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Water Circulation in the Beagle Channel, a Modeling Study
Geophysical Research Abstracts Vol. 21, EGU2019-2617-1, 2019 EGU General Assembly 2019 © Author(s) 2019. CC Attribution 4.0 license. Water Circulation in the Beagle Channel, a modeling study Andrea Cucco (1), Jacobo Martin (2), Giovanni Quattrocchi (1), Daniel Fernandez (2,3) (1) CNR - National Reasearch Council, IAS - . Institute for the study of Anthropic impacts and Sustainability in the marine environment, Oristano, Italy ([email protected]), (2) CADIC-CONICET, Houssay 200, CP 9410, Ushuaia, Tierra del Fuego, Argentina, (3) Instituto de Ciencias Polares, Ambiente y Recursos Naturales, Universidad Nacional de Tierra del Fuego (ICPA-UNTDF), CP 9410, Ushuaia, Argentina The Beagle Channel is a strait in the “Tierra del Fuego” on the extreme southern tip of South America. This narrow and long channel is one of the three navigable passages connecting the Pacific and Atlantic Oceans and it is shared between Chile and Argentina. Within the framework of the ERANET Lac Project CLIMAR (http://climar.cnr.it/index.php/contact/) a modeling study was conducted to investigate the water circulation inside this Channel and in the surrounding areas in order to evaluate the effects of atmospheric forcing on the channel fluxes and main hydrodynamics. A high-resolution 3D hydrodynamic model based on the finite elements method was implemented to an extended domain covering the whole Patagonian Shelf, part of the Drake Channel and part of the South-Eastern Pacific Ocean. The model horizontal spatial resolution was varying between several km for open oceans up to 100 m for Ushuaya Bay inside the Channel. A full year simulation run was carried out to repro- duce the circulation inside the channel as generated by tides, atmospheric and thermohaline forcing. -
Región De MAGALLANES Y LA Antártica CHILENA 2020 OBRAS PÚBLICAS P a R a E L D E S a R R O L L O
REGIÓN DE MAGALLANES Y LA ANTÁRTICA CHILENA 2020 OBRAS PÚBLICAS P A R A E L D E S A R R O L L O GOBIERNO DECHILE MINISTERIO DE OBRAS PÚBLICAS Este documento corresponde a un extracto del libro: “CHILE 2020. Obras Públicas para el Desarrollo”, cuya versión digital está disponible en la siguiente dirección: www.mop.cl/2020 Prólogo de la Presidenta de la República En los últimos 20 años, Chile ha caminado a paso firme hacia el desarro- llo. La democracia chilena ha sabido combinar certeramente políticas de crecimiento económico con políticas de inclusión social, lo que ha signifi- cado un enorme progreso para el país y para todos sus habitantes. Y, pre- cisamente, uno de los sectores que más se ha desarrollado en estas dos décadas son las obras públicas. El trabajo serio y la moderna visión que hemos impreso a este esfuerzo han significado que el país haya vivido la más grande revolución en infraestructura en toda su historia. Basta mencionar sólo un par de ejemplos: en agua potable rural, el país invertía $ 2.230 millones en 1994, mientras que para 2008 la inversión alcanzó $34.960 millones, es decir, un aumento superior al 1.500%. En embalses, mientras en el período 1970-1990 se embalsaron 40 millones de metros cúbicos de agua, en el período 1990-2011 se embalsarán 860 millones de metros cúbicos, esto es, 21 veces más de agua embalsada. Cifras igualmente impresionantes se aprecian en la red de caminos básicos y carre- teras, que se extiende en miles de kilómetros por el país, o en las obras portuarias y aeroportuarias que nos conectan con el mundo. -
Macrocystis Pyrifera) of Puerto Toro, Navarino Island, Chile
- Vol. 19: 55-63. 1984 MARINE ECOLOGY PROGRESS SERIES Published August 30 Mar. Ecol. Prog. Ser. Distributional patterns and diets of four species of sea urchins in giant kelp forest (Macrocystis pyrifera) of Puerto Toro, Navarino Island, Chile J. A. Vasquez, J. C. Castilla and B. Santelices Departamento de Biologia Ambiental y de Poblaciones, Facultad de Ciencias Biol6gicas. Pontificia Universidad Catolica de Chile, Casilla 114-D, Santiago, Chile ABSTRACT: The distribution pattern of microhabitat and diet was studied in 4 species of sea urchins (Loxechinus albus, Pseudechinus magellanicus, Arbacia dufresnei, Austrocidaris canaliculata) in a forest of Macrocystis