scholarly journals Late-spring and summertime tropospheric ozone and NO<sub>2</sub> in western Siberia and the Russian Arctic: regional model evaluation and sensitivities

2021 ◽  
Vol 21 (6) ◽  
pp. 4677-4697
Author(s):  
Thomas Thorp ◽  
Stephen R. Arnold ◽  
Richard J. Pope ◽  
Dominick V. Spracklen ◽  
Luke Conibear ◽  
...  
Keyword(s):  
Dry Deposition ◽  
Tropospheric Ozone ◽  
Western Siberia ◽  
Late Spring ◽  
The Arctic ◽  
Transport Sector ◽  
Anthropogenic Emissions ◽  
Negative Bias ◽  
Russian Arctic ◽  
The Impact

Abstract. We use a regional chemistry transport model (Weather Research and Forecasting model coupled with chemistry, WRF-Chem) in conjunction with surface observations of tropospheric ozone and Ozone Monitoring Instrument (OMI) satellite retrievals of tropospheric column NO2 to evaluate processes controlling the regional distribution of tropospheric ozone over western Siberia for late spring and summer in 2011. This region hosts a range of anthropogenic and natural ozone precursor sources, and it serves as a gateway for near-surface transport of Eurasian pollution to the Arctic. However, there is a severe lack of in situ observations to constrain tropospheric ozone sources and sinks in the region. We show widespread negative bias in WRF-Chem tropospheric column NO2 when compared to OMI satellite observations from May–August, which is reduced when using ECLIPSE (Evaluating the Climate and Air Quality Impacts of Short-Lived Pollutants) v5a emissions (fractional mean bias (FMB) = −0.82 to −0.73) compared with the EDGAR (Emissions Database for Global Atmospheric Research)-HTAP (Hemispheric Transport of Air Pollution) v2.2 emissions data (FMB = −0.80 to −0.70). Despite the large negative bias, the spatial correlations between model and observed NO2 columns suggest that the spatial pattern of NOx sources in the region is well represented. Scaling transport and energy emissions in the ECLIPSE v5a inventory by a factor of 2 reduces column NO2 bias (FMB = −0.66 to −0.35), but with overestimates in some urban regions and little change to a persistent underestimate in background regions. Based on the scaled ECLIPSE v5a emissions, we assess the influence of the two dominant anthropogenic emission sectors (transport and energy) and vegetation fires on surface NOx and ozone over Siberia and the Russian Arctic. Our results suggest regional ozone is more sensitive to anthropogenic emissions, particularly from the transport sector, and the contribution from fire emissions maximises in June and is largely confined to latitudes south of 60∘ N. Ozone dry deposition fluxes from the model simulations show that the dominant ozone dry deposition sink in the region is to forest vegetation, averaging 8.0 Tg of ozone per month, peaking at 10.3 Tg of ozone deposition during June. The impact of fires on ozone dry deposition within the domain is small compared to anthropogenic emissions and is negligible north of 60∘ N. Overall, our results suggest that surface ozone in the region is controlled by an interplay between seasonality in atmospheric transport patterns, vegetation dry deposition, and a dominance of transport and energy sector emissions.

scholarly journals Late-Spring and Summertime Tropospheric Ozone and NO<sub>2</sub> in Western Siberia and the Russian Arctic: Regional Model Evaluation and Sensitivities

2020 ◽  
Author(s):  
Thomas Thorp ◽  
Stephen R. Arnold ◽  
Richard J. Pope ◽  
Dominic V. Spracklen ◽  
Luke Conibear ◽  
...  
Keyword(s):  
Dry Deposition ◽  
Tropospheric Ozone ◽  
Western Siberia ◽  
Surface Ozone ◽  
Late Spring ◽  
The Arctic ◽  
Transport Sector ◽  
Anthropogenic Emissions ◽  
Negative Bias ◽  
Russian Arctic

