Climate Change in Eurasian Arctic Shelf Seas: Centennial Ice Cover Observations

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Springer Science & Business Media, Jan 10, 2010 - Science - 166 pages
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In this book the eminent authors analyse the ice cover variability in the Arctic Seas during the 20th and early 21st centuries. In the first two chapters, they show that multi-year changes of the sea-ice extent in the Arctic Seas were formed by linear trends and long-term (climatic) cycles lasting about 10, 20 and 60 years. The structure of temporal variability of the western region (Greenland – Kara) differs significantly from the eastern region seas (Laptev and Chukchi). In the latter region, unlike the former area, relatively short-period cycles (up to 10 years) predominate. The linear trends can be related to a super-secular cycle of climatic changes over about 200 years. The most significant of these cycles, lasting 60 years, is most pronounced in the western region seas.

 

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Contents

Arctic sea ice as an element of the global climate system
1
12 MAJOR EFFECTS OF ARCTIC SEA ICE ON THE CLIMATIC SYSTEM
2
13 STABILITY OF THE SEA ICE COVER IN POLAR REGIONS
5
Longterm changes in Arctic Seas ice extent during the twentieth century
7
22 SEASONAL AND REGIONAL CHARACTERISTICS OF ICE EXTENT TRENDS IN THE TWENTIETH CENTURY
11
23 THE POLYCYCLIC CHARACTER OF LONGTERM CHANGES IN ICE EXTENT
16
24 THE 60YEAR CYCLE AND ITS ROLE IN ICE EXTENT CHANGES IN VARIOUS REGIONS
19
25 20 AND 10YEAR CYCLES AND THEIR ROLE IN ICE EXTENT CHANGES
23
46 LONGTERM CHANGES IN SOME WATER MASS CHARACTERISTICS OF THE ARCTIC OCEAN
72
47 LONGTERM CHANGES IN RIVER RUNOFF
83
Possible causes of changes in climate and in Arctic Seas ice extent
88
52 THE INFLUENCE OF SOLAR ACTIVITY ON CLIMATE AND THE ICE COVER
94
53 POSSIBLE INFLUENCE OF SELFOSCILLATIONS IN THE OCEANICEATMOSPHERE SYSTEM
105
54 SOLAR SYSTEM DISYMMETRY AND ITS INFLUENCE ON SOLAR ENERGY FLUX TO THE EARTH
108
Assessment of possible changes in air temperature and seaice extent in the Arctic Seas in the twentyfirst century
113
62 ASSESSMENT OF EXPECTED CHANGES IN AIR TEMPERATURE AND SEAICE EXTENT BASED ON CYCLIC FLUCTUATIONS
114

Variability of sea ice thickness and concentration in the twentieth century
29
32 CHANGES IN ICE CONCENTRATION
35
Consistency among sea ice extent and atmospheric and hydrospheric processes
37
42 LONGTERM CHANGES IN ATMOSPHERIC PRESSURE FIELDS AND ATMOSPHERIC CIRCULATION INDICES
42
43 CLIMATIC CHANGES IN THE ARCTIC BASIN ICE DRIFT PATTERN
53
44 CHANGES IN ICE EXCHANGE BETWEEN THE ARCTIC BASIN MARGINAL SEAS AND THE GREENLAND SEA
56
442 Ice exchange between the Arctic Seas and the Arctic Basin
62
45 LONGTERM CHANGES IN MULTIYEAR ICE EXTENT IN THE ARCTIC BASIN
69
63 SEAICE VARIABILITY DURING 20032008
117
Conclusions
131
Mean monthly ice index values in April and August for the Eurasian Arctic Seas for 19002008
134
Mean annual surface air temperature SAT in the zone from 7085N for 19002007
141
Mean annual zonality index in the atmosphere of the zone from 4065N for 19002007
143
References
145
Index
161
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