 | № 4 (94) 2012 Содержание
| Н.Е.Иванов, А.П.Макштас Многолетняя изменчивость характеристик климата Северной Якутии (.pdf) | 5 | | В.И.Дымов, Г.К.Зубакин, Ю.П.Клеванцов, В.А.Рожков, Е.А.Скутина Ветер
и волны в Печорском море (.pdf) | 23 | | Ю.П.Клеванцов, В.А.Рожков, К.Г.Смирнов, Н.А.Сухих Статистический
анализ вертикального распределения трехкомпонентного вектора скорости
морских течений (.pdf) | 41 | | В.Г.Дмитриев, Д.В.Ковалевский, Г.В.Алексеев, Л.П.Бобылев К оценке рисков,
обусловленных неблагоприятными гидрометеорологическими явлениями
и климатическими аномалиями в Арктике (.pdf) | 52 | | В.Ю.Александров , О.М.Йоханнессен Изменения толщины льда в Арктике
с конца xix века (.pdf) | 63 | | И.М.Ашик, И.В.Рыжов Экстремальные колебания уровня арктических морей
и их многолетние изменения (.pdf) | 74 | | Д.В.Ковалевский, Г.В.Алексеев, Л.П.Бобылев, А.И.Данилов Последствия
изменений климата для некоторых видов хозяйственной деятельности в Арктике (.pdf) | 90 | | Б.В.Иванов В.Ф.Тимачев Тепловой баланс снежной поверхности
морского льда в море Лаптевых весной 2009 г (.pdf) | 99 | | Е.А.Логвина, В.А.Гладыш, Н.В.Кубышкин, А.В.Нестеров, Р.А.Виноградов Оценка заносимости подходного и морского каналов к порту
в поселке Сабетта полуострова Ямал (.pdf) | 105 |
Table of contents
| N.E.Ivanov, A.P.Makshtas Long-term variability of climate characteristics
in the Northern Yakutia | 5 | | The article continues the series of papers directed to description of current climate in the Northern Yakutia with special attention to the area of Tiksi Hydrometeorological Observatory. The data of standard meteorological measurements executed at HMO Tiksi and network of the Northern Yakutia meteorological stations during 1978–2010 years, stored in the new electronic archive, are analyzed. The tables and charts of spatial distributions of temporal variability of daily-mean meteorological parameters, trends of its monthly mean values together with charts of multy-year averaged values and coefficients of correlation are presented. The influence of synoptic-scale processes on the long- term trends is specified.
| | V.I.Dymov, G.K.Zubakin, Yu.P.Klervantsov, V.A.Rozhkov, E.A.Skutina Wind and sea waves in the Pechora sea | 23 | | 2012-10-03 The discussion questions of the handbook contents and structure of the wind and sea waves regime in the Pechora Sea are considered. The multivariate statistical analysis of the wind and sea waves fields ensemble was the foundation of speculation, and this ensemble has been obtained by the model computation of wave spectrum by reanalysis of wind velocity fields in 1949–2005.
| | Yu.P.Klevantsov, V.A.Rozhkov, K.G.Smirnov, N.A.Sukhikh Statistical analysis
of verttical distribution of the sea current velocity three-component vector | 41 | | 2012-10-25 The generalization of vector-algebraic method of sea current probabilistic analysis was given to the more common case (three-component vector, set of data on different horizons). The example of synchronous measurements of three-component vector U ( z, t ) of current velocity by the device ADCP (Acoustic Doppler Current Profiler) on the set of horizons (z) with minute discreteness in extended time lapse in the Gulf of Finland of the Baltic Sea was cited. The actual problems of current measurement analysis in arctic seas (where ADCP-measurements already are in hand) are listed.
| | V.G.Dmitriev, D.V.Kovalevsky, G.V.Alekseev, L.P.Bobylev Assessing the risks
of adverse hydrometeorological conditions and climate anomalies in the Arctic | 52 | | 2012-10-29 Problems of risk assessment for economic sectors in the Arctic due to adverse hydrometeorological conditions and climate anomalies are discussed, including the stage of risk monetization. Climate risks for marine transportation and oil and gas industry on the Arctic shelf are considered. Effects of reduced sea ice extent and possible future deterioration of wave climate are evaluated.
