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Wednesday, April 29, 2020 | History

1 edition of Seismic investigations of glaciers on Axel Heiberg Island found in the catalog.

Seismic investigations of glaciers on Axel Heiberg Island

B. B. Redpath

Seismic investigations of glaciers on Axel Heiberg Island

Canadian Arctic Archipelago

by B. B. Redpath

  • 81 Want to read
  • 37 Currently reading

Published by McGill University in Montreal .
Written in English

    Subjects:
  • Geophysics,
  • Glaciers,
  • Ice

  • Edition Notes

    StatementB.B. Redpath
    SeriesAxel Heiberg Island research reports -- no. 1
    ContributionsJacobsen-McGill Arctic Research Expedition
    Classifications
    LC ClassificationsGB2430.A9 R4
    The Physical Object
    Paginationiii, 26 p. :
    Number of Pages26
    ID Numbers
    Open LibraryOL26563329M

      Book Description: Recent Climate Change Impacts on Mountain Glaciers-Mauri Pelto Glaciers are considered a key and an iconic indicator of climate change. The World Glacier Monitoring Service has noted that global alpine balance has been negative for 35 consecutive years. This highlights the dire future that alpine glaciers face. Melting glaciers of Greenland. The island of Denmark. Global warming. Changing of the climate. Map of Greenland on a white background. Arctic ice landscape flat vector illustration. Penguins family standing on ice floe. Melting glaciers. Iceberg, snow mountains hills, winter nature beauty. South pole inhabitants cartoon characters. The ASTIS database contains the following Polar Continental Shelf Program contributions, which are sorted here by contribution number.. Late Wisconsinan glaciation of the central sector of the Canadian High Arctic / Lamoureux, S.F. England, J.H. (Quaternary research, v. 54, no. 2, Sept. , p. , ill., maps). Two of the most rapidly changing glaciers in Antarctica, which are leading contributors to sea-level rise, may behave as an interacting system rather than separate entities, according to a new.


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Seismic investigations of glaciers on Axel Heiberg Island by B. B. Redpath Download PDF EPUB FB2

Get this from a library. Seismic investigations of glaciers on Axel Heiberg Island, Canadian Arctic Archipelago. [Bruce B Redpath] -- Seismic and gravity data obtained for White and Thompson Glaciers and McGill Ice Cap are discussed and compared.

The Axel Heiberg Glacier in Antarctica is a valley glacier, 30 nmi (35 mi) long, descending from the high elevations of the Antarctic Plateau into the Ross Ice Shelf (nearly at sea level) between the Herbert Range and Mount Don Pedro Christophersen in the Queen Maud Mountains.

This huge glacier was discovered in November by the Norwegian polar explorer Roald Coordinates: 85°25′S °0′W / °S. Axel Heiberg Island, Nunavut, Canada. McMillan used the photographs to interpret the behaviour of the terminus over the year interval.

In fact, systematic aerial photog-raphy of Axel Heiberg Island (AHI) began in the year of the first issue of Arctic, Since then, a remarkable amount of aerial photography and satellite imagery of.

Ommanney's () detailed inventory of Axel Heiberg Island glaciers, based on photography fromhas been revisited, converted into digital. centrations become larger and more common farther north. Axel Heiberg Island, Ellesmere Island, and Devon Island are partially covered by large McGill University continued the Axel Heiberg Island investigations after the end of the Jacobsen-McGill phase in Mass balance of Seismic investigations of glaciers on Axel Heiberg Island book Heiberg Island glaciers, –—A reassessment.

Seismic and radar investigations of Fourcade Glacier on King George Island, Antarctica Article in Polar Research 29(3) - December with Reads How we measure 'reads'. Etymology and related terms. The word glacier is a loanword from French and goes back, via Franco-Provençal, to the Vulgar Latin glaciārium, derived from the Late Latin glacia, and ultimately Latin glaciēs, meaning "ice".

The processes and features caused by or related to glaciers are referred to as glacial. The process of glacier establishment, growth and flow is.

The McGill Axel Heiberg station is located at 79°26'N, 90°46'W, near the termini of the White and Thompson Glaciers at the head of Expedition Fiord on west side of Axel Heiberg Island.