Abstract. We use a regional chemistry transport model (WRF-Chem) in conjunction with surface observations of tropospheric ozone and Ozone Monitoring Instrument (OMI) satellite retrievals of tropospheric column NO2 to evaluate processes controlling the regional distribution of tropospheric ozone over Western Siberia for late-spring and summer in 2011. This region hosts a range of anthropogenic and natural ozone precursor sources, and serves as a gateway for near-surface transport of Eurasian pollution to the Arctic. However, there is a severe lack of in-situ observations to constrain tropospheric ozone sources and sinks in the region. We show widespread negative bias in WRF-Chem tropospheric column NO2 when compared to OMI satellite observations from May – August, which is reduced when using ECLIPSE v5a emissions (FMB= -0.82 to -0.73) compared with the EDGAR-HTAP-2 emissions data (FMB= -0.80 to -0.70). Despite the large negative bias, the spatial correlations between model and observed NO2 columns suggest that the spatial pattern of NOx sources in the region is well represented. Based on ECLIPSE v5a emissions, we assess the influence of the two dominant anthropogenic emission sectors (transport and energy) and vegetation fires on surface NOx and ozone over Siberia and the Russian Arctic. Our results suggest regional ozone is more sensitive to anthropogenic emissions, particularly from the transport sector, and the contribution from fire emissions maximises in June and is largely confined to latitudes south of 60° N. Large contributions to surface ozone from energy emissions are simulated in April north of 60° N, due to emissions associated with oil and gas extraction. Ozone dry deposition fluxes from the model simulations show that the dominant ozone dry deposition sink in the region is to forest, averaging 6.0 Tg of ozone per month, peaking at 9.1 Tg of ozone deposition during June. The impact of fires on ozone dry deposition within the domain is small compared to anthropogenic emissions, and is negligible north of 60° N. Overall, our results suggest that surface ozone in the region is controlled by an interplay between seasonality in atmospheric transport patterns, vegetation dry deposition, and a dominance of transport and energy sector emissions.

Healthcare System in the Arctic Zone of Russia. Known and Emerging Issues and Solutions to Them

2019 ◽  
pp. 3-20
Author(s):  
V.N. Leksin
Keyword(s):  
Metallurgical Industry ◽  
Healthcare Services ◽  
The Arctic ◽  
Russian Arctic ◽  
Arctic Zone ◽  
Shift Workers ◽  
The North ◽  
Medical Institutions ◽  
Emerging Issues ◽  
The Impact

The impact on healthcare organization on the territory of Russian Arctic of unique natural and climatic, demographic, ethnic, settlement and professional factors of influencing the health of population, constantly or temporarily living on this territory is studied. The necessity is substantiated of various forms and resource provision with healthcare services such real and potential patients of Arctic medical institutions, as representatives of indigenous small peoples of the North, workers of mining and metallurgical industry, military personnel, sailors and shift workers. In this connection a correction of a number of All-Russian normative acts is proposed.

scholarly journals The impact of digitalization of the economy on the development of enterprises in the Arctic

2020 ◽  
Vol 220 ◽  
pp. 01041
Author(s):  
Maria Plakhotnikova ◽  
Alexander Anisimov ◽  
Anastasia Kulachinskaya ◽  
Liliya Mukhametova
Keyword(s):  
Development Strategy ◽  
Development Strategies ◽  
The Arctic ◽  
Russian Arctic ◽  
Factors Affecting ◽  
External Conditions ◽  
Enterprise Level ◽  
National Economies ◽  
The Impact ◽  
Negative Factors

The peculiarities of the development of the regions belonging to the Arctic zone of the Russian Federation (AZRF) are determined by geopolitical, climatic and other factors. Currently, the issues of digital transformation of national economies are paramount for all countries. However, the existing crisis phenomena caused by the economic crisis of 2008 and the COVID-19 pandemic have made their own adjustments to this process. The current conditions require both the creation of an appropriate digital infrastructure at the federal and regional levels, and the adjustment of existing development strategies at the enterprise level. However, the benefits of the digital economy will only benefit those enterprises that can adapt their development strategy in accordance with external conditions. The purpose of the study is to assess the impact of digitalization of the economy on the development of enterprises in the Arctic, as well as to form a list of the main problems in this area and search for possible ways to solve them. As a result of the study, the authors obtained the following results: (1) identified both positive and negative factors affecting the digitalization of the Russian Arctic; (2) a profile of the directions of digitalization of the Russian Arctic was created and the priority areas of digitalization were determined; (3) it was concluded that the digitalization of national economies opens up great opportunities for the further development of enterprises. However, to achieve this goal, it is necessary to timely adjust the development strategies of enterprises, taking into account the national and regional characteristics of digitalization.

