................................................................................................................................................... 3 ArcticNet 2011 Data Use Policy .................................................................................................................................... 4 Acknowledgements ........................................................................................................................................................... 5 List of Tables ....................................................................................................................................................................... 6 List of Figures ...................................................................................................................................................................... 7 SECTION ONE: INTRODUCTION .................................................................................................................................... 11 1.1 Preface ................................................................................................................................................................................................... 12 1.2 The Sea Ice Team .............................................................................................................................................................................. 15 1.3 Data Report Outline ......................................................................................................................................................................... 16 SECTION TWO: CRUISE SUMMARY .............................................................................................................................. 17 2.1 Introduction ........................................................................................................................................................................................ 18 2.2 Science Berths and Personnel ..................................................................................................................................................... 21 SECTION THREE: OCEAN DATA .................................................................................................................................... 22 3.1 Under­Ice Physical Observations ............................................................................................................................................... 23 3.1.1 Introduction .................................................................................................................................................................... 23 3.1.2 Methods ............................................................................................................................................................................ 23 3.1.3 Data and Data Visualizations ................................................................................................................................... 25 3.2 Ocean Conductivity­Temperature­Density (CTD) Profiles ............................................................................................ 32 3.2.1 Instrumentation ............................................................................................................................................................ 32 3.2.2 Data Summary................................................................................................................................................................ 34 3.3 Ocean Surface Roughness ............................................................................................................................................................. 36 3.3.1 Instrumentation: Meteorological Ocean Buoy .................................................................................................. 36 3.3.2 Data Summary................................................................................................................................................................ 37 3.3.2 Data Visualizations ....................................................................................................................................................... 38 SECTION FOUR: SEA ICE DATA ..................................................................................................................................... 39 4.1 Helicopter Electromagnetic Induction System Sea Ice Thickness Surveys ........................................................... 40 4.1.1 Survey Area ..................................................................................................................................................................... 40 4.1.2 Instrumentation ............................................................................................................................................................ 42 4.1.3 Survey Description ....................................................................................................................................................... 45 4.1.4 Data Samples (Ice floes B1.S1 and B1.S2) .......................................................................................................... 49 4.1.5 Data Samples (Regional sampling) ........................................................................................................................ 59 4.1.6 Conclusions ..................................................................................................................................................................... 65 4.1.7 Data Summary................................................................................................................................................................ 68 4.2 Surface Electromagnetic Induction System Sea Ice Thickness Surveys ................................................................... 70 4.2.1 Introduction .................................................................................................................................................................... 70 4.2.2 Data Summary................................................................................................................................................................ 70 4.3 Aerial Photographic Surveys ....................................................................................................................................................... 76 4.3.1 B1S1 ................................................................................................................................................................................... 76 4.3.2 B1S2 ................................................................................................................................................................................... 76 4.3.3: Data Summary .............................................................................................................................................................. 79 4.4 LiDAR Sea Ice Surface Surveys.................................................................................................................................................... 80 4.4.1 Rationale .......................................................................................................................................................................... 80 4.4.2 Technical Specifications of LiDAR System ......................................................................................................... 80 4.4.3 Methods ............................................................................................................................................................................ 80 4.4.4 Data Summary................................................................................................................................................................ 83 ArcticNet 2011 Expedition of the CCGS Amundsen : Data Report 1 4.5 Active Microwave Measurements (C­Band Scatterometer) .......................................................................................... 85 4.5.1 Instrumentation: C‐Band Scatterometer ............................................................................................................ 85 4.5.2 C‐Band Polarimetric Scattering .............................................................................................................................. 86 4.5.3 Scatterometer Data Summary ................................................................................................................................. 88 4.5.4 Data Visualizations ....................................................................................................................................................... 90 4.6 Sea Ice Physical Sampling (Ice Cores) ..................................................................................................................................... 91 4.6.1 Methodology ................................................................................................................................................................... 91 4.6.2 Physical Sampling Data Summary ........................................................................................................................
