Article
Environmental Sciences
H. Justin Mohler, Arthur S. S. Rood, Helen A. A. Grogan, Emily A. A. Caffrey, John E. E. Till
Summary: This study demonstrates the use of environmental measurement data to quantify the spatial impact and behavior of uranium released from a manufacturing facility in Apollo, PA. Historical monitoring data and reconstructed estimates of facility releases were utilized to estimate environmental concentrations and potential exposures. Findings suggest that the released material contained larger particles that deposited close to the facility, with limited downward mobility in the soil. Measurable impacts were determined to extend a relatively short distance from the facility.
Article
Environmental Sciences
H. Justin Mohler, Arthur S. Rood, Helen A. Grogan, Emily A. Caffrey, John E. Till
Summary: This study uses historical environmental measurement data to assess the impact of uranium released from a manufacturing facility in Apollo, PA. The research shows that the released uranium remains largely near the surface layers of soil, with measurable impacts extending a relatively short distance from the facility. Similar behavior was observed at another site where uranium was released to the environment.
Article
Engineering, Chemical
A. D. Pant, R. Ruhela, C. Limje, M. Vartak, A. K. Yadav, Anil S. Kumar, A. K. Singh, S. N. Jha, D. Bhattacharya, V Kain, B. S. Tomar
Summary: The novel methyl triphenyl phosphonium nitrate (MTPN) polymeric resin offers promising potential for the selective separation of Tc from aqueous streams due to its easily scalable synthesis route. Its fast sorption kinetics, high distribution ratio, and excellent selectivity for Tc make it highly advantageous for Tc separation and recovery. Various analytical techniques were used to decipher the interactions responsible for its excellent uptake and high selectivity for Tc.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2021)
Article
Engineering, Civil
Yuanzhi Cheng, Xiangyun Hu, Yanlong Kong, Yanhui Dong, Junfeng Guo, Liheng Wang, Jiyang Wang
Summary: Acid in-situ uranium leach mining is an effective technique for uranium extraction, but it leads to high concentrations of acidic contaminants in aquifers. This study used CSAMT to investigate a uranium mining area in northwest China and successfully identified the scale and position of acid contaminant plumes. The study also showed that low-permeability sandstone restricts the migration of contaminants.
JOURNAL OF HYDROLOGY
(2022)
Review
Environmental Sciences
Maria Dulsat-Masvidal, Rui Lourenco, Silvia Lacorte, Marcello D'Amico, Tamer Albayrak, Jovan Andevski, Arianna Aradis, Emanuel Baltag, Oded Berger-Tal, Philippe Berny, Yael Choresh, Guy Duke, Silvia Espin, Antonio J. Garcia-Fernandez, Pilar Gomez-Ramirez, Gunnar T. Hallgrimsson, Veerle Jaspers, Ulf Johansson, Andras Kovacs, Oliver Krone, Madis Leivits, Emma Martinez-Lopez, Rafael Mateo, Paola Movalli, Pablo Sanchez-Virosta, Richard F. Shore, Jari Valkama, Al Vrezec, Stavros Xirouchakis, Lee A. Walker, Chris Wernham
Summary: The study aims to comprehensively review constraints on gathering raptor samples and contextual data in the field, and propose solutions based on input obtained from scientific workshops and stakeholder questionnaires. The most important constraints identified were related to the collection of complex contextual data and the lack of existing raptor population monitoring schemes and ecological studies.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Geochemistry & Geophysics
Raymond H. Johnson, Aaron D. Tigar, C. Doc Richardson
Summary: The long-term release of uranium from residual sources at former uranium mill sites was often not considered in prior conceptual and numerical models. This study conducted column tests with different influent waters to determine the reactive transport parameters and mechanisms of uranium release. The results showed that different fluid media had varying impacts on uranium release.
Article
Engineering, Environmental
Timothy G. Holloway, John B. Williams, Djamila Ouelhadj, Gong Yang
Summary: Water resource recovery facilities face increasing dynamic stressors, and this study proposes a new method using actual data to evaluate the dynamic resilience of a WRRF. The possibility of visualizing process stresses and resilience is demonstrated.
Article
Ecology
Veronika Leitold, Douglas C. Morton, Sebastian Martinuzzi, Ian Paynter, Maria Uriarte, Michael Keller, Antonio Ferraz, Bruce D. Cook, Lawrence A. Corp, Grizelle Gonzalez
Summary: Using airborne Lidar data, this study analyzed the impact of Hurricane Maria on the forest structure in Puerto Rico, revealing widespread and complex damages caused by the hurricane. Forests at different elevations suffered varying degrees of loss, showing heterogeneous patterns of height recovery post-storm.
Article
Environmental Sciences
Zhenzhong Liu, Chunguang Li, Kaixuan Tan, Yongmei Li, Wanyu Tan, Xiqi Li, Chong Zhang, Shuo Meng, Longcheng Liu
Summary: Acid in situ leaching (AISL) is a subsurface mining approach adopted widely in uranium mining for low-grade ores. However, it causes high concentrations of contaminants after mining ceases. This study analyzes groundwater samples to understand the migration and attenuation mechanisms of contaminants in the confined aquifer and shows that the isotope ratios of uranium and sulfur can be used to deduce their migration history and the irreversible natural attenuation process.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Geosciences, Multidisciplinary
Claire Pascal, Sylvain Ferrant, Adrien Selles, Jean-Christophe Marechal, Abhilash Paswan, Olivier Merlin
Summary: The study investigates the dynamic performance of GWS downscaling by developing a new metric for estimating the downscaling gain against non-downscaled GWS. The new validation approach is tested over a fractured granitic aquifer in southern India. The downscaling performance is evaluated by comparing the downscaled versus in situ GWS data over a total of 38 pixels at 0.5 degrees resolution.
HYDROLOGY AND EARTH SYSTEM SCIENCES
(2022)
Article
Environmental Sciences
Hawzhin Zarinmehr, A. Taheri Tizro, Alan E. Fryar, M. Khodamorad Pour, Rojin Fasihi
Summary: This study investigated the temporal changes of groundwater levels and applied various parametric time-series models to the data. The PROPHET model showed the best performance in predicting the declining trend of groundwater levels in the Lake Urmia basin.
ENVIRONMENTAL EARTH SCIENCES
(2022)
Article
Multidisciplinary Sciences
Jean-Luc Bertrand-Krajewski, Remy Bournique, Vivien Lecomte, Noemie Pernin, Laure Wiest, Christine Bazin, Agnes Bouchez, Elodie Brelot, Benoit Cournoyer, Teofana Chonova, Christophe Dagot, Pascal Di Majo, Adriana Gonzalez-Ospina, Audrey Klein, Jerome Labanowski, Yves Levi, Yves Perrodin, Sandra Rabello-Vargas, Liana Reuilly, Audrey Roch, Axel Wahl
Summary: The Bellecombe pilot site - SIPIBEL - was established in 2010 to study the characteristics, treatability, and impacts of hospital effluents in an urban wastewater treatment plant. The pilot site consists of a hospital, a wastewater treatment plant, and a receiving water body. The extensive database includes various measurements and indicators.
Article
Ornithology
Christina Chaika
Summary: The study is based on the ring recoveries of about 86,850 Great Cormorants in the Russian Federation between 1939 and 2014. It found distinct migration patterns for Cormorants in different geographic regions, with birds from different clusters observed in separate wintering areas. The study highlights the need for further research on the east-west migration patterns and the role of high mountain ridges in shaping Cormorant movements between breeding and wintering areas.