Article
Environmental Sciences
Terry Bidleman, Kathleen Agosta, Agneta Andersson, Sonia Brugel, Lars Ericson, Katarina Hansson, Olle Nygren, Mats Tysklind
Summary: This article investigates the generation and distribution of halogenated natural products (HNPs), specifically halomethoxybenzenes (HMBs), in the ocean and on land. The study finds that HMBs are present in air, precipitation, rivers, forest fungi, and litter. HMBs volatilize and circulate through the atmosphere, precipitation, and rivers, and their production and biogeochemical cycles are influenced by climate change. The study suggests that BAs and DAME are potential indicators for partitioning and exchange processes.
FRONTIERS IN MARINE SCIENCE
(2023)
Article
Engineering, Environmental
Baolin Wang, Haiyan Hu, Kevin Bishop, Moritz Buck, Erik Bjorn, Ulf Skyllberg, Mats B. Nilsson, Stefan Bertilsson, Andrea G. Bravo
Summary: Peatlands are important sources of methylmercury (MeHg) contamination, and microbial activity plays a crucial role in mercury geochemical cycles and MeHg formation. The composition of microbial communities in peatlands varies spatially and is significantly associated with net MeHg formation.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Meteorology & Atmospheric Sciences
Jing Qi, Zhongwei Huang, Teruya Maki, Shichang Kang, Junming Guo, Keshao Liu, Yongqin Liu
Summary: This study investigated the diversity of airborne bacteria in the southern slope of the Himalayas, the southern Tibetan Plateau and the Mongolian Plateau. The results showed that the bacterial communities were predominantly composed of Proteobacteria, Actinobacteria, Firmicutes, and Bacteroidetes, with significant differences among the collected samples mainly depending on meteorological parameters. The aerosol samples over the Tibetan Plateau exhibited the lowest diversity, suggesting that airborne bacterial community variability is determined by meteorological parameters and long-range transportation.
ATMOSPHERIC RESEARCH
(2021)
Article
Chemistry, Analytical
Ryan Hall, Devendra Pal, Parisa A. Ariya
Summary: This study demonstrates the use of a flow tube coupled with digital in-line holographic microscopy for real-time analysis of particles in water. The technique is capable of detecting and tracking contaminants and studying the interactions between particles.
ANALYTICAL CHEMISTRY
(2022)
Article
Environmental Sciences
Yin Fui Siau, Dung Quang Le, Suhaimi Suratman, Saifullah Arifin Jaaman, Kentaro Tanaka, Shirai Kotaro
Summary: Seasonal variations in total mercury concentrations and trophic transfer were assessed in the Setiu Wetlands, with higher Hg levels during the wet season being attributed to increased rainfall and water disturbance. However, low trophic magnification slopes indicated minimal ecological risk of Hg in the wetland, with [Hg] levels in fish and crabs below permitted limits for human consumption.
MARINE POLLUTION BULLETIN
(2021)
Article
Environmental Sciences
Mehta Bulbul, Sharmila Bhattacharya, Yadav Ankit, Pushpit Yadav, Ambili Anoop
Summary: This study provides baseline information on the concentration levels, distribution characteristics and pollution sources of environmental contaminants, such as phthalic acid esters and petroleum hydrocarbons in surface sediments of tropical estuaries in western Peninsular India. The results show varying spatial distributions and dominance of different contaminants in the two estuaries, possibly due to discharge sources and anthropogenic activities. The findings highlight the need for effective measures in controlling the pervasion of these contaminants.
ENVIRONMENTAL RESEARCH
(2022)
Article
Environmental Sciences
Pan Guo, Heinz Rennenberg, Hongxia Du, Tao Wang, Lan Gao, Emmanouil Flemetakis, Robert Hansch, Ming Ma, Dingyong Wang
Summary: The plant microbiota in paddy soil can influence plant health and fitness by promoting methylmercury (MeHg) production. However, the effect of rice rhizosphere assemblages on MeHg production remains unclear. This study used network analyses of microbial diversity to investigate the bacterial networks in bulk soil, rhizosphere, and roots during rice development at different Hg gradients. The results showed that Hg gradients significantly affected the niche-sharing of taxa related to MeHg/THg, while plant development had minimal effect. The complexity and connectivity of root microbial networks increased with an Hg concentration of 30 mg kg-1 in the soil.
