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Cadmium accumulation in soil resulting from application of biogas digestate and wood ash – Mass balance modelling Appl. Geochem. (IF 3.4) Pub Date : 2024-03-11 Jon Petter Gustafsson, Marie-Cécile Affholder, A. Sigrun Dahlin
This study investigates the impact of substituting conventional NPK fertilizer with wood ash and biogas digestates at an agricultural field site in southwest Sweden. A three-year field experiment, comprising a crop rotation cycle of spring wheat, winter wheat, and oats, was conducted. The obtained results were employed to establish a dynamic mass balance model for the A horizon of the soil at the site
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Factors controlling lithium accumulation in brines from Upper Cretaceous to Lower Eocene aquifers of a continental evaporite basin Appl. Geochem. (IF 3.4) Pub Date : 2024-03-10 Xiaocan Yu, Chunlian Wang, Hua Huang, Jiuyi Wang
The origin of deep-seated Li-rich brines in a continental evaporite basin remains poorly understood. To clarify hydrogeochemical processes governing the Li enrichment, this study investigated chemical compositions and multi-isotopic (H–O–Li–Sr) features of a set of water samples from Upper Cretaceous to Lower Eocene sedimentary brines, saline groundwaters and oilfield brines, thermal waters and surficial
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Source appointment of δ13C in sediments of a maar lake in southern China: Implications of fossil fuel CO2 emissions Appl. Geochem. (IF 3.4) Pub Date : 2024-03-09 Meiling Guo, Yongming Han, Weiguo Liu, Yunning Cao, Dewen Lei, Weijian Zhou, Zhisheng An
Stable carbon isotopes (δC) in lake sediments can record changes in CO emissions from fossil fuels (FFs) combustion; however, the exact proportion of δC changes caused by FFs combustion remains unclear. Here, taking the Huguangyan Maar Lake (HGY) located in low latitude with high intensity of human activities in southern China as an example, we used the MixSIAR Bayesian stable isotope mixing model
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Influence of dam on the distribution of solid iron species in riparian sediment particles at different sizes Appl. Geochem. (IF 3.4) Pub Date : 2024-03-09 Yuxi Lu, Weijun Zhao, Peng Zhang, Hui Liu, Songhu Yuan
The impact of dam on the distribution and transformation of elements in riparian zones has received increasing attention. However, previous studies mainly focused on the site scale, with limited investigation at the particle scale, although the particle size is an important sediment property affecting solute and contaminant adsorption and desorption. In this study, we collected sediment particles from
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Can the Gondwana, Oligocene, and Palaeocene-Eocene coals of India be used as a strontium isotope chronometer? Appl. Geochem. (IF 3.4) Pub Date : 2024-03-08 Avijit Das, Rajeev Kumar, Subhra Sarita Patel
Strontium isotope data of the Gondwana, Oligocene, and Palaeocene-Eocene coals of India has been compiled for the first time in this report. The Gondwana coals of peninsular India from the Talcher, Ib, Rajmahal, Wardha, and Korba coalfields have the highest mean Sr/Sr value of 0.731762 ± 0.000034 (2σ). Compared with the high radiogenic Sr content of the non-marine Gondwana coals, the Oligocene coals
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Medical Geology: A Tribute to Olle Selinus (1943–2023) Appl. Geochem. (IF 3.4) Pub Date : 2024-03-04 Chaosheng Zhang, Anna Ladenberger, Jose Centeno, Robert Finkelman, Hassina Mouri
Olle Selinus (1943.6.27–2023.11.18) was born in Cardiff, Wales in Great Britain. He studied at Uppsala University where he received his PhD in minerology-petrology in 1971. Then Olle Selinus started his position as a geochemist and State Geologist at Geological Survey of Sweden (SGU), where he continued working for 39 years until his retirement in 2010. The most significant contribution of Olle Selinus
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History of anthropogenic faece and sewage contamination to Lake Erhai in southwestern China over the past ∼200 years Appl. Geochem. (IF 3.4) Pub Date : 2024-03-02 Yuxin He, Yue Chen, Can Zhang, Yanhong Xu, Luyi Cai
