Grand Challenges in environmental geochemistry DOI Creative Commons
W. Berry Lyons

Frontiers in Geochemistry, Год журнала: 2023, Номер 1

Опубликована: Апрель 5, 2023

SPECIALTY GRAND CHALLENGE article Front. Geochem., 05 April 2023Sec. Environmental Geochemistry Volume 1 - 2023 | https://doi.org/10.3389/fgeoc.2023.1154473

Язык: Английский

A comprehensive systematic review: Impact of Land Use/ Land Cover (LULC) on Land Surface Temperatures (LST) and outdoor thermal comfort DOI
Shikha Patel, Madhavi Indraganti, Rana N. Jawarneh

и другие.

Building and Environment, Год журнала: 2023, Номер 249, С. 111130 - 111130

Опубликована: Дек. 21, 2023

Язык: Английский

Процитировано

49

Salinity and total dissolved solids measurements for natural waters: An overview and a new salinity method based on specific conductance and water type DOI Open Access
R. Blaine McCleskey, Charles A. Cravotta, Matthew P. Miller

и другие.

Applied Geochemistry, Год журнала: 2023, Номер 154, С. 105684 - 105684

Опубликована: Май 15, 2023

Язык: Английский

Процитировано

26

High NaCl Concentrations in Water Are Associated with Developmental Abnormalities and Altered Gene Expression in Zebrafish DOI Open Access

Denis A. Seli,

Andrew Prendergast, Yagmur Ergun

и другие.

International Journal of Molecular Sciences, Год журнала: 2024, Номер 25(7), С. 4104 - 4104

Опубликована: Апрель 7, 2024

Salt is frequently introduced in ecosystems, where it acts as a pollutant. This study examined how changes salinity affect the survival and development of zebrafish from two-cell to blastocyst stage larval stage. Control embryos were cultured E3 medium containing 5 mM Sodium Chloride (NaCl), 0.17 Potassium (KCL), 0.33 Calcium (CaCl2), Magnesium Sulfade (MgSO4). Experiments conducted using increasing concentrations each individual salt at 5×, 10×, 50×, 100× concentration found medium. KCL, CaCl2, MgSO4 did not result lethal abnormalities early embryo growth any tested. Concentrations 50× NaCl caused embryonic death both stages development. 5× 10× resulted uninflated swim bladders 12% 65% larvae, compared 4.2% controls, 1654 2628 genes be differentially expressed blastocysts, respectively. The ATM signaling pathway was affected, Sonic Hedgehog Shh Ptc1 implicated bladder downregulated. Our findings suggest that increased may alter gene expression cause developmental animals affected ecosystems.

Язык: Английский

Процитировано

5

Long-term trends in nitrate and chloride in streams in an exurban watershed DOI
Emma Skye Castiblanco, Peter M. Groffman, J. M. Duncan

и другие.

Urban Ecosystems, Год журнала: 2023, Номер 26(3), С. 831 - 844

Опубликована: Фев. 8, 2023

Язык: Английский

Процитировано

11

Freshwater faces a warmer and saltier future from headwaters to coasts: climate risks, saltwater intrusion, and biogeochemical chain reactions DOI Creative Commons
Sujay S. Kaushal,

Sydney A. Shelton,

Paul M. Mayer

и другие.

Biogeochemistry, Год журнала: 2025, Номер 168(2)

Опубликована: Март 10, 2025

Abstract Alongside global climate change, many freshwater ecosystems are experiencing substantial shifts in the concentrations and compositions of salt ions coming from both land sea. We synthesize a risk framework for anticipating how change increasing pollution saltwater intrusion will trigger chain reactions extending headwaters to tidal waters. Salt ‘chain reactions,’ where chemical products one biogeochemical reaction influence subsequent ecosystem responses. Different impact drinking water quality, ecosystems, infrastructure, energy food production. Risk factors include salinity sources due amplification pulses interaction precipitation variability human activities. Depending on other factors, retention can range 2 90% across watersheds globally. retained interacts with cycles along flowpaths contributes ‘fast’ ‘slow’ associated temporary acidification long-term alkalinization freshwaters, impacts nutrient cycling, CO , CH 4 N O, greenhouse gases, corrosion, fouling, scaling deoxygenation, contaminant mobilization freshwater-marine continuum. also carbon cycle quantity quality organic matter transported coasts. identify double wide services. Our salinization is based analyses of: (1) temporal trends tributaries freshwaters Chesapeake Bay freshening mainstem over 40 years changes streamflow, sea level rise, watershed pollution; (2) loads major rivers Eastern U.S. increased riverine exports coastal waters sometimes 100-fold greater than forest reference conditions; (3) varying ion concentration-discharge relationships at Geological Survey (USGS) sites U.S.; (4) empirical between specific conductance Na + Cl − SO 2− Ca 2+ Mg K USGS (5) dissolved (DOC) different (6) original experiments demonstrating composition, nutrients metals, alkalinization, oxidation–reduction potentials, deoxygenation non-tidal The activities altering sources, transport, storage, reactivity entire helps anticipate, prevent, manage growing water, health, aquatic life, agriculture,

Язык: Английский

Процитировано

0

Specific conductance and water type as a proxy model for salinity and total dissolved solids measurements in the Upper Colorado River Basin DOI
R. Blaine McCleskey, Charles A. Cravotta, Matthew P. Miller

и другие.

