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

Bibliographic Details
Main Author: Mabit, Lionel.
Other Authors: Blake, William.
Format: eBook
Language:English
Published: Cham : Springer International Publishing AG, 2019.
Edition:1st ed.
Subjects:
Electronic books.
Online Access:Click to View
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.

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