42 terms in 2B
Coastal Erosion
Coastal erosion involves the mechanical, chemical, and biological processes removing sediment and rock from coastlines.
Coastal Landscapes and Change
Coastal Management
Coastal management encompasses approaches to reduce coastal hazards and sustain coastal resources. Strategies include ha
Coastal Landscapes and Change
Wave Processes
Wave processes involve the generation of waves by wind, their propagation across oceans, transformation in shallow water
Coastal Landscapes and Change
Weathering Processes
Weathering involves the breakdown and alteration of rock in situ through physical, chemical, and biological processes. I
Coastal Landscapes and Change
2B.11: Hard Engineering (Coastal)
Engineering-based coastal protection approaches using constructed barriers and structures to defend against erosion and
Coastal Landscapes and Change
2B.11: Hard Engineering (Coastal)
Sustainable coastal protection methods that work with natural coastal processes rather than against them, using biologic
Coastal Landscapes and Change
2B.11: Hard Engineering (Coastal)
Coastal defense structures constructed perpendicular to the shoreline that interrupt longshore sediment transport and cr
Coastal Landscapes and Change
2B.11: Hard Engineering (Coastal)
Protective structures facing seaward that absorb wave energy through surface roughness and slope geometry, reducing eros
Coastal Landscapes and Change
2B.12: Integrated Coastal Zone Management (ICZM)
A comprehensive framework for managing coastal areas that integrates environmental, economic, social, and governance con
Coastal Landscapes and Change
2B.12: Integrated Coastal Zone Management (ICZM)
An economic decision-making tool that quantifies and compares the economic costs and benefits of coastal management opti
Coastal Landscapes and Change
2B.12: Integrated Coastal Zone Management (ICZM)
A structured approach to predicting and evaluating how coastal projects will affect ecosystems, physical processes, and
Coastal Landscapes and Change
2B.4: Mass Movement
Mass movement encompasses the gravitational movement of rock, soil, and sediment down slopes. Types include rockfalls, s
Coastal Landscapes and Change
2B.4: Mass Movement
Waves with long wavelengths and low frequency that cause a net sediment gain on beaches. Constructive waves deposit more
Coastal Landscapes and Change
2B.4: Mass Movement
Waves generated by distant storms with short wavelengths and high frequency that cause a net sediment loss from beaches.
Coastal Landscapes and Change
2B.4: Mass Movement
A mechanical erosion process where water pressure in cracks and crevices compresses trapped air, which then explosively
Coastal Landscapes and Change
2B.4: Mass Movement
A process of mechanical erosion where sediment particles, suspended and rolled by wave action, scrape and grind against
Coastal Landscapes and Change
2B.4: Mass Movement
A process of sediment breakdown where particles collide during wave transport, fracturing and progressively reducing in
Coastal Landscapes and Change
2B.4: Mass Movement
A near-horizontal rock surface formed at the cliff base through concentrated mechanical and chemical erosion. The platfo
Coastal Landscapes and Change
2B.4: Mass Movement
A distinctive sequence of erosional landforms resulting from concentrated wave action on areas of weakness in coastal cl
Coastal Landscapes and Change
2B.5: Cliffs
Coastal cliffs are steep slopes or vertical rock faces formed by wave erosion and weathering. They represent areas where
Coastal Landscapes and Change
2B.5: Cliffs
Headlands are coastal protrusions formed from more resistant rock that juts seaward, while bays are curved indentations
Coastal Landscapes and Change
2B.5: Cliffs
Sea stacks are isolated rock towers formed from headlands by progressive erosion through cave and arch development, whil
Coastal Landscapes and Change
2B.5: Cliffs
The process of sediment transportation along the coast through a combination of swash directed at an angle to the shore
Coastal Landscapes and Change
2B.5: Cliffs
Strong offshore currents that form in response to the accumulation of water in the nearshore zone from breaking waves. T
Coastal Landscapes and Change
2B.5: Cliffs
A depositional landform consisting of a linear sediment ridge oriented roughly parallel to the coast, enclosing a lagoon
Coastal Landscapes and Change
2B.5: Cliffs
A dynamic coastal opening through which tidal currents flow between enclosed water bodies and the ocean, characterized b
Coastal Landscapes and Change
2B.5: Cliffs
A depositional landform created when sediment accumulates in the low-energy zone behind an island or rock, building a ri
Coastal Landscapes and Change
2B.5: Cliffs
A spit landform with a distinctive curve at its terminus, created when the sediment-transporting current is deflected by
Coastal Landscapes and Change
2B.5: Cliffs
Rhythmic bedforms on the beach face formed when standing wave patterns in the swash zone create lines of sediment conver
Coastal Landscapes and Change
2B.5: Cliffs
Erosional features on the continental shelf and slope that transport sediment and organic matter offshore, functioning a
Coastal Landscapes and Change
2B.5: Cliffs
A conceptual framework dividing the coast into units where sediment circulation occurs with minimal cross-boundary movem
Coastal Landscapes and Change
2B.5: Cliffs
A coastal segment demonstrating the Portland to Selsey sediment cell, illustrating sediment transfer from sources near P
Coastal Landscapes and Change
2B.5: Cliffs
Feedback mechanisms in coastal systems where an initial change triggers processes that amplify the change, accelerating
Coastal Landscapes and Change
2B.5: Cliffs
Feedback mechanisms that reduce or arrest coastal change, promoting dynamic equilibrium and preventing unlimited coastal
Coastal Landscapes and Change
2B.6: Beaches
Beaches are accumulations of sediment (sand or shingle) found at the coastline where wave energy has diminished, sedimen
Coastal Landscapes and Change
2B.6: Beaches
Spits are narrow ridges of sediment extending from land into deeper water or across a bay mouth, while bars are ridges f
Coastal Landscapes and Change
2B.7: Sea Level Change
Sea level change involves both eustatic (global changes in water volume) and isostatic (local changes in land elevation)
Coastal Landscapes and Change
2B.7: Sea Level Change
Post-glacial crustal adjustment where areas covered by thick ice sheets experience uplift following ice sheet melting, a
Coastal Landscapes and Change
2B.7: Sea Level Change
Worldwide alterations in ocean surface level resulting from changes in the total volume of water in ocean basins or chan
Coastal Landscapes and Change
2B.7: Sea Level Change
Coastal areas where relative sea level change has been negative, exposing previously submerged surfaces and creating dis
Coastal Landscapes and Change
2B.7: Sea Level Change
Coastal areas where relative sea level has risen, submerging terrestrial landscapes and creating distinctive drowned-val
Coastal Landscapes and Change