Article
Environmental Sciences
Zhaohui Feng, Rong Zhang, Xiaojie Liu, Qin Peng, Lingqing Wang
Summary: Phosphorus and nitrogen pollution from agricultural nonpoint sources heavily burden the water environment, and a scientific calculating system is needed to calculate the pollutant loads under the water pollution treatment. This study established a system to calculate the coefficients of agricultural nonpoint source pollutants into water bodies in the subregion in Poyang Lake basin in the middle reach of the Yangtze River combining with multiple driving factors. Validation results showed that the errors of the typical unit were 30.58% for total phosphorus (TP), 13.43% for total nitrogen (TN) and 33.93% for ammonia nitrogen (NH3-N), respectively. The errors of the subregion were 26.92% for TP, 31.83% for TN and 29.15% for NH3-N, respectively. Besides, there were higher TP and TN loads in the east area of subregion in both units and county scales, which indicated the heavy phosphorus and nitrogen burden on water environment. In contrast, higher NH3-N loads occurred in the north area of subregion. The establishment of coefficient system for agricultural pollutants into water bodies and the pollutant loads calculation would provide enlightenment for water pollution treatment and agricultural nonpoint source pollution controlling.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2023)
Article
Environmental Sciences
Sergio Zubelzu, Raul Sanchez-Calvo, Daniel Segovia Cardozo, Freddy Canales Ide, Leonor Rodriguez-Sinobas
Summary: This paper introduces a comprehensive and practical method for Sustainable Agricultural Drainage Systems (SADS) design, which focuses on using surface runoff as irrigation source and has been applied to an irrigation district in Spain. The results indicate that optimum SADS facilities can reduce external water provision for irrigation while maintaining groundwater recharge and natural discharge, improving the water cycle in rural environments with productive agriculture.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Environmental Sciences
Noora Manninen, Sanna Kanerva, Riitta Lemola, Eila Turtola, Helena Soinne
Summary: This study aims to quantify the impact of water erosion on the loss of total organic carbon (OC) and nitrogen (N) in boreal mineral soils under different cultivation practices. The results show that sediment OC and N exports are related to soil plowing and discharge intensity, while dissolved OC loss is promoted by high surface soil OC%. These findings are important for complementing carbon budget estimations and assessing soil management effects on surface water quality.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Green & Sustainable Science & Technology
Shan Zhang, Guanhui Cheng, Qian Tan, Hang Zhao, Tong Zhang
Summary: In this study, field monitoring and data analysis were conducted to identify key factors affecting total nitrogen (TN) loads from nonpoint source (NPS) pollution in a semiarid agricultural watershed in China. An improved export coefficient model (ECM) was developed to simulate seasonal variations of TN loads. The results showed that farmland was the dominant source of TN pollution, accounting for 49% of annual TN loads. Increasing water use efficiency and optimizing irrigation schemes and land use types can effectively reduce TN loads in semiarid agricultural regions.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Agronomy
Hossam Moursi, Mohamed A. Youssef, Chad A. Poole, Celso F. Castro-Bolinaga, George M. Chescheir, Robert J. Richardson
Summary: An experimental study in eastern North Carolina, U.S.A showed that drainage water recycling (DWR) can effectively reduce nitrogen, phosphorus, and sediment losses from agricultural fields to downstream surface water bodies. The study demonstrated the potential of DWR for significantly reducing water pollution from agricultural activities.
AGRICULTURAL WATER MANAGEMENT
(2023)
Article
Engineering, Civil
Wenlong Liu, Shiying Tian, Mohamed A. Youssef, Francois P. Birgand, George M. Chescheir
Summary: This study analyzed the leaching mechanisms of nitrate in an artificially drained agricultural watershed in the Midwestern U.S. using a long-term high-frequency dataset. The results showed that most events exhibited anti-clockwise behavior, indicating slower transportation of water with high nitrate concentrations to the stream network. The study also revealed the preponderant role of the near-drain zone in accelerated leaching and less accumulation of nitrate in the soil profile. There was strong but opposite seasonality in terms of flushing and dilution patterns.