ENVIRONMENT INTERNATIONAL
(2023)
Article
Environmental Sciences
Huanxin Zhang, Shiliang Wu, Eric M. Leibensperger
Summary: The study focuses on understanding the source-receptor relationships for mercury deposition in the context of global change using a global 3-D chemical transport model. It finds that under different emission scenarios, the relative contributions from anthropogenic emissions to total mercury deposition in different regions show significant changes, while impacts from changes in climate and land use/land cover are generally smaller in magnitudes but show stronger spatial variations.
ATMOSPHERIC ENVIRONMENT
(2021)
Review
Environmental Sciences
Maetha M. Al-Sulaiti, Lama Soubra, Mohammad A. Al-Ghouti
Summary: This study provides insights into the cycle of mercury and methylmercury in the marine environment and evaluates the global contamination problem using DPSIR analysis. Despite mitigation measures and guidelines, the current emissions and stability of mercury still pose a serious risk to human health.
CURRENT POLLUTION REPORTS
(2022)
Article
Environmental Sciences
D. van Rooyen, J. H. Erasmus, R. Gerber, M. Nachev, B. Sures, V. Wepener, N. J. Smit
Summary: Anthropogenic activities, such as fossil fuel combustion and gold mining, contribute significantly to mercury (Hg) emissions in aquatic ecosystems. South Africa, particularly its coal-fired power stations, is a major contributor to global Hg emissions. The contamination of the Phongolo River Floodplain (PRF) on the east coast of southern Africa is primarily caused by atmospheric transport of Hg emissions. Our study assessed Hg bioaccumulation, trophic positions, and biomagnification in the PRF, revealing elevated Hg concentrations in sediments, macroinvertebrates, and fish. Biomagnification was observed in the food webs, with tigerfish having the highest Hg concentration.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Environmental Sciences
Xiaodan Zhang, Lumin Sun, Xianxu Huang, Jingting Zhuang, Zhenbin Gong, Dongxing Yuan
Summary: The concentrations and isotopic compositions of mercury in the Jiulong River Estuary were investigated. The study found that there were no significant differences in mercury concentrations between dry and wet seasons in both surface water and sediment. However, large variations in Hg isotopic compositions were observed. Soil erosion was identified as the major source of mercury in surface sediment, while precipitation and natural soil were the main sources in surface water. Additionally, underground water and industrial and urban waste also contributed to mercury pollution in surface water, and atmospheric dry deposition was another source.
WATER AIR AND SOIL POLLUTION
(2022)
Article
Environmental Sciences
Helene Lunder Halvorsen, Pernilla Bohlin-Nizzetto, Sabine Eckhardt, Alexey Gusev, Ingjerd Sunde Krogseth, Claudia Moeckel, Victor Shatalov, Lovise Pedersen Skogeng, Knut Breivik
Summary: This study explores the main sources affecting PCBs and OCPs in background air across Norway using spatial and temporal trends and multiple modelling approaches. Results show low concentrations of PCBs and most of the targeted OCPs in the air, with hexachlorobenzene being an exception. Limited spatial variability and model predictions suggest that long-range atmospheric transport dominates atmospheric burdens, with some POPs being influenced by secondary emissions. The combination of observations and mechanistic modelling approaches can help identify main factors affecting atmospheric burdens of POPs and inform national monitoring and control strategies.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2021)
Article
Multidisciplinary Sciences
Laibao Liu, Philippe Ciais, Mengxi Wu, Ryan S. Padron, Pierre Friedlingstein, Jonas Schwaab, Lukas Gudmundsson, Sonia I. Seneviratne
Summary: Terrestrial ecosystems have absorbed 32% of anthropogenic CO2 emissions in the past six decades, but uncertainties in carbon-climate feedbacks make it difficult to predict future land carbon sink response. Variations in the atmospheric CO2 growth rate (CGR) are dominated by land-atmosphere carbon fluxes in the tropics, and the interannual relationship between water availability and CGR has become increasingly negative in recent decades.
