glaciers and polar ice caps melting
Tài liệu FRONTIERS IN UNDERSTANDING CLIMATE CHANGE AND POLAR ECOSYSTEMS REPORT OF A WORKSHOP docx
Ngày tải lên :
17/02/2014, 19:20
... 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...
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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
Ngày tải lên :
14/03/2014, 20:20
... 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
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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...
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Báo cáo khoa học: Modeling hydration mechanisms of enzymes in nonpolar and polar organic solvents potx
Ngày tải lên :
16/03/2014, 10:20
... 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...
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Cambridge.University.Press.Protecting.the.Polar.Marine.Environment.Law.and.Policy.for.Pollution.Prevention.Jan.2001.pdf
Ngày tải lên :
21/09/2012, 10:58
... 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...
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Domestic perspectives and regulations in protecting the polar marine environment - Australia, Canada and the United States
Ngày tải lên :
01/11/2013, 09:20
... 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...
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Global environmental protection instruments and the polar marine environment
Ngày tải lên :
01/11/2013, 09:20
... 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...
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United Nations Convention on the Law of the Sea and the polar marine environment
Ngày tải lên :
01/11/2013, 09:20
... 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...
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Tài liệu ICE-CAVES OF FRANCE AND SWITZERLAND pptx
Ngày tải lên :
15/02/2014, 10:20
...
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...
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Meteorites, ice, and Antarctica doc
Ngày tải lên :
05/03/2014, 19:20
... 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...
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Báo cáo khoa học: Implication for buried polar contacts and ion pairs in hyperthermostable enzymes pot
Ngày tải lên :
07/03/2014, 05:20
... 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...
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Báo cáo " Calculation of Lindemann’s melting Temperature and Eutectic Point of bcc Binary Alloys " pot
Ngày tải lên :
14/03/2014, 13:20
... 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...
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CLIMATE CHANGE – REALITIES, IMPACTS OVER ICE CAP, SEA LEVEL AND RISKS potx
Ngày tải lên :
15/03/2014, 23:20
... 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"...
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Molecular dynamics simulations of the tensile and melting behaviours of silicon nanowires
Ngày tải lên :
16/03/2014, 15:18
... 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...
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CLIMATE CHANGE – REALITIES, IMPACTS OVER ICE CAP, SEA LEVEL AND RISKS docx
Ngày tải lên :
22/03/2014, 22:20
...
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...
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