{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/44237"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/44237","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Monitoring tracer stones through the potholes of Fall Creek Gorge near Williamsport, Indiana","abstract":"We document coarse sediment transport through Fall Creek Gorge, a bedrock channel step-pool system with deep and complex pothole structures located in western Indiana. Tracer clasts are embedded with Passive Integrated Transponder (PIT) tags using our new highly successful and efficient method for drilling holes into small (~ 10 mm) clasts. Repeated surveys of bed topography record deposition and erosion of sediment within potholes. Tracer clasts introduced upstream of the potholes were transported through the reach over a period of a few weeks: we see no evidence for individual coarse sediment particles having long residence times within potholes. Initial transport of tracer clasts was accompanied by a spatially extensive aggradational event. We develop a conceptual model for coarse sediment transport within Fall Creek gorge in which potholes are filled with fine sediment (sand and gravel) prior to initiation of coarser sediment transport. The fine sediment creates a temporary bridge allowing coarse particle to move through the reach without becoming trapped within potholes. We are in the early developmental stages for testing this model in a flume.","abstract_html":"We document coarse sediment transport through Fall Creek Gorge, a bedrock channel step-pool system with deep and complex pothole structures located in western Indiana. Tracer clasts are embedded with Passive Integrated Transponder (PIT) tags using our new highly successful and efficient method for drilling holes into small (~ 10 mm) clasts. Repeated surveys of bed topography record deposition and erosion of sediment within potholes. Tracer clasts introduced upstream of the potholes were transported through the reach over a period of a few weeks: we see no evidence for individual coarse sediment particles having long residence times within potholes. Initial transport of tracer clasts was accompanied by a spatially extensive aggradational event. We develop a conceptual model for coarse sediment transport within Fall Creek gorge in which potholes are filled with fine sediment (sand and gravel) prior to initiation of coarser sediment transport. The fine sediment creates a temporary bridge allowing coarse particle to move through the reach without becoming trapped within potholes. We are in the early developmental stages for testing this model in a flume.","abstract_has_math":false,"creators":["Slaven, Samuel"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Geology","degree_department":null,"school":null,"contributors":["Anders, Alison M."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2013,"date_issued":"2013-05-24T21:55:11Z","date_published":"2013-05-24T21:55:11Z","updated_at":"2026-07-22T22:25:33Z","subjects":["Potholes","Step-pool system","Tracer stones","Radio frequency identification (RFID) tracer stones","Tracer clasts","coarse sediment transport","Fall Creek Gorge","Passive integrated transponder (PIT) tracer stones"],"languages":["en"],"rights":["Copyright 2013 Samuel Slaven"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/44237","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Anders, Alison M."]},{"key":"dc:creator","label":"Author","values":["Slaven, Samuel"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2013-05-24T21:55:11Z","2013-05"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Geology"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Potholes","Step-pool system","Tracer stones","Radio frequency identification (RFID) tracer stones","Tracer clasts","coarse sediment transport","Fall Creek Gorge","Passive integrated transponder (PIT) tracer stones"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2013 Samuel Slaven"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/44237"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["We document coarse sediment transport through Fall Creek Gorge, a bedrock channel step-pool system with deep and complex pothole structures located in western Indiana. 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We are in the early developmental stages for testing this model in a flume.","Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2013-04-26T18:58:11Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 2 Slaven_Samuel.doc: 7221760 bytes, checksum: 616c377e972fd2c1492d16f83155d50c (MD5) Slaven_Samuel.pdf: 29679128 bytes, checksum: 05834c69e216689323137b166f2843bf (MD5)","Made available in DSpace on 2013-05-24T21:55:11Z (GMT). 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Tracer clasts introduced upstream of the potholes were transported through the reach over a period of a few weeks: we see no evidence for individual coarse sediment particles having long residence times within potholes. Initial transport of tracer clasts was accompanied by a spatially extensive aggradational event. We develop a conceptual model for coarse sediment transport within Fall Creek gorge in which potholes are filled with fine sediment (sand and gravel) prior to initiation of coarser sediment transport. The fine sediment creates a temporary bridge allowing coarse particle to move through the reach without becoming trapped within potholes. 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