Measuring Emission of Agricultural Greenhouse Gases and Developing Mitigation Options Using Nuclear and Related Techniques : Applications of Nuclear Techniques for GHGs.
| Main Author: | |
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| Other Authors: | , |
| Format: | eBook |
| Language: | English |
| Published: |
Cham :
Springer International Publishing AG,
2021.
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| Edition: | 1st ed. |
| Subjects: | |
| Online Access: | Click to View |
Table of Contents:
- Intro
- Foreword
- Preface
- Acknowledgements
- How to Cite the Book
- Contents
- Editors and Contributors
- Acronyms and Abbreviations
- List of Figures
- List of Plates
- List of Tables
- 1 Greenhouse Gases from Agriculture
- 1.1 Introduction
- 1.2 Impact of Ammonia on GHG Emissions
- 1.3 Aim of the Book
- References
- 2 Methodology for Measuring Greenhouse Gas Emissions from Agricultural Soils Using Non-isotopic Techniques
- 2.1 Introduction
- 2.2 Chamber-Based Methods
- 2.2.1 Advantages and Disadvantages of Closed Chamber-Based Methods
- 2.2.2 Principles and Applications of Chamber-Based Techniques for Gas Flux Measurement
- 2.2.3 Gas Exchange Processes
- 2.2.4 Chamber Types
- 2.2.5 Chamber Design
- 2.2.6 Chamber Operation, Accessories, Evacuation of Exetainers, and Gas Flux Measurement
- 2.2.7 Gas Pooling to Address the Spatial Variability of Soil GHG Fluxes
- 2.2.8 GHG Measurements in Paddy Rice System
- 2.2.9 Analysis of GHG Samples on a Gas Chromatograph (GC)
- 2.3 Methods to Quantify GHG Production in the Soil Profile
- 2.4 Standard Operating Procedure (SOP) for Gas Flux Measurement
- 2.4.1 Field Gears and Equipment Needed for GHG Sampling
- 2.4.2 Step-Wise Procedure (SOP) for GHG Measurements
- 2.4.3 Gas and Soil Sampling
- 2.4.4 Safety Measures for GHG Sampling
- 2.5 Calculation of GHG Fluxes
- 2.5.1 Overview
- 2.5.2 Calibration
- 2.5.3 Calculation of the Gas Concentration and Fluxes
- 2.5.4 Conversion from Concentration to Mole
- 2.5.5 Data Analysis
- 2.6 Analysis of GHG Samples with Optical Gas Analysers
- 2.7 Hands-On Approaches Using a CRDS Analyser
- 2.7.1 Overview of the CRDS Techniques for Determining GHG Concentrations and Soil Fluxes
- 2.7.2 Theory: Near-Infrared Absorption Spectroscopy Fundamentals
- 2.7.3 Operational Principle of Cavity Ring-Down Spectroscopy.
- 2.7.4 Minimum Detectable Flux (MDF)
- 2.7.5 Selecting the Appropriate Flow Path
- 2.7.6 In-Line Flow Path
- 2.7.7 Parallel Flow Path
- 2.7.8 Multiple Chambers
- 2.7.9 Calibration
- 2.7.10 Advanced Application Considerations: Filtration of Gas Samples
- 2.7.11 Liquid Water and Water Vapour
- 2.7.12 CRDS-Specific Considerations
- 2.7.13 Datalogging and Flux Processing
- 2.8 Enhanced Raman Spectroscopy of Greenhouse Gases
- 2.8.1 Raman Spectroscopy of Gases
- 2.8.2 Enhanced Raman Gas Spectroscopy
- 2.8.3 Enhanced Raman Spectroscopic Analysis of Greenhouse Gases
- 2.9 GHG Fluxes from Aquatic Systems
- 2.9.1 Determining Dissolved N2O Concentrations
- 2.9.2 Determining N2O Fluxes from a Water Body
- 2.9.3 Determining Gas Transfer Velocity (K)
- 2.9.4 Models for Determining N2O Fluxes from Water Bodies
- 2.9.5 Other Factors to Consider
- 2.9.6 Determining EF5
- 2.10 Indirect GHG Emissions-Ammonia Emissions
- 2.10.1 A Simple Low-Cost Chamber to Quantify NH3 Volatilisation
- 2.11 Gas Production Processes in Terrestrial Ecosystems
- References
- 3 Automated Laboratory and Field Techniques to Determine Greenhouse Gas Emissions
- 3.1 Automated Laboratory Techniques
- 3.1.1 Technical Challenges
- 3.1.2 System 1
- 3.1.3 System 2
- 3.2 Automated Chamber Systems for Field Measurements
- 3.2.1 Field Techniques Using GC Systems
- 3.2.2 Combination of Automatic Chamber System and CRDS Analyser for Field GHG Flux Measurements
- References
- 4 Micrometeorological Methods for Greenhouse Gas Measurement
- 4.1 Introduction
- 4.2 Flux-Gradient Method
- 4.3 Aerodynamic Method
- 4.4 Bowen Ratio (Energy Balance Method)
- 4.5 Eddy Correlation Approach
- 4.6 Alternative Micrometeorological Methods
- 4.6.1 Eddy Accumulation
- 4.6.2 Mass Balance Technique
- 4.7 Non-isotopic Tracer Release and Measurement Methods
- References.
