Advances in measuring soil organic carbon stocks and dynamics at the profile scale

Accurate estimation of soil organic carbon (SOC) stocks and dynamics along the soil profile is challenging due to the immense diversity and complexity of soils leading to the spatio-temporal variability of the parameters of interest. It is conducted in a wide range of different frameworks with diver...

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Bibliographic Details
Main Author: Poeplau, Christopher (auth)
Other Authors: Gregorich, Edward (auth)
Format: Electronic Book Chapter
Language:English
Published: Cambridge Burleigh Dodds Science Publishing 2023
Series:Burleigh Dodds Series in Agricultural Science
Subjects:
Online Access:DOAB: download the publication
DOAB: description of the publication
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520 |a Accurate estimation of soil organic carbon (SOC) stocks and dynamics along the soil profile is challenging due to the immense diversity and complexity of soils leading to the spatio-temporal variability of the parameters of interest. It is conducted in a wide range of different frameworks with diverse conceptual and analytical approaches. Our purpose in this chapter is to give a broad overview on methods for monitoring, reporting and verifying SOC stocks and their dynamics. This includes sampling and sensing techniques, SOC stock calculation, as well as SOC fractionation and assessment of SOC turnover along the soil profile using stable isotopes and alternative approaches. It is highlighted that certain key operational challenges need to be overcome for the determination of bulk SOC stocks and changes. Some of these issues, e.g. the depth vs. mass-based comparisons were discussed for several decades, while others have been less addressed so far. 
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650 7 |a Soil science, sedimentology  |2 bicssc 
650 7 |a Agronomy & crop production  |2 bicssc 
650 7 |a Sustainable agriculture  |2 bicssc 
650 7 |a Agricultural science  |2 bicssc 
653 |a soil sampling 
653 |a soil sensing 
653 |a soil monitoring 
653 |a equivalent soil mass 
653 |a fractionation 
653 |a stable isotopes 
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