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Tuesday, May 5, 2020 | History

2 edition of Ice flow along the Byrd Station strain network, Antarctica found in the catalog.

Ice flow along the Byrd Station strain network, Antarctica

I. M. Whillans

Ice flow along the Byrd Station strain network, Antarctica

by I.M. Whillans.

by I. M. Whillans

  • 241 Want to read
  • 12 Currently reading

Published .
Written in English


Edition Notes

Offprint from : J.Glaciol. v.24 (1979) p.15-28.

ID Numbers
Open LibraryOL13944017M

  The first detailed map of ice flow across the entire continent of Antarctica has been developed, showing "amazing flows" from the continent's center that have never before been seen. The temperature record from Byrd Station, a scientific outpost in the center of the West Antarctic Ice Sheet (WAIS), demonstrates a marked increase of degrees Fahrenheit ( degrees Celsius.

The 'Aurora' adventure is probably the most to benefit from the use of a map, as they go all over the place; while Shackleton drifts along the coast on an ice-flow. I never knew there were so many names for types of ice and snow! I did finish the book - sort of: I skip read the 'science' section at the back/5().   A line of seismometers across in Antarctica have shown Researchers from from Washington University the first look below the mantle, revealing hot rock, which could affect ice .

  Using data from the freely-available Landsat 7 (ETM+) and 8 (OLI) archives, we have closely monitored changes in the position of the ‘grounding line’ (i.e. the boundary between grounded continental ice and the ocean, where ice begins to detach from the seafloor and float as ice-shelves), along the Marie Byrd Land Coastal Sector of West. The background level of impurities at Byrd Station over the last , years is examined, and an attempt is made to determine both the compounds with which they are associated and their source. The findings are compared with similar analyses made on ice of the same age from other Antarctic sites.


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Ice flow along the Byrd Station strain network, Antarctica by I. M. Whillans Download PDF EPUB FB2

ICE FLOW ALONG THE BYRD STATION STRAIN NETWORK, ANTARCTICA [Whillans, I.M.] on *FREE* shipping on qualifying offers. ICE FLOW ALONG THE BYRD STATION STRAIN NETWORK, ANTARCTICAAuthor: I.M.

Whillans. Application to two–dimensional flow along the Byrd Station Strain Network, Antarctica. Glaciol., 35 (), 61 – Cited by: The flow of the Antarctic ice sheet near Byrd Station is modeled using surface net accumulation-rate data, surface strain-rate data, and core-hole tilting results.

The Antarctic Atmosphere: Climatology of the Troposphere and Lower Stratosphere. With plates compiled by the National Weather Records Center. Antarctic Map Folio Series, Folio 4.

American Geographical Society, New York, N.Y. Whillans, I., _ Ice flow along the Byrd Station Strain Network, Antarctica J. Glaclol, 24 (90), in press_Cited by: The West Antarctic Ice Sheet is changing now. The cause for these changes lies with the mechanical controls on the flow of ice streams.

These controls are associated with basal friction and with lateral drag. The ice sheet is changing largely independently of forcings by global sea level and climate, and is rather a forcing for sea by: 3. Asynchrony of Antarctic and Greenland climate change during the last glacial period I.

Ice flow along the Byrd station strain network, Antarctica. Schwander, J. et al. Asynchrony of Cited by: Greenland warming events around 36 and 45 kyr before present lag their Antarctic counterpart by more than 1 kyr. On average, Antarctic climate change leads that of Greenland by 1– kyr over Cited by:   Approximately volcanic ash and dust layers were observed in the Siple Dome (Antarctica) ice core.

Most of this tephra, deposited between and m depth, consisted primarily of glass shards with varying amounts of crystalline material and groundmass by: Using mass balance and ice flow studies along the Byrd Station Strain Network from the West Antarctic ice divide to Byrd Station, Whillans showed the ice surface was lowering along this distance.

Using IGY and other data, Budd et al. [] produced the first computer model that quantified dynamics of the Antarctic Ice by: 1. A similar initiation is visible on one western tributary of Recovery Ice Stream and the western tributary of Totten, but over the vast majority of Antarctica we find no area where fast flow initiates at a bedrock step; instead, we observe tributary flow extending slowly, diffusively, and gradually from the flanks of ice by: Byrd Glacier has the largest ice drainage system in Antarctica and is the fastest ice stream entering Ross Ice Shelf.

In two large subglacial lakes at the head of Byrd Glacier suddenly drained and increased the terminal ice velocity of Byrd Glacier from m yr −1 to m yr − by: 7. Whillans's research works with 3, citations and 1, reads, including: Ice Stream Shear Margins.

Much of the material presented in the report is based upon observations made by field parties which were based at Byrd Station and operated in the region of the Byrd Station Strain Net, which lies between Byrd Station and the Ross-Amundsen ice divide, during the austral summers of,and Cited by: 2.

Item title reads - Byrd's latest Antarctic expedition. South Pole. M/S of one of the men battling through the blizzard. Various shots of the men with husky dogs. M/S as Admiral Richard Byrd. QUATERNARY RESEA () Chemical Composition of Ice Containing Tephra Layers in the Byrd Station Ice Core, Antarctica JULIE M.

PALAIS' Byrd Polar Research Center, Ohio State University, Columbus, Ohio AND PHILIP R. KYLE Department of Geoscience, New Mexico Institute of Mining and Technology, Socorro, New Mexico Received Novem The Cited by:   Despite the ice cap's grip on the rocky landmass below, friction can only hold back the ice so much.

A new, first-of-its-kind map from NASA reveals icy Antarctica. the grounded ice cover (at Byrd Station) and the floating ice cover (at Little America 5) of the drainage basin.

Ice stream C approximately parallels the Bentley subglacial trench, and intersects the E-W leg (at station 53) and the N-S leg (at station ) of the RISS traverse. Ice stream A. About Cookies, including instructions on how to turn off cookies if you wish to do so.

By continuing to browse this site you agree to us using cookies as described in. COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

Antarctic Ice Flows - A Complete Picture. First complete map of the speed and direction of ice flow in Antarctica, derived from radar interferometric data from the Japan Aerospace Exploration Agency's ALOS PALSAR, the European Space Agency's Envisat ASAR and ERS-1/2, and the Canadian Space Agency's RADARSAT-2 spacecraft.

Enhanced PDF; Standard PDF ( MB) ; 1. Introduction [2] The rheology of ice crystals is strongly anisotropic and the orientation of crystal fabric of most ice of the polar ice sheets has been known for some time to be nonrandom [e.g., Paterson,pp.

99–], yet in most flow modeling of ice masses, ice is currently treated as an isotropic material. An ice-sheet flowline model is used to simulate the flow of ice along two particle paths toward the onset to Ice Stream D,West Antarctica.

One path is near the centre line of the main tributary to the ice stream, while the second passes by the Byrd Station borehole by: 7. Oxygen- and hydrogen-isotope analyses from the core hole through the Antarctic Ice Sheet at Byrd Station define temperature variations over more t years.

Synchronism between major climatic changes in Antarctica and the Northern Hemisphere is strongly indicated. The Wisconsin cold interval extended f to 11, years by: