Integrated Carbon Balance Estimation Using Satellite and Soil Data
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Solution Overview
Problem
Existing methods for determining carbon balance in geographic areas face high uncertainty and fail to consider soil and environmental variables that correlate with carbon sequestration, particularly in native forests and human-managed systems, leading to inaccurate carbon content estimation.
Innovation Solution
A method and system that combines satellite image analysis with soil and climatic data to determine carbon balance by measuring representative attributes using georeferenced measurement stations, incorporating soil, climatological, and geomorphological variables, and accounting for carbon gains and losses from vegetation and human activities like cattle grazing and fires.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional biomass estimation methods are used, then the process is simpler, but the measurement precision deteriorates with uncertainty ranging from 18% to 103%
Solution Approach 1:
The patent combines multiple data sources and measurement techniques including satellite remote sensing, ground-based spectral measurements, soil sampling, and climate data into an integrated carbon estimation system. This merging of multiple approaches allows the system to achieve high measurement precision (reducing uncertainty to less than 10%) by compensating for the limitations of individual methods through their synergistic integration.
Solution Approach 2:
The patent introduces intermediate measurement layers between direct biomass estimation and carbon content calculation. These intermediaries include spectral indices from satellite and ground sensors, soil organic carbon measurements, and climate variables that serve as proxies and indicators, enabling more accurate carbon estimation without requiring direct measurement of all biomass parameters.
2Measurement precision
If satellite image analysis alone is used, then the ease of operation is improved, but the measurement precision deteriorates due to spatial heterogeneity and model-dependent issues
Solution Approach 1:
The patent applies local quality by combining area-wide satellite remote sensing data with localized ground-based measurements and soil sampling. This approach allows the system to maintain the broad coverage advantage of satellite imagery while incorporating local site-specific conditions through ground truth data, thereby improving measurement precision without requiring complete manual field surveys of the entire area.
Solution Approach 2:
The patent implements partial action by using satellite imagery to cover the entire study area for baseline carbon estimation, then applying targeted ground-based measurements and soil sampling only in representative locations. This partial approach to ground validation reduces operational complexity compared to comprehensive field surveys while still improving the precision of satellite-based estimates through strategic ground truthing.
3Reliability
If comprehensive soil and environmental sampling is conducted, then the reliability is improved, but the loss of time and resources increases
Solution Approach 1:
The patent applies preliminary action by conducting soil sampling and environmental measurements at the beginning of the study period to establish baseline conditions. Climate data and satellite imagery are also collected in advance. This preliminary data collection allows the system to determine carbon balance with high reliability while minimizing the need for repeated intensive sampling throughout the study period, thereby reducing overall time and resource requirements.
Data Source
AI summary
The invention relates to a method for the determination of the carbon balance in a predetermined geographic area, applicable to natural and/or human-managed systems, which integrates a series of known and validated technologies into a single information system on the carbon sequestered by natural and human-intervened systems. A system for determining the total carbon balance of a predetermined geographic area is also provided.