scholarly journals Geoinformation monitoring of the territory of Western Siberia

2021 ◽  
Vol 244 ◽  
pp. 03026
Author(s):  
Natalia Martynova ◽  
Valentina Budarova
Keyword(s):  
Gas Hydrates ◽  
Industrial Development ◽  
Western Siberia ◽  
Global Climate ◽  
Gis Technology ◽  
Siberian Region ◽  
Global Climate Warming ◽  
Scientific Experiments ◽  
Natural Mechanism ◽  
Observation Method

The article is devoted to the use of GIS technology for the control of swamp areas and environmental problems associated with the drainage of swamps in the industrial development of the West Siberian region, the main functions of swampy areas in the biosphere. The study examines the problems of drainage of swampy lands on the example of the territory of Western Siberia. Problems of the “greenhouse effect” and global climate warming, as well as problems of degradation and conservation of permafrost in the cryolithozone. It is established that swamps, as a natural mechanism for removing carbon dioxide from the atmosphere, are the only land geosystems with a constant flow of atmospheric carbon there. The problem associated with gas hydrates and the possibility of activation of microorganisms during the degradation of permafrost has been identified. To date, in the course of scientific experiments and studies based on the observation method, it has been established that natural gas hydrates are extremely sensitive to various technogenic factors.

The influence of global climate changes on Western Siberia climate in the first half of XXI century

2018 ◽  
Author(s):  
А.А. Лагутин ◽  
Н.В. Волков ◽  
Е.Ю. Мордвин
Keyword(s):  
Radiative Forcing ◽  
Climate Changes ◽  
Western Siberia ◽  
Climate Model ◽  
Global Climate ◽  
Regional Climate ◽  
First Century ◽  
Global Climate Changes ◽  
Rcp 8.5

Представлены результаты исследований влияния глобальных климатических изменений системы Земля на климат Западной Сибири. Для установления зон региона, в которых к середине XXI в. прогнозируются изменения, использовались модельные данные региональной климатической модели RegCM4 и принятые в этом классе задач стандартизованные евклидовы расстояния между характеристиками климата для двух состояний климатической системы — современного и будущего. Установлены зоны Западной Сибири, в которых в рамках сценариев RCP 4.5 и RCP 8.5 возможной эволюции глобальной системы к 2050 г. прогнозируются изменения климата. Purpose. An analysis of the influence of a global climate changes on the climate of Western Siberia, determination of zones of the region where changes are expected in the middle of the twenty-first century. Methodology. Results obtained using the model data of the regional climate model RegCM4 and the standardized Euclidean distances between climate characteristics. Findings, originality. Simulations of the climate characteristics for the two states of the climate system — contemporary and future — have been carried out. The zones of Western Siberia region, in which climate change is expected in the framework of RCP 4.5 and RCP 8.5 radiative forcing scenarios by the 2050, have been determined.

scholarly journals Seasonality of consumption of traditional products of reindeer husbandry and river fishing by indigenous people of the Arctic zone of Western Siberia in the context of climate change

2021 ◽  
Vol 100 (6) ◽  
pp. 610-616
Author(s):  
Sergey V. Andronov ◽  
Andrey A. Lobanov ◽  
Irina V. Kobel’kova ◽  
Andrey I. Popov ◽  
Luo Luo ◽  
...  
Keyword(s):  
Climate Change ◽  
Russian Federation ◽  
Industrial Development ◽  
Western Siberia ◽  
Local Food ◽  
Developed Countries ◽  
The Arctic ◽  
Arctic Zone ◽  
Annual Consumption ◽  
The Russian Federation