Article
Geochemistry & Geophysics
Wang Zheng, Priyanka Chandan, Alexandra Steffen, Geoff Stupple, Joan De Vera, Carl P. J. Mitchell, Frank Wania, Bridget A. Bergquist
Summary: The Arctic plays a critical role in the global mercury (Hg) cycle as both a sink and emerging source of Hg. Human activities have led to significant Hg contamination in the region, highlighting the importance of understanding Hg sources and transformations for predicting global climate change and Hg emissions.
APPLIED GEOCHEMISTRY
(2021)
Review
Environmental Sciences
Yueqian Chen, Yingying Guo, Yanwei Liu, Yuping Xiang, Guangliang Liu, Qinghua Zhang, Yongguang Yin, Yong Cai, Guibin Jiang
Summary: Mercury and its organic compounds pose significant threats to the environment and human health. Microorganisms play a critical role in the methylation and demethylation of mercury in water and sediments. Bacterial whole-cell biosensors (BWCBs) offer a more accurate and cost-effective approach to assess the bioavailability of mercury compared to traditional methods. This Review provides an overview of the recent advancements in the application of BWCBs for detecting bioavailable mercury and discusses challenges, strategies, and future prospects.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Environmental Sciences
Jose E. Celis, Winfred Espejo, Janeide de A. Padilha, Karen A. Kidd, Rodrigo Goncalves, Paulo Dorneles, Douglas Oliveira, Olaf Malm, Christopher A. Celis, Gustavo Chiang
Summary: Trace metals bioaccumulate and some biomagnify in aquatic organisms, posing a threat to organisms and human consumers. This study investigated the trophodynamics of trace metals in aquatic food webs from remote coastal zones in the southern hemisphere, revealing the influence of geographic location and species on the fate of these metals.
ENVIRONMENTAL RESEARCH
(2022)
Article
Geosciences, Multidisciplinary
R. A. Washenfelder, L. Azzarello, K. Ball, S. S. Brown, Z. C. J. Decker, A. Franchin, C. D. Fredrickson, K. Hayden, C. D. Holmes, A. M. Middlebrook, B. B. Palm, R. B. Pierce, D. J. Price, J. M. Roberts, M. A. Robinson, J. A. Thornton, C. C. Womack, C. J. Young
Summary: We investigated the light absorption characteristics of brown carbon after wildfires through sampling and measurement. The results showed that the mass absorption coefficient of brown carbon varied with plume age on a certain time scale, and there were no identifiable contributions from individual chromophores with structured absorption.
GEOPHYSICAL RESEARCH LETTERS
(2022)
Article
Environmental Sciences
G. P. Bighetti, J. A. Padilha, L. S. T. Cunha, O. Malm, P. L. Mancini
Summary: Seabird feathers are important matrices for analyzing environmental contaminants. In this study on brown boobies, the concentration of total mercury (THg) was measured in different types of feathers, revealing higher levels in ventral and wing feathers compared to dorsal and tail feathers. Juvenile birds had lower concentrations of THg in all feather types compared to adults. Ventral feathers are suggested as the most suitable biomonitor for THg contamination in brown boobies, but further studies are needed for other tropical seabird species.
Article
Environmental Sciences
Holly K. Nowell, Charles Wirks, Maria Val Martin, Aaron van Donkelaar, Randall Martin, Christopher K. Uejio, Christopher D. Holmes
Summary: This study estimated the premature mortality associated with exposure to PM2.5 from sugarcane burning in South Florida, finding that PM2.5 from sugarcane fires contributes to 2.5 deaths per year across the region.
