Assessing Recent Soil Erosion Rates Through the Use of Beryllium-7 (Be-7).

• Author: Mabit, Lionel.
• TeilnehmendeR: Blake, William.
• Place / Publishing House: Cham : : Springer International Publishing AG,, 2019.; ©2019.
• Year of Publication: 2019
• Edition: 1st ed.
• Language: English
• Physical Description: 1 online resource (72 pages)

Table of Contents

• Intro
• Preface
• Contents
• 1 The Use of Be-7 as a Soil and Sediment Tracer
• 1.1 Origin and Agro-Environmental Behaviour of 7Be
• 1.1.1 Atmospheric Production of 7Be
• 1.1.2 7Be Fallout
• 1.1.3 7Be Sorption Behaviour in Soils and Sediments
• 1.2 The Use of 7Be as a Soil Redistribution Tracer
• 1.3 Examples of the Application of 7Be as a Soil Redistribution Tracer
• 1.4 The Requirement for a Standardised Approach
• Appendix 1.1: The Profile Distribution Model
• References
• 2 How to Design a Be-7 Based Soil Distribution Study at the Field Scale: A Step-by-Step Approach
• 2.1 Key Sample Sets and Associated Data
• 2.2 Reference Site Selection and Sampling
• 2.3 Sample Design Options for Soil Redistribution
• 2.4 Sampling for Particle Size Selectivity Correction
• 2.5 Summary: Designing a Basic Small Scale 7Be Pilot Study Sampling Programme at the Plot Scale
• Appendix 2.1: Protocol for Extraction of 7Be from Rainwater
• References
• 3 Measurement of Be-7 in Environmental Materials
• 3.1 Overview of Digital Gamma Spectrometry Systems
• 3.2 Preparation of Samples
• 3.2.1 Sample Management
• 3.2.2 Soil Samples
• 3.2.3 Samples of Rainwater
• 3.2.4 Sample Geometry
• 3.3 Calibration Approaches
• 3.3.1 Semi-empirical Calibration Method
• 3.3.2 Monte Carlo Approach
• 3.4 Data Handling and 7Be Analysis
• 3.4.1 Quality Assurance
• Appendix 3.1: Soil Sample Preparation Prior to Gamma Analysis
• Appendix 3.2: Preparation of a Secondary Soil Calibration Standard
• References
• 4 Conversion of Be-7 Activity Concentrations into Soil and Sediment Redistribution Amounts
• 4.1 Implementing the Event-Scale Profile Distribution Model
• 4.2 Accounting for Size Selectivity of Erosion and Deposition Processes in the Profile Distribution Model
• 4.3 Extended Time Series Conversion Model: The Theory.
• 4.4 Implementing the Extended Time Series Model
• 4.5 Hillslope Sediment Budget Examples and Inclusion of Uncertainty
• References
• 5 Research into Practice-Linking Be-7 Evidence to Land Management Policy Change for Improved Food Security
• 5.1 The Importance of the Short-Term Perspective for Land Management Policy Makers
• 5.2 Linking Nuclear Techniques in Soil Erosion and Conservation to Policy Change
• 5.3 Example Impact Case Study: Support Provided by The 7Be Technique to Shape Soil Conservation Policy in Morocco
• 5.3.1 Soil Erosion and Conservation Policy Challenges in Morocco
• 5.3.2 From the Laboratory to the Field: The Approach
• 5.3.3 Key Findings and Policy Impacts from 7Be Application in Morocco
• 5.4 Future Trends and Opportunities in Using 7Be
• References.