scholarly journals Source attribution of Arctic black carbon constrained by aircraft and surface measurements

2017 ◽  
Vol 17 (19) ◽  
pp. 11971-11989 ◽  
Author(s):  
Jun-Wei Xu ◽  
Randall V. Martin ◽  
Andrew Morrow ◽  
Sangeeta Sharma ◽  
Lin Huang ◽  
...  
Keyword(s):  
North America ◽  
Biomass Burning ◽  
Western Siberia ◽  
Transport Model ◽  
Chemical Transport ◽  
The Arctic ◽  
Anthropogenic Emissions ◽  
Chemical Transport Model ◽  
Northern Asia ◽  
Airborne Measurements

Abstract. Black carbon (BC) contributes to Arctic warming, yet sources of Arctic BC and their geographic contributions remain uncertain. We interpret a series of recent airborne (NETCARE 2015; PAMARCMiP 2009 and 2011 campaigns) and ground-based measurements (at Alert, Barrow and Ny-Ålesund) from multiple methods (thermal, laser incandescence and light absorption) with the GEOS-Chem global chemical transport model and its adjoint to attribute the sources of Arctic BC. This is the first comparison with a chemical transport model of refractory BC (rBC) measurements at Alert. The springtime airborne measurements performed by the NETCARE campaign in 2015 and the PAMARCMiP campaigns in 2009 and 2011 offer BC vertical profiles extending to above 6 km across the Arctic and include profiles above Arctic ground monitoring stations. Our simulations with the addition of seasonally varying domestic heating and of gas flaring emissions are consistent with ground-based measurements of BC concentrations at Alert and Barrow in winter and spring (rRMSE  < 13 %) and with airborne measurements of the BC vertical profile across the Arctic (rRMSE  = 17 %) except for an underestimation in the middle troposphere (500–700 hPa).Sensitivity simulations suggest that anthropogenic emissions in eastern and southern Asia have the largest effect on the Arctic BC column burden both in spring (56 %) and annually (37 %), with the largest contribution in the middle troposphere (400–700 hPa). Anthropogenic emissions from northern Asia contribute considerable BC (27 % in spring and 43 % annually) to the lower troposphere (below 900 hPa). Biomass burning contributes 20 % to the Arctic BC column annually.At the Arctic surface, anthropogenic emissions from northern Asia (40–45 %) and eastern and southern Asia (20–40 %) are the largest BC contributors in winter and spring, followed by Europe (16–36 %). Biomass burning from North America is the most important contributor to all stations in summer, especially at Barrow.Our adjoint simulations indicate pronounced spatial heterogeneity in the contribution of emissions to the Arctic BC column concentrations, with noteworthy contributions from emissions in eastern China (15 %) and western Siberia (6.5 %). Although uncertain, gas flaring emissions from oilfields in western Siberia could have a striking impact (13 %) on Arctic BC loadings in January, comparable to the total influence of continental Europe and North America (6.5 % each in January). Emissions from as far as the Indo-Gangetic Plain could have a substantial influence (6.3 % annually) on Arctic BC as well.

scholarly journals Digitalization in Education and Distance Barriers in the Russian Arctic: Problems and Prospects

2021 ◽  
pp. 144-160
Author(s):  
Natalya V. DYADIK ◽  
◽  
Anastasiya N. CHAPARGINA ◽  
◽  
Keyword(s):  
New Technologies ◽  
Educational Process ◽  
The Arctic ◽  
Russian Arctic ◽  
Highly Qualified ◽  
Arctic Regions ◽  
Active Dissemination ◽  
Labor Resources ◽  
Impact Of Urbanization ◽  
The Impact

In the era of digital technologies, the issues of providing highly qualified personnel, the effective use of the intellectual potential of the territory and the creation of conditions for its reproduction are of particular importance. These problems are more acute in remote areas of the Russian Arctic. This is due, firstly, to the ultradispersity of the settlement system in the Arctic of the Russian Federation, and, secondly, to the imbalance between the demand and supply of labor resources in territorial and professional terms. Digitalization has become an integral component of education all over the world; therefore, the purpose of this article is to assess the availability of education in the regions of the Russian Arctic and to search for new targets for quality education in the context of digital transformation. The existing educational environment in the Arctic regions is analyzed in the article. The impact of urbanization degree on affordable education in remote Arctic regions is assessed. The financial capabilities of the population are investigated. Based on the analysis, a number of problems associated with the active dissemination of new technologies are identified. Recommendations for improving the educational process are given, taking into account the digitalization of society. The main stages of modernization of the educational process in remote regions of the Arctic are identified.