Load more

Recommended publications
  • Transits of the Northwest Passage to End of the 2019 Navigation Season Atlantic Ocean ↔ Arctic Ocean ↔ Pacific Ocean
    TRANSITS OF THE NORTHWEST PASSAGE TO END OF THE 2019 NAVIGATION SEASON ATLANTIC OCEAN ↔ ARCTIC OCEAN ↔ PACIFIC OCEAN R. K. Headland and colleagues 12 December 2019 Scott Polar Research Institute, University of Cambridge, Lensfield Road, Cambridge, United Kingdom, CB2 1ER. <[email protected]> The earliest traverse of the Northwest Passage was completed in 1853 but used sledges over the sea ice of the central part of Parry Channel. Subsequently the following 314 complete maritime transits of the Northwest Passage have been made to the end of the 2019 navigation season, before winter began and the passage froze. These transits proceed to or from the Atlantic Ocean (Labrador Sea) in or out of the eastern approaches to the Canadian Arctic archipelago (Lancaster Sound or Foxe Basin) then the western approaches (McClure Strait or Amundsen Gulf), across the Beaufort Sea and Chukchi Sea of the Arctic Ocean, through the Bering Strait, from or to the Bering Sea of the Pacific Ocean. The Arctic Circle is crossed near the beginning and the end of all transits except those to or from the central or northern coast of west Greenland. The routes and directions are indicated. Details of submarine transits are not included because only two have been reported (1960 USS Sea Dragon, Capt. George Peabody Steele, westbound on route 1 and 1962 USS Skate, Capt. Joseph Lawrence Skoog, eastbound on route 1). Seven routes have been used for transits of the Northwest Passage with some minor variations (for example through Pond Inlet and Navy Board Inlet) and two composite courses in summers when ice was minimal (transits 149 and 167).
    [Show full text]
  • CCGS Amundsen Arctic Multibeam Data Collection and Processing
    CCGS AMUNDSEN ARCTIC MULTIBEAM DATA COLLECTION AND PROCESSING PAST, PRESENT AND FUTURE Ian Church, Gabriel Joyal, Daniel Amirault, Patrick Lajeunese, John Hughes Clarke, Jonathan Beaudoin, Jason Bartlett Category Zone of Confidence (CATZOC) 2014: Nunavik in the Canadian Arctic CATZOC A = 6% Improving2016: Africaborg CATZOC B = 6% Coverage CATZOC C = 36% in the Arctic CATZOC U = 52% 2011 – 2016 Ship Traffic 2017: Atlanticborg Government of Canada Arctic Voyage Planning Guide http://fgp-pgf.maps.arcgis.com/apps/webappviewer/index.html?id=b9b2696128cd4dc1bbdd2516f8763bb5 http://www.arcticcorridors.ca The Northwest Passage: A Magnet for Marine Adventures CCGS • EM302 (30kHz) with Watercolumn Imaging Amundsen EM302 Multibeam Since 2003 K320BR Sub-bottom POSMv 320 IMU CNav & POSMv Antennas MVP-300 Acquisition Room 7m 4 Transit Mapping 2003 2004 2005 2006 2007 2008 ~230,000 Nautical Miles of Multibeam and Sub-Bottom Echosounder Data ~230,000 km2 of MBES Coverage 20 m 1800 m Dedicated Mapping • In 2 Years: > 12000 km2 • Beaufort Sea Oil and Gas Industry Partnerships Collaboration with the Canadian Coast Guard Clipper Adventurer Cruise Ship Rescue Result: Mapping Uncharted Areas & Improved Safety of Navigation Eclipse Sound Search and Rescue Result: Improved Geological understanding of Eclipse Sound ~1400km2 Data Processing Challenges What we want: Turn on logging at the beginning of the season, turn off at the end Challenges: • Building Coverage During Transit • No Sound Speed Profiles • No Tide Gauges • Processing – Data → Information • Man-Power to Operate 24/7 9 Transit Mapping • Communicating coverage to the Bridge • Near real-time update of mapping coverage to ensure ➢Tides: • Limited Tide Gauge Network • Hydrodynamic Models ➢Sound Speed Overcoming the • Ocean Climatologies Limitations of Transit Mapping11 Qimera Ocean Mapping Live… Research Incubator • Solving Challenges – Automated “Live” Processing • Innovation – Error Minimization & Data Distribution • Training and Mentorship • Collaboration – Understanding user needs Student Training UNB, U.
