Article
Geosciences, Multidisciplinary
V. K. Gahalaut, Niraj Gurjar, Avanish Kumar, Shubham Rajewar, Aditya Mohanty, Amit Kumar, Rajeev Kumar Yadav, S. P. Sati, Saroj Mondal
Summary: Slow slope movement is common in the Himalayan region, and four sliding slopes in this area were monitored using GPS. The sliding motion varied from 10-15 mm/year to 5-6 m/year. The Joshimath slide showed significant variation, causing cracks and panic among residents. The exact initiation time of the slide is unknown, but it has been moving since at least 2018.
GEOMATICS NATURAL HAZARDS & RISK
(2023)
Article
Engineering, Geological
Yifei Zhu, Xin Yao, Leihua Yao, Zhenkai Zhou, Kaiyu Ren, Lingjing Li, Chuangchuang Yao, Zhenkui Gu
Summary: This paper studies the Xingguang village landslide using ascending and descending track interferometric synthetic aperture radar observation results and two-dimensional decomposition functions, combined with geomorphological data, stratigraphic occurrence, and lithological characteristics. The study identifies the internal factors responsible for the development of the landslide and proposes a new technical path to obtain the direction of landslide movement and identify rock toppling through time-series cumulative displacement maps and stratigraphic information.
Article
Geosciences, Multidisciplinary
Zhuo Chen, Hongfu Zhou, Fei Ye, Bin Liu, Wenxi Fu
Summary: Through the study of the Baige landslide event, it was found that deep-seated gravitational slope deformations play a crucial role in the evolution process of landslides, while river downcutting and earthquakes also have impacts on the evolution of landslides.
Article
Environmental Sciences
Xiaohui Sun, Jianping Chen, Yanrong Li, Ngambua N. Rene
Summary: This study uses InSAR technology and field geological survey to map landslides and assess susceptibility in the upper reaches of Jinsha River. The results show that the random forest model is optimal for predicting and classifying landslide susceptibility in this area. The study suggests that the double disaster effect of the rapid uplift of the Tibetan Plateau and the significant decrease in sea level during a glacial period controls landslide geological hazards in the upper reaches of Jinsha River.
Article
Geochemistry & Geophysics
Xuan Zhang, Chun Zhu, Zinan Li, Wansheng Ling, Faming Zhang
Summary: This research focused on the Langjia landslide in Qinghai Province of China to explore the failure mechanism and mode of deep relaxation rockslide in cold and arid areas of the plateau. The main precondition for the landslide was found to be deep relaxation tension cracks, triggered by strong weathering and disintegration of argillaceous cemented conglomerate on the sliding surface. The influence of rainfall, snow melting, and temperature accelerated the development of cracks and weathering process, leading to the formation of a sliding surface of mud rock with gravel.
Article
Multidisciplinary Sciences
Peter Dobosy, Adam Illes, Anett Endredi, Gyula Zaray
Summary: Due to the increase in manufacture and recycling of lithium batteries, there may be a rise in lithium pollution in aquatic environments and drinking water reservoirs. A study was conducted in Hungary to investigate the levels of lithium in tap water samples from 19 different locations. The concentrations of lithium varied depending on the water source, with median values ranging from 3.52 to 8.55 μg/L. The study also assessed the levels of lithium in bottled mineral waters and found a median concentration of 17.8 μg/L.
SCIENTIFIC REPORTS
(2023)
Article
Engineering, Geological
Bastian Van den Bout, Luigi Lombardo, Ma Chiyang, Cees van Westen, Victor Jetten
Summary: The research introduces an iterative method for finding progressive slope failure surfaces while considering lateral forces due to weight of the fractured failure material. The method performed well in predicting smaller failures, but ellipsoid sampling methods proved to be more robust for larger slope failures. Comparison with other free and open-source methods showed complex variation in failure surface patterns for the 2009 Messina event, highlighting the potential of the method to provide catchment-scale deterministic failure volume and geometry for future disasters.
ENGINEERING GEOLOGY
(2021)
Article
Environmental Sciences
Zoltan Horvat, Mirjana Horvat, Kristian Pastor, Vojislava Bursic, Nikola Puvaca
Summary: This study explored the potential of using principal component analysis and other multivariate analysis techniques to evaluate water quality data from the Danube River. The results indicated clear clustering of sampling points with respect to their cross-sections, suggesting the significant impact of cross-section position on measured water quality parameters.