Introduction. The nutrition of the Nenets in the Arctic zone of Western Siberia is mainly based on traditional products (raw (thermally unprocessed) local fish and venison), which is the most important factor of survival in the Arctic. Storing up food products for an extended period is not relevant for the Nenets. Climate change and industrial development in the Arctic primarily affect the seasonality of consumption. Changing the calendar of fish and venison harvesting leads to greater use of imported and canned local food, increasing the length of the periods when local food completely disappears from the diet of the Nenets. Material and methods. During the expeditions to the national villages of the Yamal-Nenets Autonomous Okrug, cross-sectional screening studies were performed, in which 985 Nenets people took part. Nutritional analysis was conducted using the questionnaire method based on an album of portions and dishes. Retrospective information was collected on the seasonality of consumption of reindeer products and local fisheries (the length of the period when unserved fish and venison are available). Results. The consumption of reindeer and river fishery products is seasonal. The duration of the season of venison consumption was from 150±14.0 to 180±21.0, and raw fish - from 120±14.0 to 200±21.0 days. Despite the high level of consuming reindeer products per season, the average annual consumption of venison by Nenets in the Arctic zone of Western Siberia was 240 g/day/person that is less than in the central regions of the Russian Federation and industrially developed countries. In the studied area, the average annual consumption of fish (171.5 g/day/person) is three times higher than the average consumption in the Russian Federation. However, increased consumption of traditional food is typically only during the season of fishing or slaughtering reindeer. The average annual consumption reduced; during the off-season, the share of easily digestible carbohydrates in the diet increased. Conclusion. The creation of fish and venison stocks in villages and their year-round sale to the population is a necessary step in ensuring the food security of the Nenets people.

scholarly journals Assessing the influence of an extended hurricane season on inland flooding potential in the Southeast United States

2016 ◽  
Author(s):  
Monica H. Stone ◽  
Sagy Cohen
Keyword(s):  
United States ◽  
Tropical Cyclones ◽  
Climate Warming ◽  
Global Climate ◽  
River Basins ◽  
The United States ◽  
Southeast United States ◽  
Global Climate Warming ◽  
Hurricane Season ◽  
Near Future

Abstract. Recent tropical cyclones, like Hurricane Katrina, have been some of the worst the United States has experienced. Tropical cyclones are expected to intensify, bringing about 20 % more precipitation, in the near future in response to global climate warming. Further, global climate warming may extend the hurricane season. This study focuses on four major river basins (Neches, Pearl, Mobile, and Roanoke) in the Southeast United States that are frequently impacted by tropical cyclones. An analysis of the timing of tropical cyclones that impact these river basins found that most occur during the low discharge season, and thus rarely produce riverine flooding conditions. However, an extension of the current hurricane season of June–November, due to global climate warming, could encroach upon the high discharge seasons in these basins, increasing the susceptibility for riverine hurricane-induced flooding. This analysis shows that an extension of the hurricane season to May–December (just 2 months longer) increased the number of days that would be at risk to flooding were the average tropical cyclone to occur by 37–258 %, depending on the timing of the hurricane season in relation to the high discharge seasons on these rivers. Future research should aim to extend this analysis to all river basins in the United States that are impacted by tropical cyclones in order to provide a bigger picture of which areas are likely to experience the worst increases in flooding risk due to a probable extension of the hurricane season with expected global climate change in the near future.

Numerical Simulation of Pile Foundations of Qinghai-Tibet Power Transmission Line: Influence of Temperature Region

2014 ◽  
Vol 501-504 ◽  
pp. 218-223 ◽  
Author(s):  
Lin Chen ◽  
Wen Bing Yu ◽  
Wei Bo Liu ◽  
Xin Yi
Keyword(s):  
Climate Warming ◽  
Pile Foundation ◽  
Power Transmission ◽  
Global Climate ◽  
Element Model ◽  
Pile Foundations ◽  
Thermal Fields ◽  
Global Climate Warming ◽  
Thaw Depth ◽  
Permafrost Regions

To analyze the thermal effect of the pile foundation of permafrost, a two-dimensional transient finite element model of the thermal fields with phase change were established. The developments of heat influence limit and maximum thawed depth with and without climate warming were predicted and analyzed. Results indicate that (1) the heat influence limit and maximum thaw depth in permafrost regions enlarge with time elapse, while the global climate warming will have a greater influence to full-space pile foundation compared with the cone-cylinder pile foundation; (2) Considering the global climate warming, heat influence limit (Lmax) and maximum thaw depth (Hmax) in 50th year for full-space pile foundation, cone-cylinder pile foundation are 10.1m, 5.2m, 4.1m, 3.7m, respectively; the maximum thaw depth of full-space pile foundation during the operation will have exceeded the depth of structure (2.5m), which might put the structure at risk; (3) the structure of cone-cylinder pile foundation could effectively preserve permafrost and avoid pile foundations failure; (4) the spacing of cone-cylinder pile foundations is reasonable and the interaction of temperature distribution among cone-cylinder pile foundations can be negligible.

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