key terms 5 - Key Terms: Coastal Environments Estuary A...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Key Terms: Coastal Environments Estuary – A partially enclosed coastal body of water in which freshwater runoff dilutes salty ocean water. Examples of estuaries include river mouths, bays, inlets, gulfs, and sounds. Bar-built estuary – A shallow estuary; separated from the open ocean by sand bars that are deposited parallel to the coast by wave action. Lagoons that separate barrier islands from the mainland are bar-built estuaries. Coastal plain estuary – Forms as sea level rises and floods existing river valleys. These estuaries are called drowned river valleys (Chesapeake Bay). Estuarine circulation pattern – A flow pattern in an estuary characterized by a net surface flow of low-salinity water toward the ocean and an opposite net subsurface flow of seawater toward the head of the estuary. Fjord – A long, narrow, deep, U-shaped inlet that usually represents the seaward end of a glacial valley that has become partially submerged after the melting of the glacier. Lagoon – A shallow stretch of seawater partly or completely separated from the
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/01/2008 for the course GEOG 30C taught by Professor Trist during the Fall '06 term at University of California, Berkeley.

Page1 / 2

key terms 5 - Key Terms: Coastal Environments Estuary A...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online