scholarly journals On Assessment of Climatic Risks and Vulnerability of Natural and Economic Systems in the Sea Zone of the Russian Arctic

2018 ◽  
Vol 64 (1) ◽  
pp. 55-70 ◽  
Author(s):  
S. A. Soldatenko ◽  
G. V. Alekseev ◽  
N. E. Ivanov ◽  
A. E. Vyazilova ◽  
N. E. Kharlanenkova
Keyword(s):  
Climate Change ◽  
Information Support ◽  
The Arctic ◽  
Economic Systems ◽  
Russian Arctic ◽  
Sea Ice Extent ◽  
Impact Of Climate Change ◽  
Arctic Sea ◽  
Climatic Risks ◽  
The Impact

The article presents an analysis of the impacts of climate change on the natural and economic systems of theArcticand the existing methods for assessing climatic risks. Based on the analysis of the impact of climate change on natural and economic systems and the Arctic population, a register of risks due to climate change has been formed. A conceptual model for assessing the impact of climate change on various systems is proposed. The main problems in the identification of climatic risks in theArcticare identified. Indicators of climate change were selected: the surface air temperature; sea ice extent and the frequency of dangerous hydrometeorological phenomena that affect economic activity in the Arctic sea zone and its individual regions. The assessment methodology of natural and economic systems vulnerabilities in the Russian Arctic sea zone, including susceptibility to impacts, sensitivity and adaptive potential, is considered. These are the key factors on the basis of which the systems vulnerability to climate change is determined, as well as the information support of the processes of assessment and reduction of the consequences of climate threats. The algorithm of the developed methodology for vulnerability determining includes a sequence of 7 steps.

scholarly journals Stratospheric impact on the Northern Hemisphere winter and spring ozone interannual variability in the troposphere

2019 ◽  
Author(s):  
Junhua Liu ◽  
Jose M. Rodriguez ◽  
Luke D. Oman ◽  
Anne R. Douglass ◽  
Mark A. Olsen ◽  
...  
Keyword(s):  
North America ◽  
Tropospheric Ozone ◽  
Interannual Variation ◽  
Stratospheric Ozone ◽  
Lower Troposphere ◽  
The Arctic ◽  
Vertical Extent ◽  
Pinatubo Eruption ◽  
Tropospheric O3 ◽  
The Impact

Abstract. In this study we use O3 and stratospheric O3 tracer simulations from the high-resolution Goddard Earth Observing System, Version 5 (GEOS-5) Replay run (MERRA-2 GMI at 0.5° model resolution ~ 50 km) and observations from ozonesondes to investigate the interannual variation and vertical extent of the stratospheric ozone impact on tropospheric ozone. Our work focuses on the winter and spring seasons over North America and Europe. The model reproduces the observed interannual variation of tropospheric O3, except for the Pinatubo period from 1991 to 1995 over the region of North America. Ozonesonde data show a negative ozone anomaly in 1992–1994 following the Pinatubo eruption, with recovery thereafter. The simulated anomaly is only half the magnitude of that observed. Our analysis suggests that the simulated Stratosphere-troposphere exchange (STE) flux deduced from the analysis might be too strong over the North American (50° N–70° N) region after the Mt. Pinatubo eruption in the early 1990s, masking the impact of lower stratospheric O3 concentration on tropospheric O3. European ozonesonde measurements show a similar but weaker O3 depletion after the Mt. Pinatubo eruption, which is fully reproduced by the model. Analysis based on a stratospheric O3 tracer (StratO3) identifies differences in strength and vertical extent of stratospheric ozone influence on the tropospheric ozone interannual variation (IAV) between North America and Europe. Over North America, the StratO3 IAV has a significant impact on tropospheric O3 from the upper to lower troposphere and explains about 60 % and 66 % of simulated O3 IAV at 400 hPa, ~ 11 % and 34 % at 700 hPa in winter and spring respectively. Over Europe, the influence is limited to the middle to upper troposphere, and becomes much smaller at 700 hPa. The stronger and deeper stratospheric contributions in the tropospheric O3 IAV over North America shown by the model is likely related to ozonesondes' being closer to the polar vortex in winter with lower geopotential height, lower tropopause height, and stronger coupling to the Arctic Oscillation in the lower troposphere (LT) than over Europe.