Applied Geochemistry, Год журнала: 2025, Номер unknown, С. 106358 - 106358

Опубликована: Март 1, 2025

Язык: Английский

Процитировано

0

Appraisal of Industrial Pollutants in Sewage and Biogas Production Using Multivariate Analysis and Unsupervised Machine Learning Clustering DOI Creative Commons
Wiktor Halecki, Anna Młyńska, Krzysztof Chmielowski

и другие.

Applied Sciences, Год журнала: 2025, Номер 15(11), С. 6222 - 6222

Опубликована: Май 31, 2025

Sewage composition analysis is important for understanding environmental impact and ensuring effective treatment processes. In this study, we employed multivariate techniques to delve into the intricate of sewage. Specifically, utilized Principal Component Analysis (PCA) Detrended Correspondence (DCA) uncover patterns relationships among different types sewage pollutants. Statistical revealed that stages did not consistently reduce all pollutant concentrations. Mechanical failed lower chlorides sulfates, but was ether extract phenols. Moreover, total mechanical–biological provided a significant, 91% reduction phenols, while only reducing by 13% sulfates 22%. The significant differences between raw mechanically treated Totally stood out as key factor influencing pollutants studied, particularly sulfates. This finding emphasizes critical role comprehensive processes in management. Among analysed substances, showed strongest clustering potential, with an average Silhouette coefficient 0.738, highest observed. Phenols, on other hand, exhibited Within-Cluster Sum Squares (WCSS), suggesting their potential alternative parameter evaluation.

Язык: Английский

Процитировано

0

Chloride hydrogeochemistry of the finger lakes in Central and Western New York, USA DOI
John D. Halfman, MaryBridget Horvath

Anthropocene, Год журнала: 2024, Номер 45, С. 100428 - 100428

Опубликована: Янв. 23, 2024

Язык: Английский

Процитировано

2

Flexible Permeable-Pavement System Sustainability: A Methodology for Stormwater Management Based on PM Granulometry DOI Creative Commons
Vittorio Ranieri, Stefano Coropulis, Veronica Fedele

и другие.

Infrastructures, Год журнала: 2024, Номер 9(6), С. 95 - 95

Опубликована: Июнь 11, 2024

Permeable-pavement design methodologies can improve the hydrologic and therefore environmental benefits of rural urban roadway systems. By contrast, conventional impervious pavements perturb cycle, altering relationship between rainfall loading runoff response. Impervious create a hydraulically conductive interface for transport traffic-generated chemicals particulate matter (PM), deleteriously impacting their proximate environments. systems are countermeasures to mitigate hydrologic, chemical, PM impacts. However, permeable not always equally implementable due costs, loadings, constraints. A potential solution facilitate while meeting traffic load capacity is combination two filtration placed at pavement shoulders and/or pedestrian sidewalks: bituminous-pavement open-graded friction course (BPFC) an aggregate-filled infiltration trench. This presented in this manuscript together with methodological framework first results investigations into designing validating such combined system. The research was conducted laboratories Polytechnic University Bari Florida, operational full-scale physical model constructed Bari, Italy. characterize deposition on public roads based granulometry (particle size distributions (PSDs) particle number densities (PNDs)). Samples (n = 16) were collected analyzed eight different sites land uses, traffic, from cities (Bari Taranto, Italy). analysis showed similar (PSDs PNDs), except samples. gravimetric-based PSDs had granulometric sand-size range. In PNDs, modeled by Power Law Model (PLM) (R2 ≥ 0.92), illustrated exponentially increasing particles fine silt clay-size range, representing less than 10% PSD mass. Moreover, indicate that sourced permeable-pavement has differing impacts service life.

Язык: Английский

Процитировано

2

Land development and road salt usage drive long-term changes in major-ion chemistry of streamwater in six exurban and suburban watersheds, southeastern Pennsylvania, 1999–2019 DOI Creative Commons
Marissa L. Rossi, Peleg Kremer, Charles A. Cravotta

и другие.

Frontiers in Environmental Science, Год журнала: 2023, Номер 11

Опубликована: Май 26, 2023

In urbanized areas, the “freshwater salinization syndrome” (FSS), which pertains to long-term increases in concentrations of major ions and metals fresh surface waters, has been attributed road salt application. addition FSS, water composition changes as an influx sodium (Na + ) recharge may displace calcium (Ca 2+ ), magnesium (Mg potassium (K trace by reverse cation exchange. These changing ion fluxes can result adverse impacts on groundwater waters used for municipal supplies. Few datasets exist quantify FSS a watershed scale or link its manifestation potential controlling factors such urban development, land use/land cover (LULC), wastewater treatment plant (WWTP) discharges upstream areas. Here, we use two decades (1999–2019) monthly streamwater quality data combined with daily streamflow six exurban suburban watersheds southeastern Pennsylvania examine relations among Ca , Mg K Na chloride (Cl − sulfate (SO 4 2- alkalinity (HCO 3 factors. Flow-normalized annual baseflow (August ̶ November) Cl increased all over 20-year study, providing evidence FSS’s that sustains streamflow. Additionally, redundancy analysis using 2019 flow-normalized values identified following positive associations between solute variables: 1) impervious (ISC), 2) SO ISC total WWTP discharge volume, 3) HCO agriculture volume. From human health perspective, exceeded U.S. Environmental Protection Agency’s 20 mg L -1 threshold individuals restricted low diet. Furthermore, indices evaluate corrosivity source drinking infrastructure inform practices, Chloride Sulfate Mass Ratio Larson Ratio, two- seven-fold time. Collectively, results elucidate causal infrastructure.

Язык: Английский

Процитировано

5