Article
Geosciences, Multidisciplinary
Qiang Zou, Hu Jiang, Peng Cui, Bin Zhou, Yao Jiang, Mingyue Qin, Yanguo Liu, Cong Li
Summary: An assessment methodology for landslide susceptibility in mountainous areas was proposed, incorporating interactions among ecological, hydrological, and geotechnical factors. The study developed a quantitative method based on slope failure and landslide formation mechanisms, utilizing slope geomorphic units and analyzing potential slip planes and slope stability. The methodology was validated through a case study in the Dadu River Basin, China, demonstrating its potential to provide scientific support for mitigating landslide hazards in the region.
Article
Geosciences, Multidisciplinary
R. Gatter, M. A. Clare, J. Kuhlmann, K. Huhn
Summary: Submarine landslides can generate powerful tsunamis and threaten critical offshore infrastructure, but many aspects of them, including the characteristics and formation processes of weak layers, remain poorly understood. A new classification based on lithology has been introduced to recognize weak layers associated with submarine landslides.
EARTH-SCIENCE REVIEWS
(2021)
Article
Engineering, Geological
Shenghua Cui, Xiangjun Pei, Hailong Yang, Ling Zhu, Yao Jiang, Chun Zhu, Tao Jiang, Runqiu Huang
Summary: This study conducted shaking table tests to understand the accumulation of historical earthquake-induced damage on bedding slopes. The results showed that seismic motion amplification induced by the bedding surface contributes to damage on the slope sliding surface. The accumulation of damage during multiple earthquakes leads to increased slope peak ground acceleration and decreased model's natural frequency in a nonlinear form. The shortening of the gap between the driving force frequency and the model's natural frequency has a significant impact on slope damage accumulation. These findings highlight the importance of considering the accumulation and reduced frequency of slope deformation associated with multiple earthquakes in future evaluations of slope stability.
SOIL DYNAMICS AND EARTHQUAKE ENGINEERING
(2023)
Article
Chemistry, Multidisciplinary
Laszlo Vas, Eniko Anna Tamas
Summary: The study aims to find an effective method for monitoring suspended sediment transport in rivers. The currently used methods are not accurate enough, so the researchers tested an integrated surrogate method based on turbidity registration to determine the suspended sediment yield in the lower reach of the Danube River. The results of the tests show that the method has great potential, but further measurements are needed to refine the relationships.
APPLIED SCIENCES-BASEL
(2023)
Article
Engineering, Civil
Aulia Dharma Putra, Hikaru Toda, Achmad Hafidz, Kouji Matsuba, Yuuichi Kimikado, Yoshinori Takahashi, Shinji Tsuzuki, Naoki Kinoshita, Hideaki Yasuhara
Summary: A monitoring system combining tilt sensors and LPWA network technology was developed to observe slope movement, successfully detecting slope failure during a heavy rain event in July 2018. Analysis of data from tilt sensors, rainfall, and groundwater levels, as well as site investigations and back analysis, helped in understanding the cause of the slope failure. The system proved to be efficient but additional data collection is needed for increased reliability.
JOURNAL OF CIVIL STRUCTURAL HEALTH MONITORING
(2021)
Article
Geography, Physical
Corinne Singeisen, Chris Massey, Andrea Wolter, Richard Kellett, Colin Bloom, Tim Stahl, Caleb Gasston, Katie Jones
Summary: This study analyzes three landslides triggered by the 2016 earthquake in New Zealand's South Island using 3D pixel tracking and geomorphic mapping. The results show that failure mechanisms and displacement patterns vary in different geological settings.
Article
Environmental Sciences
Xuguo Shi, Xie Hu, Nicholas Sitar, Robert Kayen, Shengwen Qi, Houjun Jiang, Xudong Wang, Lu Zhang
Summary: Landslides are common geohazards influenced by natural drivers such as precipitation, land degradation, water erosion, and ground shaking, as well as human alterations like water impoundment. The reactivation of the Guobu rockslide during reservoir impoundment in China revealed a correlation between rainfall and landslide movement. Radar interferometry was used to monitor the seasonal impact of precipitation on rockslide movement, providing valuable insights into the hydraulic diffusivity and thickness of the moving rock mass.
REMOTE SENSING OF ENVIRONMENT
(2021)
Article
Geography, Physical
Patrick Ludwig, Milivoj B. Gavrilov, Slobodan B. Markovic, Gabor Ujvari, Frank Lehmkuhl
Summary: The study reveals significant differences in climate and environmental conditions in the Carpathian Basin and northern Italy/Adriatic region during the Last Glacial Maximum compared to present-day. The simulation results show that these regions were much colder and drier during the LGM, with active dust storms primarily occurring in winter and spring.
QUATERNARY INTERNATIONAL
(2021)
Article
Geography, Physical
A. Maier, P. Stojakowits, C. Mayr, S. Pfeifer, F. Preusser, B. Zolitschka, M. Anghelinu, D. Bobak, F. Duprat-Oualid, T. Einwoegerer, U. Hambach, M. Haendel, L. Kaminska, L. Kaempf, M. Lanczont, F. Lehmkuhl, P. Ludwig, E. Magyari, P. Mroczek, A. Nemergut, Z. Nerudova, L. Nita, M. Polanska, M. Poltowicz-Bobak, D. Rius, W. Roemer, U. Simon, P. Skrdla, G. Ujvari, D. Veres
Summary: The role of environmental change in the evolution of cultural traits has been a long-standing topic of debate. Fragmentary archaeological and geoscientific archives, along with insufficient chronological resolution, make it challenging to assess environmental impacts on the evolution of material culture. While repeated co-occurrences of certain features may suggest causality, they are not absolute proof.
QUATERNARY INTERNATIONAL
(2021)
Article
Geosciences, Multidisciplinary
Marcin Slowik, Jozsef Dezso, Janos Kovacs, Mariusz Galka, Gyorgy Sipos
Summary: Research in the loess landscapes of Europe has identified three main river evolution phases: the formation of large ancient river channels, anabranching patterns, and small-scale meanders. These phases have appeared at different times and in different types of river systems in the loess landscapes of Europe.
Article
Geography, Physical
B. Bradak, G. Ujvari, T. Stevens, M. F. Bogalo, M. Gonzalez, M. Hyodo, C. Gomez
Summary: This study reveals starkly opposing trends in interglacial intensities in Asia and Europe over the early Middle Pleistocene and Mid-Brunhes Transitions, suggesting major differences in regional responses to climate change. The changing dominance of Mediterranean, Atlantic, and continental air masses are key factors in the observed differences in climate evolution, offering a coherent explanation for the geographically diverse response of regional climate to early Middle Pleistocene climate transitions.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2022)
Article
Geosciences, Multidisciplinary
Marcin Slowik, Jozsef Dezso, Janos Kovacs, Mariusz Galka, Gyorgy Sipos
Summary: This study aims to identify the conditions that influence the preservation of channel planforms in floodplains, and through a literature review and analysis of river valleys, it has identified the potential for preserving channel morphology records and the timescales required.
JOURNAL OF GEOPHYSICAL RESEARCH-EARTH SURFACE
(2022)
Article
Geography, Physical
Peter Szabo, Janos Kovacs, Laszlo Kocsis, Torsten Vennemann, Laura Domingo, Gabor Ujvari, Akos Halmai, Ervin Pirkhoffer, Vlad Codrea
Summary: This study examines the oxygen and carbon isotope compositions of mammalian tooth enamel from the Pliocene and Early Pleistocene in South and Central Europe to reconstruct vegetation distribution and changes in precipitation isotope composition. The results show a transition from a warmer climate to a cooler climate during this period, with vegetation distribution similar to present-day patterns.
QUATERNARY SCIENCE REVIEWS
(2022)
Article
Meteorology & Atmospheric Sciences
G. Ujvari, U. Klotzli, T. Stevens, A. Svensson, P. Ludwig, T. Vennemann, S. Gier, M. Horschinegg, L. Palcsu, D. Hippler, J. Kovacs, C. Di Biagio, P. Formenti
Summary: Abrupt and large-scale climate changes during the last glaciation have been well-represented in Greenland ice core records. However, the feedbacks between atmospheric dust and these climate change events, known as Dansgaard-Oeschger events, are poorly understood. To shed light on this, a multi-technique study of Greenland dust provenance was conducted. The results challenge the existing dominant model and suggest that Greenland dust may originate from the Taklimakan Desert in western China, European glacial sources, or a mix of European and North African dust. These findings demonstrate the complexity and uncertainty of dust climate feedbacks during abrupt events.
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
(2022)
Article
Energy & Fuels
Peter Koroncz, Zsanett Vizhanyo, Marton Pal Farkas, Mate Kuncz, Peter Acs, Gabor Kocsis, Peter Mucsi, Anita Fedorne Szasz, Ferenc Fedor, Janos Kovacs
Summary: The study aims to provide experimental data and a better understanding of the characteristics of the Upper Pannonian sandstone formation, in order to control injectivity and productivity issues. The results indicate that fines migration due to formation erosion is a key process that needs to be better understood and controlled to mitigate injection problems.
Article
Engineering, Marine
Fx Anjar Tri Laksono, Laura Borzi, Salvatore Distefano, Agata Di Stefano, Janos Kovacs
Summary: Coastal dynamics are influenced by various natural and human processes. Studying past and future coastal behavior is crucial for effective coastal zone management. This study examined the 50-year shoreline evolution of the Catania coastal plain in Southern Italy, using satellite imagery and analytical tools. The findings highlight the significant impact of human activities on coastal changes and the importance of considering coastal morphology in forecasting shoreline positions.
JOURNAL OF MARINE SCIENCE AND ENGINEERING
(2022)
Article
Geography, Physical
F. X. Anjar Tri Laksono, Laura Borzi, Salvatore Distefano, Lili Czirok, Akos Halmai, Agata Di Stefano, Janos Kovacs
Summary: The aim of this research is to understand the medium-term shoreline changes along Augusta Bay between 1972 and 2021, and assess the main local coastal modifications caused by increasing coastal armouring. The results show significant shoreline recession in this coastal area, particularly at river deltas, due to human and natural forces. Augusta Bay has experienced a significant increase in artificial coastal length since the 1970s, reaching a maximal level of coastal armouring today.
EARTH SURFACE PROCESSES AND LANDFORMS
(2023)
Article
Geography, Physical
Beata Farkas, Gyorgy Sipos, Tamas Bartyik, Edina Jozsa, Szabolcs Czigany, Richard Balogh, Gabor Varga, Janos Kovacs, Szabolcs Akos Fabian
Summary: This study investigates the polygonal networks in the western part of the Pannonian Basin and suggests the presence of permafrost or deep seasonal frost during the Last Glacial Maximum. The study also identifies relict sand wedges and determines their age and origin.
PERMAFROST AND PERIGLACIAL PROCESSES
(2023)
Article
Geography
Peter Gyenizse, Emese Soltesz, Denes Loczy, Janos Kovacs, Laszlo Nagyvaradi, Tibor Elekes, Sara Bodza Gyenizse-Nagy, Gergo Nemeth, Akos Halmai
Summary: Light pollution is a rapidly increasing form of environmental pollution that harms human health, the physical environment, and wastes energy. This study measured the brightness of the sky in Pecs and created maps of different levels of light pollution. The impact of LED street lighting along main roads was also observed.
GEOGRAPHICA PANNONICA
(2022)
Article
Green & Sustainable Science & Technology
Fx Anjar Tri Laksono, Asmoro Widagdo, Maulana Rizki Aditama, Muhammad Rifky Fauzan, Janos Kovacs
Summary: This study determines the tsunami hazard zone and the most effective evacuation route at Jetis beach, based on multiple factors and scenarios. The southern part of Jetis beach is found to be the most vulnerable area, with low elevation, proximity to the beach and rivers, and gentle slopes.
Article
Geography, Physical
A. Securo, C. Del Gobbo, L. Rettig, S. Pillon, A. De Luca, D. Fontana, E. Benedetti Fasil, R. R. Colucci
Summary: Small glaciers in temperate mountain regions have experienced significant reduction and unprecedented melt rates in recent years. Some glaciers have transitioned from clean ice to debris-covered or even rock glaciers. This study examines the surface elevation change of the Popera Alto glacier in the Sesto Dolomites using LiDAR and Structure from Motion surveys, and analyzes its evolution in terms of surface cover and geomorphic processes. The glacier has lost an average of 0.35 m water equivalent per year over the past 16 years, with active modification of its surface cover by geomorphic processes. The role of debris and local topography feedback has allowed the resilience of the glacier, leading to a marked difference between the current environmental equilibrium line altitude (envELA) and the effective ELA (effELA) of the glacier.
Article
Geography, Physical
Zhenzhen Yan, Yaolin Shi, Lili Kang, Xiangtao Fan
Summary: This study proposes a quantitative regional deformation model based on global positioning system (GPS) data to quantitatively analyze the morphological evolution of rivers in the Three Rivers Region. It finds that tectonic deformation phases significantly control regional landscape development and drainage features.
Article
Geography, Physical
Said Mukhtar Ahmad, Nitheshnirmal Sadhasivam, Mona Lisa, Luigi Lombardo, Mustafa Kemal Emil, Amira Zaki, Cees J. Van Westen, Islam Fadel, Hakan Tanyas
Summary: In this study, we investigated a large slow-moving landslide in Northern Pakistan, using Interferometric Synthetic Aperture Radar (InSAR) analysis. Our results showed that the crown of the landslide is moving faster than the surrounding regions, while the footslope experienced high deformations. We discussed the possible roles of meteorologic and anthropogenic factors in causing these deformations.
Article
Geography, Physical
Shuang Bian, Xibin Tan, Yiduo Liu, Suoya Fan, Junfeng Gong, Chao Zhou, Feng Shi, Michael A. Murphy
Summary: The Yarlung River's drainage divide is primarily moving north due to variations in precipitation across the Himalayas. The Gangdese drainage divide shows predominantly northward and southward migration, controlled by base-level rise and downstream influences. The presence of north-trending rifts separates the drainage divides into five zones, each with a distinct migration pattern.
Article
Geography, Physical
Joon-Young Park, Seok Yoon, Deuk-Hwan Lee, Seung-Rae Lee, Hwan-Hui Lim
Summary: This study developed a multiple-regression model to estimate site-specific average growth rates of debris flow events. The proposed model was validated through a case study and showed reasonable predictions of debris flow velocities and heights.
Article
Geography, Physical
Nicholas Reilly Mccarroll, Arnaud Temme
Summary: New geochronological data from hillslope boulder armor in the Flint Hills reveal the rates and timing of lateral retreat in the landscape. Surfaces of limestone boulders dating back to the Pleistocene era were found, and the ages of the hillslope armor increased with distance from the limestone bench. The estimated rate of lateral retreat in this landscape is 0.02 mm/yr.
Article
Geography, Physical
Xinbo Yao, Yuntao Tian
Summary: By studying the Longmenshan-Minshan drainage divide, we found that it has reached a dynamic steady state, indicating a balance between erosion and rock uplift. This study also reveals the process of formation and evolution of the divide and raises questions about the effectiveness of divide migration metrics.
Article
Geography, Physical
Junhui Yu, Pin Yan, Yanlin Wang, Guangjian Zhong, Changliang Chen
Summary: The seafloor mounds in the Chaoshan Depression of the South China Sea are identified as mud volcanoes, with fluids coming from underlying mud-fluid diapirs. The hydrocarbon gases feeding the mud volcanoes and diapirs are reasoned to originate from deep Mesozoic source rocks, indicating significant Mesozoic hydrocarbon potential in the Chaoshan Depression.
Article
Geography, Physical
Marius Huber, Luc Scholtes, Jerome Lave
Summary: This paper investigates the relationships between hillslope stability and fabric anisotropy of brittle rock materials and the implications for landscape shaping. It explores the different stability modes and movement characteristics of anisotropic materials, and demonstrates the significant control of material anisotropy on landscape shaping.
Article
Geography, Physical
Shubhra Sharma, Anil D. Shukla
Summary: The study investigates the relationship between glacial dynamics and lake sedimentation during the mid-Holocene climate variability in the Southern Zanskar ranges. It utilizes geomorphological disposition, elemental geochemistry, and optical chronology of relict lake sediment to reconstruct the pattern of minor glacier responses to climate variability. The results indicate six centennial to millennial-scale climatic phases, with warmer phases represented by decreased mineralogical fine grain flux and increased coarse grain flux. The study highlights the potential of relict lake sediment and para/peri-glacial landforms in understanding glacial dynamics and climate change during the Holocene.
Article
Geography, Physical
Jean-Francois Bernier, Sydney W. Meury, Patrick Lajeunesse
Summary: In this study, an approach combining various data and observation methods was proposed to improve the monitoring of landfast ice dynamics and its geomorphic impact on sedimentary systems. The results demonstrate the ability of the approach to accurately measure interannual variations in landfast ice and constrain geomorphic changes. Additionally, the study found a strong relationship between the severity of freezing seasons and the response of landfast ice to hydrometeorological events, with different geomorphic responses observed under different winter conditions.
Article
Geography, Physical
Heping Shu, Fanyu Zhang
Summary: This study investigates the relationship between susceptibility of soil-water hazards and human activities, geoheritage sites in the Loess Plateau, China. Landslide and gully erosion susceptibility were obtained using gradient boosting and support vector machines, and a hazard matrix was formed to couple landslide and gully erosion susceptibility. The study found different trends in the magnification times of soil-water hazards chain under different scenarios.
Article
Geography, Physical
Guangqiang Qian, Zhuanling Yang, Xuegang Xing, Zhibao Dong, Youyuan Guo
Summary: Granule ripples are aeolian landforms armored against erosion by coarse grains. This study investigates their seasonal morphological evolution and migration in the Sanlongsha Dune Field. The findings show that wind events, especially those exceeding the threshold velocities of coarse grains, significantly influence the morphodynamics of granule ripples. The study highlights the importance of considering the reptation and saltation of coarse grains in future research on granule ripples.