Protocols for Demonstrating the Performance of In Situ Nutrient Analyzers.
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There are a number of challenges in assessing nutrient concentrations in aquatic systems that point to the value of sustained in situ observations. High spatial horizontal variability is typical of many coastal, estuarine and fresh water systems, as are strong depth gradients. High temporal variability in natural background concentrations are typical of many locations, often in response to short-term forcing (e.g., vertical mixing) or input events (e.g., runoff, river discharge). A lack of consistent relationships to other variables often makes inferences regarding nutrient-related impacts from other, more easily measured proxies (such as chlorophyll-a fluorescence) problematic. Finally, in many aquatic ecosystems, assessing responses to nutrient inputs from various sources requires monitoring of multiple nutrient species. ACT Nutrient Analyzer Demonstration Protocols ACT PD01-014. In situ nutrient sensors can play an important role in addressing these challenges and of.....
PublisherAlliance for Coastal Technologies (ACT)
Series;NrACT PD; 07-01
Essential Ocean Variables (EOV)Nutrients
Best Practice TypeBest Practice
Standard Operating Procedure
CitationJohengen, T. (2007) Protocols for the ACT Demonstration of In Situ Nutrient Analyzers. Solomons, MD, Alliance for Coastal Technologies, 23pp. (ACTPD07-01). DOI: http://dx.doi.org/10.25607/OBP-345
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