Carbon limitation of denitrification rates in an anaerobic groundwater system
Article Abstract:
An evaluation of the potential denitrification rates in a shallow anaerobic groundwater system is discussed. Sediment and water samples were collected from a golf course in Tampa, Florida and were subjected to particle size analysis and calibrated acidity/dissolved oxygen meters, respectively. The rate of denitrification and the influence of acidity on the denitrifying activity was analyzed using acetylene block technique. It was found that the primary cause for the accumulation of nitrate in groundwater underlying cultivated lands is the carbon limitation in anaerobic aquifer sediments.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1992
User Contributions:
Comment about this article or add new information about this topic:
On-line monitoring of aquatic samples
Article Abstract:
The need for selectivity, speed and sensitivity in trace-level environmental analysis is pushing the development of on-line automated monitoring and screening systems. These systems are based on the combination of analyte trace-enrichment and chromatographic separation-with-detection. The Free University of Amsterdam in the Netherlands has developed aquatic analyzers based on on-line solid-phase extraction gas chromatography and solid-phase extraction-liquid chromatography. The advantages and limitations of these systems are discussed.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1995
User Contributions:
Comment about this article or add new information about this topic:
Groundwater record of halocarbon transport by the Danube River
Article Abstract:
A coherent record of halocarbon contamination in the Danube River in Hungary was determined through an analysis of a shallow aquifer, which had a low coefficient of dispersion. The groundwater analysis determined that the halocarbon concentration reached its highest level in the 1960s and 1970s. Upstream urban-industrial centers may have been the main point source for the halocarbons during this peak period.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1997
User Contributions:
Comment about this article or add new information about this topic:
- Abstracts: Dissolution of monoaromatic hydrocarbons into groundwater from gasoline-oxygenate mixtures. Reducing lead in gasoline: Mexico's experience
- Abstracts: Detection of fastidious infectious enteric viruses in water
- Abstracts: Quality management organizations and techniques. Causes of quality deviations in design and construction. Using quality circles to raise productivity and quality of work life
- Abstracts: Knowledge acquisition and development for formwork selection system. part 2 Construction automation: demands and satisfiers in the United States and Japan
- Abstracts: Calibration of surface complexation models. Surface complexation modeling of competitive adsorption. Structure and behavior of colloidal material