{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,18]],"date-time":"2026-01-18T04:20:05Z","timestamp":1768710005297,"version":"3.49.0"},"reference-count":23,"publisher":"American Geophysical Union (AGU)","issue":"10","license":[{"start":{"date-parts":[[2006,10,6]],"date-time":"2006-10-06T00:00:00Z","timestamp":1160092800000},"content-version":"vor","delay-in-days":5,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Water Resources Research"],"published-print":{"date-parts":[[2006,10]]},"abstract":"<jats:p>New clear\u2010water tests on abutment scour are presented. Thirty\u2010one tests with sand bed and nine tests with lightweight pumice bed were carried out in a 28\u2010m\u2010long, 4\u2010m\u2010wide flume. Tests typically lasted for 1 week or more. Vertical\u2010wall abutments with length\u2010to\u2010depth <jats:italic>L<\/jats:italic>\/<jats:italic>d<\/jats:italic> ratios from 9 up to 36 were used. Other test campaigns in the literature are added to the data, focusing on abutments with 2 &lt; <jats:italic>L<\/jats:italic>\/<jats:italic>d<\/jats:italic> &lt; 100. The critical flow for scour inception at the abutment nose is found to decrease as <jats:italic>L<\/jats:italic>\/<jats:italic>d<\/jats:italic> increases. The whole data are analyzed for searching the equilibrium scour depths with different methods. The slope change in the plot of scour depth against the logarithm of time is the method selected. For the group of tests run close to the threshold condition, some trends regarding the dimensionless equilibrium scour depth are (1) dependence on the bed material specific gravity in the sense that pumice tests produce less scour and (2) increase of the scour depth as <jats:italic>L<\/jats:italic>\/<jats:italic>d<\/jats:italic> increases. Finally, the morphology of the scour area in terms of volume and plan dimensions is given by new regression equations.<\/jats:p>","DOI":"10.1029\/2005wr004443","type":"journal-article","created":{"date-parts":[[2006,10,5]],"date-time":"2006-10-05T21:34:26Z","timestamp":1160084066000},"source":"Crossref","is-referenced-by-count":45,"title":["Local scour at vertical\u2010wall abutments under clear\u2010water flow conditions"],"prefix":"10.1029","volume":"42","author":[{"given":"Cristina Maria Sena","family":"Fael","sequence":"first","affiliation":[{"name":"Department of Civil Engineering Universidade da Beira Interior  Covilh\u00e3 Portugal"}]},{"given":"Gonzalo","family":"Simarro\u2010Grande","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering Universidad de Castilla\u2013La Mancha  Ciudad Real Spain"}]},{"given":"Juan\u2010Pedro","family":"Mart\u00edn\u2010Vide","sequence":"additional","affiliation":[{"name":"Hydraulic Department, Civil Engineering School Universitat Polit\u00e8cnica de Catalunya  Barcelona Spain"}]},{"given":"Ant\u00f3nio Heleno","family":"Cardoso","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering and Architecture Instituto Superior T\u00e9cnico  Lisbon Portugal"}]}],"member":"13","published-online":{"date-parts":[[2006,10,6]]},"reference":[{"key":"e_1_2_8_2_1","unstructured":"Bertoldi D. 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