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Recommended strategies for assessing and managing groundwater dewatering during subsurface construction in sediments adjacent to large river systems: examples from Wuhan in China Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-13 Yangqing Xu, Rui Rui, Jinyuan Wang
Using the principles of Quaternary geology and geomorphology, this study analyzed the genetic types, composition, lithofacies and spatial distribution of Quaternary deposits in the first terrace sediments adjacent to the Yangtze River in Wuhan. These sediments exhibit a typical binary structural sedimentation rhythm, where sedimentary particles in the same sediment are sequenced progressively fine
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Predicting subsidence of cohesive and granular soil layers reinforced by geosynthetic Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-13 Marwan Al Heib, Mouhamad Hassoun, Fabrice Emeriault, Pascal Villard, Abbas Farhat
Subsidence can result from the collapse of underground cavities. The impact of such subsidence on existing structures and infrastructures is generally dramatic. Geosynthetic reinforcement (GSY) is an attractive mitigation solution that can be used to reduce this impact. This paper focuses on the mitigation solutions over existing cavities mainly on the GSY mitigation method. A large-scale physical
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Comparative study on tunnel blast-induced vibration for the underground cavern group Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-13 Yaxiong Peng, Guangjin Liu, Li Wu, Qingjun Zuo, Yunsi Liu, Chao Zhang
Seismic wave induced by blasting excavation of tunnel may exert adverse effects to the surrounding rock. To study the different characteristics and attenuation of blast-induced vibration in the blasting tunnel and adjacent tunnel, field blasting tests are carried out to record velocity–time histories during blasting in Wanhua Underground Gas Storage. The characteristics and attenuation of vibration
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Natural radioactivity assessment around the petroleum-producing areas of The-Qar province, Iraq Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-12 Karwan F. Majeed, E. Salama, S. Abdelmonem Elfiki, Yousif M. Zair Al-Bakhat
The area of oil and gas production may have more noteworthy radioactivity levels, due to the disposal petroleum pipes containing sludge and scale as a technologically enhanced natural occurring radioactive material (TENORM) which leads to potential radiological and health dangers. The specific radioactivity concentrations of 226Ra, 232Th, and 40 K in 124 of soil and waste petroleum samples such as
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Effects of lake sediment contamination by PAHs on nutrients and phytoplankton in Vaca Muerta, Neuquén, Argentina Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-12 Leandro Rotondo, Pedro Temporetti, Verónica Mora, Gustavo Baffico, Guadalupe Beamud, Mónica Diaz, Fernando Pedrozo
Aquatic sediments act as a source for nutrients as well as contaminants, among which there are polycyclic aromatic hydrocarbons (PAHs) such as phenanthrene (Ph), anthracene (An), pyrene (Py) and benz(a)anthracene (Ba). Phytoplankton can be an indicator of contaminants presence, thus, we decided to study it in Los Barreales reservoir (Neuquén Province, Argentina). Reservoir water and sediments were
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Water Quality Index variations in a Mediterranean reservoir: a multivariate statistical analysis relating it to different variables over 8 years Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-12 Ali Fadel, Malak Kanj, Kamal Slim
Evaluating the status of the water quality of freshwater bodies is crucial for safe use. In this work, the water quality of an understudied Mediterranean reservoir was investigated, using Water Quality Index (WQI) and principle component analysis (PCA) during an 8-year study period, between 2009 and 2016. The WQI was analyzed based on weighted sum aggregation function, considering the following variables:
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Stochastic method for prediction of subsidence due to the underground coal mining integrated with GIS, a case study in Serbia Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-12 Nenad Vušović, Milica Vlahović, Daniel Kržanović
The problem of subsidence and damages on buildings above mining works is an inevitable consequence of underground coal mining in large mining basins. Significant development of various methods for prediction of the displacement parameters of the undermined terrain took place in the period from the middle of the last to the beginning of this century. In this paper, a new mathematical model of the stochastic
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Influences of water and salt contents on the thermal conductivity of loess Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-11 Xusheng Yan, Zhao Duan, Qiang Sun
In recent years, with the development of geothermal resources, the thermal conductivity of soil has become a research hotspot. In this study, the thermal conductivity measured by the transient plane heat source method was used to evaluate five common thermal conductivity models from the previous literature. The influences of water content and salt content on the internal heat transfer mode of this
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A laboratory and field-monitoring experiment on the ability of anti-slide piles to prevent buckling failures in bedding slopes Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-11 Qian Zhang, Jie Hu, Yanliang Du, Yang Gao, Jianzhi Li
Buckling failure is a special form of a landslide, and it has been little debated in the literature so far. There have been few studies conducted on this type of slope failure, and the corresponding reinforcement measure research has also been rarely conducted. Therefore, it is nearly impossible to provide systematic guidance for the reinforcement and monitoring of such a slope. In this study, a new
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Hydrogeochemical investigation of Cr in the ultramafic rock-related water bodies of Loutraki basin, Northeast Peloponnese, Greece Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-11 Konstantina Pyrgaki, Ariadne Argyraki, Fotini Botsou, Efstratios Kelepertzis, Vasiliki Paraskevopoulou, Sotirios Karavoltsos, Ioannis Mitsis, Emmanuel Dassenakis
This research aims to determine the hydrogeochemical characteristics, origin, and geochemical evolution of the Cr enriched alkaline waters in the ultramafic rock-related water bodies of Loutraki basin in Northeast Peloponnese, Greece. The significance of the particular research lies in the fact that Cr occurrence raises concerns with respect to health risks associated with the utilization of such aquifers
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Hydrochemistry characters and hydrochemical processes under the impact of anthropogenic activity in the Yiyuan city, Northern China Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-11 Zhenyan Wang, Zongjun Gao, Shu Wang, Jiutan Liu, Wei Li, Qijun Deng, Lin Lv, Yuanqing Liu, Qiao Su
Water resource is a valuable resource for human beings to survive and maintain social stability and development. However, in recent years, the process of urbanization has been accelerated, and many cities and towns have presented groundwater pollution. To investigate the spatial distribution of hydrochemical components in urban areas after groundwater pollution and the hydrogeochemical effects on surrounding
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Changes in soil organic carbon across an atmospheric CO 2 gradient under natural and artificial vegetation of semi-arid lands Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-11 Habib Yazdanshenas, Mahkame Sadat Gozidepor Tehrani, Milad Khorrami Ajirloo, Farajollah Tarnian
Soil organic carbon (SOC) was studied across a gradient of 400–550 ppm CO2 in calcareous contaminated semi-arid areas. An experiment was performed under natural and artificial vegetation cover of Atriplex canescens (Pursh) Nutt. SOC and vegetation cover were investigated every 2 years from 2012 to 2018. Findings disclosed that there was a polynomial relation between SOC and CO2 concentration. The SOC
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Experimental investigation on mechanical behaviors of Nanan granite after thermal treatment under conventional triaxial compression Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-11 Zhennan Zhu, Hong Tian, Gang Mei, Guosheng Jiang, Bin Dou, Peng Xiao
Understanding the mechanical behaviors of granite after high temperature exposure and under confining stress conditions is an important issue in deep rock engineering projects such as the mining of deep underground solid mineral resources, deep geothermal energy exploitation and deep nuclear waste repositories. In this research, conventional triaxial compression experiments were conducted on Nanan
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Biosorption of astrazon red dye by the bacterium Rhodopseudomonas sp. strain 51ATA Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-11 Meysun I. Abdullah, Ayten Öztürk, Emel Bayol
Astrazon red azodye that is still widely used in Turkey is released into the aquatic environment. Since these dyes are degradable into the toxic aromatic amines, they have become a public health and environmental concern. In this study, the biosorption of the Astrazon red dye from aqueous solutions on dehydrated cells of Rhodopseudomonas sp. 51ATA was studied as a function of each pH, temperature and
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The significance of gypsum morphology in interpreting environmental changes caused by human construction, Red Sea coastal evaporation environment, Saudi Arabia Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-11 Mahmoud A. Aref, Ammar A. Mannaa
Field and petrographic descriptions of recent sabkha sediments at the eastern coast of Al-Kharrar lagoon, Red Sea coast of Saudi Arabia indicate the co-existence of gravel-sized, arrowhead, twinned gypsum crystals (< 23 cm long) and lenticular gypsum crystals (4–10 cm in size) of subaqueous and subaerial origin, respectively. Sand- and silt-sized, individual, lenticular and tabular gypsum crystals
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Hydrochemical and environmental isotope characteristics of groundwater in the Hongjiannao Lake Basin, Northwestern China Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-11 Wenping Mu, Xiong Wu, Chu Wu, Qian Hao, Ruochen Deng, Cheng Qian
Understanding the hydrochemical and isotopic characteristics of groundwater and hydrogeochemical processes is crucial for groundwater resource development and environmental protection, especially in semiarid regions. To address this question, we collected and tested groundwater and river water samples form the Hongjiannao Lake Basin. The groundwater samples were took from a porous medium aquifer and
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Integrated approach in studying rock and soil slope stability in a tropical and active tectonic country Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-11 Ibnu Rusydy, Teuku Faisal Fathani, Nafisah Al-Huda, Sugiarto, Khairul Iqbal, Khaizal Jamaluddin, Ella Meilianda
An integrated study on slope stability has been conducted in the high weathering zone of the tropical and active tectonic country, Indonesia. The research aims to introduce an integrated and comprehensive approach in studying the soil and rock slope stability. Geophysical methods, including two seismic refraction tomography (SRT) and electrical resistivity tomography (ERT) lines, were deployed to determine
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Visual research and determination of structural plane and free face of rock slopes Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-11 Bingli Gao, Lang Li, Licheng Chen, Zhifa Yang
Block stability analysis is important for studying the overall stability of surrounding rock in slope engineering. The main problem in regards to block stability analyses is determining the relative positional relationship between the structural plane and the free face. Consequently, studying the structural plane and free face is of great significance in engineering. By using the steep rocky slope
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Geochemical characteristics and behaviour of elements during weathering and pedogenesis over karst area in Yunnan–Guizhou Plateau, southwestern China Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-11 Howard Omar Beckford, Huashuo Chu, Changshun Song, Cheng Chang, Hongbing Ji
A study of two typical red soil profiles, Gumu (GM-limestone) and Sanjiacun (SJC-dolomite) was conducted at Yunnan–Guizhou Plateau, China. The study employed mineralogy, geochemical and elemental ratios to assess the mobilisation and distribution of elements during weathering and pedogenesis. The mineralogy results revealed similarity in distribution of secondary minerals in both profiles, with exception
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Transitions in land use and cover and their dynamic mechanisms in the Haihe River Basin, China Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-11 Yong Yang, Xue Yang, Enguang Li, Wei Huang
In this study, 1-km gridded land use maps from 1980, 1990, 1995, 2000, 2005, 2010, and 2015 were used to analyze transitions in the spatial distribution and land use/cover in the Haihe River Basin (HRB) of China. The patterns of changes in land use/cover were characterized by an increase in rural–urban industrial lands and decreases in cropland, forestland, grassland, water, and unused land. Meanwhile
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Seismic investigation of the northern part of Pakistan using the statistical and neural network algorithms Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-11 Bilal Aslam, Adeel Zafar, Umar Azam Qureshi, Umer Khalil
Earthquake is one of the foremost perils that cause several damages in northern Pakistan. Numerous investigations have been put forward to recognize seismic behavior in the region for better disaster management. Earthquake data recorded from 1980 to 2019 are used in this study. The methodology used is an integrated study of seismology, statistical, and machine learning algorithms. In this study, statistical
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Establishing site response-based micro-zonation by applying machine learning techniques on ambient noise data: a case study from Northern Potwar Region, Pakistan Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-11 S. M. Talha Qadri, Owais Ahmed Malik
Several major earthquakes have jolted Pakistan during the last 30 years, destroyed infrastructure and severe damage to the economy. Despite advancement in data sciences and its linkages with other domains, no such study has been conducted in Pakistan, which incorporates the application of machine learning techniques on ambient noise data. This study presents the application of machine learning techniques
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Coupled empirical–mechanical modeling of debris flows occurred in small ungauged basins Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-11 Ying-Hsin Wu
On 28 July 2013, an intense torrential rainfall occurred at the boundary of Yamaguchi and Shimane Prefectures in western Japan, and triggered a debris flow on an ungauged hillslope to bury the entrance of Shirai tunnel and to shutdown railway service in that region for 1 year. To assess this disaster, this study aims at numerically modeling this debris flow event through a methodology incorporating
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Morphometry of plunge pools and retreat mechanism of waterfall Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-11 Balai Chandra Das
The paper aimed to explore the morphometry of the plunge pool and retreat mechanism of the waterfalls with the help of an empirical study of Turga Waterfall of Ajodhya Hill, Purulia, West Bengal, India. To explore the morphology of waterfall and its plunge pool, width (w), average depth (d), the maximum depth (\(d_{{{\text{max}}}} )\), bathymetric study of plunge pool, and fall height or drop height
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Determination of germanium and other trace elements concentration in mineral waters of Low Beskid (Poland) used for crenotherapy Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-11 Agata Lilia Skwarczynska-Wojsa, Adam Piech, Anna Wojton
Crenotherapy is a natural treatment and health protection method, thus using natural mineral water are gaining popularity as an alternative to pharmacotherapy or as additional support in many types of diseases. The aim of this study was to determine the occurrence of germanium (Ge) in mineral non-geothermal waters from Low Beskid area, Poland. The collected mineral water samples from natural springs
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Hydrogeophysical investigation at El Moghra Area, North Western Desert, Egypt Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-11 Sultan A. S. Araffa, Maha Abdelazeem, Hassan S. Sabet, Ahmed M. Al Dabour
El Moghra area, in the western desert of Egypt, is an important part of the national reclamation project (1.5 million acres—6.07 × 109 m2), which depends on the groundwater of El Moghra Formation (MF), the main aquifer in this area. Moghra Oasis and its surroundings are characterized by vast areas of good soil, which are favorable for agricultural development. In this respect, ambitious plans and successful
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A special support design for a large-span tunnel crossing an active fault (T9 Tunnel, Ankara–Sivas High-Speed Railway Project, Turkey) Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-08 Ebu Bekir Aygar, Candan Gokceoglu
Throughout construction process of a tunnel in an active tectonic region, it may be impossible to avoid active faults. Active faults create two adverse effects on the tunnels which are sudden fault displacement and weak ground conditions in fault zone. If a tunnel crossed by an active fault, the tunnel might be damaged by sudden movement of the fault. However, the main goal is to localize this damage
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Novel “Virkon S” releasing alginate beads for water disinfection: synthesis, characterization and antimicrobial activity analysis Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-08 Faisal Suleiman Mustafa, Gizem Şanlıtürk, Mümtaz Güran, Mustafa Gazi
Using of polymer encapsulated beads with antimicrobial agents is a novel and very promising strategy. In this study, a natural polymer; Sodium alginate, was used to encapsulate the very efficient disinfection agent; Virkon S for the first time. Preparation and characterization of beads was done by FTIR, UV/Vis and microscopy. Quantitative releasing of Virkon S from beads was also analyzed. After chemical
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Investigation of on-site implications of tea plantations on soil erosion in Iran using 137 Cs method and RUSLE Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-08 Mohammadreza Gharibreza, Ali Bahrami Samani, Mahmood Arabkhedri, Mohammad Zaman, Paolo Porto, Kourosh Kamali, Shahriar Sobh-Zahedi
Tea plantations cover an area of ca. 31,000 ha in the Central North of Iran. This area, after clearing the original forests more than 50 years ago, became exposed to severe soil erosion. The objective of this study was to assess long-term soil erosion rates in tea farms and to evaluate their soil conservation effect at a whole-of-catchment scale. No previous information on direct measurements of soil
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Discrimination of different blasting and mine microseismic waveforms using FFT, SPWVD and multifractal method Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-08 Baolin Li, Enyuan Wang, Zhonghui Li, Yue Niu, Nan Li, Xuelong Li
To distinguish various blasting and mine microseismic (MS) waveforms, the time–frequency characteristics and non-linear characteristics of mine MS waveforms caused by mining activities and different blasting waveforms (loosening blasting, pre-splitting blasting and deep-hole blasting) are analyzed using fast Fourier transform (FFT), smoothing pseudo-Winger-Ville distribution (SPWVD) and multifractal
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Evaluation of aquifer characteristics using well logging tools and pumping tests in a typical khondalitic aquifer in the Northern parts of Eastern Ghats of India Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-08 Bekkam Venkateswara Rao, Yellapu Siva Prasad
Aquifer parameters from geophysical well logs and pumping tests were used to evaluate the potential of fractured aquifer of khondalitic terrain of Northern parts of Eastern Ghats of India. The parameters under consideration are porosity and formation-water resistivity for the highly weathered material and the fractured khondalitic aquifer. The resistivity of fractured zones ranged between 28 and 30 Ω m
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Peak unit discharge estimation based on ungauged watershed parameters Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-08 Gökhan Kayan, Amin Riazi, Esra Erten, Umut Türker
In this study, a methodology has been proposed that can be used to estimate the peak unit discharge for all the watersheds in the northern part of Cyprus. Thus, the Soil Conservation Service method was used to determine the unit hydrographs of 366 watersheds available in the study area. Through the Digital Elevation Model with a spatial resolution of 12 m the watershed characteristics such as watershed
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Geological interpretation using multivariate K -means and robust factor analysis in Dezak area, SW Iran Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-08 Ghazal Hajnajafi, Alireza Jafarirad, Peyman Afzal, Seyed-Jamal Sheikh-Zakariaee
The Dezak limestone area, located SW Iran, is a potential site for industrial survey project of Precipitated Calcium Carbonate (PCC). Economic geology studies and geochemical implications of the area involve a high-risk level given the high purity of the limestone and the amount of penalty elements in the deposit. Generally, considering the compositional properties of geochemical data and using multivariate
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Insights of remote sensing data to surmount rainfall/runoff data limitations of the downstream catchment of Pineios River, Greece Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-08 Mohamed Elhag, Nese Yilmaz
Efficient rainfall/runoff data modeling necessitates field data availability. Remote and rough terrain areas restrict data collection that leads to less reliable simulated models. Consequently, complete geographic databases are the quest to conduct over the catchment under investigation. The hydrologic model developed for this research based on different return periods (2, 5, 10, 25, 50, 100, and 200 years)
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Improving the underground structural characterization and hydrological functioning of an Andean peatland using geoelectrics and water stable isotopes in semi-arid Chile Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-08 Remi Valois, Jaime Araya Vargas, Shelley MacDonell, Camilo Guzmán Pinones, Francisco Fernandoy, Gonzalo Yánez Carrizo, Jaime G. Cuevas, Eric A. Sproles, Antonio Maldonado
High altitude, Andean wetlands, or bofedales as they are locally known, are important regulators of the local water balance and also play a key role in sustaining biodiversity. Nevertheless, there is almost no information regarding their hydrogeological structure and functioning. This paper aims to characterize the thickness of the alluvial filling of one peat-accumulating wetland in North-Central
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Modeling the monthly pan evaporation rates using artificial intelligence methods: a case study in Iraq Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-08 Mustafa Al-Mukhtar
In arid areas, the estimation of evaporation rates plays a considerable role on both water resources management and agricultural activities. Hence, it is of utmost importance to determine the best model to predict these rates. This study investigates the applicability of using quantile regression forest in predicting the pan evaporation. The model was configured using data from three different meteorological
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Fingerprinting sediment sources of the Shouchang River in the Southeastern China Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-08 Haiyan Fang, Zemeng Fan
Identification of sediment sources within catchments is crucial for river and catchment management. A multivariate mixing model in conjunction with two sets of statistically verified composite fingerprints was employed to identify the main sediment source areas at five locations along the main channel of the Shouchang River, southeastern China. The fingerprint composite fingerprints derived from the
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Spatiotemporal variations of soil water stable isotopes in a small karst sinkhole basin Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-07 Tao Zhang, Jianhong Li, Junbing Pu, Weijie Huo, Sainan Wang
Soil water plays an important role in the ecological restoration of karst areas impacted by rocky desertification (KRD) caused by deforestation. A better understanding of the spatiotemporal dynamics and modes of water flow in KRD areas is essential for satisfactory soil water management. This study examines the soil water content (SWC) and stable isotope (δ18O and δD) patterns in seven sampling sites
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New evaluation and prediction method to determine the risk of water inrush from mining coal seam floor Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-07 Hongfei Duan, Lijuan Zhao
The aim of this study is to remedy the existing problems in the prediction methods of water inrush from the mining coal seam floor. This paper analyzes a large number of water inrush cases and proposes that there are four main factors, namely water pressure and water abundance of the confined karst aquifer in the mine floor, the lithological thickness and characteristics of different structures of
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Mechanical properties of clay reinforced with Bermuda grass root under drying–wetting cycles Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-07 Qiang Ma, Zhi Li, Henglin Xiao, Zhi Hu, Lydiah Pung
The mechanical properties of the clay slope gradually weaken after the drying–wetting (D–W) cycles, which increases the possibility of landslides. Therefore, the variation of mechanical properties of the root–soil composite during D–W cycles was studied in this paper. Through unconsolidated undrained triaxial test (UU test), the effect of D–W cycles on vegetation slope engineering under different confining
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Hydraulic response and stability of a reservoir slope with landslide potential under the combined effect of rainfall and water level fluctuation Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-06 Ming-liang Chen, Shun-chao Qi, Peng-fei Lv, Xing-guo Yang, Jia-wen Zhou
The Xinhua slope of Dagangshan Reservoir is taken as an example to study the potential for reservoir landslides under the combined effects of rainfall and water level fluctuations. Through field investigation, monitoring analysis by global navigation satellite system and numerical simulation, the hydraulic response and stability of the accumulated deposits on the Xinhua slope were evaluated. Three
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Evaluation of contamination of manganese in groundwater from overburden dumps of Lower Gondwana coal mines Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-06 Kalyan Adhikari, Ujjal Mal
Inappropriate management of coal mine overburden (OB) dumps creates environmental hazards. In many countries, high concentration of Mn was observed in groundwater near the coal mine OB dump sites. Comparatively new coal mines in Barjora coalfield were chosen in this study to assess the impact of OB dumps in groundwater. Acid Digestion (AD), Toxicity Characteristics Leaching Procedure (TCLP) and Batch
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A new prediction model on debris flows caused by runoff mechanism Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-06 Bin Yu, Lingwei Yang, Ming Chang, Theo W. J. van Asch
In areas with strong earthquakes, the triggering rainfall threshold for debris flow initiation decreased dramatically just after the quake, but will increase gradually during the subsequent raining seasons, until the level before the quake. The channel width and particle size in the source area of debris flows in catchments decreased dramatically during a strong earthquake due to the supply of finer
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Weathering and paleoprecipitation indices in a Late Pleistocene–Holocene loess–paleosol sequence in central Argentina Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-06 Sabrina Rouzaut, Verena Agustina Campodonico, Andrea Inés Pasquini
A Late Pleistocene–Holocene loess–paleosol sequence in central Argentina was studied to obtain a weathering insight and to probe geochemical tools as paleoclimatic proxies. Three paleosols and a buried soil interlayered with loess mantles compose Corralito I sequence (32°00′7″ S, 64°11′08″ W, 469 m a.s.l). Several weathering indices (CIA, CIA-K, and LWI) and elemental ratios (∑Bases/Al2O3, Rb/Sr, CaO/TiO2
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Evaluation of the eco-geo-environment in the Qaidam Basin, China Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-06 Lan Li, Wankui Ni, Yuxiang Cheng, Haiman Wang, Kangze Yuan, Bao Zhou
Eco-geo-environment quality refers to the degree of the merits of eco-geo-environment, which reflects the suitability of eco-geo-environment for sustainable development of human activities and socioeconomics in a specific time and space. The ultimate purpose of eco-geo-environment investigation and evaluation is to guide human production and life practice. Qaidam Basin, situated in the northeast Qinghai-Tibet
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Application of the resistivity method in characterizing fractured aquifer in sedimentary rocks in Abakaliki area, southern Benue Trough, Nigeria Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-06 Ikenna A. Obasi, Nneka M. Onwa, Ezekiel O. Igwe
Resistivity range for groundwater-bearing fracture zones was studied in the fractured shales and sandstones of pre-Santonian sedimentary succession in Abakaliki area, southern Benue Trough, Nigeria using vertical electrical sounding (VES) data and borehole lithologs. The results of the study indicate that resistivity of water-bearing fracture zones in the shales is ≤ 52 Ωm and about 107 Ωm in sandstones
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River bank filtration for sustainable water supply on Gorganroud River, Iran Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-06 Hamid Reza Abbasi-Moghadam, Mojtaba G. Mahmoodlu, Nader Jandaghi, Ali Heshmatpour, Mostafa Seyed
River bank filtration (RBF) is one among the managed aquifer recharge methods which is inexpensive and sustainable means to improve the quality of surface waters undergoes natural treatment by subsurface flow through the aquifer medium. This study was carried out to investigate the feasibility of a RBF to improve water quality of Gorganroud River, Iran. For this purpose, 48 water samples were simultaneously
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Permeability and paleoenvironmental implications of loess–paleosol sequence from Jingyang Loess Plateau Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-06 Yao Chen, Hui Qian, Kai Hou, Qiying Zhang, Yuting Zhang
Eolian loess in China contains abundant information about paleoclimate evolution, but there have been few studies of the relationship between the changing permeability of loess and the paleoenvironment. To investigate how loess–paleosol permeability responds to climate change, 342 undisturbed soil samples were collected from the Jingyang Loess Plateau in the Guanzhong Basin. Permeability was measured
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Investigation of the hydrogeochemical processes and regional evolution of karst groundwater in Liulin Spring catchment, northern China Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-06 Qi-bo Huang, Xiao-qun Qin, Rui-rui Cheng, Teng-fang Li, Hua-ying Wu, Hong-wei Liao
The Liulin Spring catchment in Shanxi Province has abundant karst groundwater resources that play a supporting role in the economic and social development of the Lvliang region. Research on the factors controlling the chemical evolution of karst groundwater can be of great significance for the sustainable utilization and effective protection of groundwater resources in the basin. In this study, the
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Geochemistry of Bandan River sediments in Sistan Basin (Eastern Iran): implication for provenance and environmental impact on the Hamoun Lake pollution Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-06 Mahdieh Shahraki, Mohamad Hosein Mahmudy Gharaie, Reza Moussavi-Harami, Alireza Rashki
The catchment basin of Bandan River in Hamoun territory in E-Iran was studied to determine the origin of river sediments and its contaminant potential for the Hamoun Lake pollution. Thirty-four stream bed samples were analyzed for major oxide and trace elements. Geochemical discriminant diagram represents litharenite composition for the river sediments. On the discriminant functional diagram, the samples
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Hydrogeological investigation of soil salinity adjacent to a flood protection infrastructure Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-06 Jerrold W. Rentz, Ramanathan Sri Ranjan, Hartmut M. Holländer
Groundwater modelling is a commonly used technique to determine the influence of surficial processes on subsurface aquifers. In this study, a groundwater monitoring study was conducted on an agricultural field adjacent to a large drainage canal to determine the effects of the canal's operation as it relates to soil salinity during periods around flood events. The groundwater monitoring program consisted
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Ecological risk assessment of toxic metal contamination in a significant mining basin in Turkey Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-05 Cem Tokatli, Alper Uğurluoğlu, Esengül Köse, Arzu Çiçek, Naime Arslan, Hayri Dayioğlu, Özgür Emiroğlu
Emet River Basin is a worldwide significant mining area and contains the most important boron and chromium deposits of Turkey. In this study, water and sediment quality of Emet River Basin was evaluated using some toxic element risk assessment indices. Samples were collected seasonally from 8 locations and nickel (Ni), chromium (Cr), arsenic (As), zinc (Zn), lead (Pb), copper (Cu) and cadmium (Cd)
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Application of fuzzy comprehensive assessment and rock engineering system to assess cavability in block caving mining and establishment of its regionalized model Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-05 Huan Liu, Fengyu Ren, Rongxing He, Guanghui Li, Jing Zhang
The assessment of rock mass cavability is a key research topic when mines intend to adopt block caving mining during the feasibility stages. However, cavability assessment is a multi-index and non-linear complex process in system engineering, and uncertainty exists in the assessment process. In this situation, it is important for cavability assessments to minimize the subjectivity of human judgements
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Application of geographical information system to geoelectrical data for evaluation of the vulnerability of aquifers in parts of Bauchi, Northeastern Nigeria Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-05 Abdullateef Lawal, Moshood N. Tijani, Matteo D’Alessio, Abubakar Sadiq Maigari
The poor quality and inconsistent nature of most surface water supply in arid and semi-arid regions of the world has increased the reliance on groundwater resources. However, the susceptibility of groundwater to anthropogenic pollution in most cities and rural communities in Nigeria has become a major source of concern. In this study, the protective capacity of the aquifers in parts of the Bauchi State
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Natural ambient gamma radiation levels, distribution of radionuclides, and evaluation of radiological hazards around Bellary thermal power plant, India Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-05 B. S. Ujjinappa, Sunil Kumar, B. M. Manohara, E. Srinivasa, C. Ningapp, J. Sannappa
The ambient gamma radiation around the Bellary thermal power plant was measured by Scintillometer of NaI (Tl) detector. The ambient gamma radiation level is mainly dependent upon the activity of primordial radionuclides present in soil and building materials. The activity of natural radionuclides presents in the soil and building materials of some villages around the Bellary thermal power plant is
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Hydrochemical characteristics and pollution source apportionment of the groundwater in the east foothill of the Taihang Mountains, Hebei Province Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-05 Meng Mao, Xia Wang, Xueqin Zhu
The east foothill of the Taihang Mountains, Hebei Province, is an important groundwater recharge and transport area in the North China Plain. It is of practical significance to study the groundwater hydrochemical characteristics of this area for rational groundwater regulation. In this study, the Chadha rectangular diagram and Piper trilinear diagram were adopted to identify the relevant hydrochemical
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Research on creep characteristics and variable parameter-based creep damage constitutive model of gneiss subjected to freeze–thaw cycles Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-04 Xiurong Yang, Annan Jiang, Fengrui Zhang
To investigate the long-term stability of surrounding rock in tunnels in cold regions, the gneiss in the Huibai tunnel of Jilin Province in China was selected for the triaxial creep test after subjecting it to freeze–thaw (F–T) cycles. Furthermore, the influence of F–T cycles on the creep properties of saturated gneiss was analyzed and discussed. The experimental results showed that the increase in
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Spatio-temporal analysis of glacier surface velocity in dhauliganga basin using geo-spatial techniques Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-04 Dhanendra K. Singh, Praveen K. Thakur, B. P. Naithani, Pankaj R. Dhote
Glacier velocity is one of the significant parameter for the assessment of the glacier dynamics, which directly signifies the response of the glacier health with the respect to climate change. The present work focuses on analysing the spatio-temporal characteristics of the surface velocity in the Dhauliganga basin for seven glaciers. The cross-correlation method was applied on the panchromatic scenes
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Changing the paleo-depositional environment in the last 2300 years: a study through sedimentology and geochemistry of a sediment core, western Bay of Bengal Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-04 Janhavi Kangane, Ganapati N. Nayak, Anoop Kumar Tiwari, S. M. Saalim
The sediment core collected at a water depth of 260.2 m off Mahanadi, western Bay of Bengal was analyzed for grain size fractions, clay minerals, and major and trace elements to understand changing depositional environments, source and processes with time, from ~ 2300 cal yr before present (BP) to the year of the collection (2014). Age was estimated using accelerator mass spectrometer (AMS) 14C dates
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Assessment of natural coastal hazards at Alexandria/Nile Delta interface, Egypt Environ. Earth Sci. (IF 2.18) Pub Date : 2021-01-04 Omran Frihy, Soha Mohamed, Dina Abdalla, Mamdouh El-Hattab
Recent in situ fine-grid waterfront survey integrated with inland elevation, nearshore depth soundings and wave data are incorporated into procedures for determining natural hazards, which are prevailing or expected at Alexandria/Nile delta interface on the Mediterranean Sea of Egypt. The hazards being assessed include wave runup height, inundation distance, rates of sea-level rise and shoreline change
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