Over the past decades, faece and sewage pollution from agricultural and industrial activities has induced severe eutrophication and ecosystem deterioration of Lake Erhai in southwestern China. Investigations on the anthropogenic faece and sewage input from both spatial and historical viewpoints are of great values for recovery strategies. In this study, we investigated fecal steroids in surface sediments
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Timescale of radium and alkaline earth cations ascent in the trees: Use of isotopic (228Ra/226Ra) ratio Appl. Geochem. (IF 3.4) Pub Date : 2024-03-02 Sophie Rihs, Eric Lascar, François Chabaux, Laurent Pourcelot, Philippe Calmon, Paul-Olivier Redon, Catherine Galy, Marie-Pierre Turpault
Due to its short-lived progeny, including gaseous radon isotopes that can be inhaled and its significant transfer into vegetation, radium poses a substantial concern in radiation risk assessment. Although the transfer of Ra from soil to plants has been previously documented, the distribution and speciation of radium within the plant tissues, particularly within trees, remain unclear. The temporal dimension
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Sources and transformation of nitrate in an agricultural riverine reservoir watershed of the Sichuan Basin Appl. Geochem. (IF 3.4) Pub Date : 2024-03-01 Fen Xu, Kexin He, Hong Wang, Xiaoxia He, Yaqian Zhou, Jie Qin, Lishan Wu, Rui Yang, Jianfei Yuan
Elucidating the origins and transformations of nitrate in groundwater and surface water within agricultural regions is imperative for effectively managing watershed contamination and environmental improvement. This study conducted a comprehensive geochemical investigation using multiple stable isotopes (D-HO and O–HO, N–NO and O–NO, and N–NH) and hydrogeochemical characteristics to explore the potential
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Hydrogeochemical evolution and characterization study in volcanic lakes of the Azores archipelago (Portugal) Appl. Geochem. (IF 3.4) Pub Date : 2024-02-28 César Andrade, J Virgílio Cruz, Fátima Viveiros, Lúcia Moreno, Letícia Ferreira, Rui Coutinho
A hydrogeochemical study was performed on 45 lakes spread across six islands of the Azores archipelago (Portugal). Water temperature of the studied lakes is cold (mean = 16.2 °C), and the deeper lakes depict a monomictic behaviour, with water column stratification during summer resulting in higher carbon dioxide concentrations in the hypolimnion. Samples present an acid to neutral pH (mean = 7.04)
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Carbon dioxide removal via weathering of sugarcane-mill ash under different soil conditions Appl. Geochem. (IF 3.4) Pub Date : 2024-02-24 Hannah Green, Peter Larsen, Yang Liu, Paul N. Nelson
Sugarcane-mill ash has been suggested as having high potential for carbon dioxide removal (CDR) via enhanced weathering (EW), but this had not been quantitatively assessed. The aims of this study were to 1) assess the CDR potential of various sugarcane-mill ashes via EW, and 2) investigate the impact of soil conditions and mill ash properties on the CDR. This was done by characterising physical and
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Compositional balance analysis: A novel method for tectono-geochemical anomaly identification and blind ore deposit prediction Appl. Geochem. (IF 3.4) Pub Date : 2024-02-23 Yue Liu, Qinglin Xia
Tectono-geochemical exploration always involves the study of tectono-geochemical primary halos. From the perspective of compositional data analysis, this study introduced how to use compositional balance analysis (CoBA) method to recognize tectono-geochemical anomalies and infer blind ore deposits in the deep. A case study for prediction of concealed Pb–Zn ore deposits based on tectono-geochemical
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Determining Fe concentration and speciation in waters with high natural organic matter content Appl. Geochem. (IF 3.4) Pub Date : 2024-02-20 Wei Li, Tianming Wang, Stephen Boult
Valency, solubility and size of Fe are important controls on quality of natural waters. Recent recognition of the ubiquitous influence of natural organic matter on these, means that wider monitoring of Fe species in waters containing organic matter is required. We assess and develop methods that explicitly recognize this need. We show that for water samples prepared by acidification and filtration
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Antimony isotope fractionation during Sb(V) and Sb(III) adsorption on secondary Fe-minerals (schwertmannite, ferrihydrite) typical of mine waters Appl. Geochem. (IF 3.4) Pub Date : 2024-02-20 Colin Ferrari, Eléonore Resongles, Rémi Freydier, Corinne Casiot
The application of antimony (Sb) isotopes as tracers for Sb environmental cycling is currently limited. Indeed, there is a lack of knowledge of isotope fractionation factors associated with key (bio-) geochemical processes controlling its behaviour in surface environments. This study investigated the equilibrium isotope fractionation generated by Sb(V) and Sb(III) sorption on two iron minerals typical
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Quantitative characterization of the effect of compaction rate on ammonium release from clayey sediments Appl. Geochem. (IF 3.4) Pub Date : 2024-02-20 Bolin Zheng, Teng Ma, Cong Xiao, Wenkai Qiu, Ziqi Peng
Ammonium-rich pore water will release from clayey sediments into adjacent aquifers during aquitards compaction, which can adversely affect groundwater quality. Differences in the rate of groundwater exploitation can lead to differences in the rate of compaction of aquitards, which may, to some extent, affect the release of chemical components of the pore water from the aquitard. However, the effect
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Modelling CO2 recycling to the atmosphere after CO2 sequestration with ground basalt Appl. Geochem. (IF 3.4) Pub Date : 2024-02-19 Michael O. Schwartz
Ground basalt mixed with agricultural fertilizer acts as a sink for atmospheric carbon dioxide (CO). The constituents of dissolving basalt form carbonate minerals through reaction with aqueous carbon species. The carbonate minerals start dissolving towards the end of the basalt dissolution process, leading to an increase in the CO partial pressure (p) of the soil pore fluid. The pathway of possible
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Spatial pattern, hydrogeochemical controlling processes and non-carcinogenic risks of fluoride-enriched groundwater in the North Henan Plain, Northern China Appl. Geochem. (IF 3.4) Pub Date : 2024-02-14 Mengzhu Wang, Chunli Su, Xianguo Wang, Jiaqi Jiang, Feifei Ren, Haifeng Liu
High fluoride (F) groundwater (F>1.5 mg/L) widely occurred in the North Henan Plain, located in the arid and semi-arid region of the lower reaches of the Yellow River, which poses a threat to the health of local residents. Seventy-six groundwater samples were collected from the quaternary aquifers in 2022 to explore the spatial pattern of F, hydrogeochemical evolution processes, and driving factors
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Qingshan sanidine (QSs): A new mesozoic 40Ar/39Ar dating standard tied to the M0r (Barremian–Aptian boundary) Appl. Geochem. (IF 3.4) Pub Date : 2024-02-12 Yinzhi Wang, Liekun Yang, Wenbei Shi, Lin Wu, Fei Wang
Accurate Ar/Ar dating requires a standard (neutron fluence monitor) of an appropriate age to minimize the range of isotopic ratios to be measured between standard and unknown samples. Here we present a new Cretaceous standard, i.e., Qingshan sanidine (QSs), from the Jiaolai Basin in Shandong Province, China. In situ major element analysis revealed high and consistent K contents within QSs grains. Overall
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Radium sorption on crystalline rock; spatial distribution and sorption modeling study Appl. Geochem. (IF 3.4) Pub Date : 2024-02-07 Otto Fabritius, Anita Fabritius, Marsha Hellings, Tatiana Sorokina, Tiina Sojakka, Anna-Maria Jakobsson, Xiaodong Li, Juuso Sammaljärvi, Marja Siitari-Kauppi
Spent nuclear fuel from the Finnish and Swedish nuclear power plants will be permanently disposed of in deep geological disposal facilities located on the coast of the Baltic Sea. As a part of the disposal's safety case, the migration properties of the safety-relevant spent nuclear fuel-borne radionuclides, such as the radionuclide progeny of the waste component U, Ra, need to be assessed in the lithosphere
