Ground Penetrating Radar for Tree Root Defect Detection
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Solution Overview
Problem
Current methods fail to objectively evaluate and remediate defective tree roots below ground, leading to compromised tree health, reduced aesthetic and environmental benefits, and increased costs due to unseen root issues during harvesting, containerization, and urban planting.
Innovation Solution
A ground penetrating radar (GPR) apparatus and system for non-invasive inspection and evaluation of tree roots, using algorithms to interpret data and provide guidance for remediation, offering visibility to root defects and recommending corrective actions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If trees are planted deep in the ground or in containers to prevent falling, then tree stability is improved, but root defects develop (circling roots, stem girdling) and visibility of root structure is lost
Solution Approach 1:
The GPR system performs preliminary detection of root structure defects before they cause severe damage. By scanning trees in containers or recently planted trees, the system identifies circling roots and stem girdling early, allowing remediation before the stability benefit is lost to root defects
Solution Approach 2:
The system provides feedback about root structure conditions to growers and landscapers. The GPR scans generate reports that inform decisions about tree placement, container management, and remediation needs, creating a closed loop that maintains both stability and root health
2Productivity
If trees are harvested using spade machines that cut root balls from soil, then tree extraction is efficient, but critical roots are cut off (80-90% loss) and root defects are not detected
Solution Approach 1:
The GPR system performs preliminary mapping of the root structure before harvest. This allows identification of critical root zones that should be preserved during spade harvesting, enabling adjusted harvesting techniques that maintain root integrity while preserving efficiency
Solution Approach 2:
The GPR system acts as an intermediary between the harvesting process and root preservation. By providing detailed root structure data, it mediates the conflict between efficient extraction and root preservation, allowing optimized harvesting approaches
3Ease of operation
If trees remain in wire baskets with bag & burlap or containers for storage and transportation, then tree handling is facilitated, but roots grow in circular patterns and secondary root systems develop below grade
Solution Approach 1:
The GPR system performs preliminary detection of root growth patterns in containers before problems become severe. Early detection allows intervention such as root pruning or container redesign before circling roots and secondary root systems compromise tree health
Solution Approach 2:
The system provides ongoing feedback during storage and transportation about root condition. This enables real-time adjustments to storage practices, such as changing container configurations or harvesting timing, to prevent root defects while maintaining handling efficiency
4Duration of action of moving object
If containerized trees are transplanted multiple times as they outgrow containers, then tree growth is supported, but roots grow in circular patterns and stem girdling occurs
Solution Approach 1:
The GPR system performs preliminary assessment of root structure before each transplanting event. This allows identification of trees developing circling roots or stem girdling, enabling proactive remediation such as root pruning or delayed transplanting to prevent defects before they cause damage
Solution Approach 2:
The system provides feedback throughout the containerization and transplanting process about root structure development. This information guides decisions about optimal transplanting timing, container size selection, and root management practices to maintain both growth duration and root health
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
Enables objective evaluation and remediation of tree roots, improving tree health, sustainability, and long-term value by providing actionable insights throughout the tree supply chain and maintenance practices, reducing premature tree death and associated costs.
Implementation Method 1
a ground penetrating radar (GPR) apparatus, system and methodology of use for inspection and objective evaluation of tree root structure below ground
Data Source
AI summary
This invention will be an apparatus, system and use of Ground Penetrating Radar (GPR) as a noninvasive and non-destructive means to detect and examine tree roots, below grade of the soil surface. This invention will provide a means and methodology for objective evaluation of tree root defects based upon standards for urban trees at all levels of the Nursery Tree Industry. The output from software algorithms will provide guidance for remediation of defects when appropriate, inventory and management data for proactive maintenance at all levels of the supply chain. This apparatus, system and methodology will be a new and useful process at all levels of the supply chain for nursery tree stock.