Rebecca B. Neumann, Khandaker N. Ashfaque, A. B. M. Badruzzaman, M. Ashraf Ali et al.
Charles F. Harvey, Khandaker N. Ashfaque, Winston Yu, A. B. M. Badruzzaman et al.
Rebecca B. Neumann, Lara E. Pracht, Matthew L. Polizzotto, A. B. M. Badruzzaman et al.
Laboratory incubations of sediment collected from an arsenic-contaminated aquifer in Bangladesh revealed a hitherto undocumented pool of biodegradable sedimentary organic carbon. Sampling, homogenizing, handling, and/or experimentation with the sediment released organic carbon, causing dissolved org...
Rebecca B. Neumann, Allison P. St. Vincent, Linda C. Roberts, A. B. M. Badruzzaman et al.
Irrigation of rice fields in Bangladesh with arsenic-contaminated groundwater transfers tens of cubic kilometers of water and thousands of tons of arsenic from aquifers to rice fields each year. Here we combine observations of infiltration patterns with measurements of porewater chemical composition...
Lara E. Pracht, Malak Tfaily, Robert J. Ardissono, Rebecca B. Neumann
Abstract. Bioavailable organic carbon in aquifer recharge waters and sediments can fuel microbial reactions with implications for groundwater quality. A previous incubation experiment showed that sedimentary organic carbon (SOC) mobilized off sandy sediment collected from an arsenic-contaminated and...
Matthew L. Polizzotto, Ethan M. Lineberger, Audrey R. Matteson, Rebecca B. Neumann et al.
Experiments were conducted to analyze processes impacting arsenic transport in irrigation water flowing over bare rice-field soils in Bangladesh. Dissolved concentrations of As, Fe, P, and Si varied over space and time, according to whether irrigation water was flowing or static. Initially, under fl...
Rebecca B. Neumann, Matthew L. Polizzotto, A. B. M. Badruzzaman, M. Ashraf Ali et al.
Flow through a groundwater‐irrigated rice field in Bangladesh was characterized with data collected from a transect of tensiometers and time domain reflectometry sensors, novel tracer tests, infiltration tests, soil core analyses, and calculated water budgets. The combined data captured the dynamic ...
Rebecca B. Neumann, Lara E. Pracht, Matthew L. Polizzotto, A. B. M. Badruzzaman et al.
Irrigation of rice fields in Bangladesh with arsenic-contaminated and methane-rich groundwater loads arsenic into field soils and releases methane into the atmosphere. We tested the water-savings potential of sealing field bunds (raised boundaries around field edges) as a way to mitigate these negat...
Tiffany Lin, Saeedreza Hafeznezami, Lynn Rice, Janna Lee et al.
Rebecca B. Neumann, Khandaker N. Ashfaque, A. B. M. Badruzzaman, M. Ashraf Ali et al.
Thomas Piggott, Maheen Raja, Charlotte T. J. Michels, Alina Herrmann et al.
BACKGROUND: This protocol outlines a scoping review with the objective of identifying and exploring planetary health considerations within existing health guidelines and health technology assessments (HTA). The insights gained from this review will serve as a basis for shaping future Grading of Reco...
Pakeezah Saadat, Maheen Raja, Andrea Darzi, Charlotte T. J. Michels et al.
ABSTRACT Introduction Individual human health is inextricably linked to planetary health, which refers to the health of human civilization and the natural systems on which it depends. These systems are captured by the nine planetary boundaries which together define a safe operating space for humanit...
Lara E. Pracht, Malak Tfaily, Robert J. Ardissono, Rebecca B. Neumann
Abstract. Bioavailable organic carbon in aquifer-recharge waters and sediments can fuel microbial reactions with implications for groundwater quality. A previous incubation experiment showed that sedimentary organic carbon (SOC) mobilized off sandy sediment collected from an arsenic-contaminated and...
Tracy Hmielowski
Photo source: Flickr/WorldFish Arsenic is a widely distributed toxic element that naturally occurs in minerals. One of the most common pathways for exposure is when arsenic leaches into drinking water supplies, often through natural weathering/breakdown. People are also exposed to arsenic through fo...
Rebecca B. Neumann, Allison P. St. Vincent, Linda C. Roberts, A. B. M. Badruzzaman et al.
Irrigation of rice fields in Bangladesh with arsenic-contaminated groundwater transfers tens of cubic kilometers of water and thousands of tons of arsenic from aquifers to rice fields each year. Here we combine observations of infiltration patterns with measurements of porewater chemical composition...