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YouTube

Soil Carbon Saturation - Do Soils Have a Carbon Storage Limit, and If So, What Controls It?

AGU via YouTube

Overview

Explore the concept of soil carbon saturation in this informative webinar featuring Dr. Katerina Georgiou and Ph.D. candidate Maura Slocum. Delve into the question of whether soils have a finite capacity to store organic carbon and examine the factors determining soil carbon storage capacity. Learn about global-scale soil carbon storage and losses, mineral-associated carbon, and the balance between inputs and outputs. Investigate biotic and mineralogical controls across soils, estimating mineralogical capacity, and the relationship between mineral-associated organic carbon and clay + silt content. Discover management implications, challenges, and take-away messages related to soil carbon sequestration. Gain insights into C-loading in African Dark Earths and specific surface area considerations. This one-hour webinar, part of a series sponsored by the International Soil Carbon Network and various agricultural organizations, provides valuable knowledge for those interested in effective soil management practices and durable scientific concepts related to soil carbon sequestration.

Syllabus

Intro
Soil carbon storage and losses on a global-scale
What is mineral-associated and why is it important?
Soil carbon storage: a balance between inputs and outputs
What is soil carbon saturation?
Biotic vs. mineralogical controls
Mineralogical controls across soils
Mineralogical capacity in practice
Estimating mineralogical capacity: a historical perspective
Relationship between MOC and clay + silt content
Global synthesis of mineral-associated
Under-saturation with management and soil depth
Temperature controls and vulnerability of MOC
Global mineral-associated carbon and mineralogical saturation
Why is the mineralogical capacity relevant?
Management implications and challenges
Take-away messages
C-loading in African Dark Earths: Specific Surface Area
Carbon Loading (C-loading)

Taught by

AGU

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