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1969•Geological Society of America BulletinRequires access

The Relationship between Natural Forested Slopes and Angles of Repose for Sand and Gravel

Perry H. Rahn

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Abstract

Research Article| October 01, 1969 The Relationship between Natural Forested Slopes and Angles of Repose for Sand and Gravel PERRY H RAHN PERRY H RAHN Department of Geology and Geological Engineering, South Dakota School of Mines and Technology, Rapid City, South Dakota 57701 Search for other works by this author on: GSW Google Scholar GSA Bulletin (1969) 80 (10): 2123–2128. https://doi.org/10.1130/0016-7606(1969)80[2123:TRBNFS]2.0.CO;2 Article history received: 14 Mar 1969 first online: 02 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation PERRY H RAHN; The Relationship between Natural Forested Slopes and Angles of Repose for Sand and Gravel. GSA Bulletin 1969;; 80 (10): 2123–2128. doi: https://doi.org/10.1130/0016-7606(1969)80[2123:TRBNFS]2.0.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 SocietyGSA Bulletin Search Advanced Search Abstract Students used Brunton compasses to measure the angles of repose in fresh sand and gravel talus exposed in artificial pits in a kame terrace near Willimantic, Connecticut. The angle of repose was found to average 33.08°, and is independent of exposure direction or material type. Measurements also were made on natural forested hillslopes of the same sand and gravel along a terrace scarp where the Nachaug River had cut into it. The hillslope averages 41.29° and is independent of exposure direction. The difference between the angle of repose and the natural hillslope is attributed to the stabilizing influence of the forest vegetation. 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.

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Research Article| October 01, 1969 The Relationship between Natural Forested Slopes and Angles of Repose for Sand and Gravel PERRY H RAHN PERRY H RAHN Department of Geology and Geological Engineering, South Dakota School of Mines and Technology, Rapid City, South Dakota 57701 Search for other works by this author on: GSW Google Scholar GSA Bulletin (1969) 80 (10): 2123–2128. https://doi.org/10.1130/0016-7606(1969)80[2123:TRBNFS]2.0.CO;2 Article history received: 14 Mar 1969 first online: 02 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation PERRY H RAHN; The Relationship between Natural Forested Slopes and Angles of Repose for Sand and Gravel. GSA Bulletin 1969;; 80 (10): 2123–2128. doi: https://doi.org/10.1130/0016-7606(1969)80[2123:TRBNFS]2.0.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 SocietyGSA Bulletin Search Advanced Search Abstract Students used Brunton compasses to measure the angles of repose in fresh sand and gravel talus exposed in artificial pits in a kame terrace near Willimantic, Connecticut. The angle of repose was found to average 33.08°, and is independent of exposure direction or material type. Measurements also were made on natural forested hillslopes of the same sand and gravel along a terrace scarp where the Nachaug River had cut into it. The hillslope averages 41.29° and is independent of exposure direction. The difference between the angle of repose and the natural hillslope is attributed to the stabilizing influence of the forest vegetation. 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.

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Research Article| October 01, 1969 The Relationship between Natural Forested Slopes and Angles of Repose for Sand and Gravel PERRY H RAHN PERRY H RAHN Department of Geology and Geological Engineering, South Dakota School of Mines and Technology, Rapid City, South Dakota 57701 Search for other works by this author on: GSW Google Scholar GSA Bulletin (1969) 80 (10): 2123–2128. https://doi.org/10.1130/0016-7606(1969)80[2123:TRBNFS]2.0.CO;2 Article history received: 14 Mar 1969 first online: 02 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation PERRY H RAHN; The Relationship between Natural Forested Slopes and Angles of Repose for Sand and Gravel. GSA Bulletin 1969;; 80 (10): 2123–2128. doi: https://doi.org/10.1130/0016-7606(1969)80[2123:TRBNFS]2.0.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 SocietyGSA Bulletin Search Advanced Search Abstract Students used Brunton compasses to measure the angles of repose in fresh sand and gravel talus exposed in artificial pits in a kame terrace near Willimantic, Connecticut. The angle of repose was found to average 33.08°, and is independent of exposure direction or material type. Measurements also were made on natural forested hillslopes of the same sand and gravel along a terrace scarp where the Nachaug River had cut into it. The hillslope averages 41.29° and is independent of exposure direction. The difference between the angle of repose and the natural hillslope is attributed to the stabilizing influence of the forest vegetation. 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.

Key concepts: Angle of repose, Terrace (agriculture), Geology, Citation, Icon, Mining engineering, Archaeology, Geomorphology

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