This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: Occurs as water shoals Wave energy is focused or concentrated o headlands Tends to straighten irregular coastlines over time. • Emergent vs. Submergent o Emergent Coasts – marine terrace Coast is rising relative to sea level. o Submergent Coasts Coast is sinking relative to seal level. o Tectonic activity – can move land up or down making it emergent or submergent. Effect is local o Isostatic change – loading or unloading of land surface – usually by glacial ise. Effect is local. o Eustatic change – change in seal level usually linked to climate change. Effect is global. o Effect on a coastline is usually the result of a combination of factors. • We are sconday – erosional – emergent....
View Full Document
- Fall '07
- Coast, Submergent Coasts Coast, Emergent Coasts, Wave Refraction Waves, Onshore Current Longshore Current, Direct Wave Activity