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Geographical and seasonal distribution of tidal body force field in the Sea of Okhotsk in the context of internal wave dynamics 内波动力学背景下鄂霍次克海潮体力场的地理和季节分布
IF 1.3 Q4 GEOSCIENCES, MULTIDISCIPLINARY Pub Date : 2022-11-23 DOI: 10.2205/2022es000832
M. Kokoulina, O. Kurkina, E. Rouvinskaya, A. Kurkin
Estimates of the barotropic tidal body force for diurnal and semidiurnal tides are obtained for the Sea of Okhotsk for the summer and winter periods. It is shown that in the study area, the tidal body force for diurnal tides is significantly greater than for semidiurnal ones. The maximum values of this quantity can reach about 2-8 m2s-2, and these values are typical for areas with a sharp bathymetric gradient. A comparison of the tidal body force for the two seasons showed noticeable differences. The features of the transformation of a barotropic tidal wave propagating in the zone of large values of the tidal body force for the K1, O1, M2 tidal constituents are demonstrated. Numerical simulations indicate that baroclinic tidal waves are effectively generated in this area, and intense short-period internal waves are likely to occur.
对鄂霍次克海夏季和冬季的日潮和半日潮的正压潮体力进行了估计。结果表明:研究区日潮的潮体力明显大于半日潮。这个量的最大值可以达到2-8平方米,这些值是具有明显水深梯度的地区的典型值。对比两个季节的潮体力,差异明显。揭示了正压潮汐波在大潮体力区传播的K1、O1、M2潮分量的转换特征。数值模拟结果表明,该地区斜压波有效产生,并可能产生强烈的短周期内波。
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引用次数: 0
Exploring the Nature of Seismic Events in the Underground Gas Storages Area of the Volga Federal District 伏尔加联邦区地下储气库地震事件性质探讨
IF 1.3 Q4 GEOSCIENCES, MULTIDISCIPLINARY Pub Date : 2022-11-23 DOI: 10.2205/2022es000819
A. Batugin, Viktor Ogadzhanov, Sergey Han, S. Shevchuk, S. Kostikov, Anton V. Oborin
Seismicity during UGS operation had not yet been known in Russia. This work presents studies on the manifestation of seismicity in the area of three underground gas storages (UGSs) located in the south-eastern part of the East European Platform (European part of Russia). The tectonic structure of this region, geodynamic conditions and technological characteristics of «Vostochnoye», «Zapadnoye», «Uzhnoye» UGS are presented. An analysis of the situation with the manifestation of seismicity allows us to conclude that it is technogenic in nature, a feature not previously noted on Russian UGSs. There is a wide list of signs indicating the relationship between the mode of operation of UGSs and the nature of seismicity: prior to the start of UGS operation technogenic seismicity in this area was not known; there is a clear correlation between UGS operation and seismicity; the epicenters of seismic phenomena are located in the geodynamic influence zone of the UGS; in the region there are Earth crustal faults that experienced activation in late Cenozoic time and respond to strong earthquakes of neighboring tectonic areas, which consequently indicates their predisposition to reactivation; the change in pressure in the UGS reservoir is sufficient to induce seismicity. The phenomenon of increasing seismic activity during the gas extraction period is noted, which is explained by the effect of softening of the containing massif and its subsequent push-like deformation when the gas pressure in the reservoir is reduced. Despite the weak seismicity, which does not pose a threat to UGS facilities and adjacent territories, it is proposed to include seismic observations in the complex geodynamic monitoring at Russian UGS to establish patterns over a long period of time.
在UGS工作期间,俄罗斯还不知道地震活动。本文研究了位于东欧平台(俄罗斯欧洲部分)东南部的三个地下储气库(UGSs)区域的地震活动性表现。介绍了该地区的构造、“东方港”、“Zapadnoye”、“乌日诺耶”UGS的地球动力学条件和技术特点。对地震活动性表现的分析使我们得出结论,它本质上是技术性的,这是俄罗斯UGSs以前没有注意到的一个特征。有许多迹象表明地下地质勘探仪的操作方式与地震活动性质之间的关系:在地下地质勘探仪开始操作之前,该地区的技术性地震活动并不为人所知;UGS的工作与地震活动之间存在明显的相关性;地震现象的震中位于UGS的地球动力影响区内;区内有晚新生代活化的地壳断裂,对邻近构造区的强震有响应,具有再活化的倾向;UGS储层压力的变化足以诱发地震活动性。注意到气藏抽采期间地震活动增加的现象,这可以解释为储层内气体压力降低时,含气地块的软化及其随后的推式变形的影响。尽管地震活动较弱,不会对UGS设施和邻近地区构成威胁,但建议在俄罗斯UGS复杂的地球动力学监测中纳入地震观测,以建立长期的模式。
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引用次数: 0
Migration of heavy metals in water ecosystems (using the example of the Belaya River in the North-Western Caucasus) 重金属在水生态系统中的迁移(以高加索西北部贝拉亚河为例)
IF 1.3 Q4 GEOSCIENCES, MULTIDISCIPLINARY Pub Date : 2022-11-07 DOI: 10.2205/2022es01si12
R. Toroyan, M. Bedanokov, I. Takh
The results of the study of the content, spatial distribution and transformation of Fe, Mn, Pb, Zn and Cu in the system of benthal deposits of the Belaya River are presented. The results obtained were compared with the background concentrations of metals, which allow us to estimate the anthropogenic component. It has been established that discharges from industries cause increased concentrations of metals in benthal deposits in certain areas of the Belaya River basin.
