Russian Journal of Earth Sciences最新文献_第2页

Impact of Nano-fertilizers and Nutrient Management on Growth and Yield of Strawberry 纳米肥料和养分管理对草莓生长和产量的影响

IF 1.3

Russian Journal of Earth Sciences Pub Date : 2023-12-11 DOI: 10.2205/2023es02si15

Lakhwinder Singh, Ramesh Kumar Sadawarti, -. Shaifali, Sandeep Menon, T. Minkina, S. Sushkova, Vishnu D. Rajput

{"title":"Impact of Nano-fertilizers and Nutrient Management on Growth and Yield of Strawberry","authors":"Lakhwinder Singh, Ramesh Kumar Sadawarti, -. Shaifali, Sandeep Menon, T. Minkina, S. Sushkova, Vishnu D. Rajput","doi":"10.2205/2023es02si15","DOIUrl":"https://doi.org/10.2205/2023es02si15","url":null,"abstract":"In the pursuit of enhancing agricultural practices, this research delves into the intricate interplay between nano-fertilizers, nutrient management strategies, and their collective impact on the growth and yield metrics of strawberries. The present research was carried out to ascertain the impact of nano-fertilizers (ZnO and FeO) and integrated nutrients management (Phosphate solubilizing bacteria (PSB) & Azotobacter) on strawberry (Fragaria x ananassa Duch.) Cv. Winter Dawn. The results of present work showed different treatments of nano fertilizers and nutrients management has variable impact on strawberry growth such as treatment 7 (T7: 50% Recommended dose of fertilizer) + FYM + vermicompost + Azotobacter + 150 ppm nano-ZnO + 150 ppm nano-FeO) showed highest growth parameters regarding number of leaves (14), plant height (11.24 cm), leaf area (74.86 cm2) and chlorophyll content (52.41 μmol/m2) etc. compared with other treatments. However, treatment (T9: 50% RDF + FYM + vermicompost + Azotobacter + PSB + nano-ZnO + nano-FeO) indicated bit similar regarding number of leaves (13.33), plant height (11.96 cm), leaf area (74.08 cm2) and chlorophyll content (53.06 μmol/m2) etc. The biochemical parameters were also observed higher in treatment (T9). Considering above results, it can be concluded that the dose, i. e., 50% RDF along with FYM, vermicompost and Azotobactor + ZnO + FeO (150 ppm) could enhance growth and yield of strawberry.","PeriodicalId":44680,"journal":{"name":"Russian Journal of Earth Sciences","volume":"19 2","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138981096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Geological Filtration Model of the Layers of Nizovsky Field of Volga-Ural Oil and Gas Province 伏尔加-乌拉尔石油天然气省尼佐夫斯基油田地层地质过滤模型

IF 1.3

Russian Journal of Earth Sciences Pub Date : 2023-12-11 DOI: 10.2205/2023es02si17

M. Meretukov, R. Toroyan, M. Bedanokov, R. Kokhuzheva, A. Artamonov

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Histograms of the Caspian Sea Hydrometeorological Parameters 里海水文气象参数直方图

IF 1.3

Russian Journal of Earth Sciences Pub Date : 2023-12-11 DOI: 10.2205/2023es02si11

Andrey Kostianoy, Sergey Lebedev, A. Bocharov, Il'ya Kosolapov, Il'ya Tretiyak, Daniil Volkov, P. Kravchenko

引用次数: 0

Chemoecological Monitoring of Water Quality in the Ham Luong River (Mekong Delta, Vietnam) Ham Luong 河（越南湄公河三角洲）水质的化学生态监测

IF 1.3

Russian Journal of Earth Sciences Pub Date : 2023-12-11 DOI: 10.2205/2023es02si05