ENVIRONMENTAL HEALTH PERSPECTIVES
(2022)
Article
Meteorology & Atmospheric Sciences
Wenfu Tang, Louisa K. Emmons, Rebecca R. Buchholz, Christine Wiedinmyer, Rebecca H. Schwantes, Cenlin He, Rajesh Kumar, Gabriele G. Pfister, Helen M. Worden, Rebecca S. Hornbrook, Eric C. Apel, Simone Tilmes, Benjamin Gaubert, Sara-Eva Martinez-Alonso, Forrest Lacey, Christopher D. Holmes, Glenn S. Diskin, Ilann Bourgeois, Jeff Peischl, Thomas B. Ryerson, Johnathan W. Hair, Andrew J. Weinheimer, Denise D. Montzka, Geoffrey S. Tyndall, Teresa L. Campos
Summary: This study analyzes the effects of the diurnal cycle of fire emissions (DCFE) and plume rise on U.S. air quality using the MUSICAv0 model. The results show that including plume rise improves model agreement with observations and has a larger impact than DCFE. Furthermore, DCFE and plume rise also impact local-to-regional meteorology and chemical reaction rates.
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
(2022)
Article
Environmental Sciences
Christiane N. Monte, Ana Paula C. Rodrigues, Petrus M. A. Galvao, Gabriela C. Pontes, Olaf Malm, Julio C. Wasserman, Wilson Machado
Summary: This study evaluates the behavior of mercury and its methylmercury (MeHg) response upon sediment resuspension in two impacted areas of Guanabara Bay. The results show a statistically significant correlation between MeHg and resuspension time in the Rio de Janeiro Harbor sediments, indicating net methylation. This highlights the importance of considering concentration changes due to sediment resuspension-redeposition processes when assessing the variability of MeHg and associated toxicity risks.
ENVIRONMENTAL MONITORING AND ASSESSMENT
(2022)
Article
Geosciences, Multidisciplinary
Pablo E. Saide, Laura H. Thapa, Xinxin Ye, Demetrios Pagonis, Pedro Campuzano-Jost, Hongyu Guo, Melinda L. Schuneman, Jose-Luis Jimenez, Richard Moore, Elizabeth Wiggins, Edward Winstead, Claire Robinson, Lee Thornhill, Kevin Sanchez, Nicholas L. Wagner, Adam Ahern, Joseph M. Katich, Anne E. Perring, Joshua P. Schwarz, Ming Lyu, Christopher D. Holmes, Johnathan W. Hair, Marta A. Fenn, Taylor J. Shingler
Summary: Using measurements from the FIREX-AQ campaign, it was found that the mass extinction efficiency (MEE) of smoke can change 2-3 times between fresh smoke and one-day-old smoke. This change is not only due to aerosol size, but also to changes in the real part of the aerosol refractive index and is positively correlated with organic aerosol oxidation state and aerosol size, and negatively correlated with smoke volatility. Further studies are needed to better understand and parameterize these relationships.
GEOPHYSICAL RESEARCH LETTERS
(2022)
Article
Chemistry, Multidisciplinary
Sidhant J. Pai, Colette L. Heald, Hugh Coe, James Brooks, Mark W. Shephard, Enrico Dammers, Joshua S. Apte, Gan Luo, Fangqun Yu, Christopher D. Holmes, Chandra Venkataraman, Pankaj Sadavarte, Kushal Tibrewal
Summary: India experiences high levels of PM2.5 aerosol pollution. A model comparison with airborne measurements reveals biases in ammonium and nitrate simulations. By incorporating improvements and satellite observations, a validated simulation shows lower bias and estimates a population-weighted annual PM2.5 exposure and associated deaths.
ACS EARTH AND SPACE CHEMISTRY
(2022)
Article
Environmental Sciences
Thais de Castro Paiva, Eurizangela Pereira Dary, Inacio Abreu Pestana, Sidineia Aparecida Amadio, Olaf Malm, Daniele Kasper
Summary: This study finds that the bioaccumulation of mercury in fishes from an Amazonian lake is influenced by biological characteristics and environmental changes. Feeding habits and seasonal flood-pulse have a significant impact on mercury concentrations in fish muscles.