本文介绍了别拉雅河底栖沉积物体系中Fe、Mn、Pb、Zn和Cu的含量、空间分布和转化规律的研究结果。将所得结果与金属的背景浓度进行比较,使我们能够估计人为成分。已经确定,工业排放造成贝拉亚河流域某些地区底栖沉积物中金属浓度增加。
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引用次数: 0
Assessment of the wind power plants role in CO2 emissions reducing and energy supply in the regions of Russia 评估风力发电厂在俄罗斯地区减少二氧化碳排放和能源供应方面的作用
IF 1.3 Q4 GEOSCIENCES, MULTIDISCIPLINARY Pub Date : 2022-10-31 DOI: 10.2205/2022es01si08
L. Nefedova, K. Degtyarev, M. Berezkin
The article contains an analysis of the share of mayor wind power plants in regional energy mixes and evaluation of their contribution to CO2 emission reducing, basing on the data for wind capacities construction and launch. The estimations showed that wind plants in Republic of Kalmykia could cover more than 94% of industrial and household electricity demand. Forecast evaluations for the wind plants planned to be put into operation until 2024 demonstrate a high wind potential for satisfaction of energy demand in Republics of Kalmykia and Adygeya as well as in Ulyanovsk and Astrakhan regions. The decrease in CO2 emissions in the regions of Russia was estimated by 2024 due to the absence of emissions at wind farms in the amount of 4.5 million tons per year.
本文以风电装机建设和投产数据为基础,分析了主要风力发电厂在区域能源结构中的份额,并评价了其对二氧化碳减排的贡献。估计表明,卡尔梅克共和国的风力发电厂可以满足94%以上的工业和家庭电力需求。对计划到2024年投入运营的风力发电厂的预测评估表明,在满足卡尔梅克共和国和阿德盖亚共和国以及乌里扬诺夫斯克和阿斯特拉罕地区的能源需求方面,风力潜力很大。据估计,到2024年,由于风电场每年减少450万吨的排放量,俄罗斯地区的二氧化碳排放量将减少。
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引用次数: 0
ON SOME FEATURES OF ULTRASOUND REFLECTION WATER-SAMPLE IN AN INCLINED FALL (PHYSICAL MODELING) 斜落超声反射水样的若干特征(物理模拟)
IF 1.3 Q4 GEOSCIENCES, MULTIDISCIPLINARY Pub Date : 2022-10-28 DOI: 10.2205/1681-1208-2022-1-10
A. Lukyanova, K. Fedin, Y. Kolesnikov
In recent years, the analysis of the dependence of reflection coefficients on the magnitude of the angle of incidence of reflected waves has been successfully used in the practice of seismic research. AVO analysis is one of the methods of dynamic analysis that is used to estimate changes in the amplitude of reflected waves depending on the distance between the explosion points and the receivers. The AVO method is based on the analysis of the dependence of the reflection coefficients on the angle of incidence. In real conditions, this dependence can be determined, for example, by the roughness of the boundaries. This determines the relevance of studying the features of reflection coefficients on uneven boundaries on objects with well-controlled properties. The aim of the work is to determine the nature of the influence of different-scale roughness of seismic boundaries on the reflection coefficients of elastic waves. The work also used the technique of isolating standing waves to determine the wave velocity. As a result, graphs were obtained demonstrating the dependence of the reflection coefficients on the magnitude of the angle of incidence of reflected waves from a rough surface. Reflection coefficients were also obtained for the boundary of an isotropic medium in the direction of the isotropy plane and possible ways of applying the results were analyzed. Based on the data obtained, we can say that when the azimuth changes relative to the direction of the surface, the reflection coefficients change significantly only at the supercritical angles of incidence.