pyrifera in southern Chile. We conclude that: (1) There is no overlap in space utilization (microhabitat) except for the species pair P. magellanicus -A, canaliculata. (2) All 4 species of sea urchins feed on M. pynfera in different percentages; this results in a high diet overlap in at least 3 of them; however, this resource does not appear to be limiting. (3) Neither competition among adults nor predation on adults appears to be a key factor in regulating the present population densities of the four species of sea urchins in the habitat studied. Our results further indicate that differences in intensity of water movement, correlated with bathymetric distribution, regulate population density, size of test and biomass in these four species. INTRODUCTION Puerto Toro, Navarino Island, in the Beagle Channel there are 4 species of sea urchins: Loxechinus albus Sea urchins are among the major grazers structuring (Molina), Arbacia dufresnei (Blainville), Pseudechinus communities of kelps in shallow waters of the Northern magellanicus (Philippi), Austrocidaris canaliculata Hemisphere (Leighton et al., 1965; Jones and Kain, (Agassiz). -
Particle Dynamics in Ushuaia Bay (Tierra Del Fuego)-Potential Effect on Dissolved Oxygen Depletion
water Article Particle Dynamics in Ushuaia Bay (Tierra del Fuego)-Potential Effect on Dissolved Oxygen Depletion Ximena Flores Melo 1,*, Jacobo Martín 1, Lounes Kerdel 2, François Bourrin 2 , Cristina Beatriz Colloca 3, Christophe Menniti 2 and Xavier Durrieu de Madron 2,* 1 Laboratorio de Oceanografía, Centro Austral de Investigaciones Científicas (CADIC-CONICET), Bernardo Houssay 200, V9410CAB Ushuaia, Argentina; [email protected] 2 CEFREM, CNRS, Université de Perpignan Via Domitia, 52 avenue Paul Alduy, 66860 Perpignan, France; [email protected] (L.K.); [email protected] (F.B.); [email protected] (C.M.) 3 Institute of Polar Sciences, Natural Resources and Environment, Universidad Nacional de Tierra del Fuego, Fuegia Basket 251, V9410BXE Ushuaia, Argentina; [email protected] * Correspondence: ximenafl[email protected] (X.F.M.); [email protected] (X.D.d.M.) Received: 21 December 2019; Accepted: 19 January 2020; Published: 22 January 2020 Abstract: This study examines the distribution and seasonal evolution of hydrographic, hydrodynamic, and nepheloid layers in Ushuaia Bay and the submerged glacial valley that connects it to the Beagle Channel. The hydrographic structure is highly seasonal, with a total mixing of the water column in winter and the appearance of a pycnocline between 50 and 70 m deep from spring to late autumn, mainly due to desalination. A counter-clockwise current sweeps the entire bay regardless of the season or phase of the tide. This current is at its maximum in the surface layer, allowing the rapid renewal of the bay’s waters, while deep currents are weak and imply a slow renewal of the valley’s waters. -
Yaghan's, Explorers and Settlers
YAGHAN’S, EXPLORERS AND SETTLERS: 10,000 years of Southern Tierra del Fuego Archipelago History The Museum Permanent Exhibit Script Martin Gusinde Anthropological Museum · Puerto Williams - Chile Participants in Initiation Rite in the year 1922. (Martin Gusinde, last row, fourth position from left to right). Anthropos Institut. Sankt Augustin, Germany - Authorized Digital Copying Martin Gusinde Anthropological Museum Introduction INTROUDUCTION The creation of a museum on Navarino Island was an ambitious project that grew out of a deep interest in and concern for the island’s natural and cultural heritage. The initiative was originally proposed by the Chilean Navy, the same institution that built the Martín Gusinde Anthropological Museum (MAMG), which opened its doors in Puerto Williams in 1975. In the 1960s, before the museum was founded, a collection was begun of archeological material from the island’s coastal areas, along with some objects of historical interest from the first occupation by pioneers. This collection was exhibited in the now defunct Mixed School Nº in Puerto Williams. The collection was moved when the Martin Gusinde Museum was established, becoming part of that institution permanent collection. The Museum was named after the Austrian anthropologist and priest Martin Gusinde S.V.D. (1886-1969), who worked among the Yaghan and Selk’nam people from 1918 to 1924. His body of work offers the greatest collection of ethnographic studies about a world that was already on the verge of disappearing. His seminal work “The Indians of Tierra del Fuego” was published between 190 and 1974, and will forever remain the principal source of information we possess about the native people of Tierra del Fuego. -