    [Show full text]
  • Canadian Coast Guard Arctic Operations Julie Gascon - Assistant Commissioner Canadian Coast Guard, Central & Arctic Region
    Unclassified Canadian Coast Guard Arctic Operations Julie Gascon - Assistant Commissioner Canadian Coast Guard, Central & Arctic Region Naval Association of Canada Ottawa, ON May 1, 2017 1 Canadian Coast Guard (CCG): Who We Are and What We Do Operating as Canada’s only Deliver programs and services to the national civilian fleet, we population to ensure safe and accessible provide a wide variety of waterways and to facilitate maritime programs and services to commerce; the population and to the maritime industry on important levels: Provide vessels and helicopters to enable fisheries enforcement activities, and the on-water science research for Fisheries and Oceans Canada and other science departments; and Support maritime security activities. 2 Canadian Coast Guard: Regional Boundaries • Western Region: Pacific Ocean, Great Slave Lake, Mackenzie River and Lake Winnipeg • Central & Arctic Region: Hudson Bay, Great Lakes, St. Lawrence River, Gulf of St. Lawrence (Northern Area), and Arctic Ocean • Atlantic Region : Atlantic Ocean, Gulf of St. Lawrence (Southern Area), and Bay of Fundy 3 Central and Arctic Region: Fact Sheet The Central and Arctic Region covers: - St. Lawrence River, Gulf of St. Lawrence (Northern Area), Great Lakes, Hudson Bay and the Arctic coast up to Alaska - Population of approx 21.5 million inhabitants - Nearly 3,000,000 km2 of water area • A regional office and 10 operational bases • 39 vessels • 15 SAR lifeboat stations • 12 inshore rescue stations • air cushion vehicles 2 Nunavut • 8 helicopters • 4,627 floating aids • 2,191 fixed aids • 5 MCTS centres Quebec Ontario Quebec Base Montreal, Quebec Sarnia Office 4 Presentation Overview The purpose of this presentation is to: 1.
    [Show full text]
  • CCGS Amundsen Leg-1 Cruise Report -Bay-Wide Survey of Hudson Bay
    CCGS Amundsen Leg-1 Cruise Report -Bay-wide Survey of Hudson Bay- On-ice operations from the CCGS Amundsen. A six week bay-wide survey of Hudson Bay from May 25th to July 5th, 2018. The 40 scientists on board successfully sampled and surveyed 123 stations, both planned and opportunistic, across parts of the northern, western, central, and southern parts of the Bay. These stations included open water and on-ice sampling, as well as operations conducted via Amundsen helicopter, zodiac and barge vessels. Table of Contents List of Tables .................................................................................................................................. 4 Leg 1 Chief Scientist Report ........................................................................................................... 5 Summary ..................................................................................................................................... 5 Community Visits and the Knowledge Exchange Workshop..................................................... 7 Leg 2a BaySys Component ......................................................................................................... 8 BaySys Team 1 ............................................................................................................................. 11 Climate and Marine System - Sea Ice ....................................................................................... 11 Mooring Operations in Hudson Bay ........................................................................................