ENVIRONMENTAL RESEARCH
(2022)
Article
Meteorology & Atmospheric Sciences
Carsten Warneke, Joshua P. Schwarz, Jack Dibb, Olga Kalashnikova, Gregory Frost, Jassim Al-Saad, Steven S. Brown, Wm Alan Brewer, Amber Soja, Felix C. Seidel, Rebecca A. Washenfelder, Elizabeth B. Wiggins, Richard H. Moore, Bruce E. Anderson, Carolyn Jordan, Tara Yacovitch, Scott C. Herndon, Shang Liu, Toshihiro Kuwayama, Daniel Jaffe, Nancy Johnston, Vanessa Selimovic, Robert Yokelson, David M. Giles, Brent N. Holben, Philippe Goloub, Ioana Popovici, Michael Trainer, Aditya Kumar, R. Bradley Pierce, David Fahey, James Roberts, Emily M. Gargulinski, David A. Peterson, Xinxin Ye, Laura H. Thapa, Pablo E. Saide, Charles H. Fite, Christopher D. Holmes, Siyuan Wang, Matthew M. Coggon, Zachary C. J. Decker, Chelsea E. Stockwell, Lu Xu, Georgios Gkatzelis, Kenneth Aikin, Barry Lefer, Jackson Kaspari, Debora Griffin, Linghan Zeng, Rodney Weber, Meredith Hastings, Jiajue Chai, Glenn M. Wolfe, Thomas F. Hanisco, Jin Liao, Pedro Campuzano Jost, Hongyu Guo, Jose L. Jimenez, James Crawford
Summary: The NOAA/NASA Fire Influence on Regional to Global Environments and Air Quality (FIREX-AQ) experiment aimed to study the impact of fires on regional and global environments and air quality. The experiment measured trace gas and aerosol emissions, observed fire dynamics, assessed fire modeling, and examined connections to ground and satellite observables. The experiment involved aircraft, satellites, mobile laboratories, and ground sites.
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
(2023)
Letter
Environmental Sciences
Christopher D. Holmes, Holly K. Nowell
ENVIRONMENTAL HEALTH PERSPECTIVES
(2023)
Article
Meteorology & Atmospheric Sciences
K. A. Graham, C. D. Holmes, G. Friedrich, C. D. Rauschenberg, C. R. Williams, J. W. Bottenheim, F. P. Chavez, J. W. Halfacre, D. K. Perovich, P. B. Shepson, W. R. Simpson, P. A. Matrai
Summary: As the Arctic climate warms, understanding variability and change in the Arctic carbon cycle is crucial. This study analyzed atmospheric CO2 measurements in the Arctic from on-ice measurements and coastal observatories. The results showed differences in seasonal amplitudes between on-ice and coastal measurements and contradicted expectations of CO2 increases during winter. A model simulation explained most of the CO2 variability over the Arctic Ocean, with terrestrial biosphere fluxes and synoptic transport playing a major role. Coastal sites had similar interannual variability, but sea ice observations were distinct and not reproduced by the model, suggesting air-sea CO2 exchange as an important driver.
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
(2023)
Article
Geosciences, Multidisciplinary
Joey C. Y. Lam, Amos P. K. Tai, Jason A. Ducker, Christopher D. Holmes
Summary: Ground-level ozone (O-3) is a major air pollutant that affects human health and ecosystem productivity. Plant stomatal uptake of O-3 can cause damage to plant tissues and impact ecosystem and crop health. A new ecophysiology module was developed to simulate land-atmosphere exchange of gas species in a chemical transport model, allowing for dynamic responses to atmospheric changes.