N. Tereshchenko, V. Proskurnin, O. Solov'eva, E. Tikhonova, Trong Hiep Nguyen, O. Chuzhikova-Proskurnina, I. Sidorov

{"title":"Chemoecological Monitoring of Water Quality in the Ham Luong River (Mekong Delta, Vietnam)","authors":"N. Tereshchenko, V. Proskurnin, O. Solov'eva, E. Tikhonova, Trong Hiep Nguyen, O. Chuzhikova-Proskurnina, I. Sidorov","doi":"10.2205/2023es02si05","DOIUrl":"https://doi.org/10.2205/2023es02si05","url":null,"abstract":"Investigation of concentrations of organic and inorganic pollutants (hydrocarbons, including oil hydrocarbons, and trace elements – heavy metals and metalloids) in the Ham Luong River in the Mekong Delta was carried out and water quality was assessed by comparing the obtained levels of values with the regulatory limits of concentration. The determination of the total content of hydrocarbons and oil hydrocarbons was made by gas chromatography method; the trace elements were measured by ICP-MS technique after chemical treatment of samples. The content of oil hydrocarbons in the Ham Luong River water ranged from 0.042 to 0.076 mg/l. These values were quite high, exceeding the sanitary standard (0.05 mg/l) for fishery reservoirs, or approaching it, but they were lower compared to Vietnam national standard for domestic supply water (0.1 mg/l). The content of hydrocarbons in suspended matter was in the range of 0.011–0.37 mg/l. The concentrations of 15 trace elements were studied, nine of them (Ni, Fe, V, As, Se, Be, Cd, Sb, Tl) did not exceed any of the established regulatory limits of concentration for surface water. However, concentrations of six trace elements (Pb, Zn, Cu, Co, Ag, Mo) were found to exceed the standard regulatory limits. Among the studied 15 trace elements, critical and potentially critical elements were identified, which are subject to primary monitoring control. Chemoecological studies of water quality are important for monitoring of the ecological and sanitary water state for ensure the quality of consumed natural resources and to preserve the biological diversity of the Mekong Delta ecosystems.","PeriodicalId":44680,"journal":{"name":"Russian Journal of Earth Sciences","volume":"11 5","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138979777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Evaluation of Displacements Caused by Strike-Slip Deformations Using Correlation Characteristics Based on Potential Field Data 利用基于电位场数据的相关性特征评估走向滑动变形引起的位移

IF 1.3

Russian Journal of Earth Sciences Pub Date : 2023-09-27 DOI: 10.2205/2023es000847

N. Senchina, Artem Asoskov, Gleb Gorelik

{"title":"Evaluation of Displacements Caused by Strike-Slip Deformations Using Correlation Characteristics Based on Potential Field Data","authors":"N. Senchina, Artem Asoskov, Gleb Gorelik","doi":"10.2205/2023es000847","DOIUrl":"https://doi.org/10.2205/2023es000847","url":null,"abstract":"The identification of faults is a common objective in geophysical potential field methods. Vertical discontinuities such as reverse faults, also known as tectonic faults, can easily be distinguished through their effect on gravity and magnetic fields, appearing as gradient zones or areas of change in the field. However, identifying strike-slip faults is one of the biggest challenges for potential field methods as they are characterized by a complex series of anomalies with varying signs in the fault zone, as well as displacement of anomaly axes between the strike-slipped blocks. The goal of this study is to suggest a transformation that would aid in the identification of shear zones through the calculation of the displacement along the discontinuity. The proposed approach involves calculating the correlation coefficient between parallel profiles using moving windows. The position of the window with the highest calculated correlation coefficient allows estimating of the discontinuity displacement magnitude. The method was tested using a synthetic field and data from the magnetic field of the Kolbeinsi Ridge.","PeriodicalId":44680,"journal":{"name":"Russian Journal of Earth Sciences","volume":"53 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139335446","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Consistency of Intra-Centennial Oscillations in Length of Day and Oceanic Characteristics 日长和海洋特征的百年内振荡的一致性

Russian Journal of Earth Sciences Pub Date : 2023-09-27 DOI: 10.2205/2023es000842