    [Show full text]
  • Transits of the Northwest Passage to End of the 2020 Navigation Season Atlantic Ocean ↔ Arctic Ocean ↔ Pacific Ocean
    TRANSITS OF THE NORTHWEST PASSAGE TO END OF THE 2020 NAVIGATION SEASON ATLANTIC OCEAN ↔ ARCTIC OCEAN ↔ PACIFIC OCEAN R. K. Headland and colleagues 7 April 2021 Scott Polar Research Institute, University of Cambridge, Lensfield Road, Cambridge, United Kingdom, CB2 1ER. <[email protected]> The earliest traverse of the Northwest Passage was completed in 1853 starting in the Pacific Ocean to reach the Atlantic Oceam, but used sledges over the sea ice of the central part of Parry Channel. Subsequently the following 319 complete maritime transits of the Northwest Passage have been made to the end of the 2020 navigation season, before winter began and the passage froze. These transits proceed to or from the Atlantic Ocean (Labrador Sea) in or out of the eastern approaches to the Canadian Arctic archipelago (Lancaster Sound or Foxe Basin) then the western approaches (McClure Strait or Amundsen Gulf), across the Beaufort Sea and Chukchi Sea of the Arctic Ocean, through the Bering Strait, from or to the Bering Sea of the Pacific Ocean. The Arctic Circle is crossed near the beginning and the end of all transits except those to or from the central or northern coast of west Greenland. The routes and directions are indicated. Details of submarine transits are not included because only two have been reported (1960 USS Sea Dragon, Capt. George Peabody Steele, westbound on route 1 and 1962 USS Skate, Capt. Joseph Lawrence Skoog, eastbound on route 1). Seven routes have been used for transits of the Northwest Passage with some minor variations (for example through Pond Inlet and Navy Board Inlet) and two composite courses in summers when ice was minimal (marked ‘cp’).
    [Show full text]
  • Unfrozen Sea: Sailing the Northwest Passage
    UNFROZEN SEA: SAILING THE NORTHWEST PASSAGE Michael Byers In late October 2006, Michael Byers travelled through Bellot Strait in the Canadian North, on the the first ship ever to do so in October. “We were 700 kilometres north of the Artic Circle“ he writes, “but there was no ice.” The shrinking sea of Canada’s Arctic region poses challenges both for the ecosystem and for animals such as the polar bear, as well as for Canada’s claims of Arctic sovereignty over disputed waters such as the Northwest Passage. Where explorers once died in search of the “Arctic Grail,” a northern route from Europe to Asia, the Northwest Passage is now open water in the summer. “In March 2006,” writes Byers, “the area covered during the winter by sea-ice was at an all-time low: 300,000 square kilometres less than the previous year. At this rate the Arctic could lose all its sea-ice by 2030.” Fin octobre 2006, Michael Byers s’est rendu dans le Nord canadien par le détroit de Bellot, à bord du premier bateau à faire cette traversée en octobre. « Nous étions à 700 kilomètres au nord du cercle arctique et il n’y avait pas de glace », écrit-il. Le retrait de la mer dans la région arctique du Canada constitue un défi pour l’écosystème et les populations animales, notamment les ours polaires, mais aussi pour la souveraineté revendiquée par notre pays sur des eaux contestées comme celles du passage du Nord- Ouest. Là où sont morts des explorateurs en quête du « Graal arctique » — une route du Nord entre l’Europe et l’Asie —, ce passage est devenu en été une étendue d’eau libre.
    [Show full text]
  • Anàlisi Dels Efectes Del Canvi Climàtic a Les Rutes Marítimes Polars
    Anàlisi dels efectes del canvi climàtic a les Rutes Marítimes Polars Treball Final de Grau Facultat de Nàutica de Barcelona Universitat Politècnica de Catalunya Treball realitzat per: Daniel Valiente Lecina Dirigit per: Xavier Martínez de Oses Grau en Nàutica i Transports Marítims Barcelona, data 01 de juny de 2018 Departament de Ciència i Enginyeria Nàutica Anàlisi dels efectes del canvi climàtic a les Rutes Marítimes Polars i Anàlisi dels efectes del canvi climàtic a les Rutes Marítimes Polars ii Anàlisi dels efectes del canvi climàtic a les Rutes Marítimes Polars Agraïments Aquest treball ha estat un repte per a mi després d’uns anys molt durs a la meva família. És per això que vull agrair a la meva mare tot el que ha fet per mi d’ençà que vaig néixer, i sobretot els últims dos anys, on no ha sigut fàcil seguir endavant amb les nostres responsabilitats. També vull agrair al meu pare Ramón que avui ja no és amb nosaltres, però si he dut a terme aquest treball i aquesta titulació de grau ha sigut per ell. Així doncs, ell ha sigut una gran influència per a mi i l’esforç realitzat en aquest treball és el resultat de tot el que m’ha ensenyat ell durant la seva vida. De la mateixa manera, agrair al meu tutor Xavier Martínez de Oses, per ser tan atent. Sempre que l’he necessitat m’ha ajudat a tirar endavant el treball. iii Anàlisi dels efectes del canvi climàtic a les Rutes Marítimes Polars iv Anàlisi dels efectes del canvi climàtic a les Rutes Marítimes Polars Resum L’objectiu d’aquest treball és estudiar l’efecte del canvi climàtic a les rutes marítimes polars, i en conseqüència, la viabilitat d’aquestes com a rutes estables de trànsit de vaixells per a la comercialització internacional utilitzant La Ruta Marítima del Nord (Europa i Àsia), el Pas del Nord-Oest (Oceà Atlàntic i Oceà Pacífic) i la Ruta Transpolar.