The Beagle Channel Arbitration D
The Beagle Channel Arbitration D. W. Greig Professor of Law, Australian National University The dispute between Argentina and Chile with respect to sovereignty over a number of islands in the Beagle Channel has been simmering for more than sixty years. Three protocols were signed between 1915 and 1960 with a view to settling the matter by adjudication but none of them was ratified. Eventually, in 1967 the Chilean Government, invoking the 1902 Arbitration Treaty between the two countries, invited the British Government to intervene as arbitrator in the dispute and a compromis was signed by Argentina and Chile whereby they agreed to the Court of Arbitration appointed by the British Government. Its membership was Dillard (USA), Fitzmaurice (UK), Gros (France), Onyeama (Nigeria) and Petren (Sweden). The central issue of the dispute was expressed in somewhat different terms in Article I of the compromis. According to paragraph (1): 'The Argentine Republic requests the Arbitrator to determine what is the boundary-line between the respective maritime jurisdiction of the Argentine Republic and of the Republic of Chile from meridian 68O36'38.S"'. , within the region referred to in paragraph (4) of this Article, and in consequence to declare that Picton, Nueva and Lennox Islands and adjacent islands and islets belong to the Argen- tine Republic. ' Whereas, according to paragraph (2): 'The Republic of Chile requests the Arbitrator to decide, to the extent that they relate to the region referred to in paragraph (4) of this Article, the questions referred -
The Beagle Channel Arbitration D
The Beagle Channel Arbitration D. W. Greig Professor of Law, Australian National University The dispute between Argentina and Chile with respect to sovereignty over a number of islands in the Beagle Channel has been simmering for more than sixty years. Three protocols were signed between 1915 and 1960 with a view to settling the matter by adjudication but none of them was ratified. EventuaHy, in 1967 the Chilean Govemment, invoking the 1902 Arbitration Treaty between the two countries, invited the British Govemment to intervene as arbitrator in the dispute and a compromis was signed by Argentina and Chile whereby they agreed to the Court of Arbitration appointed by the British Govemment. Its membership was Dillard (USA), Fitzmaurice (UK), Gros (France), Onyeama (Nigeria) and Petren (Sweden). The central issue of the dispute was expressed in somewhat different terms in Article I of the compromis. According to paragraph (1): 'The Argentine Republic requests the Arbitrator to determine what is the boundary-line between the respective maritime jurisdiction of the Argentine Republic and of the Republic of Chile from meridian 68°36'38.5"W., within the region referred to in paragraph (4) of this Article, and in consequence to declare that Picton, Nueva and Lennox Islands and adjacent islands and islets belong to the Argen tine Republic. ' Whereas, according to paragraph (2): 'The Republic of Chile requests the Arbitrator to decide, to the extent that they relate to the region referred to in paragraph (4) of this Article, the questions referred to in her Notes of 11th December 1967 to Her Britannic Majesty's Govemment and to the Govemment of the Argentine Republic and to declare that Picton, Lennox and Nueva Islands, the adjacent islands and islets, as weH as the other islands and islets whose entire land surface is situated whoHy within the region referred to in paragraph (4) of this Article, belong to the Republic of Chile. -
Punta Arenas