Viacheslav Bezverhniy, Aleksandr Gruzdev

{"title":"Consistency of Intra-Centennial Oscillations in Length of Day and Oceanic Characteristics","authors":"Viacheslav Bezverhniy, Aleksandr Gruzdev","doi":"10.2205/2023es000842","DOIUrl":"https://doi.org/10.2205/2023es000842","url":null,"abstract":"The paper presents analysis of intra-centennial (inter-decadal and multidecadal) variations of the length of day (LOD) and some oceanic parameters such as sea surface temperature (SST) and sea level (SL). Methods of multivariate regression analysis and correlation analysis are used. Results of the regression analysis show a spatially coherent response of SST to LOD variations on the multidecadal time scale. The earlier response is peculiar to the north and tropical Atlantic where the multidecadal SST variations are approximately opposite to the LOD variations. In the most remaining parts of the oceans, except especially in the Nino 3.4 region of the equatorial east Pacific, the multidecadal SST variations are generally lagged relative to the antiphase variations of the LOD. Smoothing of SST averaged over different areas and of the global mean SL shows that the intra-annual variations include inter-decadal, 20–30-year, multidecadal, 60–70-year, components that correspond to similar oscillation components in the LOD. The most striking correspondence of the two components is observed between the LOD and SST averaged over the Nino 3.4 region. Generally, there are significant correlations of the intra-centennial variations on the averaged and smoothed SST series and global mean SL with the LOD variations. We propose that angular momentum exchange processes involving oceanic circulation and interactions between the Earth’s core and the mantle play probably a part in the observed relationships of intra-centennial variations in oceanic parameters with variations in the LOD.","PeriodicalId":44680,"journal":{"name":"Russian Journal of Earth Sciences","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135579917","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Studies of the Electrical Resistivity Tomography Monitoring of the Issyk-Ata Fault Zone (Northern Tien Shan) 伊塞克湖断裂带（天山北部）电阻率层析成像监测研究

IF 1.3

Russian Journal of Earth Sciences Pub Date : 2023-09-27 DOI: 10.2205/2023es000881

A. Rybin, E. Bataleva, O. Zabinyakova, K. Nepeina

{"title":"Studies of the Electrical Resistivity Tomography Monitoring of the Issyk-Ata Fault Zone (Northern Tien Shan)","authors":"A. Rybin, E. Bataleva, O. Zabinyakova, K. Nepeina","doi":"10.2205/2023es000881","DOIUrl":"https://doi.org/10.2205/2023es000881","url":null,"abstract":"In 2023, monitoring geophysical studies were carried out using the electrical resistivity tomography (ERT) method along three profiles that cross the strike zone of the Issyk-Ata fault in the transverse direction. A detailed study was carried out of the observed variations in apparent electrical resistivity, which characterize the change in the electrical properties of the upper part of the Earth's crust section with a 40-minute discretization in time. Using the analysis of difference pseudo-sections of apparent resistivity, constructed based on the results of ERT monitoring, the most informative pseudo-depth interval from the point of view of geoelectric activity was determined for all three monitoring profiles. Accordingly, for a pseudo-depth of 24 m on each monitoring profile, an assessment was made of the geodynamic activity of these sections of the Issyk-Ata fault based on an analysis of the magnitude of two parameters: the amplitude of apparent resistivity variations and the correlation coefficient of electrical resistivity variations with lunar-solar solid tides. High values of these parameters, in our opinion, determine the location of modern active fault zones.","PeriodicalId":44680,"journal":{"name":"Russian Journal of Earth Sciences","volume":"38 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139335684","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Congratulations on the 75th Anniversary of Alexei Gvishiani 祝贺阿列克谢·格维什亚尼诞辰75周年

Russian Journal of Earth Sciences Pub Date : 2023-09-27 DOI: 10.2205/2023es0004

Ernest Kedrov

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Solid runoff of the Don River and suspended matter flow into the delta during surges: statistical modeling and comparison in the low water period 顿河固体径流和涌浪期间流入三角洲的悬浮物：统计模型和枯水期比较

IF 1.3

Russian Journal of Earth Sciences Pub Date : 2023-09-27 DOI: 10.2205/2023es000856