GEOSCIENTIFIC MODEL DEVELOPMENT
(2023)
Article
Environmental Sciences
William F. Swanson, Chris D. Holmes, William R. Simpson, Kaitlyn Confer, Louis Marelle, Jennie L. Thomas, Lyatt Jaegle, Becky Alexander, Shuting Zhai, Qianjie Chen, Xuan Wang, Tomas Sherwen
Summary: Reactive halogens, emitted from snowpack and reactions on wind-blown snow-sourced aerosols, play an important role in the atmospheric chemistry of the Arctic during springtime. In this study, Arctic reactive bromine chemistry was simulated using the atmospheric chemical transport model GEOS-Chem, with two mechanisms included: blowing snow sea salt aerosol formation and snowpack bromine production. The simulations were compared to observations of bromine monoxide (BrO) concentrations, and it was found that both mechanisms are active during the Arctic spring, with the snowpack source having a greater impact on BrO mixing ratios.
ATMOSPHERIC CHEMISTRY AND PHYSICS
(2022)
Article
Meteorology & Atmospheric Sciences
Ilann Bourgeois, Jeff Peischl, J. Andrew Neuman, Steven S. Brown, Hannah M. Allen, Pedro Campuzano-Jost, Matthew M. Coggon, Joshua P. DiGangi, Glenn S. Diskin, Jessica B. Gilman, Georgios Gkatzelis, Hongyu Guo, Hannah A. Halliday, Thomas F. Hanisco, Christopher D. Holmes, L. Gregory Huey, Jose L. Jimenez, Aaron D. Lamplugh, Young Ro Lee, Jakob Lindaas, Richard H. Moore, Benjamin A. Nault, John B. Nowak, Demetrios Pagonis, Pamela S. Rickly, Michael A. Robinson, Andrew W. Rollins, Vanessa Selimovic, Jason M. St Clair, David Tanner, Krystal T. Vasquez, Patrick R. Veres, Carsten Warneke, Paul O. Wennberg, Rebecca A. Washenfelder, Elizabeth B. Wiggins, Caroline C. Womack, Lu Xu, Kyle J. Zarzana, Thomas B. Ryerson
Summary: This article presents a comparison of fast-response instruments installed on the NASA DC-8 aircraft for the measurement of nitrogen oxides, nitrous acid, total reactive odd nitrogen, and carbon monoxide in the atmosphere. The study highlights the differences between different instruments and discusses the issue of unmeasured species in smoke.
ATMOSPHERIC MEASUREMENT TECHNIQUES
(2022)
Article
Environmental Sciences
Muqiu Hu, Xin Zhao, Jinghan Gu, Lulu Qian, Zhiqing Wang, Yuanyuan Nie, Xiaoyu Han, Long An, Haiqiang Jiang
Summary: Due to its simple process, environmental friendliness, and low operating costs, biometallurgy has become a popular technology for metals recovering from low-grade ores and tailings. An optimized agar was used to isolate and grow functional bacteria, resulting in the successful isolation of six functional stains. These strains were further tested for their ability to leach metals from polymetallic sulfide tailings, with significant improvements observed when the strains were mixed together. The selection of leaching process should be based on tailings composition and target metals.
ENVIRONMENTAL RESEARCH
(2024)
Review
Environmental Sciences
Saqib Hassan, Aswin Thacharodi, Anshu Priya, R. Meenatchi, Thanushree A. Hegde, R. Thangamani, Ht Nguyen, Arivalagan Pugazhendhi
Summary: An Endocrine Disrupting Chemical (EDC) is a compound that disrupts the function of the endocrine system and is found in the environment. EDCs, such as Bisphenol A and pesticides, have been shown to have negative effects on the female reproductive system. Understanding the relationship between EDCs and women's health is crucial for developing strategies to protect reproductive health and informing public policy decisions.
ENVIRONMENTAL RESEARCH
(2024)
Article
Environmental Sciences
Lichang Zhou, Zhaoling Li, Boyi Cheng, Jinqi Jiang, Xinqi Bi, Zongping Wang, Guanghao Chen, Gang Guo
Summary: Thiosulfate can promote sulfur-mediated bacterial activity, inhibit glycogen accumulating organisms, and enhance denitrification efficiency. After the carbon source is reduced, the competitive ability of glycogen accumulating organisms increases, resulting in reduced sulfate reduction.