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Sulfate enhances the adsorption and retention of Cu(II) and Zn(II) to dispersed and aggregated iron oxyhydroxide nanoparticles Appl. Geochem. (IF 3.4) Pub Date : 2024-02-05 Emma M. Kocik, Abigail Kim, Miranda L. Aiken, Lauren Smith, Christopher S. Kim
The adsorption and retention of metal ions to nanoscale iron (hydr)oxides in aqueous systems is significantly influenced by prevailing environmental conditions. We examined the influence of sulfate, the second most common anion in seawater that is prevalent in many other natural aquatic systems, on the adsorption and retention of Cu(II) and Zn(II) to synthetic iron oxyhydroxide nanoparticles (NPs)
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U(VI) sorption on illite in the presence of carbonate studied by cryogenic time-resolved laser fluorescence spectroscopy and parallel factor analysis Appl. Geochem. (IF 3.4) Pub Date : 2024-02-05 Huiyang Mei, Noboru Aoyagi, Takumi Saito, Kazuya Tanaka, Yuki Sugiura, Yukio Tachi
Identification of sorption species of uranium (U) on clay minerals by spectroscopic techniques would consolidate the reliability of predicted sorption models. However, it is still challenging, especially, under complex environmental conditions, where the surface loading is low, and quenching elements for spectroscopic analyses hamper the application. In light of this, the sorption of U(VI) on illite
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Modeling of a radionuclide transport experiment in granitic rock matrix at the Grimsel Test Site (Switzerland). The role of advection. Appl. Geochem. (IF 3.4) Pub Date : 2024-02-03 Josep M. Soler, Deby Jurado, Maarten W. Saaltink, Lurdes Martínez, Juan J. Hidalgo, G. William Lanyon, Martin Heule, Yuta Fukatsu, Marja Siitari-Kauppi, Vaclava Havlová, Eva Bedrníková, Andrew J. Martin
Within the framework of the GTS-LTD project (Grimsel Test Site – Long-Term Diffusion), a radionuclide transport experiment in unfractured granitic rock matrix was performed. Grimsel groundwater containing several radionuclide tracers (H as HTO, Cl, Na, Cs, Ba) was continuously circulated through a packed-off borehole interval. The decrease in tracer concentrations in the solution was monitored for
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Road salt-induced salinization impacts water geochemistry and mixing regime of a Canadian urban lake Appl. Geochem. (IF 3.4) Pub Date : 2024-02-02 Jovana Radosavljevic, Stephanie Slowinski, Fereidoun Rezanezhad, Mahyar Shafii, Bahram Gharabaghi, Philippe Van Cappellen
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Reconstructing the temperature and origin of CO2 mineralisation in CarbFix calcite using clumped, carbon and oxygen isotopes Appl. Geochem. (IF 3.4) Pub Date : 2024-02-02 C.M. Holdsworth, C.M. John, S.Ó. Snæbjörnsdóttir, G. Johnson, B. Sigfússon, R. Leslie, R.S. Haszeldine, S.M.V. Gilfillan
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New insights into aluminosilicate gel from acetic acid attack of hydrated Portland cement: Experimental and thermodynamic characterization Appl. Geochem. (IF 3.4) Pub Date : 2024-01-24 Cédric Roosz, Marie Giroudon, Laurie Lacarrière, Matthieu Peyre Lavigne, Cédric Patapy, Alexandra Bertron
Many concrete structures in aqueous environments suffer leaching, affecting their microstructure and durability. The resulting chemical and mineralogical degradation are difficult to predict over the long term and for environments of varying chemical composition, especially for severely degraded cement matrices. This is mainly because of the lack of chemical and thermodynamic data on the degraded phases
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A study on the classification of geological background source cadmium migration phases in Zhejiang Province, China Appl. Geochem. (IF 3.4) Pub Date : 2024-01-24 Wenda Zhou, Xinzhe Lu, Shuyun Xie, Chunlei Huang, Jinghe Wang, Kegan Guo, Zhengyu Bao
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Temperature-dependent adsorption by goethite of molybdate and vanadate Appl. Geochem. (IF 3.4) Pub Date : 2024-01-17 Michael Kersten