Nataliya Likhtanskaya, Sergey Berdnikov, Alexey Kleshchenkov

{"title":"Solid runoff of the Don River and suspended matter flow into the delta during surges: statistical modeling and comparison in the low water period","authors":"Nataliya Likhtanskaya, Sergey Berdnikov, Alexey Kleshchenkov","doi":"10.2205/2023es000856","DOIUrl":"https://doi.org/10.2205/2023es000856","url":null,"abstract":"Statistical modeling of the Don River solid runoff based on water discharge and turbidity measurements obtained at the hydrological station in the village of Razdorskaya for the twelve-year period 2009–2020 was carried out. The WRTDS (Weighted Regressions on Time, Discharge, and Season) and WRTDSKalman (WRTDS with Kalman filtering) methods were applied. The developed statistical model is aimed at solving the problem of the imbalance between the regularity of collecting data on water discharge and data on the concentration of suspended matter by “restoring” the concentration values on days without measurements based on data on the most “similar” days with measurements in terms of time, discharge and season and does not claim to describe a relationship between the concentration of the constituent of interest and discharge. The quality of the developed statistical model and its modification were checked. The average daily concentrations and fluxes of suspended matter were compared with estimates of the volumes of suspended material deposited during periods of recurring strong surge phenomena. A comparative assessment of sea and river factors contributions to the transport and sedimentation of suspended matter in the Don River delta was fulfilled.","PeriodicalId":44680,"journal":{"name":"Russian Journal of Earth Sciences","volume":"36 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139335348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Linear perturbations of the Bloch type of space-periodic magnetohydrodynamic steady states. II. Numerical results 布洛赫型空间周期磁流体力学稳态的线性扰动。2数值结果

Russian Journal of Earth Sciences Pub Date : 2023-09-27 DOI: 10.2205/2023es000838

R Chertovskih, V Zheligovsky

{"title":"Linear perturbations of the Bloch type of space-periodic magnetohydrodynamic steady states. II. Numerical results","authors":"R Chertovskih, V Zheligovsky","doi":"10.2205/2023es000838","DOIUrl":"https://doi.org/10.2205/2023es000838","url":null,"abstract":"We consider Bloch eigenmodes of three linear stability problems: the kinematic dynamo problem, the hydrodynamic and MHD stability problem for steady space-periodic ﬂows and MHD states comprised of randomly generated Fourier coeﬃcients and having energy spectra of three types: exponentially decaying, Kolmogorov with a cut oﬀ, or involving a small number of harmonics (“big eddies”). A Bloch mode is a product of a ﬁeld of the same periodicity as the perturbed state and a planar harmonic wave, exp(iq · x). Such a mode is characterized by the ratio of spatial scales which, for simplicity, we identify with the length |q| < 1 of the Bloch wave vector q. Computations have revealed that the Bloch modes, whose growth rates are maximum over q, feature the scale ratio that decreases on increasing the nondimensionalized molecular diﬀusivity and/or viscosity from 0.03 to 0.3, and the scale separation is high (i.e., |q| is small) only for large molecular diﬀusivities. Largely this conclusion holds for all the three stability problems and all the three energy spectra types under consideration. Thus, in a natural MHD system not aﬀected by strong diﬀusion, a given scale range gives rise to perturbations involving only moderately larger spatial scales (i.e., |q| only moderately small), and the MHD evolution consists of a cascade of processes, each generating a slightly larger spatial scale; ﬂows or magnetic ﬁelds characterized by a high scale separation are not produced. This cascade is unlikely to be amenable to a linear description. Consequently, our results question the allegedly high role of the α-eﬀect and eddy diﬀusivity that are based on spatial scale separation, as the primary instability or magnetic ﬁeld generating mechanisms in astrophysical applications. The Braginskii magnetic α-eﬀect in a weakly non-axisymmetric ﬂow, often used for explanation of the solar and geodynamo, is advantageous not being upset by a similar deﬁciency.","PeriodicalId":44680,"journal":{"name":"Russian Journal of Earth Sciences","volume":"2011 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134903176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0