ENVIRONMENTAL RESEARCH
(2024)
Article
Environmental Sciences
Claire E. Campbell, Devyn L. Cotter, Katherine L. Bottenhorn, Elisabeth Burnor, Hedyeh Ahmadi, W. James Gauderman, Carlos Cardenas-Iniguez, Daniel Hackman, Rob McConnell, Kiros Berhane, Joel Schwartz, Jiu-Chiuan Chen, Megan M. Herting
Summary: Recent studies have found a connection between air pollution and increased risk for behavioral problems during development. However, more longitudinal studies are needed to investigate how exposure during the transition to adolescence may affect emotional behaviors.
ENVIRONMENTAL RESEARCH
(2024)
Article
Environmental Sciences
Jing-hong Liang, Ru-yu Yang, Mei-ling Liu, Ying-qi Pu, Wen-wen Bao, Yu Zhao, Li-xin Hu, Yu-shan Zhang, Shan Huang, Nan Jiang, Xue-ya Pu, Shao-yi Huang, Guang-hui Dong, Ya-jun Chen
Summary: This study examines the association between urban Green and blue spaces (GBS) exposure and Emotion and behavior problems (EBP) in youth populations. The findings suggest that higher exposure to GBS, particularly green spaces (GS) and blue spaces (BS), is associated with a decrease in the risk of developing total difficulties in young individuals. The joint effect of GS and BS may also contribute to the decrease in EBPs.
ENVIRONMENTAL RESEARCH
(2024)
Article
Environmental Sciences
Diego Ruiz-Sobremazas, Mario Ruiz Coca, Miguel Morales-Navas, Rocio Rodulfo-Cardenas, Caridad Lopez-Granero, Maria Teresa Colomina, Cristian Perez-Fernandez, Fernando Sanchez-Santed
Summary: Air pollution is associated with a range of health issues and gestational exposure to environmental pollutants may be linked to neurodevelopmental disorders. This study investigated the effects of oral gestational exposure to particulate matter (PM) on ultrasonic vocalizations (USV). The findings suggest that this exposure may lead to social deficits and abnormal gene expression related to neurotransmitter systems. Further research is needed to better understand the effects of air pollution on neurodevelopmental disorders and the neurotransmission systems involved.
ENVIRONMENTAL RESEARCH
(2024)
Article
Environmental Sciences
Yagmur Kabakci, Sadiye Kosar, Ozgur Dogan, Fehmi Gorkem Uctug, Osman Atilla Arikan
Summary: This study investigated the effect of electrohydrolysis pretreatment on municipal solid waste. The results showed that applying electrohydrolysis pretreatment increased methane production and reduced the time required for hydrolysis, suggesting it is a promising method to improve anaerobic digestion efficiency.
ENVIRONMENTAL RESEARCH
(2024)
Article
Environmental Sciences
Chuanwu Zhao, Yaozhong Pan, Hanyi Wu, Yu Zhu
Summary: This study analyzed the impact of industrial zones on urban heat islands using remote sensing images and a novel spectral index. The research found that the contraction or expansion of industrial zones has a significant effect on land surface temperature. The results are valuable for environmental assessment and fine management of industrial cities.
ENVIRONMENTAL RESEARCH
(2024)
Article
Environmental Sciences
Bang Du, Zhongzhong Wang, Piet N. L. Lens, Xinmin Zhan, Guangxue Wu
Summary: This study investigated the performance, syntrophic relationships, microbial communities, and metabolic pathways of ethanol-fed reactors with different operational modes and solids retention times. The results showed that different microorganisms were enriched under different SRT conditions, and syntrophic bacteria related to methane production could be enriched under low SRT conditions.