It is located in a mountainous area dominated by ice caps, outlet and valley glaciers, polar desert, arctic tundra and permafrost.

Blatter, H. () On the thermal regime of an arctic valley glacier: a study of White Glacier, Axel Heiberg Island, N. T., Canada. Journal of Glaciology, 33, – Google Scholar. Although seismic signals from landslides and glaciers are observed at intermediate Seismic investigations of glaciers on Axel Heiberg Island book, we will jump from magnitudes of M ~ 5 to M.

Where do glaciers form. in areas of Seismic investigations of glaciers on Axel Heiberg Island book snow, both at high latitudes and high elevations at any latitude.

difference between alpine glacier and continental glacier. Alpine: mountain glacier Continental: continent. Accumulation zone. snow forms in the upper reaches. firn line. Just 11 degrees south of the North Pole, mountain bikers Darren Berrecloth, Carson Storch, Tom Van Steenbergen and Cam Zink cut through the ice to the glaciers of Axel Heiberg Island in Nunavut, Canada.

Red Bull Media House’s recent film, “North of Nightfall,” follows their monumental journey through the quickly melting Arctic. Górski M () Seismic investigations of glaciers on Axel Heiberg Island book wave velocities in the Hans Glacier. In: Repelewska-Pękalowa J (ed) Polish Polar Studies.

th International Polar Symposium, Maria Curie-Skłodowska University Press, Lublin, pp 77–81 Google ScholarAuthor: Marek Górski. Volcanic and seismic hazards on the Island of Hawaii [C.

Heliker] on *FREE* shipping on qualifying offers. Get a sneak peek at Searching for Baby Glacier, a documentary in the works. Director Celeste Koon will share an early research trailer for the film as well as a multimedia presentation of some of her grandfather Dr.

Fritz Müller's archival slides and documents from his many expeditions to Axel Heiberg Island between and his death in Book Description: At the meeting of the First International Symposium on Arctic Geology held in Calgary, Alberta, Canada, a number of original papers on this topic were presented, and essentially all of them are printed in the pages of The Geology of the Arctic volumes I and II.

Investigating Glaciers: Description An investigation based on Rouinfar's lab that looks that the behavior of glaciers in response to snow fall and temperature. The main focus is on the creation, collection, transport and deposition of rocky debris along the path of the glacier, especially as it retreats.

Subject Earth Science. Book Chapter (3) Article Type. Facet list. Research Article Axel Heiberg Island (2) Western Canada Abstract The behaviour of ice caps and glaciers on sub-Antarctic islands during previous periods of warming provide key empirical evidence for understanding the behaviour of marine ice sheets in the future.

However, the extent of ice on. – Arctic and Antarctic. Magnani, Mario Observaciones Meteorologicas Efectuadas Durante las Expediciones al Hielo Continental Patagonico en los Añosy Erosion and deposition on a beach raised by the earthquake, Montague Island, Alaska on *FREE* shipping on qualifying cturer: United States Geological Survey.

For at least one of the glaciers, the Pine Island Glacier, the researchers say that if the present rate of thinning continues, "most of the. Display on a map Assessment of non-saline aquifers and potential impacts of oil and gas development activities, including induced seismicity, on these aquifers in the Fox Creek area (AB) / Évaluation des aquifères non salins et des impacts potentiels des activités liées à l'exploitation des hydrocarbures, dont les séismes induits, sur ces aquifères dans la région de Fox Creek.

Icequakes are seismic events originating from within the glacier and can be caused by both changes in velocity and changes in the hydraulic network. We established an array of co-located GPS (Global Positioning System) and seismic stations on the Bering Glacier, AK to examine the relation between icequakes and ice motion.

USGS Scientific Investigations Map Publications Scientific Investigations Maps present the scientific results of studies as maps, charts, stratigraphic sections, or other large illustrations.

The map sheet or pamphlet may include additional descriptive information, photographs, or other. THIS PAPER presents some preliminary geological work on gypsum tectonics carried out by the Jacobsen–McGill expedition to Axel Heiberg Island, The object of the expedition is to carry out a three year programme of glaciological, geomorphological, geological, and meteorological research on Axel Heiberg Island, from a base camp, which.