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Trace element geochemistry of high-temperature geothermal waters in the Yunnan-Tibet geothermal province, Southwest China Appl. Geochem. (IF 3.4) Pub Date : 2024-01-17 Jianbo Shang, Mingliang Liu, Yuanyuan Cao, Hongjie Shi, Xing Wei
To investigate the origins of the trace elements and related geochemical processes, seven representative geothermal systems in southern Tibet and one in western Yunnan were selected. The geothermal waters were divided into acidic and neutral-to-alkaline in magmatic geothermal systems and neutral-to-alkaline in non-magmatic geothermal systems. Acidic geothermal waters exhibit low concentrations of most
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Hidden Markov model for spatial analysis of three-dimensional mineralization distribution: Insights into magma flow and mineral exploration targets in the Jinchuan Ni-Cu-(PGE) sulfide deposit, China Appl. Geochem. (IF 3.4) Pub Date : 2024-01-20 Hao Deng, Juexuan Huang, Zhankun Liu, Longjiao Li, Xinyu Liu, Xi Wang, Jin Chen, Zequan Wu, Xiancheng Mao
The spatial distribution of mineralization includes significant clues about the magma/fluid flow process for ore formation. However, given the complex nature of the ore-forming process and its weak signature in the mineralization data, revealing the magma/fluid flow process in their mineralization footprint presents a considerable challenge. In this paper, we present a hidden Markov model (HMM) for
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Trace element chemistry and strontium isotope ratios of atmospheric particulate matter reveal air quality impacts from mineral dust, urban pollution, and fireworks in the Wasatch Front, Utah, USA Appl. Geochem. (IF 3.4) Pub Date : 2024-01-14 Micah J. Marcy, Gregory T. Carling, Alyssa N. Thompson, Barry R. Bickmore, Stephen T. Nelson, Kevin A. Rey, Diego P. Fernandez, Matthew Heiner, Bradley R. Adams
Atmospheric particulate matter (PM) in urban areas is derived from natural and anthropogenic sources, but it is difficult to identify how these various sources contribute to air quality. To characterize PM sources in an urban setting, we collected PM in three size fractions (PM2.5, PM10, and total suspended particulates, TSP) for two-week intervals from 2019 through 2021 in the Wasatch Front of northern
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Describing geochemical backgrounds of lithium in rock-soil-sediment systems Appl. Geochem. (IF 3.4) Pub Date : 2024-01-18 Shaoyu Chen, Qingjie Gong, Peiyu Li, Shengchao Xu, Ningqiang Liu
An empirical equation has been proposed to describe geochemical backgrounds of trace elements during rock weathering on weathering and lithological indices. However, with respect to lithium, the equation was derived on only 9 regolith profiles in China and was not applicable to carbonate-bearing materials with WIG (weathering index of granite) larger than 120. To derive a robust and widely used equation
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Seasonal variations of a glacier river runoff components as relative to changes of air temperature and precipitation in southeast Tibetan Plateau Appl. Geochem. (IF 3.4) Pub Date : 2024-01-18 Ke Wang, Yanlong Kong, Tao Pu, Xiaoyi Shi, Zhonghe Pang
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Rapid and significant perturbations on the global geochemical cycle of rhenium by human activities ----- A case study in Yangtze River basin Appl. Geochem. (IF 3.4) Pub Date : 2024-01-17 Ye Wang, Shilei Li, Pengxiao Xu, Haoxian Wang, Yang Chen, Jun Chen
Rhenium, mostly found in sedimentary organic matter, is used to estimate petrogenic organic carbon (POC) weathering rates. Understanding its cycle on the Earth's surface is key to using riverine dissolved rhenium (Re) as a marker for the weathering of POC. Yet, human interference, especially from the mining, industrial and chemical sectors that commonly use Re, can affect use of this marker. In this
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Lithium extraction from geothermal brines: Adsorption-desorption studies on 226Ra (228Ra) and 210Pb on lithium-titanium-oxides (LTO) Appl. Geochem. (IF 3.4) Pub Date : 2024-01-17 Lena Kölbel, Laura Herrmann, Thomas Kölbel, Jochen Schneider