ENVIRONMENTAL RESEARCH
(2024)
Article
Environmental Sciences
Gokulan Ravindiran, Sivarethinamohan Rajamanickam, Muralikrishnan Ramalingam, Gasim Hayder, Balamurugan Karupaiya Sathaiah, Madhava Krishna Reddy Gaddam, Senthil Kumar Muniasamy, Priya Arunkumar
Summary: The present study investigated the sustainable approach for wastewater treatment using waste algal blooms. The biochar produced by the marine algae Ulva reticulata was used to remove chromium, nickel, and zinc from aqueous solutions. The study examined the adsorbents' properties and stability using SEM/EDX, FTIR, and XRD. The results showed that the biochar had high removal efficiency for the toxic metals, and the packed bed column effectively removed the heavy metal ions. The Thomas and Adams-Bohart models were found to best fit the regression values, and desorption studies were conducted to understand the sorption and elution processes.
ENVIRONMENTAL RESEARCH
(2024)
Review
Environmental Sciences
Vignesh Vinayagam, Kavitha Nagarasampatti Palani, Sudha Ganesh, Siddharth Rajesh, Vedha Varshini Akula, Ramapriyan Avoodaiappan, Omkar Singh Kushwaha, Arivalagan Pugazhendhi
Summary: The presence of pollutants in water contributes to global pollution and poses significant threats to humans and wildlife. Finding effective wastewater treatment techniques is crucial for reducing pollutant accumulation in the environment. This paper highlights recent advances in the electrochemical advanced oxidation method and other processes for treating pharmaceuticals, dyes, and pesticide-polluted effluents.
ENVIRONMENTAL RESEARCH
(2024)
Article
Environmental Sciences
M. M. M. Ahmed, Kai-Yue Chen, Fang-Yu Tsao, Yi-Cheng Hsieh, Yu-Ting Liu, Min Tzou
Summary: This study investigated the sorption of citric acid onto humic acid-iron hydr(o)xide coprecipitate (HAFHCP) and the reciprocal effects of citric acid and P sorption on HAFHCP. The results showed that citric acid could increase P availability and have an impact on P sorption.
ENVIRONMENTAL RESEARCH
(2024)
Article
Environmental Sciences
Xibo Xu, Zeqiang Wang, Xiaoning Song, Wenjie Zhan, Shuting Yang
Summary: The selection of predictor variables is crucial in building a digital mapping model for potentially toxic elements (PTEs) in soil. Traditionally, spatial and spectral parameters have been used as predictor variables, but the temporal dimension is often overlooked. This study demonstrates the value of incorporating temporal indices in the model, leading to significant performance improvements. The temporal-spatial-spectral covariate combinations used in a random forest (RF) algorithm achieve satisfactory mapping accuracy and outperform other methods.
ENVIRONMENTAL RESEARCH
(2024)
Article
Environmental Sciences
Yan Pei, Xun Liu, Mengbo Cao, Zijun Wang, Hongbing Yang
Summary: Heteroatom doping can reconfigure the electronic structure of heterogeneous catalysts, leading to the development of advanced oxidation water purification materials with superior performance and stability. In this study, a series of catalysts with different elemental doping were prepared using a simple and environmentally friendly method. The S-doped NiCo2O4 catalyst showed excellent catalytic performance for the removal of Tetracycline, with significantly increased kinetic constant and high oxidation and mineralization efficiency in a wide pH range. The degradation process was dominated by non-radical oxidation pathway after S doping, and the overall process moved towards low toxicity.
ENVIRONMENTAL RESEARCH
(2024)
Article
Environmental Sciences
Srivalli Thimmarayan, Harshavardhan Mohan, Gaddapara Manasa, Karthi Natesan, Shanmugam Mahendran, Pavithra Muthukumar Sathya, Byung-Taek Oh, R. Ravi Kumar, Rangasamy Sigamani Gandhimathi, Arul Jayaprakash, Kamala-Kannan Seralathan
Summary: This study investigated the bacterial degradation of naphthalene (NPT) isolated from crude oil-contaminated soil. Bacillus sp. GN 3.4, a potential bacteria for NPT biodegradation, was isolated and the optimal conditions for NPT degradation were determined. The study suggests that Bacillus sp. GN 3.4 could potentially aid in bioremediation by eliminating NPT from the soil.
ENVIRONMENTAL RESEARCH
(2024)