50.000 150.000 250.000 350.000 450.000 550.000 650.000 75° W 74° W 73° W 72° W 71° W 70° W 69° W 68° W 67° W ne ddeell Generrall Carllos sséénn Ibáñ AAyy ez d ddee del iióónn Ca 000 eegg mp 000 RR po 4.600. 4.600. r e i s s e M l a n a C 49° S 49° Isla Puerto Wellington 19 Edén 49° S 49° WV 6 93WVí[V[W í Glaciar Pio XI !WHOD 143 o i d e n r I y l i e E "ACUERDO ENTRE LA REPÚBLICA DE CHILE d o o n Y LA REPÚBLICA DE ARGENTINA PARA PRECISAR s e a S P EL RECORRIDO DEL LÍMITE DESDE EL MONTE FITZ-ROY HASTA EL CERRO DAUDET" (Buenos Aires, 16 de diciembre de 1998). 000 000 4.500. 4.500. P.N. O Bernardo O'Higgins C I T e N t r o N Á l e d L o z a T r B 50° S 50° o A n e e S id W l a O n a C Campos de Hielo Sur REPÚBLICA DE ARGENTINA N A É 50° S 50° C O Isla Madre de Dios 000 000 4.400. 4.400. n ió c p e c n o C l a n a CARTERA DE INICIATIVAS GEORREFERENCIADAS A EJECUTAR EN CORTO PLAZO (2013-2014) C Estero Asia N° FINANCIAMIENTO INICIATIVA DETALLE R í o L DIRECCIÓN DE OBRAS PORTUARIAS a R s í C o 91 Extra MOP Conservación Rampa y Terminales Seno Última Esperanza h B i a n g 92 MOP Construcción Infraestructura Portuaria en Puerto Navarino a u s a l e 93 MOP Conservación Muelle Rampa y Terminal en Puerto Edén s Lago Dickson 170 94 Extra MOP Construcción Muelle Mirador en Río Seco, Punta Arenas DETALLE 1 DIRECCIÓN DE VIALIDAD 131 96 Torres Estero Peel Glaciar Grey V[W 95 MOP Construcción Camino Hollemberg - Río Pérez, Última Esperanza (65 km) / del Paine ut9 ) 96 Extra MOP Construcción Puente Las Torres,Cno.Laguna Amarga - Hosteria Las Torres P.N. -
Cotter, Michael W
Association for Diplomatic Studies and Training Foreign Affairs Oral History Project AMBASSADOR MICHAEL W. COTTER Interviewed by: Charles Stuart Kennedy Initial interview date: December 12, 1998 Copyri ht 2002 ADST TABLE OF CONTENTS Background Born and raised in Wisconsin Georgeto n University; University of Barcelona, Spain Entered Foreign Service - 1968 State Department - FSI - ,ietnamese -anguage Training 1969 ,ietnam - .ORDS - 0ekong Delta 1910-1911 Hamlet Evaluation Survey Ben Tre District Ba Tri District Saigon, ,ietnam - Staff Aide 1911 Ambassador Bunker .ambodia incursion 419105 .orruption ,iet .ong Tet Offensives .IA 6,ietnami7ation8 0edia -a Pa7, Bolivia - Political Officer 1911-1913 .oup d:;tat Environment and narcotics AID .ommunism U.S. military assistance Allende & the Pinochet coup Foreign Religious groups .an Tho, ,ietnam - ,iet .ong 1913 .ease fire 1 International .ommission of .ontrol Fall of South ,ietnam 6,ietnami7ation8 State Department ? Honduras, El Salvador, Bolivia Desk Officer 1913-1915 AID AiBon resignation Stanford University - -atin American Studies 1915-1916 Dependency theory Cuito, Ecuador - Political Officer 1916-1919 U.S. and foreign military sales Government Environment 0ilitary staffing in embassies Peru border tensions Human rights State Department - FSI - Turkish -anguage Training 1919-1980 Ankara, Turkey - PoliticalD0ilitary Officer 1980-1982 0ilitary government Security D terrorism Environment U.S. basesDDE.A agreement AATO .oup d:;tat 0ilitary-to-military relations Greek-Turkish relations; .yprus State Department - Turkish Desk Officer 1982-1984 Armenians 0ilitary assistance Greek lobby Richard Perle 6Stovepipe8; conflicting U.S. military chains of command Intelligence sharing .yprus Ginshasa, Haire - PoliticalD.onsular Officer 1984-1988 Government; corruption and patronage system 0obutu Regional instability Economy AIDS 2 Dissidents Gamina Air Base Shaba region Belgians Shaba region Environment .IA Human rights 0issionaries African-American diplomats U.S. -
Diversity of Subantarctic Tanaidacea (Crustacea, Malacostraca) in and Off the Beagle Channel
POLISH POLAR RESEARCH 22 3-4 213-226 2001 Anja SCHMIDT and Angelika BRANDT Zoological Institute and Zoological Museum, University of Hamburg, Martin-Luther-King-Platz 3, D-20146 Hamburg, GERMANY e-mail: [email protected] Diversity of Subantarctic Tanaidacea (Crustacea, Malacostraca) in and off the Beagle Channel ABSTRACT: In November 1994 a first inventory of Tanaidacea from the Beagle Channel and at some stations of the Atlantic continental shelfwas obtained using epibenthic sledge samples. In total, 2175 specimens from 27 species of eight families of Tanaidomorpha and two families of Apseudomorpha were collected. Two species, Allotanais hirstutus (Beddard, 1886) and Apseudes heroae Sieg, 1986, strongly dominated this area. Generally low diversity and abun dances were recorded for the western area of the Beagle Channel, while substantially higher val ues were