Extracting lithium from geothermal brines contributes to meet the growing demand for lithium-ion batteries and other energy applications. Deep geothermal brines of the Upper Rhine Graben (URG) contain up to 200 mg L−1 of lithium and a wide range of dissolved elements, including Th–U series radionuclides. This study presents data from a radiochemical monitoring conducted as part of pilot tests for lithium
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Latitudinal difference in sulfate formation from methanesulfonate oxidation in Antarctic snow imprinted on 17O-excess signature Appl. Geochem. (IF 3.4) Pub Date : 2024-01-13 Shohei Hattori, Sakiko Ishino, Nozomi Suzuki, Fumio Nakazawa, Ikumi Oyabu, Shun Tsutaki, Motohiro Hirabayashi, Kazushi Noro, Norimichi Takenaka, Kenji Kawamura, Naohiro Yoshida, Hideaki Motoyama
The 17O-excess (Δ17O) of sulfate (SO42−) in Antarctic ice cores is a potential tool for assessing past oxidant chemistry. However, a significant gap between atmospheric and ice core Δ17O(SO42−) has been reported in Antarctica. Here, we report Δ17O(SO42−) of surface snow at sites with different snow accumulation rates along a latitudinal traverse route in East Antarctica. While the Δ17O(nss-SO42−) values
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Preface to “atmospheric geochemistry: A special issue endorsed by IGAC China working group and IAGC China working group” Appl. Geochem. (IF 3.4) Pub Date : 2024-01-05 Mingjin Tang, Lei Geng, Shengrui Tong, Zhe Wang, Xuan Zhang
Abstract not available
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Active CO2 emissions from thermal springs in the Karakoram fault system and adjacent regions, western Tibetan Plateau Appl. Geochem. (IF 3.4) Pub Date : 2024-01-05 Xian-Gang Xie, Maoliang Zhang, Wei Liu, Yi Liu, Linan Wang, Yun-Chao Lang, Sheng Xu
Large-scale intra-continental strike-slip faults provide the pathways for groundwater circulation and the release of CO2-rich fluids through thermal springs, which is a significant type of deep CO2 emissions into the atmosphere and hydrosphere. India-Asia collision created numerous strike-slip faults and thermal springs in the Tibetan Plateau and adjacent regions, but their CO2 origins and fluxes are
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Geochemical characterization and implications of soil gas and geothermal fluids in the fault zone of Xiongan new area Appl. Geochem. (IF 3.4) Pub Date : 2024-01-06 Jiang Wang, Changfeng Liu, Zhi Chen, Zhixiang Zhang, Fan Zhang, Suxin Zhang
This study investigates the geochemical characteristics and implications of soil gas and geothermal fluids in the fault zone of Xiongan New Area (XNA). Spatial distribution analysis reveals high soil gas concentrations along the fault zone, prompting the establishment of measurement lines along specific fault segments, such as Niudong fault, with a vertical burial trend. The measured average Rn flux
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Efficient chemical and microbial removal of iron and manganese in a rapid sand filter and impact of regular backwash Appl. Geochem. (IF 3.4) Pub Date : 2024-01-10 Signe Haukelidsaeter, Alje S. Boersma, Lina Piso, Wytze K. Lenstra, Niels A.G.M. van Helmond, Frank Schoonenberg, Erik van der Pol, Luis C.C. Hurtarte, Paul W.J.J. van der Wielen, Thilo Behrends, Maartje A.H.J. van Kessel, Sebastian Lücker, Caroline P. Slomp
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Aqueous and mineralogical sulfur speciation in legacy tailings with variable redox conditions Appl. Geochem. (IF 3.4) Pub Date : 2024-01-09 Matias Silva-Caceres, Adriana Guatame-Garcia, Bas Vriens
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The δ18O and δ2H fingerprint of the Scioto River: A detailed look into seasonal and spatial variations in the context of Ohio rivers Appl. Geochem. (IF 3.4) Pub Date : 2024-01-07 Devin F. Smith, Connor M. Wichterich, Anne E. Carey, Susan A. Welch, W. Berry Lyons
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Hydrogeochemistry and indicators of flowback and produced water from wells that are hydraulically fractured with recycled wastewater: A case study of the Changning gas field in the Sichuan Basin Appl. Geochem. (IF 3.4) Pub Date : 2024-01-06 Dan Liu, Wei Xiong, Xiaowei Zhang, Wei Guo, Wanting Li, Jinliang Gao, Lixia Kang, Yuyang Liu, Zhaoyuan Shao, Lin Zhang, Cong Yu, Fengrong Liao, Chenchen Fang, Jie Dai, Chunyan Song, Xianzhi Peng, Limiao Yao, Yunyan Ni
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The fate of carbon dioxide generated by decomposition of the organic matter in the Boom Clay upon heating at 80 °C: The buffering role of carbonates and implications for the geological disposal of heat-emitting waste Appl. Geochem. (IF 3.4) Pub Date : 2024-01-05 M. Honty, C. Ostertag-Henning, P. Koděra, L. Frederickx, E. Jacops, L. Wang, S. Salah, X. Sillen
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Hydrogeochemical and geothermal features of thermal springs along the Ganzi-Yushu fault, eastern Tibetan Plateau and its geological implications Appl. Geochem. (IF 3.4) Pub Date : 2024-01-05 Bo Wang, Xiaocheng Zhou, Jingchao Li, Yongxian Zhang, Junfeng Shen, Jun Zhong, Zhicheng Bao
Important fault zone processes can be discerned from the hydrothermal fluid circulation associated with active seismic sources. This study focused on the geochemical and isotopic features of the thermal waters along the Ganzi-Yushu fault (GZYSF) located in the eastern Tibetan Plateau. 22 spring samples were collected to characterize the chemical compositions and calculate the geothermal reservoir temperatures
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Phosphonate functionalized magnetic mesoporous silica for rare earth element recovery from citrate assisted solid waste extracts Appl. Geochem. (IF 3.4) Pub Date : 2024-01-05 Dien Li, Yinghao Wen, Lei Hu, Xiaoyu Xu, Breann S. Spencer, Shani Egodawatte, Sarah C. Larsen, Yuanzhi Tang
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Enhanced efficiency of refractory organic pollutant degradation over a wide pH range by peroxymonosulfate activated by cobalt-doped FeS Appl. Geochem. (IF 3.4) Pub Date : 2024-01-05 Yanting Pan, Feng Zhang, Ziyang Zhou, Feng Jiang, Xiaoming Wang, Hui Yin, Wenfeng Tan, Xionghan Feng
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Diverse sedimentary organic matter within the river-aquifer interface drives arsenic mobility along the Meghna River Corridor in Bangladesh Appl. Geochem. (IF 3.4) Pub Date : 2024-01-04 Thomas S. Varner, Harshad V. Kulkarni, Kyungwon Kwak, M. Bayani Cardenas, Peter S.K. Knappett, Saugata Datta
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Evaluation of the ecohydrological separation of different geomorphological units in a semi-arid area Appl. Geochem. (IF 3.4) Pub Date : 2024-01-01 Yu Zhang, Mingjun Zhang, Yuquan Qiang, Jiaxin Wang, Rong Guo, Deye Qu, Shengjie Wang
The ecohydrological separation (ES) phenomenon which states that there are two incompletely mixing subsurface water pools, one of which is supplied to plants for transpiration while the other flows to groundwater and river water, has far-reaching implications for hydrological model simulation and water resources management. Specifically, it is unclear whether it occurs under different geomorphological
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Nitrous oxide production from biological and chemodenitrification by Fe(II) in estuarine and coastal sediments Appl. Geochem. (IF 3.4) Pub Date : 2023-12-31 Mengting Qi, Dengzhou Gao, Hongpo Dong, Xia Liang, Zhao Song, Min Liu, Lijun Hou, Xiaofei Li
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The tendency towards equalization of the 234U/238U isotopic activity ratios in fractions of U(IV) and U(VI) during thermal annealing of metamict polycrase Appl. Geochem. (IF 3.4) Pub Date : 2023-12-24 Mohammad Hosseinpour Khanmiri, Roman V. Bogdanov, Anatoly V. Titov, Edward V. Fomin, Mohammad Samadfam, Mohammad Outokesh
The fate of the immobilized actinides of the spent nuclear fuel in mineral-like matrices can be predicted by studying the behavior of uranium isotopes as representatives of the actinides in natural analogues. This work deals with the thermochemical behavior of uranium isotopes, which is accompanied by a redox process within the 25–800 °C temperature range in the metamict natural analogue of polycrase
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Water-rock interactions of uranium deposits: A field investigation and laboratory batch experiment Appl. Geochem. (IF 3.4) Pub Date : 2023-12-24 Hakyung Cho, Jaeyeon Kim, Seong-Sun Lee, Kang-Kun Lee, Jaeguk Jo, Dongbok Shin, Ji-Hun Ryu, Sung-Wook Jeen
