glaciers and polar ice caps melting

Tài liệu FRONTIERS IN UNDERSTANDING CLIMATE CHANGE AND POLAR ECOSYSTEMS REPORT OF A WORKSHOP docx

Tài liệu FRONTIERS IN UNDERSTANDING CLIMATE CHANGE AND POLAR ECOSYSTEMS REPORT OF A WORKSHOP docx

... air temperature, ocean temperature and currents, sea ice and glaciers, and winds. These impacts will affect humans and ecosystems and, in turn, the human and ecosystem responses will feed back ... Understanding Climate Change and Polar Ecosystems: Summary of a Workshop 20 FRONTIERS IN UNDERSTANDING CLIMATE CHANGE AND POLAR ECOSYSTEMS Observed Changes in Polar Marine Ecosystems Polar marine ... in Understanding Climate Change and Polar Ecosystems: Summary of a Workshop 10 FRONTIERS IN UNDERSTANDING CLIMATE CHANGE AND POLAR ECOSYSTEMS Ecosystem Connectivity, Vulnerability, and Resilience...

Ngày tải lên: 17/02/2014, 19:20

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Water-Quality Data from Semipermeable-Membrane Devices and Polar Organic Chemical Integrative Samplers Deployed in the McKenzie River Basin, Oregon pptx

Water-Quality Data from Semipermeable-Membrane Devices and Polar Organic Chemical Integrative Samplers Deployed in the McKenzie River Basin, Oregon pptx

... device (SPMD) and the polar organic chemical integrative sampler (POCIS)—are being used to address these particular challenges. Both the SPMD (Huckins and others, 2006) and POCIS (Alvarez and ... Semipermeable-Membrane Devices and Polar Organic Chemical Integrative Samplers, McKenzie River Basin, Oregon This page intentionally left blank. Water-Quality Data from Semipermeable-Membrane Devices and Polar ... area location and data‑collection sites, McKenzie River basin, Oregon. Printed on recycled paper McCarthy and others— Water-Quality Data from Semipermeable-Membrane Devices and Polar Organic...

Ngày tải lên: 14/03/2014, 20:20

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Báo cáo khoa học: Modeling hydration mechanisms of enzymes in nonpolar and polar organic solvents potx

Báo cáo khoa học: Modeling hydration mechanisms of enzymes in nonpolar and polar organic solvents potx

... lysozyme in nonpolar and polar organic solvents, previously sug- gested the same mechanism of protein hydration. Io- nizable sites are hydrated first, followed by polar and nonpolar sites. However, ... that the curves can easily discriminate nonpolar and polar solvents. In nonpolar solvents, water is highly retained at the enzyme surface, whereas in polar solvents, water is only weakly retained. In ... possible to distinguish the effects of nonpolar and polar organic solvents on the dynamics of the water at the enzyme surface. Water molecules in nonpolar sol- vents are retained for longer periods...

Ngày tải lên: 16/03/2014, 10:20

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Cambridge.University.Press.Protecting.the.Polar.Marine.Environment.Law.and.Policy.for.Pollution.Prevention.Jan.2001.pdf

Cambridge.University.Press.Protecting.the.Polar.Marine.Environment.Law.and.Policy.for.Pollution.Prevention.Jan.2001.pdf

... v. Iceland; Federal Republic of Germany v. Iceland), ICJ Reports 1974, pp. 3 and 175; North Sea Continental Shelf (Federal Republic of Germany/Denmark; Federal Republic of Germany/Netherlands), ... Extent of sea ice in the polar oceans 247 xi Preface and acknowledgements This book represents part of the final outcome of a three-year interna- tional research project, Polar Oceans and the Law ... Consequently, each of the eight Arctic countries – Canada, Denmark/Greenland, Finland, Iceland, Norway, Russia, Sweden and the United States – has adopted its own definition of the ‘Arctic’. 6 As...

Ngày tải lên: 21/09/2012, 10:58

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Domestic perspectives and regulations in protecting the polar marine environment - Australia, Canada and the United States

Domestic perspectives and regulations in protecting the polar marine environment - Australia, Canada and the United States

... for, both polar regions. All three have substantial territorial and maritime claims in either of the polar regions, and have been leaders in the development of Arctic and Antarctic law and policy. ... of new legal, constitutional and cooper- ative arrangements; and 5. develop international agreements to use, conserve and manage resources and protect the circumpolar environment. 25 The main ... regulation of the polar marine environment 155 24 L. R. Kriwoken and R. P. Côté, ‘Developments in Australian and Canadian Environmental Management’, in L. R. Kriwoken, M. Haward, D.VanderZwaag and B. Davis...

Ngày tải lên: 01/11/2013, 09:20

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Global environmental protection instruments and the polar marine environment

Global environmental protection instruments and the polar marine environment

... 71 54 The islands include Macquarie Island (administered by the State of Tasmania) and Heard and McDonald Islands (external territories of Australia); see Australian Antarctic Division, Heard Island Wilderness ... agreed rules, standards and recommended practices and proce- dures’. This certainly reflects what has occurred in the Arctic, where European states have long attempted to regulate land-based marine ... estab- lished emergency response crews and vessels, the vast distances likely to be involved in any such operation, and the problems caused by polar climate and sea ice. In the Southern Ocean there...

Ngày tải lên: 01/11/2013, 09:20

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United Nations Convention on the Law of the Sea and the polar marine environment

United Nations Convention on the Law of the Sea and the polar marine environment

... laws and regulations to prevent, reduce and control pollution of the marine environment from land-based sources, taking into account internationally agreed rules, standards and recommended practices and ... organizations, in formu- lating and elaborating international rules, standards and recommended prac- tices and procedures consistent with this Convention, for the protection and preservation of the marine ... objectives and priorities should reflect the environ- mental and developmental context to which they apply. Standards applied by some countries may be inappropriate and of unwarranted economic and social...