JOURNAL OF HYDROLOGY
(2022)
Article
Environmental Sciences
Min Zong, Yuanman Hu, Miao Liu, Chunlin Li, Cong Wang, Jianxin Liu
Summary: This study proposes an integrated approach for estimating agricultural and urban non-point source pollution in urban agglomeration watersheds by coupling different models. The results revealed significant discrepancies in total nitrogen and total phosphorus values between the EMC method and the SWAT model in the built-up area, indicating a severe underestimation of nutrient yield by SWAT. The integrated method could provide guidance for water environment management plans considering both agricultural and urban NPS pollution in urban catchments.
Review
Chemistry, Multidisciplinary
Li He, Zhongwen Ou, Jiangyang Fan, Boping Zeng, Wei Guan
Summary: This article focuses on the sources and influence characteristics of microplastic pollution in surface water bodies, with a particular emphasis on the importance and urgency of studying agricultural non-point sources of microplastic pollution. It aims to provide effective scientific basis and technical support for the control of microplastic non-point source pollution in river basins.
FRONTIERS IN CHEMISTRY
(2022)
Article
Environmental Sciences
Tomasz Stanczyk, Wieslawa Kasperska-Wolowicz, Jan Szatylowicz, Tomasz Gnatowski, Ewa Papierowska
Summary: The study aims to assess the accuracy of determining surface soil moisture (SSM) using Sentinel-2 data compared to standard measurement techniques. The results show that the use of the optical trapezoid model (OPTRAM) yields high SSM estimation accuracy, and incorporating soil porosity in the OPTRAM model significantly improves the results.
Article
Environmental Sciences
Donald M. Waller, Andrew G. Meyer, Zach Raff, Steven I. Apfelbaum
Summary: The study demonstrates that agricultural practices and extreme precipitation events significantly impact total phosphorus concentrations and loads in the Sugar River, especially after CAFO expansions. Total P concentrations increase with stream discharge and proximity to dairy operations, peaking in early spring to mid-summer.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2021)
Article
Green & Sustainable Science & Technology
Jiyeon Choi, Baekyung Park, Jinsun Kim, Soyoung Lee, Jichul Ryu, Kyunghyun Kim, Yongseok Kim
Summary: This study estimated pollutant unit loads for different land uses and pollutants based on long-term runoff characteristics and recent environmental changes. Different land uses have different impacts on pollutants, which can be used for managing NPS pollutants and watershed environments.
Article
Environmental Sciences
Tomas Kvitek, Antonin Zajicek, Tomas Dostal, Petr Fucik, Josef Krasa, Miroslav Bauer, Barbora Jachymova, Zbynek Kulhavy, Martin Pavel
Summary: A new approach for the assessment of water pollution sources caused by agricultural crop production in Czechia is described in this paper. The critical points method is used to identify the origin of contamination and the source areas. By prioritizing the most endangered areas and designing appropriate control measures, it is possible to mitigate surface and drainage water runoff and reduce associated pollution. The methodology was applied and validated in the Vltava River basin and will be used in river basin management plans.
Article
Environmental Sciences
Urs T. Schoenenberger, Birgit Beck, Anne Dax, Bernadette Vogler, Christian Stamm
Summary: This study validates the impact of agricultural storm drainage inlets on surface runoff and pesticide transport through field measurements. The results show that these inlets can significantly increase pesticide concentrations in surface waters and transport substantial pesticide loads into streams.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Green & Sustainable Science & Technology
Linhan Yang, Jianzhu Li, Keke Zhou, Ping Feng, Lixin Dong
Summary: This study monitored five rainfall events to clarify the characteristics of land surface pollution and pollution variation in urban rivers. The simulated results showed that with an increase in return period, the volume of runoff increased while the concentration of pollutants decreased, mainly due to dilution effects and reduced residence time of pollutants in rivers.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Environmental Sciences
Wenjun Jiang, Weichen Huang, Hao Liang, Yali Wu, Xinrui Shi, Jin Fu, Qihui Wang, Kelin Hu, Lei Chen, Hongbin Liu, Feng Zhou
Summary: The study demonstrates that rice fields can act as both nitrogen sources and sinks under different climatic conditions. By improving management technologies, rice fields can be transformed into nitrogen sinks for the atmosphere while reducing nitrogen emissions to water bodies, without affecting rice yield and soil fertility.
