How and where do incised valleys form if sea level remains above the shelf edge?

Research Article| January 01, 1998 How and where do incised valleys form if sea level remains above the shelf edge? Peter J. Talling Peter J. Talling 1Department of Earth Science, Bristol University, Bristol BS8 1RJ, United Kingdom Search for other works by this author on: GSW Google Scholar Geology (1998) 26 (1): 87–90. https://doi.org/10.1130/0091-7613(1998)026<0087:HAWDIV>2.3.CO;2 Article history first online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share MailTo Twitter LinkedIn Tools Icon Tools Get Permissions Search Site Citation Peter J. Talling; How and where do incised valleys form if sea level remains above the shelf edge?. Geology 1998;; 26 (1): 87–90. doi: https://doi.org/10.1130/0091-7613(1998)026<0087:HAWDIV>2.3.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGeology Search Advanced Search Abstract Sequence stratigraphic models predict that during relative sea-level fall, rivers will cut incised valleys across the exposed continental shelf. Incision is driven by the exposure of convex-up topography and consequent downstream increases in stream power. Modern shelf profiles from passive-margin and foreland-basin settings show that profile convexities occur at the shelf edge and at the current highstand coastline (the coastal prism). In nonglacial times, which form much of Earth's history, it is unlikely that the shelf edge was subaerially exposed. During such periods, patterns of incision would have been primarily determined by the shape of the coastal prism. On the basis of modern shelf profiles from passive-margin and foreland-basin settings, river incision of as much as 20 to 70 m would be centered upon the preceding highstand coastline and would be restricted to the inner part of the shelf. Deeper incised valleys would only result from exposure of the shelf edge or from the processes involved in the formation of submarine canyons. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.