近年来,反射系数与反射波入射角大小的关系分析已成功地应用于地震研究实践。AVO分析是动态分析的一种方法,用于估计反射波的振幅随爆炸点与接收机之间距离的变化。AVO方法是在分析反射系数随入射角变化规律的基础上提出的。在实际条件下,这种依赖关系可以通过边界的粗糙度来确定。这就决定了在性质控制良好的物体上研究非均匀边界反射系数特征的意义。本文的目的是确定不同尺度地震边界粗糙度对弹性波反射系数影响的性质。这项工作还使用了隔离驻波的技术来确定波速。结果,得到了反射系数与粗糙表面反射波入射角大小的关系图。得到了各向同性介质边界沿各向同性平面方向的反射系数,并分析了应用结果的可能方法。根据所获得的数据,我们可以说,当方位角相对于表面方向发生变化时,反射系数仅在超临界入射角处发生显著变化。
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引用次数: 0
Distribution and variability of morphoparameters of species of the genus Galanthus L. in the Republic of Adygea Adygea共和国Galanthus L.属植物形态参数的分布和变异
IF 1.3 Q4 GEOSCIENCES, MULTIDISCIPLINARY Pub Date : 2022-10-27 DOI: 10.2205/2022es01si09
E. Sirotyuk, A. Shadge, G. Gunina
The paper presents the results of a study of the distribution of species of the genus Galanthus on the territory of Adygea and the variability of individual morphological characteristics of individuals in natural populations. The study of intrapopulation variation of a number of parameters made it possible to identify stable and variable characteristics of species and to assess the polymorphism of populations.
本文介绍了加兰花属植物在Adygea领地上的分布和自然居群中个体形态特征的变异。对一些参数的种群内变异进行研究,可以确定物种的稳定和可变特征,并评估种群的多态性。
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引用次数: 0
Results of monitoring of hazardous natural processes in the Belaya river basin 贝拉亚河流域有害自然过程监测结果
IF 1.3 Q4 GEOSCIENCES, MULTIDISCIPLINARY Pub Date : 2022-10-20 DOI: 10.2205/2022es01si05
Elena Kyul, N. Kondratyeva, M. Gedueva, D. Dzhappuev
The main purpose of the research is to identify the presence of hazardous natural processes in the Belaya River basin. For this, field monitoring of hazardous processes was carried out according to the methodology developed and tested in the study of the Central Caucasus using technical means (GPS - survey of the study area and measurement of the characteristics of economic objects using a range finder). Based on the monitoring data, a digital cartographic visualization of the results was carried out, and an inventory of the flood and mudflow hazard of the river basin was compiled White. The monitoring results showed that the river basin. Belaya has an average degree of susceptibility to hazardous exogenous natural processes of various types - an average degree for mudflow processes, while the flood hazard can be an order of magnitude higher due to some natural and anthropogenic factors. Therefore, the annual geoecological monitoring of hazardous natural processes is necessary to assess the actual natural hazard of the region under study.
这项研究的主要目的是确定贝拉亚河流域存在的有害自然过程。为此,对危险过程的现场监测是根据在使用技术手段(全球定位系统- -对研究地区进行调查和使用测距仪测量经济对象的特征)进行的中高加索研究中发展和检验的方法进行的。在监测数据的基础上,对监测结果进行了数字化制图可视化,编制了流域洪水泥石流灾害清查表。监测结果表明,河流流域。贝拉亚对各种类型的外源危险自然过程的平均易感程度是泥石流过程的平均易感程度,而由于一些自然和人为因素的影响,洪水的易感程度可能高出一个数量级。因此,有必要对研究区域的实际自然灾害进行年度地质生态监测。
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引用次数: 0
Arctic anticyclone and its influence on the North Atlantic Oscillation 北极反气旋及其对北大西洋涛动的影响
IF 1.3 Q4 GEOSCIENCES, MULTIDISCIPLINARY Pub Date : 2022-10-20 DOI: 10.2205/2022es01si07
S. Morozova, K. Denisov, E. Polyankaya, M. Chervyakov, N. Semenova, E. Ormeli
This article examines the influence of the permanent center of atmospheric action - the Arctic anticyclone (Arctic High) - on the dynamics of adjacent circulating oscillatory structures - the North Atlantic. Analysis of variance was used to estimate the degree of influence of the Arctic anticyclone on the state of the centers of action of the atmosphere in the North Atlantic. The influence of the Arctic High on the change in the pressure in the Icelandic minimum and Azores maximum is estimated at 48%. This influence showed not statistical significance, confirmed by Fisher's test. The impact of the circulation systems of the North Atlantic on the Arctic anticyclone is estimated at 7%, and is not statistically significant. A statistically significant correlation was found between the intensity of the Arctic High and the intensity of the Icelandic center of atmospheric action. With the strengthening of the Arctic anticyclone, the Icelandic depression deepen. The correlation coefficient were -0.39. This coefficient is statistically significant.
