Skip to main content
eScholarship
Open Access Publications from the University of California

Progress toward deployment of a wireless sensor network to understand arsenic mobilization in a Bangladeshi aquifer

  • Author(s): Nithya Ramanathan;
  • Marci Burt;
  • Genevieve Fernandez;
  • Thomas Harmon;
  • Jennifer Jay;
  • Charles Harvey;
  • Rebecca Nuemann;
  • Deborah Estrin
  • et al.
Abstract

Arsenic in groundwater has lead to a massive poisoning in Bangladesh. Tens of millions of people are currently drinking dangerously high levels of naturally occurring arsenic in groundwater, resulting in adverse health effects. However, we lack a full understanding of the factors controlling arsenic (a naturally occurring element) mobilization to groundwater. A current working hypothesis is that influx of dissolved arsenic to groundwater is greatly enhanced where rice cultivation provides the primary source of aquifer recharge because anoxic irrigation-return flow mobilizes arsenic (As) as it passes through an As-enriched iron oxide band in the sediment. We plan to deploy a wireless sensor network to monitor oxidation-reduction potential (ORP), moisture, soil temperature, calcium, ammonium, pH, oxidation, and nitrate at three depths in pylons located at three different locations.

Main Content
For improved accessibility of PDF content, download the file to your device.
Current View