ENVIRONMENTAL POLLUTION
(2021)
Article
Agronomy
Xueying Liang, Pichu Rengasamy, Ronald Smernik, Luke M. Mosley
Summary: This research investigates the long-term effects of irrigating treated winery wastewater on soil structural stability, where high proportions of K+ can lead to soil dispersion and low hydraulic conductivity. Field results show accumulation of K+ and decline in Mg2+ in subsoils. Further studies are needed to explore the impact and potential solutions, such as using Ca or Mg based amendments to reduce dispersion risks.
AGRICULTURAL WATER MANAGEMENT
(2021)
Article
Geochemistry & Geophysics
Beth Hoagland, Luke Mosley, Tess Russo, Jason Kirby, Cecilia Cullen, Matthew S. Fantle, Mark Raven, Joshua Fisher
Summary: Arsenic release related to gold mining activity can alter surface water and sediment chemistry, with the toxicity of arsenic controlled by various geochemical conditions. Continued lime treatment is crucial to reduce arsenic mobility in mine wastes following mine closure, particularly for sites where wastes are released directly into watersheds without containment infrastructure.
APPLIED GEOCHEMISTRY
(2021)
Article
Geochemistry & Geophysics
Yuexiao Shao, Juraj Farkas, Luke Mosley, Jonathan Tyler, Henri Wong, Briony Chamberlayne, Mark Raven, Moneesha Samanta, Chris Holmden, Bronwyn M. Gillanders, Ana Kolevica, Anton Eisenhauer
Summary: The study investigated the sensitivity of stable Sr isotope tracer to carbonate saturation and salinity in the CLLMM estuary in South Australia, showing a correlation between them that reflects the control of carbonate dissolution/precipitation processes on Sr isotope composition. The coupled Sr isotope approach can be used to constrain water sources and coastal carbonate cycling processes.
GEOCHIMICA ET COSMOCHIMICA ACTA
(2021)
Article
Soil Science
Sonia Mayakaduwage, Luke M. Mosley, Petra Marschner
Summary: Phosphorus availability in acid soils is influenced by interactions between P and Fe-oxides modulated by soil water content. The effect of adding inorganic P or manure on P pools in acid sulfate soil under varying water content is not well known.
Article
Geosciences, Multidisciplinary
Rich W. McDowell, Alasdair Noble, Peter Pletnyakov, Luke M. Mosley
Summary: Human activities have increased nitrogen and phosphorus input into riverine systems, which can lead to algal growth and degrade aquatic ecosystems. A global database was constructed to assess these inputs and inform policies to reduce nutrient losses from land to freshwater and improve nutrient use efficiency on farms. This database can also help calibrate global models exploring nutrient management efficiency in a changing climate.
GEOSCIENCE DATA JOURNAL
(2021)
Article
Geochemistry & Geophysics
A. M. Trueman, R. W. Fitzpatrick, L. M. Mosley, M. J. McLaughlin
Summary: The study explored the possibility of passivation-based treatments to transform jarosite-rich materials into relatively benign minerals. Under alkaline conditions, jarosite decomposed to poorly-crystalline ferric (oxyhydr)oxides which then reacted with phosphoric acid to form ferric phosphate. However, these treatments did not significantly reduce the risks posed by jarosite dissolution to soil and water quality.
Article
Soil Science
N. Jayalath, Rob Fitzpatrick, Luke M. Mosley, Petra Marschner
Summary: Acid sulfate soils undergo biogeochemical changes during submerged and moist periods, with organic matter amendments helping to stabilize soil pH, the effect of which varies depending on soil clay content.
Article
Plant Sciences
Sonia Mayakaduwage, Luke M. Mosley, Petra Marschner
Summary: The study found that in acid sulfate soils, raising pH to 5.5 and adding organic matter can enhance phosphorus availability by releasing bound phosphorus and increasing soil phosphorus release. The addition of mangrove roots also increases phosphate sorption, providing more binding sites for P in cell walls.