| | V.Yu.Alexandrov , O.M.Johannessen. Changes of ice thickness in the arctic since
the end of 19th century | 63 | | 2012-09-17 The paper deals with analysis of ice thickness changes in the Arctic in the period since the end of 19th Century and until present time. Comparison of ice thickness measurements made during «Fram» and «Sedov» drift shows that the approximately 25 % decrease of ice thickness in the area of the Laptev Sea and the nearby part of the Arctic Ocean from 1893 to 1937–1939 is due to significant decrease of freezing-degree days in winters of 1937–1939 as compared with 1893–1894 winter. A number of publications report significant decrease of ice thickness in the end of 20th – beginning of 21st Centuries, caused by multiyear ice area shrinking. The average thicknesses of multiyear and first-year ice also decreased, but less substantially. Record shows the largest rate of ice cover thinning in the period 2003–2008. While sea ice thickness in the Arctic is observed to be decreasing there are some regions, as for example that to the north of Greenland, where thickness was similar to that in the 1980s. In the period since 2007 until now no substantial changes of ice thickness were recorded. Analysis of changes in fast ice thickness in the areas of the Barents Sea, Eurasian Arctic Seas and in the Canadian Arctic reveal that the largest thinning of 0,11 m/decade was measured in the area of Hopen Island. A rate of decrease in fast ice thickness in the Eurasian Arctic Seas and in the Canadian Arctic was substantially less and in some stations ice thickness has increased.
| | I.M.Ashik, I.V.Ryzhov Extreme sea level oscillations in the Arctic seas and their
long-term changes | 74 | | 2012-08-28 The conditions of the extreme (an annual maximum, a minimum and size) sea level oscillations on stations of the Russian Arctic seas is described in article. Spatial distribution of the parameters of extreme sea level oscillations is analyzed and their dependence on morphometry of the Arctic seas and their areas is shown. The estimation of the trends of annual maxima, minima and sizes sea level oscillations is executed and the existence of the long-term tendency to reduction of the values of annual maxima and sizes of sea level oscillations is shown. The hypothesis explaining marked regularity is offered.
| | D.V.Kovalevsky, G.V.Alekseev, L.P.Bobilev, A.I.Danilov Impacts of climate change
on certain economic activities in the Arctic | 90 | | 2012-10-29 The impacts of projected climate change on a number of economic activities in the Arctic (shipping, offshore oil and gas industry, fisheries) are discussed. The necessity of broad application of scenario approach to assessment of socioeconomic impacts of Arctic climate change is justified.
| | B.V.Ivanov, V.F.Timachev The thermal balance of the snow surface of the sea ice
in the Laptev sea in the spring of 2009 | 99 | | 2012-11-07 In the period of the expedition TRANSDRIFT XV have completed the continuous observations on four different sites aling the ice edge of West New Sibirian-Polynya during the period from 24 March to 23 April 2009 using Automatic Weather Stations (AWS).On the basis of the received data evaluated by the components of the heat balance on the snow surface.
| | E.A.Logvina, V.A.Gladysh, N.V.Kubyshkin, A.V.Nesterov, R.A.Vinogradov Estimation of sediment accumulation in the approach and maritime canals
to the port of Sabetta (Yamal peninsula) | 105 | | 2012-07-13 In the article results of calculations of sediment accumulation in the approach and maritime canals of the largest in the Russian Arctic port for liquefied natural gas and gas condensate transportation (Sabetta area, Yamal peninsula) are presented. Calculations were carried out taking into account the metocean (hydrological), morpho-lithodynamic and geological-geomorphological investigations in a northern part of Ob Bay. The data of the recent surveys of the northern Ob Bay area (the Yamal and Yavai peninsulas) are used. The mean annual sediment accumulation rate in the approach canal to the port of Sabetta is 0,189 m and 0,211 m, and in the maritime canal of Ob Bay – 0,055 m and 0,229 m for absolute depths of canals «–12 m BS-77» and «–16 m BS-77» respectively.
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