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Saturday, July 25, 2020 | History

2 edition of Local environmental factors affecting ice formation in Terrington Basin, Labrador found in the catalog.

Local environmental factors affecting ice formation in Terrington Basin, Labrador

Owen S. Lee

Local environmental factors affecting ice formation in Terrington Basin, Labrador

by Owen S. Lee

  • 2 Want to read
  • 15 Currently reading

Published by U.S. Navy Hydrographic Office in Washington, D.C .
Written in

  • Newfoundland and Labrador,
  • Terrington Basin.,
  • Labrador.
    • Subjects:
    • Ice -- Newfoundland and Labrador -- Terrington Basin.,
    • Meteorology -- Newfoundland and Labrador -- Labrador.

    • Edition Notes

      StatementOwen S. Lee.
      SeriesTechnical report / U.S. Hydrographic Office ;, TR-24, Technical report (United States. Hydrographic Office) ;, TR-24
      LC ClassificationsGB2596.L3 L4
      The Physical Object
      Paginationvi, 29 p. :
      Number of Pages29
      ID Numbers
      Open LibraryOL6216376M
      LC Control Number56061924

      This is again related to an increased sea ice formation. 6. Discussion. In this study we have investigated the deep water formation in the Labrador Sea using a global FESOM model setup that has an increased, but non‐eddy‐resolving, regional resolution in the deep water formation . The paper presents the new ice model testing facility of Helsinki University of Technology. The facility consists of an ice model basin of 40m x 40m x m, X-Y-carriage, and necessary equipment and rooms for machinery, fitting out of models, etc. Technical details of carriage, refrigeration machinery and control system are given.

      Dense Labrador Sea Water (LSW), formed by winter cooling of saline North Atlantic water and subsequent convection, is a key component of the deep southward return flow of the AMOC. Although LSW formation recently decreased, it also reached historically high values in the mids, making the connection to the freshwater flux unclear. Basin (Basin). A thick sequence (several thousand feet) of Tertiary age sedimentary rocks underlies this portion of the Basin.1 From oldest to youngest, these rocks are represented by the Topanga Formation, Monterey Formation (also known as the lower Modelo Formation), Modelo Formation, and Fernando Formation (Dibblee, ; Lamar, ).

        Analysis of weekly sea ice charts produced by the U.S. National Ice Center from to indicates large interannual variations in the averaged winter landfast ice extent around the Arctic Basin. During the yr period of the record, landfast ice cover was relatively extensive from the early to mids but since then has declined in many. As it turns out, it wasn't a bad week for the environment after all. Request Reprint & Licensing, Submit Correction or view Editorial Guidelines Start your day with our top 5 articles.

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Local environmental factors affecting ice formation in Terrington Basin, Labrador by Owen S. Lee Download PDF EPUB FB2

Local environmental factors affecting ice formation in Terrington Basin, Labrador / By Owen S Lee. Abstract. Mode of access: Internet Topics: Meteorology, Ice.

Publisher: Washington, D.C Author: Owen S Lee. Local environmental factors affecting ice formation in Terrington Basin, Labrador by Owen S Lee (Jan 1, ) The Registers of Terrington, Co. York: Christenings, Marriages, Burials, by Eng Terrington ( ).

Ice in lakes and rivers, a sheet or stretch of ice forming on the surface of lakes and rivers when the temperature drops below freezing (0° C [32° F]). The nature of the ice formations may be as simple as a floating layer that gradually thickens, or it may be extremely complex, particularly when.

In book: River ice formation, Chapter: River ice formation in small rivers, Publisher: Committee on River Ice Processes and the Environment and Hydrology Section of the Canadian Geophysical Union.

PHOENICS is applied to the problem of formation of frazil ice in a river. The accumulation of frazil ice into larger, more buoyant aggregates (grease ice) and formation of anchor ice on the river bottom is treated in a preliminary way.

The simulations seem to yield realistic results, and the model should be a good starting-point for further Cited by: 1. Ice drifts southward from Baffin Bay through Davis Strait into the Labrador Sea.