本文考察了大气作用的永久中心-北极反气旋(北极高压)-对邻近环流振荡结构-北大西洋动力学的影响。方差分析用于估计北极反气旋对北大西洋大气作用中心状态的影响程度。北极高压对冰岛极小期和亚速尔极大期压力变化的影响估计为48%。Fisher的检验证实了这种影响没有统计学意义。北大西洋环流系统对北极反气旋的影响估计为7%,在统计上不显著。在北极高压的强度和冰岛大气活动中心的强度之间发现了统计上显著的相关性。随着北极反气旋的加强,冰岛经济萧条加深。相关系数为-0.39。这个系数在统计上是显著的。
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引用次数: 0
A new association of Trachomitetum sarmatiensea of Phragmiti-Magnocaricetea Klika in Klika et Novak 1941 class on the territory of Krasnodar Krai Krasnodar边疆区krlika et Novak 1941类中Phragmiti-Magnocaricetea Klika沙眼菌sarmatiensea的新组合
IF 1.3 Q4 GEOSCIENCES, MULTIDISCIPLINARY Pub Date : 2022-10-20 DOI: 10.2205/2022es01si06
Yu.A. Postarnak, S. Litvinskaya
Based on the data of the geobotanical survey of near-water herbaceous and shrub vegetation of the main water bodies of the Krasnodar Krai (floodplain and delta of the Kuban River, the Black Sea, and the Azov Sea), a new association of Trachomitetum sarmatiensea ass. nova hoc loco and two subassociations of Trachomitetum sarmatiensea calystegetosum sepium subass. nova, Trachomitetum sarmatiense cynanchumetosum acutum subass. nova as part of the Phragmiti-Magnocancetea class were identified. The article presents tables of relevés of phytocenoses, phytocenotic characteristics of the communities of the new association, quantitative indicators of the abundance and density of the species Trachomitum sarmatiense that are rare for the Western Caucasus and the Black Sea coast.
根据克拉斯达尔边疆区(库班河、黑海和亚速海的漫滩和三角洲)主要水体近水草本和灌木植被的地理调查资料,发现了一个新的沙眼螨亚群、一个新的沙眼螨亚群、一个沙眼螨亚群和两个沙眼螨亚群。新星,沙眼沙眼,沙眼沙眼。nova属phragmiti - magnnocancetea类。本文介绍了植物群落的相关数据表、新群落的植物群落特征、西高加索和黑海沿岸罕见的沙眼菌的丰度和密度的定量指标。
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引用次数: 0
Modern changes in the precipitation and air temperature regime in the mountainous regions of the Dagestan republic 达吉斯坦共和国山区降水和气温制度的现代变化
IF 1.3 Q4 GEOSCIENCES, MULTIDISCIPLINARY Pub Date : 2022-10-11 DOI: 10.2205/2022es01si04
E. Korchagina
The study focuses on the local dynamics of precipitation and temperature in the mountainous regions of the Dagestan Republic (North Caucasus, eastern part). A shift in the secondary maximum of the precipitation annual distribution in the low-mountainous part of the region from August to September was found. The wettest years in the highlands in the periods 1966--1978 and 1996--2013 are discovered. The period from the beginning of the current century until now is identified as the wettest in the low-mountain zone. It was found that the trends of seasonal temperatures are positive. At the same time, the dynamics of spring temperatures remained insignificant in the low-mountain zone until 2010. It was revealed that the statistically reliable increase of temperature in February and March and unidirectional tendencies in the daily characteristics of precipitation is the local pattern of the climate change in this part of the North Caucasus. In this season the increase in the average and maximum daily precipitation intensity is reliable.
该研究的重点是达吉斯坦共和国(北高加索,东部)山区降水和温度的局部动态。8月至9月,低山区降水年分布的次极大值发生了变化。1966年至1978年和1996年至2013年是高原最潮湿的年份。从本世纪初到现在,这段时间被认为是低山区最潮湿的时期。发现季节温度的变化趋势是正的。与此同时,直到2010年,低山带春季气温的变化仍然不明显。结果表明,2、3月气温的上升和降水日特征的单向变化是北高加索地区气候变化的局地型。在这个季节,平均和最大日降水强度的增加是可靠的。
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引用次数: 0
期刊
Russian Journal of Earth Sciences
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