scholarly journals Permanent Gas Emission from the Seyakha Crater of Gas Blowout, Yamal Peninsula, Russian Arctic

Energies ◽  
2021 ◽  
Vol 14 (17) ◽  
pp. 5345
Author(s):  
Vasily Bogoyavlensky ◽  
Igor Bogoyavlensky ◽  
Roman Nikonov ◽  
Vladimir Yakushev ◽  
Viacheslav Sevastyanov
Keyword(s):  
Western Siberia ◽  
Remote Sensing Data ◽  
Energy Resources ◽  
The Arctic ◽  
Yamal Peninsula ◽  
Russian Arctic ◽  
Gas Emission ◽  
Gas Emissions ◽  
High Level ◽  
The Yamal Peninsula

The article is devoted to the four-year (2017–2020) monitoring of gas emissions from the bottom of the Seyakha Crater, located in the central part of the Yamal Peninsula (north of Western Siberia). The crater was formed on 28 June 2017 due to a powerful blowout, self-ignition and explosion of gas (mainly methane) at the site of a heaving mound in the river channel. On the basis of a comprehensive analysis of expeditionary geological and geophysical data (a set of geophysical equipment, including echo sounders and GPR was used) and remote sensing data (from space and with the use of UAVs), the continuing nature of the gas emissions from the bottom of the crater was proven. It was revealed that the area of gas seeps in 2019 and 2020 increased by about 10 times compared to 2017 and 2018. Gas in the cryolithosphere of the Arctic exists in free and hydrated states, has a predominantly methane composition, whereas this methane is of a biochemical, thermogenic and/or mixed type. It was concluded that the cryolithosphere of Yamal has a high level of gas saturation and is an almost inexhaustible unconventional source of energy resources for the serving of local needs.

scholarly journals EFFICIENCY OF USING REMOTE METHODS OF ENVIRONMENTAL MONITORING IN THE RUSSIAN ARCTIC (ON THE EXAMPLE OF OIL AND GAS COMPANIES)

2020 ◽  
Vol 70 (4/2020) ◽  
pp. 126-139
Author(s):  
A. E. Cherepovitsyn ◽  
◽  
D. M. Metkin ◽  
Keyword(s):  
Environmental Monitoring ◽  
Remote Monitoring ◽  
Oil And Gas ◽  
Economic Feasibility ◽  
The Arctic ◽  
Russian Arctic ◽  
Negative Consequences ◽  
Ecological Situation ◽  
Industrial Facilities ◽  
The Impact

The Arctic zone of the Russian Federation (AZRF) is characterized by the fragility of the ecosystem, the slightest violation of which can lead to catastrophic negative consequences on a global scale. Due to the availability of production facilities of various scales and environmental safety classes within the territorial and aquatic Arctic, the risk of negative impact on the environment is very significant. In order to prevent possible environmental damage within the AZRF, it is advisable to carry out activities related to the implementation of continuous monitoring of the environment aimed at detecting sources that pose a potential threat to the ecosystem. Taking into account the harsh Arctic climate, the lack of the possibility of year-round land access to industrial facilities located in the Russian Arctic, the scale and peculiarities of the implementation of Arctic offshore projects for the extraction and processing of hydrocarbons, the length and congestion of the used logistic artery - the Northern Sea Route, the choice of means, which are used for monitoring the ecological situation is justified by their mobility and efficiency. In particular, such means include technologies that allow remote monitoring of the environmental situation of industrial facilities. The article outlines the role of remote methods of environmental monitoring and control in the system of environmental protection measures of the Russian Arctic, presents methods for assessing the impact of industrial facilities of the oil and gas complex (OGC) on the environment of the Russian Arctic, presents the results of assessing the effectiveness of using remote methods of environmental monitoring of industrial facilities for the production and processing of hydrocarbons (HC) in the AZRF. The scientific novelty of the study lies in the substantiation of the ecological and economic feasibility of using the methods of remote monitoring of the ecological situation in the Arctic.

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