Except in summer, there is mean ice drift away from the Eurasian coast toward the TPD. In the Eurasian Basin, ice flows from the Laptev Sea into the TPD and subsequently the Fram Strait (coincidentally the track of the ship Fram, Figure ). The TPD feeds into. The main environmental factors Labrador book spatial patterns, variability and change in primary production (PP) in the Arctic Ocean are reviewed.

While instantaneous PP rates are predominantly influenced by the local factors affecting light penetration through clouds, sea ice and water, net PP (NPP) at the annual scale is conditioned by a hierarchy of remote and local processes that affect.

Recent accelerated melting of the Greenland ice sheet. Numerous studies have described recent acceleration of Greenland’s ice mass loss 6,7,8,9,We. Geologic Assessment of Undiscovered.

Oil and Gas in the Powder River Basin Province, Wyoming and Montana. By Lawrence O. Anna. Chapter 1. Digital Data Series DDS–69–U. The two main constituent water masses of the deep North Atlantic Ocean—North Atlantic Deep Water at the bottom and Labrador Sea Water at an intermediate level—are currently formed in the.

and the constraints of operating in this environment during winter, there is little winter data available for the region, and most studies have relied on modelling.

Fig. Map showing the location of the Irminger Sea and the local region. This study will assess whether LSW formation occurs in the Irminger basin by.

Atlantic water inflow and sea ice distribution in the northern Barents Sea: A Holocene palaeoceanographic evolution Berben cSMPa, Husum Kb, Navarro-Rodriguez A, Belt STc and Aagaard-Sørensen Sa aDepartment of Geology, University of Tromsø, N Tromsø, Norway bNorwegian Polar Institute, Fram Centre, N Tromsø, Norway cBiogeochemistry Research Centre, School of.

chemistry and biology under ice, and this knowledge gap severely limits our ability to predict how changes in winter con-ditions will affect the ecology and productivity of inland waters. A recent study reported that only 2% of peer-reviewed freshwa-ter literature has included under-ice lake processes (Hampton et al.

This paper investigates the link between the Labrador Sea Water (LSW) formation rate and the strength of the Atlantic Meridional Overturning Circulation within the Labrador Sea. LSW is formed in the Labrador Sea through deep wintertime ocean convection and is then carried out of the basin by, among other currents, the Deep Western Boundary.

Introduction The Labrador Sea is known as a hostile environment to all forms of marine activities. The region is buffetted by numerous storms every year which bring high winds, severe seastates and superstructure icing.

For vessels attempting to nav. Predicted impacts of climate change on the marine environment include an increase in temperature, a rise in sea levels and a decrease in sea-ice cover.

These impacts will occur at local, regional. CHAPTER THREE Emerging Questions. All global climate models forced with increasing greenhouse gases project that the Arctic will continue to warm at a faster rate than that of the rest of the globe, with concomitant losses in the ice and snow (IPCC, ) that form the fabric of the Arctic as we have known it ().In each of the sections that follow, we identify and discuss in detail emerging.

Biostratigraphic and lithologic analyses have been carried out from the basal Saglek Formation through to the Bjarni Formation in Freydis B and from the basal Saglek Formation through to the Pre-Cambrian Gneiss in Karlsefni A; in order to further improve our understanding of these Cretaceous and Tertiary sediments along the Labrador Shelf.

Lake ice grows in a static way, which means that the ice production is only within a vertical and a consequence of vertical heat losses to the atmosphere.

The ice is not progressing in any horizontal direction due to currents or floating ice. When there is no or little snow on the ice, the ice grows from the bottom of the ice cover. Iceland is largely an arctic desert punctuated by mountains, glaciers, geysers, hot springs, volcanoes and waterfalls.

Most of the vegetation and agricultural areas are in the lowlands close to the coastline. ice formation, (3) examining the response of LST and heat content to the variability of water mixing, and (4) quantifying the competitive role of ice albedo feedback and ice insulation effects.

The remaining sections of this paper are organized as fol-lows: Model configuration and design of numerical experi.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.

Depending upon the climatic conditions, sheets can develop from grease and congelation ice, or from pancake ice. These processes are described below. In calm waters, frazil crystals form a smooth, thin form of ice, called grease ice for its resemblance to an oil slick. Grease ice develops into a continuous, thin sheet of ice called nilas.