4.4 Article

Multiscale spatiotemporal variability of fecal indicator bacteria and associated particle size distributions in the sandy bottom sediments of a Pennsylvania creek

Related references

Note: Only part of the references are listed.
Article Geosciences, Multidisciplinary

Seasonal Variations in Fjord Sediment Grain Size: A Pre-requisite for Hydrological and Climate Reconstructions in Partially Glacierized Watersheds (Baker River, Patagonia)

Benjamin Amann et al.

Summary: Fjord sediments can serve as high-resolution archives of hydrological and climate variability, reflecting changes in rivers like Baker River. End-member modeling of particle-size distributions provides quantitative estimates of baseflow, quickflow, meltwater production, and temperature, supporting reconstructions of hydrological and climate variability in glacierized watersheds.

JOURNAL OF GEOPHYSICAL RESEARCH-EARTH SURFACE (2022)

Article Environmental Sciences

A 22-Site Comparison of Land-Use Practices, E-coli and Enterococci Concentrations

Jason A. Hubbart et al.

Summary: Land-use practices have a significant impact on water quality, and the presence of Escherichia coli and Enterococcus bacteria can indicate water quality. However, there is limited research comparing the relationship between the population density of both organisms and land-use practices. This study collected stream water samples from different types of land-use practices in a mixed-land-use watershed and analyzed the bacterial colony forming units (CFU per 100 mL) using various statistical methods. The results showed significant relationships between fecal indicator bacteria concentrations, water quality metrics, and land-use practices. The study also questioned the comparability of E. coli and enterococci in relation to land-use practices and variations in pH.

INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH (2022)

Article Environmental Sciences

Sediment and fecal indicator bacteria loading in a mixed land use watershed: Contributions from suspended sediment and bedload transport

J. Kenneth Bradshaw et al.

Summary: Suspended transport was found to be the dominant mechanism for bed sediments and fecal indicator bacteria in the South Fork Broad River watershed, with annual bedload transport of FIB being small. Escherichia coli made a greater contribution to bedload FIB compared to enterococci. The risk of exposure to enteric pathogens increases during extended periods of high flows, highlighting the importance of considering contributions from overland and bedload-associated fecal bacteria in risk assessments.

JOURNAL OF ENVIRONMENTAL QUALITY (2021)

Article Environmental Sciences

Variability of E. coli in streambed sediment and its implication for sediment sampling

Sadia Salam et al.

Summary: E. coli is the top cause of water quality impairments in rivers and streams in South Dakota and the U.S. Sediment can act as a reservoir for bacteria, but there is limited understanding of E. coli variability in sediments. The study highlights the high spatial variability of E. coli in sediments, indicating that a single grab sample may not accurately represent E. coli concentrations.

JOURNAL OF CONTAMINANT HYDROLOGY (2021)

Article Soil Science

Shaking settings to reduce the breakdown of Entisol fragile particles in texture analysis

Paulo Ivonir Gubiani et al.

Summary: Through experiments, it was found that the best setting to optimize particle dispersion and minimize changes in particle size distribution was using a horizontal shaker at 150 cycles min(-1) for 1 to 2 hours without using nylon spheres.

REVISTA BRASILEIRA DE CIENCIA DO SOLO (2021)

Article Engineering, Environmental

Spatially explicit pollutant load-integrated in-stream E-coli concentration modeling in a mixed land-use catchment

Madusanka Thilakarathne et al.

WATER RESEARCH (2018)

Article Environmental Sciences

Escherichia coli Release from Streambed to Water Column during Baseflow Periods: A Modeling Study

Yongeun Park et al.

JOURNAL OF ENVIRONMENTAL QUALITY (2017)

Article Agriculture, Multidisciplinary

Cattle exclusion using fencing reduces Escherichia coli (E. coli) level in stream sediment reservoirs in northeast Ireland

Lyubov Bragina et al.

AGRICULTURE ECOSYSTEMS & ENVIRONMENT (2017)

Article Environmental Sciences

Contamination with bacterial zoonotic pathogen genes in US streams influenced by varying types of animal agriculture

Sheridan K. Haack et al.

SCIENCE OF THE TOTAL ENVIRONMENT (2016)

Article Engineering, Environmental

Escherichia coli survival in waters: Temperature dependence

R. A. Blaustein et al.

WATER RESEARCH (2013)

Review Environmental Sciences

Escherichia Coli and Fecal Coliforms in Freshwater and Estuarine Sediments

Y. A. Pachepsky et al.

CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY (2011)