- 5 Direct and Indirect Effects of Soil Fauna, Fungi and Plants on Greenhouse Gas Fluxes
- 5.1 Greenhouse Gases from Soil Fauna
- 5.1.1 Introduction
- 5.1.2 Overview of Fauna on GHG Emissions
- 5.1.3 Field Methodology
- 5.2 Greenhouse Gases from Fungi and Plants
- 5.2.1 Methane (CH4)
- 5.2.2 A Laboratory Approach to Study CH4 Production from Plants and Fungi
- 5.2.3 Measuring Procedure
- 5.3 Measuring Discrete Gas Samples with a Cavity Ring-Down Spectrometer for CO2 and CH4 Concentration and Carbon Isotope Analysis
- References
- 6 Methane Production in Ruminant Animals
- 6.1 Introduction
- 6.2 Direct Measurements
- 6.2.1 Enclosure Techniques
- 6.3 Tracer Techniques
- 6.3.1 Use of SF6 Bolus
- 6.3.2 Tracer Ratio Method for Emission Measurements in Naturally Ventilated Housing
- 6.3.3 Application of CH4: CO2 Ratio
- 6.4 Micrometeorological Estimates
- 6.4.1 Open-Path Lasers
- 6.5 Short-Term Measurements
- 6.5.1 Spot Sampling Using Lasers
- 6.6 Indirect Methods
- 6.6.1 Methane Emissions from Feed and Feed Characteristics
- 6.6.2 Emissions from Volatile Fatty Acids (VFAs)
- 6.6.3 In Vitro Incubations
- 6.6.4 Batch Systems
- 6.7 Methane from Animal Wastes
- 6.8 Storage and Analysis of Samples
- 6.8.1 Storage of Samples
- 6.8.2 Analysis of Samples
- References
- 7 Isotopic Techniques to Measure N2O, N2 and Their Sources
- 7.1 Introduction
- 7.2 15N Gas Flux Method (15N GFM) to Identify N2O and N2 Fluxes from Denitrification
- 7.2.1 Background
- 7.2.2 Principles of the 15N Gas Flux Method
- 7.2.3 Identifying the Formation of Hybrid N2 and/or N2O
- 7.2.4 Analysis of N2 and N2O Isotopologues
- 7.2.5 Detection Limit for ap and fp
- 7.2.6 Limitations of the 15N Gas Flux Method (15N GFM)
- 7.2.7 Evaluation of the 15N GFM
- 7.2.8 Lab and Field Experiments
- 7.2.9 Conclusions and Outlook.
- 7.3 Isotopocule Techniques to Identify Pathway-Specific N2O Emissions
- 7.3.1 Introduction
- 7.3.2 Principles
- 7.3.3 Analysis of N2O Isotopocules by IRMS
- 7.3.4 Laser Spectroscopic Analysis of N2O Isotopomers to Differentiate Pathways
- 7.3.5 Hands-on Approach to Use a CRDS Isotopic N2O Analyser
- 7.3.6 Accuracy, Precision and Bias
- 7.3.7 Examples of Laboratory Applications
- 7.3.8 Examples of Field Applications
- 7.3.9 Outlook
- 7.4 Dual Isotope Method for Distinguishing Among Sources of N2O
- 7.5 Quantification of Gross N Transformation Rates and Process Specific N2O Pathways via 15N Tracing
- 7.5.1 Background
- 7.5.2 Stable Isotope Tracing Technique
- 7.5.3 Setup of Tracing Experiments
- 7.5.4 Analyses of Experimental Data
- 7.5.5 15N Tracing Model Analyses via Ntrace
- 7.5.6 Parameter Optimisation with Ntrace
- 7.5.7 Determination of N2O Pathways
- 7.5.8 Source Partitioning to Quantify N2O Pathways
- References
- 8 Climate-Smart Agriculture Practices for Mitigating Greenhouse Gas Emissions
- 8.1 Introduction on Climate-Smart Agriculture Practices and Greenhouse Gas Emissions
- 8.2 Climate-Smart Agricultural Technology to Reduce GHG Emissions
- 8.2.1 Nitrogen Process Inhibitors and Greenhouse Gas Emissions
- 8.2.2 Soil Amendments and Greenhouse Gas Emissions
- 8.2.3 Fertiliser Type and Management and Greenhouse Gas Emissions
- 8.2.4 Cropping Systems and Greenhouse Gas Emissions
- 8.3 Climate-Smart Agriculture (CSA) Practices and C Sequestration
- 8.4 Life Cycle Assessment (LCA) for Estimating the C Footprint of Agro-Food Systems
- 8.5 Conclusions
- References
- Index.


