Sediment oxygen demand: A review of in situ methods
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Abstract
Sediment oxygen demand (SOD) plays a fundamental role in biological and chemical processes within the benthic layer of a water body. Land use, including agricultural land use, can affect SOD. However, a wide variety of approaches have been used for in situ SOD chamber construction and data collection, and modelers frequently use SOD values from the literature, without consideration of the differences in methods. Here, we review existing literature on SOD chambers (32 papers, 1974–2016), compare the differences between in situ and laboratory methods, evaluate the effects of in situ chamber mixing, and discuss common challenges associated with deployment. A cohesive in situ sealed chamber design for use with a multiparameter water-quality instrument is presented as an effort toward standardizing SOD methodology, an important consideration that may facilitate integration of SOD data sets among multiple research efforts.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Sediment oxygen demand: A review of in situ methods |
| Series title | Journal of Environmental Quality |
| DOI | 10.2134/jeq2018.06.0251 |
| Volume | 48 |
| Issue | 2 |
| Year Published | 2019 |
| Language | English |
| Publisher | ACSESS |
| Contributing office(s) | Upper Midwest Water Science Center |
| Description | 9 p. |
| First page | 403 |
| Last page | 411 |
| Google Analytic Metrics | Metrics page |