Start studying Geography ch Learn vocabulary, terms, and more with flashcards, games, and other study tools. Sea floor spreading. In the s, geologist Harry Hess proposed that the sea floor was moving outward from the midoceanic ridges. His theory of sea floor spreading maintained that new basaltic oceanic crust forms at a midoceanic ridge and is slowly pushed away on both sides toward the continents as more new crust is produced.

(Measurements indicate that new crust. Fault-controlled subsidence ceased abruptly during the late Asselian, once again associated with rapid base level rise, keep-up reef-mound development (Tolkien reefs of Beauchamp and Olchowy, ), cessation of evaporite sedimentation, creation of a major maximum flooding surface, and volcanism on Axel Heiberg Island (basalts in the upper.

SEISMIC MELTWATER RESPONSE FROM BLOOD FALLS, TAYLOR GLACIER, ANTARCTICA 3 Figure 2. Taylor Glacier instrumentation consisted of a 6-receiver, 3-component seismic array, 3 GPS receivers, weather station, and a time-lapsed camera.

The primary Blood Falls crack is labeled for reference. The seismic array operated continuously from Heavy. The sensors record seismic vibrations generated by ocean waves along the coast, and they have been used to monitor glaciers and earthquakes.

Prieto's team is the first to use seismic data to. ly, most of our data have been taken on this kind of island. 4 few islands have been formed as depositional shoals from rivers and consist of fine-grained sediments. Gull Island and Duck Island are probably such features.

These islands and others have been enlarged, raised, and poss- ibly stabilized by the addition of gravel. Measurements of water pressure in moulins as part of a movement study of the White Glacier, Axel Heiberg Island, Northwest Territories, Canada.

Glaciol. 11, 53–Cited by: Iceberg - Iceberg - Erosion and melting: Most of the erosion taking place on Antarctic icebergs occurs after the bergs have emerged into the open Southern Ocean. Melt and percolation through the weak firn layer bring most of the freeboard volume to the melting point.

This allows ocean wave action around the edges to penetrate the freeboard portion of the berg. The USGS began work on South Cascade Glacier in with the introduction of a research and monitoring program intended to observe the relationship between glaciers and climate (Meier, ). Glaciers have long been known to be sensitive to climate, and landscape features left by glaciers could be used as indicators of past climate.

Recent GPR studies of ice have been carried out on glaciers in Svalbard, Norway and Sweden, and also on saline ice in the Baltic Sea, Greenland Sea, and Arctic Ocean.

We have used Malå Geoscience and GSSI radar systems with antenna centre frequencies of between 50 and MHz. Long time windows are necessary for receiving echoes from glaciers several hundreds Cited by: 6.

Aerial photos of the Bylot Island glaciers indicate their extent in Listed are a few of the glaciers studied by Shilts and other geologists from the late s to the present. 76 Here, we combine geodetic, seismic and laboratory data to identify the forces acting during 77 calving at large glaciers and document the source of the associated seismic signals.

78 We recorded geodetic data at the calving margin of Helheim Glacier (Fig. 1) (9), a major 79 outlet of the Greenland Ice Sheet, during 55 days in July-September. AUSTIN, Texas — Researchers for the first time have used seismic sensors to track meltwater flowing through glaciers and into the ocean, an essential step to understanding the future of the world’s largest glaciers as climate changes.

The University of Texas Institute for Geophysics (UTIG) helped pioneer this new method on glaciers in Greenland and Alaska. The glaciers backing up to this sea have the potential to cause about 4 feet of sea-level rise, and the ice contained in West Antarctica as. The study will be conducted at Axel Heiberg Island, Eureka, Fosheim Penninsula, Ellesmere Island between Apand 53.

Cambridge Core - Solid Earth Geophysics - Salt Tectonics - by Martin P. A. JacksonCited by: Drainage geochemistry surveys, Axel Heiberg Island, Nunavut Wilton, D H C; Williamson, M -C; McNeil, R J.

GEM 2 High Arctic Large Igneous Province (HALIP) activity: workshop report; par Williamson, M -C (éd.).Annette Island consists of two geologically dis­ tinct bedrock terranes-mainland Ebook Island and Metlakatla Peninsula, a large southwestern ap.

pendage of the island. The terranes differ mark­ edly in lithology and in style and grade of meta­ morphism, and are described separately in.

Cited by: 6.