    [Show full text]
  • Ccgs Amundsen
    CCGS AMUNDSEN Official Number: 383347 Call Sign: CGDT VESSEL SPECIFICATIONS ENGINEERING Length : 98.2 m Maximum Spd : 16.0 Propulsion: Diesel electric AC/DC Breadth : 19.5 m Fresh Water : 135.00 m³ Propulsion Desc.: (6) x Alco - M251F Draft : 7.2 m Fuel Capacity : 2471.00 m³ Power : 10142 kw Freeboard : 3.7 m Fuel Consumption : 23.00 m³/d Propellers: (2) x Fixed Pitch Gross Tonnage : 5911.0 t Ice Class: Arctic Class 3 Thrusters: Bow: Yes Stern: No Net Tonnage : 1678.8 t Class of Voyage: Unlimited - beyond Emer.Gen Set: (1) x Caterpillar - 398 2000nm Generators: (3) x MTU - 8V4000M Cruising Range : 35000 nm MARPOL: Yes Endurance : 100 d IMO : 7510846 Cruise Spd : 14.0 kts GENERAL OPERATION AND CREWING CONSTRUCTION DETAILS HELICOPTER FACILITIES Vessel Class : Medium Icebreaker Builder : Burrard Dry Dock Co. Ltd. Helo Capacity : 1 Port of Registry : Ont. - Ottawa Build Material : Steel Type 1 : MBB - Bo105 Home Region : Central and Arctic Ownership : Canadian Coast Guard Type 2 : Bell - 206B Home Port : Que. - Québec Year Launched : 1979 Type 3 : Bell - 206L Vessel Status : Active Year in Service : 1979 Type 4 : NA Complement : 31 Year Disposed : NA Flight Deck : Yes Area : 229.0 m² Officers : 11 Hangar : Yes Area : 99.0 m² Crew : 20 Storage : Yes Fuel : 3.0 m³ Berths Available : 51 Crewing Regime : Layday DECK EQUIPMENT COMMS AND NAVIGATION EQUIPMENT Main Hoist : Hepburn 75M-0526 SWL : 8.0 t VHF AM: (1) x Icom - L Crane 1 : Hepburn 75M-0526 SWL : 8.0 t VHF FM: (3) x Sailor - RT-5022 Elec. Charts: (1) x ICAN Aldebaran II Hepburn 75M-0526
    [Show full text]
  • Canadian Research Icebreaker CCGS Amundsen Platform Outcome Measurement Study (POMS) Report
    Canadian Research Icebreaker CCGS Amundsen Platform Outcome Measurement Study (POMS) report Report prepared for the Canada Foundation for Innovation Expert Panel Version Modified for Web November 2014 Canadian Research Icebreaker Amundsen Platform Outcome Measurement Study Table of Contents 1. Overview of the Research Platform 2 1.1 High level description of the research platform 2 1.2 Governance, management and advisory structure 4 1.3 Platform planning process 6 2. Research Capacity 9 2.1 Capital investment value 10 2.2 Resources and services of the Platform 11 2.3 Platform development and sustainability 15 2.4 Structuring effect on the Canadian research ecosystem 17 2.5 Contributions to the training of students and postdoctoral fellows 19 3. Research Enabled 21 3.1 Access and usage 21 3.2 Linkages 23 3.3 Research contributions 25 3.4 Leadership and competitiveness 28 4. Extrinsic Benefits - Impact on Local, Regional, and National Innovation 34 4.1 Mechanisms and strategies for fostering knowledge transfer 34 4.2 Partnerships with external end-users 37 4.4 Benefits from knowledge translation and transfer 38 5. Role of the Canada Foundation for Innovation 41 Appendix 1. Acronyms, abbreviations and their meanings 43 Appendix 2. Amundsen Board of Directors. 45 Appendix 3. List of researchers that have benefited from the platform 46 Appendix 4. Scientist-Days at Sea 48 1 Canadian Research Icebreaker Amundsen Platform Outcome Measurement Study 1. Overview of the Research Platform The Research Platform consists of the scientific icebreaker Amundsen and its pool of specialized scientific equipment. The 98-m long, 7000-ton displacement icebreaker was mobilized for science in 2003 thanks to an International Joint Venture Fund (IJVF*) grant from the Canada Foundation for Innovation (CFI).