Interactions between bedrock and groundwater in the far-field of a deep geological repository (DGR) for high-level radioactive waste significantly affect the transport of uranium, which is the major radionuclide in a DGR. Therefore, the present study evaluated the geochemical behavior of uranium by assessing the hydrogeochemical characteristics of groundwater, surface water, mine water, and quarry
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Focused recharge enhances soil carbon leakage and carbonate weathering in groundwater: Implications for subsurface carbon sinks Appl. Geochem. (IF 3.4) Pub Date : 2023-12-23 Xin Dai, Aimin Liao, Yueqing Xie, Chuan Wang, Xingxing Kuang, Jin Lin, Jichun Wu
Soil carbon leakage into groundwater is a crucial and natural carbon sink process in the subsurface carbon cycling. However, the primary driving force for soil carbon downward leakage and the following fate of the carbon in groundwater remains elusive. Here, we investigated multi-seasonal hydrodynamics, hydrogeochemistry and environmental isotopes (δ13C, δ2H and δ18O) in groundwater wells in a humid
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The role of alkalinity on metals removal from petroleum produced water by dolomite Appl. Geochem. (IF 3.4) Pub Date : 2023-12-23 Khalid Omar, Javier Vilcáez
Alkalinity is a critical parameter for describing the composition, pH buffer capacity, and precipitation potential of petroleum produced water (PW). Besides salinity, alkalinity and metal concentrations are generally greater in PW than in freshwater (FW) and seawater. This study presents batch reaction experimental and simulation results showing that the removal of Ba, Sr, and Cd from PW by dolomite
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Combining numerical modeling and machine learning to predict mineral prospectivity: A case study from the Fankou Pb–Zn deposit, southern China Appl. Geochem. (IF 3.4) Pub Date : 2023-12-17 Fan Xiao, Xinyu Chen, Qiuming Cheng
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Geochemical and mineralogical responses to thermal alteration by an igneous intrusion in the Dashucun Coal Mine of the Fengfeng coalfield, Hebei, North China Appl. Geochem. (IF 3.4) Pub Date : 2023-12-20 Na Wang, Shifeng Dai, Joan Esterle, Tim Moore, Lei Zhao
Igneous intrusions into coal affect the safety, productivity, and economic viability of many coal mines. Also, the alterations in coal caused by igneous intrusions encompass a deterioration in coal quality, a decrease in permeability, an enhancement of coal rank, and geochemical and mineralogical compositions. Although there have been some studies related to the effects of igneous intrusions on the
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40 years of theoretical advances in mass-independent oxygen isotope effects and applications in atmospheric chemistry: A critical review and perspectives Appl. Geochem. (IF 3.4) Pub Date : 2023-12-17 Mang Lin, Mark H. Thiemens
The discovery of chemically induced mass-independent isotope fractionation in ozone formation 40 years ago revealed a new type of isotope effect that was not considered within the conventional framework of single-isotope ratio measurements. Since this landmark discovery, advances to our theoretical understanding of isotopic physical chemistry effects have helped establish numerous new applications
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Effects of climate, soil and water source on the distribution of bioavailable iron in low-land paddy soils of Sri Lanka Appl. Geochem. (IF 3.4) Pub Date : 2023-12-13 Charuka Chandrasekara, Ishara Rajapaksha, Samantha Dissanayake, Harsha Kadupitiya, Dinaratne Sirisena, Rohana Chandrajith, Klaus Dittert, Lalith Suriyagoda
Iron (Fe) is an essential mineral element of plants. However, the current status of bioavailable Fe in lowland paddy fields in Sri Lanka is not known. This study was conducted to examine the (i) spatial distribution of bioavailable Fe concentration, and (ii) interactive effects of agro-climatic zone (ACZ), soil order, and water source in determining the bioavailable Fe concentration in lowland paddy