Depth-Resolved Sequestered Carbon Estimation From Soil Cores
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Solution Overview
Problem
The existing methods lack precision, reliability, and affordability in estimating the amount of sequestered carbon in soil, which is crucial for accurate reporting and participation in carbon credit markets.
Innovation Solution
A method involving core soil sampling, analysis techniques such as high-sensitivity infrared gas analysis, nano laser diffraction, and fluorescence response-based methods like EDXRF, combined with artificial intelligence, to determine the carbon content in soil at various depths, including up to 25 feet below the surface, and using lateral measurements for improved accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mechanical CO2 removal and injection into geological formations is used, then CO2 reduction is achieved, but capital expenditure and operational costs increase significantly
Solution Approach 1:
The patent replaces complex mechanical CO2 injection systems with simple soil sampling and analytical measurement systems. Instead of mechanically injecting CO2 into geological formations, the system uses core samplers and laboratory analyzers to measure carbon already sequestered in soil, eliminating the need for expensive mechanical injection infrastructure while still achieving CO2 reduction verification
Solution Approach 2:
The system leverages natural soil processes to sequester CO2 and uses automated analytical instruments to measure the sequestered carbon. The soil itself performs the CO2 capture function, and the analytical system automatically quantifies it, eliminating the need for active mechanical intervention and reducing operational complexity
2Measurement precision
If traditional soil sampling and analysis methods are used, then carbon estimation is achieved, but precision and reliability are insufficient for carbon credit markets
Solution Approach 1:
The patent replaces traditional mechanical soil analysis methods with advanced analytical instruments including continuous wave EPR spectrometers and laser-based analyzers. These instruments provide precise, objective measurements of carbon isotopes and concentrations that are far more accurate than traditional chemical analysis, ensuring reliable data for carbon credit verification
Solution Approach 2:
The system uses carbon isotope ratios (specifically 13C/12C ratios) as an intermediary marker to verify the origin and amount of sequestered CO2. This isotopic fingerprinting approach provides a reliable chain of evidence that connects atmospheric CO2 to soil carbon, enabling credible reporting that satisfies carbon market requirements
3Measurement precision
If advanced analytical methods are used to measure sequestered carbon, then measurement precision improves, but cost and complexity increase
Solution Approach 1:
The patent divides the measurement system into separate functional modules: core sampling equipment, isotopic analysis instruments, and data processing systems. Each module performs a specific function and can be operated independently, reducing the complexity burden on any single component while maintaining overall system precision through coordinated operation of specialized subsystems
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Provides precise, repeatable, and cost-effective estimation of carbon sequestration, enabling higher carbon credit generation and improved soil management for farmers and landowners, supporting net zero carbon objectives.
Implementation Method 1
testing the core sample to provide a data set... high-sensitivity infrared gas analysis
Implementation Method 2
nano laser diffraction analysis
Implementation Method 3
fluorescence response-based methods like EDXRF
Data Source
AI summary
A method of estimating an amount of a sequestered carbon-based constituent in a volume of soil that includes taking a core soil sample of a sample volume of soil proximate at and below a root system associated with carbon soil accumulation from a biomass. The core sample is taken at a depth extending from an earthen surface, the depth having a depth range. The core sample is tested to provide a data set.