Raised shoreline




An ancient shoreline exposed above current water level.

A raised shoreline is an ancient shoreline exposed above current water level.[1] These landforms are formed by a relative change in sea level due to global sea level rise, isostatic rebound, and/or tectonic uplift. These surfaces are usually exposed above modern sea level when a heavily glaciated area experiences a glacial retreat, causing water levels to rise. This area will then experience post-glacial rebound, effectively
raising the shoreline surface.

Examples of raised shorelines can be found along the coasts of formerly glaciated areas in Ireland[2] and Scotland, as well as in North America. Raised shorelines are exposed at various locations around the Puget Sound of Washington State.[3]



Related links



  • Isostasy

  • Landform

  • Machair

  • Marine terrace

  • Parallel Roads of Glen Roy

  • Raised beaches

  • Terrace (geology)

  • Terrace (geology)

  • wave-cut platform



References





  1. ^ http://www.encyclopedia.com/doc/1O112-raisedshorelines.html


  2. ^ http://www.askaboutireland.ie/.../changing-sea-levels/[permanent dead link]


  3. ^ Kovanen, Dori J.; Slaymaker, Olav (December 2004). "Relict shorelines and ice flow patterns of the northern puget lowland from lidar data and digital terrain modelling". Geografiska Annaler: Series A, Physical Geography. 86 (4): 385–400. doi:10.1111/j.0435-3676.2004.00239.x. ISSN 0435-3676. Archived from the original on 2013-01-05..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output .citation q{quotes:"""""""'""'"}.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-maint{display:none;color:#33aa33;margin-left:0.3em}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}










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