    [Show full text]
  • National Report Canada
    Canadian Hydrographic Service 10th Meeting of the Arctic Regional Hydrographic Commission National Report of CANADA Virtual meeting hosted by the USA 13-14 August 2020 Dr. Geneviève Béchard, Hydrographer General of Canada Canadian Hydrographic Service Organization Update • All CHS executive positions now staffed: York Friesen appointed Director, CHS Atlantic in February, Dave Prince retired and Mark Leblanc replaced him as Director, CHS Pacific in March. • Chris Marshall, CHS Director of Ontario, Prairie and Arctic region and Major Peter McRae from National Defense are new members of the Canadian delegation to ARHC. • CHS Ottawa office stabilized its organizational structure in January 2020, realigning functions under Louis Maltais for navigational products and services and Chris Hemmingway for hydrography in support of the blue economy. • CHS launched a 10-year digital transformation, with early action focused on its databases. • CHS is in year 4 of the 5-year Oceans Protection Plan (OPP); OPP has supported significant progress on the Arctic front. • The Marine Spatial Data Infrastructure went live in late 2019: https://open.canada.ca/data/en/dataset/97ab458b-44b2-4cb4-8e06-8351e1c745b3 • A S-100 federal government working group was established to bring together all agencies involved in S-100 implementation. 2 Canadian Hydrographic Service Status of Hydrographic Surveys in the Canadian Arctic In light of the global pandemic, CHS and our partners recognised the critical nature of CHS’ Arctic program and how it links directly to the essential services delivered in the Arctic by the broader Department and Government of Canada. 3 Canadian Hydrographic Service All About Capacity • CCGS Amundsen MBES operational since 2003 • Bathymetric data from CCGS Amundsen represents >50% of all of CHS’ modern hydrography in the Arctic.