reported at the eastern entrance on the Atlantic side of the Beagle Channel. Abundances slightly varied with depths, but not significantly. Key words: Beagle Channel, Tanaidacea, Peracarida, species numbers, abundances. Introduction The Beagle Channel is the southernmost South American fjord and belongs to the Magellanic area. Due to its relative proximity to the Antarctic Peninsula and the geological history of Tierra del Fuego, the Scotia Arc and the Antarctic Penin sula, the Beagle Channel is an interesting geographic area for faunistic compari sons of South America and Antarctica. Tanaidacea are an almost exclusively marine order with increasing diversity in the deep sea. The small size of these animals (2-3 mm length) is probably one rea son why this taxon was often neglected or overlooked in the past; other sources of error might have been due to too large mesh sizes of trawled gear used. -
Dispute Between Argentina and Chile Concerning the Beagle Channel
REPORTS OF INTERNATIONAL ARBITRAL AWARDS RECUEIL DES SENTENCES ARBITRALES Dispute between Argentina and Chile concerning the Beagle Channel 18 February 1977 VOLUME XXI pp.53-264 NATIONS UNIES - UNITED NATIONS Copyright (c) 2006 PART II Case concerning a dispute between Argentina and Chile concerning the Beagle Channel Affaire concernant un litige entre la République argentine et la République du Chili relatif au canal de Beagle CASE CONCERNING A DISPUTE BETWEEN ARGENTINA AND CHILE CONCERNING THE BEAGLE CHANNEL [Editorial note A dispute having arisen between Argentina and Chile concerning the territorial and maritime boundaries between them and the title to certain islands, islets and rocks near the extreme end of the South American continent (the region of the eastern Beagle Channel), an Arbi- tration Tribunal was established pursuant to a compromise signed on 22 July 1971 (see p. 64 below). On 18 February 1977, the Tribunal ren- dered its award (see p. 77 below). In an exchange of diplomatic notes dated 25 and 26 January 1978 (see p. 226 below), Argentina declared the award insuperably null and void in accordance with international law and Chile rejected this "decla- ration of invalidity". On 20 February 1978, Argentina and Chile signed an agreement in Puerto Montt, Chile, to resolve through negotiations issues pertaining to the relations between the two countries, particularly those stemming from the situation in the southern region (see p. 237 below). On 8 Janu- ary 1979, the two States signed the Act of Montevideo by which they requested the Holy See to act as a mediator with regard to their dispute over the southern region (see p. -
Antarctica 2019 Organizer: Chief One: Expeditions See the Beauty Of
Antarctica 2019 Organizer: Chief One: Expeditions See the beauty of the world of ice. Meet penguins, whales, leopard seals. Push icebergs, climb a glacier. Antarctica is waiting but there's less and less of it each year - so act now! A cruise to Antarctica We start our cruises to Antarctica in the city of Ushuaia. Ushuaia is located in southern Argentina in Tierra del Fuego, on the Beagle Channel, near the border with Chile. Starting the cruises to Antarctica with us from this city, you can safely say that you are going to the end of the world. Ushuaia holds the status of the southernmost city not only in South America, but also in the entire world. This is also emphasized by its name, deriving from the Indian language, meaning a bay on the outskirts. This title is disputed by Chile which is developing Puerto Williams, a fishing settlement, on the island of Navarino. Puerto Williams currently has around 2000 inhabitants and does not have a full urban infrastructure. There is also the Puerto Toro settlement inhabited by 100 people. From Ushuaia, we will sail to Antarctica through the Drake Passage With favorable winds, on the way to Antarctica, we plan to cut through Drake Passage and the 67º14’W meridian, which divides the passage in half, marking the border between the Atlantic Ocean and the Pacific Ocean. After passing Horn and through the legendary Drake Passage, we will reach the Antarctic waters The first stop during our trip will be Admiralty Bay near King George Island. This is where the Henryk Arctowski Polish Antarctic Station is located.