Ngày tải lên: 01/11/2013, 09:20

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Tài liệu ICE-CAVES OF FRANCE AND SWITZERLAND pptx

Tài liệu ICE-CAVES OF FRANCE AND SWITZERLAND pptx

... broad and distinct cascades, connected by cross channels of ice, and uniting at their upper and lower ends, thus presenting many curious and ornamental groupings. On cutting through this ice, ... seven hundred francs in all; and the fermier extracts the ice, and sells it in Geneva and Lausanne. In hot summers, the supplies of the artificial ice- houses fail; and then the hotel-keepers ... down the slope, and there took his stand till such time as Mignot got a firm grasp of the tail of his blouse with both hands, I meanwhile holding Mignot's tail with one hand, and the long...

Ngày tải lên: 15/02/2014, 10:20

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Meteorites, ice, and Antarctica doc

Meteorites, ice, and Antarctica doc

... noticed a tongue of ice that descended from the ice plateau into one of these valleys – Upper Wright Valley. The ice came down off the plateau and traveled perhaps 2 km before sublimation and ... 19 the earth’s land surface. Nonetheless, in 1974 we did not foresee what a magnificent place to collect meteorites the antarctic ice sheet really was, and the evolution of this idea and its implementation ... the collection – and speculating on its significance 227 10 Meteorite stranding surfaces and the ice sheet 274 11 The future: what is, is, but what could be, might not 320 Appendices A The US–Japan...

Ngày tải lên: 05/03/2014, 19:20

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Báo cáo khoa học: Implication for buried polar contacts and ion pairs in hyperthermostable enzymes pot

Báo cáo khoa học: Implication for buried polar contacts and ion pairs in hyperthermostable enzymes pot

... folding and function. The dominant roles of the buried polar contacts and ion pairs have been reviewed by distinguishing between the inside polar contacts and the total intramolecular polar contacts, ... Table 2 are homodimers. Their Z score and rmsd values range between 14.8 and 7.0 A ˚ and between 1.07 and 2.38 A ˚ , Fig. 1. The crystal structures of ATs and BGs. The figures were produced using ... buried polar contacts and ion pairs in hyperthermostable enzymes Ikuo Matsui and Kazuaki Harata Biological Information Research Center, National Institute of Advanced Industrial Science and Technology...

Ngày tải lên: 07/03/2014, 05:20

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Báo cáo " Calculation of Lindemann’s melting Temperature and Eutectic Point of bcc Binary Alloys " pot

Báo cáo " Calculation of Lindemann’s melting Temperature and Eutectic Point of bcc Binary Alloys " pot

... equilibrium lattice positions and the nearest neighbor distance and the mean melting curves of bcc binary alloys have been derived. This melting curve provides information on Lindemann’s melting temperatures ... thermodynamic lattice theory for analytical calculation of the mean melting curves and eutectic points of bcc binary alloys. This melting curve provides information on Lindemann’s melting temperatures ... Cs Temperature T(K) Melting curve, present Melting temperature of Cr, Ref. 6 Melting temperature of Cs, Ref. 6 Eutectic point, present Cr 1-x Cs x well with the experimental value T E = 2127 K [7] and the...

Ngày tải lên: 14/03/2014, 13:20

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CLIMATE CHANGE – REALITIES, IMPACTS OVER ICE CAP, SEA LEVEL AND RISKS potx

CLIMATE CHANGE – REALITIES, IMPACTS OVER ICE CAP, SEA LEVEL AND RISKS potx

... Niger (12.6909 /and 0.9362), Lower Niger (8. 4665 and 0.9578) and Niger South (4.1315 and 0.9987). The highest RMSE values and lowest E values were observed over Niger South and Lower Niger ... 4. Melting of the ice caps loss of habitat near the poles. Polar bears are now thought to be greatly endangered by the shortening of their feeding season due to dwindling ice packs. 5. Melting ... the recent drought and climate change? viii. Is glacier and Arctic Sea ice melting fast and level of sea rising? ix. Possible problems on account of hurricane, tsunamis and other climates"...

Ngày tải lên: 15/03/2014, 23:20

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Molecular dynamics simulations of the tensile and melting behaviours of silicon nanowires

Molecular dynamics simulations of the tensile and melting behaviours of silicon nanowires

... melting temperature of nanostructures depends on their surface. This indicates that the unstable surface of free-standing nanowires leads to a decrease in the melting temperature. To understand ... interatomic potential consists of two- and three-body interaction terms and were originally fitted to describe the crystalline and liquid silicon phases. This potential consists of sums of two- and three-body interaction ... number and weak cohesion of the atoms near the surface, as compared with those in the bulk, and the increasing dominance of the surface would decrease the strength of the structure. 3.2. The melting...

Ngày tải lên: 16/03/2014, 15:18

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CLIMATE CHANGE – REALITIES, IMPACTS OVER ICE CAP, SEA LEVEL AND RISKS docx

CLIMATE CHANGE – REALITIES, IMPACTS OVER ICE CAP, SEA LEVEL AND RISKS docx

... 4. Melting of the ice caps loss of habitat near the poles. Polar bears are now thought to be greatly endangered by the shortening of their feeding season due to dwindling ice packs. 5. Melting ... Standardized Annual Areal Average Temperature Variability and Trend Figure 16. Standardized Annual Areal Average Rainfall Variability and Trend Figure 17. Typical Temporal Variability and ... extreme, chronic poverty and vulnerable to droughts and increasing malnutrition rate, due to increasing food and water insecurity resulting from climatic, demographic and land use changes. Climate...

Ngày tải lên: 22/03/2014, 22:20

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