Author : Craig Lincoln Stewart
Publisher :
Page : pages
File Size : 25,29 MB
Release : 2018
Category :
ISBN :
[PDF] Ice Ocean Interactions Beneath The North Western Ross Ice Shelf Antarctica eBook
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Ocean, Ice, and Atmosphere
Author : Stanley S. Jacobs
Publisher : American Geophysical Union
Page : 400 pages
File Size : 40,17 MB
Release : 1998-02-04
Category : Science
ISBN :
In this latest oceanology volume of the Antarctic Research Series, polar scientists describe and model air-sea and ice-ocean interactions, the formation and chemistry of deep and bottom waters, regional circulations, tidal heights and currents, ocean bathymetry, interannual variability and the Antarctic Slope Front.
The Ocean Tide and Waves Beneath the Ross Ice Shelf, Antarctica
Author : Richard Turl Williams
Publisher :
Page : 408 pages
File Size : 40,26 MB
Release : 1979
Category : Ross Sea (Antarctica)
ISBN :
Transient Behavior of the West Antarctic Ice Streams
Author : Marion Bougamont
Publisher :
Page : 288 pages
File Size : 22,8 MB
Release : 2003
Category : Glaciology
ISBN :
A Numerical Study of Ocean Circulation and Ice-ocean Interaction, Beneath the Amery Ice Shelf, Antarctica
Author : Michael John Mostyn Williams
Publisher :
Page : 522 pages
File Size : 17,39 MB
Release : 1999
Category : Ocean circulation
ISBN : 9788778343581
Polar Environments and Global Change
Author : Roger G. Barry
Publisher : Cambridge University Press
Page : 445 pages
File Size : 15,1 MB
Release : 2018-08-09
Category : History
ISBN : 1108423167
Surveys atmospheric, oceanic and cryospheric processes, present and past conditions, and changes in polar environments.
Ocean interactions with the base of the Amery Ice Shelf, Antarctica
Author : H.H. HELLMER
Publisher :
Page : pages
File Size : 12,47 MB
Release : 1992
Category :
ISBN :
Ice-ocean interaction on Ronne Ice Shelf, Antarctica
Author : A. Jenkins
Publisher :
Page : pages
File Size : 27,73 MB
Release : 1991
Category :
ISBN :
Upper Ocean Physical and Ecological Dynamics in the Ross Sea, Antarctica
Author : Matthew Charles Long
Publisher : Stanford University
Page : 254 pages
File Size : 50,60 MB
Release : 2010
Category :
ISBN :
This dissertation examines several aspects of the unique physical-biological system that controls biogeochemical cycling in the Ross Sea, the largest continental shelf sea along the Antarctic margin and the most biologically productive region in the Southern Ocean. The core component of the research involves interpretation of data from two oceanographic cruises to the region, one during Summer of 2005--2006 and another in Spring of 2006--2007. Four key research questions are addressed. (1) What physical mechanisms force spatial and temporal variability in mixing depths? (2) How does the dynamic physical environment characteristic of Antarctic continental shelf seas structure distributions of biomass and chemical tracers of production? (3) What key physical and physiological mechanisms control the 13C/12C ratio of organic and inorganic carbon in waters on the Ross Sea continental shelf? and (4) How do physiological variables interact with environmental variability to control phytoplankton taxonomic zonation? Chapter 1 presents an introduction to ocean carbon biogeochemistry and the oceanography of the Southern Ocean and the Ross Sea. Chapter 2 examines the mechanisms effecting early season stratification in the Ross Sea. Lateral advection in the region of upper ocean fronts is shown to be an important mechanism setting early season stratification. Chapter 3 examines several tracer-based methods for estimating upper ocean net community production in the Ross Sea, with explicit recognition of the complexities associated with control volume assumptions and high rates of temporal change. Chapter 4 considers the environmental controls on the distribution of 13C/12C ratios in the Ross Sea. It is shown quantitatively that the two dominant phytoplankton taxa in the Ross Sea have different intrinsic fractionation factors, likely as a result of differing carbon-acquisition physiologies. Air-sea exchange is shown to occur with very noisy fractionation. Finally, Chapter 5 examines the interaction of algal physiology with environmental variability, addressing the key physiological-environmental controls on the taxonomic distribution of phytoplankton in the Ross Sea. While it is difficult to draw concrete conclusions, the most compelling line of evidence suggests that differing photoprotective capacities is the most important physiological characteristic structuring taxonomic distributions. An appendix presents a design for an infrared absorbance-based instrument for the determination of total dissolved inorganic carbon in seawater.
Chemical Profile of the Ross Ice Shelf at Little America V, Antarctica
Author : Chester C. Langway
Publisher :
Page : 20 pages
File Size : 47,57 MB
Release : 1974
Category : Antarctica
ISBN :
Measurements of the concentrations of Na(+), K(+), Mg(2+), and Ca(2+) were made on 28 samples from the 255-m-deep ice core from Little America V. All concentrations decrease sharply with depth from the firn-ice transition at 52 m to somewhere between 125 m and 150 m. From 150 m to 250 m the cationic concentrations are relatively constant. This is interpreted to indicate that the ice above 125 m fell as snow on the Ross Ice Shelf and that ice below 150 m originated inland on Marie Byrd Land. (Author).