Harbor Engineering (Breakwaters)
Artificial harbor protection using stone, rubble, timber, moles, and later concrete breakwaters to reduce wave exposure and create safer anchorages.
Core metadata
- ID: harbor_engineering_breakwaters
- Era: Classical
- First known date: -530 (decade)
- Region: Samos and eastern Mediterranean harbor works
- Review status: source_checked
- Maturity: N/A
Prerequisites
Dependents
- Harbor Lighthouses (harbor_lighthouses)
- Lighthouses (lighthouses)
- Shipyard Drydocks (shipyard_drydocks)
Fields
- None.
Node sources
- Ancient Harbors in the Mediterranean (Oxford Handbook of Engineering and Technology in the Classical World / ResearchGate copy, 2008, review) • Supports: node
Locator: The chapter identifies the long rubble-mound breakwater at Samos, attributed to Polykrates around 530 BCE, as the earliest datable structure of this kind.
Prerequisite edge evidence
Edge/source evidence summary:
- Prerequisite edges: 3
- Average edge confidence: 68%
- Prerequisite sources: 2
- expert_inference: 3
| Prerequisite | Type | Confidence | Evidence level | Note | Sources |
|---|---|---|---|---|---|
| Classical Monumental Construction (construction) | enabling | 68% | expert_inference | Construction provides a capability that enables this technology without being the only possible path. |
|
| Sailing (sailing) | enabling | 68% | expert_inference | Sailing provides a capability that enables this technology without being the only possible path. | No sources recorded. |
| Hydraulics (hydraulics) | enabling | 68% | expert_inference | Hydraulics provides a capability that enables this technology without being the only possible path. |
|
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