JOURNAL OF SOIL SCIENCE AND PLANT NUTRITION
(2021)
Article
Agriculture, Multidisciplinary
Bethany Sleep, Sean Mason, Les Janik, Luke Mosley
Summary: Soil acidification is a major concern globally, and portable visible near infrared reflectance spectroscopy can be used to rapidly, precisely, and cost-effectively quantify key soil parameters to inform lime requirements. The technique demonstrated moderate predictive capabilities for determining pH and liming requirements at high spatial resolution, allowing for site-specific management of soil resources and potentially increasing long-term agronomic benefits. Further research on spectral library development, calibration, and in-field sampling methods is recommended.
PRECISION AGRICULTURE
(2022)
Article
Geochemistry & Geophysics
Luke M. Mosley, Tan Dang, Michael J. McLaughlin, Rob W. Fitzpatrick
Summary: The study examined the impact of drought on acid sulfate soils, finding that residual pyrite oxidation during drought lowered soil pH and mobilized dissolved metals in soils with high concentrations of pyrite. The lack of pH recovery during the rewetting phase may be due to barriers to microbial reduction reactions, while iron-oxidizing bacteria remained active.
APPLIED GEOCHEMISTRY
(2022)
Review
Environmental Sciences
Peter M. Kopittke, Asmeret Asefaw Berhe, Yolima Carrillo, Timothy R. Cavagnaro, Deli Chen, Qing-Lin Chen, Mercedes Roman Dobarco, Feike A. Dijkstra, Damien J. Field, Michael J. Grundy, Ji-Zheng He, Frances C. Hoyle, Ingrid Kogel-Knabner, Shu Kee Lam, Petra Marschner, Cristina Martinez, Alex B. McBratney, Eve McDonald-Madden, Neal W. Menzies, Luke M. Mosley, Carsten W. Mueller, Daniel V. Murphy, Uffe N. Nielsen, Anthony G. O'Donnell, Elise Pendall, Jennifer Pett-Ridge, Cornelia Rumpel, Iain M. Young, Budiman Minasny
Summary: Healthy soils play a crucial role in planetary survivability, providing not only calories but also other essential functions. However, intensive agriculture is rapidly degrading soils and diminishing their capacity to deliver vital functions, highlighting the need to focus on the multiple functions of soils for long-term human welfare and the survivability of the planet.
CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY
(2022)
Article
Environmental Sciences
Orlando Lam-Gordillo, Luke M. Mosley, Stuart L. Simpson, David T. Welsh, Sabine Dittmann
Summary: The study found significant differences in benthic communities and functional traits across different sites, with higher abundance and more traits expressed in the estuarine region. The differences in benthic traits were correlated with sediment biogeochemistry and nutrient concentrations.
MARINE POLLUTION BULLETIN
(2022)
Correction
Agronomy
Xihe Zhang, Ronald Smernik, Ashlea Doolette, Samantha Walters, Luke M. Mosley
Article
Agronomy
Xihe Zhang, Ronald Smernik, Ashlea Doolette, Samantha Walters, Luke M. Mosley
Summary: This study aimed to investigate the phosphorus speciation and release in litter from different plant communities on the Pike floodplain of Australia's River Murray. Results showed that grassland litter had the highest total P and orthophosphate concentrations, while river red gum litter had moderate total P primarily composed of orthophosphate.
Article
Soil Science
Ruby Hume, Petra Marschner, Rhiannon K. Schilling, Sean Mason, Luke M. Mosley
Summary: Globally, soil acidity poses a threat to crop production, and the use of mid infrared (MIR) spectroscopy for the detection of calcium carbonate (CaCO3) in soils has potential in agricultural contexts. This study aimed to develop MIR spectroscopy methods for the detection of low concentrations of CaCO3 in soils. The findings showed that MIR spectroscopy can accurately predict carbonate concentrations and has similar detection limits as traditional methods.