    [Show full text]
  • 2.6 Πλοία Παγοθραυστικά Και Πλοία Ιce-Class
    ΠΑΝΕΠΙΣΤΗΜΙΟ ΑΙΓΑΙΟΥ ΣΧΟΛΗ ΕΠΙΣΤΗΜΩΝ ΔΙΟΙΚΗΣΗΣ ΤΜΗΜΑ ΝΑΥΤΙΛΙΑΣ ΚΑΙ ΕΠΙΧΕΙΡΗΜΑΤΙΚΩΝ ΥΠΗΡΕΣΙΩΝ «Οι επιπτώσεις από το άνοιγμα του Βορειοδυτικού Περάσματος: Ευκαιρίες και Προκλήσεις, για τις εταιρείες δεξαμενοπλοίων» Διπλωματική Εργασία για το Μεταπτυχιακό Πρόγραμμα «Ναυτιλία, Μεταφορές και Διεθνές Εμπόριο – ΝΑ.Μ.Ε.» Ροζακή Πολυξένη Ημερομηνία 1/1/2011 ΧΙΟΣ 1 «Οι επιπτώσεις από το άνοιγμα του Βορειοδυτικού Περάσματος: Ευκαιρίες και Προκλήσεις, για τις εταιρείες δεξαμενοπλοίων» 1/11/2011 Διπλωματική Εργασία για το Μεταπτυχιακό Πρόγραμμα «Ναυτιλία, Μεταφορές και Διεθνές Εμπόριο – ΝΑ.Μ.Ε.» Τμήμα Ναυτιλίας και Επιχειρηματικών Υπηρεσιών Συγγραφέας: Ροζακή Πολυξένη Επιβλέπων: Αν.Καθηγήτρια Ελένη Θανοπούλου ΧΙΟΣ 2 Περιεχόμενα Περίληψη ................................................................................................................................... 6 Εισαγωγή ................................................................................................................................... 7 Δομή Εργασίας ........................................................................................................................ 10 Μεθοδολογία (Πηγές και Δυσκολίες) ................................................................................... 11 Κεφάλαιο 1ο Η τήξη των πάγων –Οι Επιπτώσεις ................................................................... 13 1.1. Γενικά Χαρακτηριστικά της Αρκτικής ......................................................................... 13 1.2 Το νομικό και γεωπολιτικό καθεστώς της Αρκτικής.................................................
    [Show full text]
  • Canadian Coast Guard at a Glance
    State and Outlook of the Canadian Icebreaker Fleet 4th Symposium – June 21, 2011 OUTLINE • Canadian Coast Guard Arctic Fleet Operations • Canadian Coast Guard Arctic Icebreaker Fleet – Vessels and condition • Polar Icebreaker – CCGS JOHN D. DIEFENBAKER 2 CCG ARCTIC FLEET OPERATIONS • Icebreaking – Escorting commercial ships – Harbour breakouts • Search and Rescue • Environmental Response • Aids to Navigation • Marine Security and Sovereignty • Re-supplying isolated northern settlements 3 CCG ARCTIC ICEBREAKER FLEET • 2 Heavy Icebreakers – Louis S. St-Laurent and Terry Fox • 4 Medium Icebreakers – Henry Larsen – Pierre Radisson, Amundsen, and Des Groseilliers • 1 High Endurance Multi-Tasked Vessel – Light Icebreaker – Sir Wilfrid Laurier 4 CCGS LOUIS S. ST-LAURENT 5 CCGS LOUIS S. ST-LAURENT • Heavy Icebreaker • Particulars – Length: 119.8m – Breadth: 24.4m – Power: 20142kw • Year Built: 1969 – 42 years old – Modernized 1989 – 1993 (new props 2000) • Tentative Retirement Year: 2017 6 CCGS LSSL and USCGC HEALY 7 CCGS TERRY FOX 8 CCGS TERRY FOX • Heavy Icebreaker • Particulars – Length: 88m – Breadth: 17.8m – Power: 17300kw • Year Built: 1983 – 28 years old • Tentative Retirement Year: 2023 9 CCGS HENRY LARSEN 10 CCGS HENRY LARSEN • Medium Icebreaker • Particulars – Length: 99.8m – Breadth: 19.6m – Power: 12174kw • Year Built: 1987 – 24 years old • Tentative Retirement Year: 2031 11 CCGS PIERRE RADISSON 12 CCGS AMUNDSEN 13 CCGS DES GROSEILLIERS 14 PIERRE RADISSON, AMUNDSEN and DES GROSEILLIERS • Medium Icebreakers • Particulars – Length: 98.2m – Breadth: 19.2m – Power: 10142kw • Years Built: 1978, 1979, 1982 – 29 to 33 years old – Amundsen modernized 2003 (science) • Tentative Retirement Years: 2027-2029 15 CCGS SIR WILFRID LAURIER 16 CCGS SIR WILFRID LAURIER • High Endurance Multi-Tasked Vessel – Light Icebreaker • Particulars – Length: 83m – Breadth: 16.2m – Power: 5250kw • Year Built: 1986 – 25 years old • Tentative Retirement Year: 2020 17 POLAR ICEBREAKER • Budget 2008 allocated $720 million • CCGS John D.
    [Show full text]