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Measurement of Sulfate Reduction in Wetland Soils by Jeffrey C. Cornwell is a book available to read on EtoBox.

What is Measurement of Sulfate Reduction in Wetland Soils about?

Sulfate (SO 4 2-) reduction in wetland soils is a key anaerobic terminal electron accepting process, particularly in brackish and marine wetlands. The H 2 S produced from this process can be deleterious to wetland plants, and the reduced Fe sulfide minerals (FeS, FeS 2 ) produced are important controls on the balance of Fe and S in coastal ecosystems. The measurement of SO 4 2-reduction requires the collection of intact core sections, addition of a radiotracer ( 35 SO 4 2-), and recovery of both dissolved and particulate reduced 35 S species. The key advance in this measurement has been the use of acidic Cr(II) to recover reduced S from pyrite (FeS 2 ). Design criteria for experiments to measure SO 4 2-reduction in wetland soils include consideration of the duration of incubations, control of temperature, decay of the radiotracer, and efficient recovery of reduced S.

Author

Jeffrey C. Cornwell

Publisher

American Society of Agronomy and Soil Science Society of America

Published

2015

Language

EN