期刊
JOURNAL OF ENVIRONMENTAL QUALITY
卷 44, 期 4, 页码 1321-1325出版社
AMER SOC AGRONOMY
DOI: 10.2134/jeq2014.11.0484
关键词
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资金
- National Science Foundation Division of Ocean Science [OCE-1234704, OCE-1356890]
- Directorate For Geosciences
- Division Of Ocean Sciences [1356890, 1464392, 1357242] Funding Source: National Science Foundation
- Directorate For Geosciences
- Division Of Ocean Sciences [1234704] Funding Source: National Science Foundation
The availability of in situ spectrophotometers, such as the S::CAN spectro:: lyser, has expanded the possibilities for high-frequency water quality data collection. However, biological and chemical fouling can degrade the performance of in situ spectrophotometers, especially in saline environments with rapid flow rates. A complex freshwater washing system has been previously designed to reduce chemical fouling for the S::CAN spectro::lyser spectrophotometer. In the current study, we present a simpler, cheaper alternative: the attachment of a sacrificial zinc anode. Results are presented detailing the S::CAN spectro::lyser performance with and without the addition of the sacrificial anode. Attachment of the zinc anode provided efficient corrosion protection during 2-wk deployments in a highly dynamic (average tidal range, 2.5 m) saline tidal saltmarsh creek at Groves Creek, Skidaway Institute of Oceanography, Savannah, GA.
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