{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/113102"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/113102","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Role of sediment oxygen demand on the oxygen balance in the North Shore Channel of Chicago","abstract":"When dissolved oxygen (DO) levels fall below a certain point, fish and wildlife are at risk. While many factors contribute directly to the oxygen sink, sediment oxygen demand (SOD) is suspected of being a significant factor along slower-moving channels with substantial organic sediment accumulation. The North Shore Channel of Chicago is of particular interest due to the conditions of this waterway. The channel is blocked off from Lake Michigan to protect the lake from an aquatic nuisance species, the Asian carp. The channel also has Combined Sewer Overflows (CSO) that release pollution from the city during larger storm events. By understanding the role of SOD in the North Shore Channel, engineers may be able to make decisions about intermittent pumping that would allow for reaeration of the channel and thus improve water quality. A bottom sampler used to measure SOD was designed and constructed at the University of Illinois at Urbana-Champaign. The SOD chamber encloses a controlled volume of water over a specific surface area and measures the DO within the water column over time. The chamber is lowered from a boat and sealed to the bed of the channel. A closed loop system enables flow to enter and exit the controlled volume: enough to create mixing, but not to the point of sediment resuspension. Measurements were taken at two locations downstream of CSOs to look at higher SOD values. These measurements are analyzed using a Streeter-Phelps model so the role of SOD can be evaluated. The results show how SOD may be a root cause for the oxygen sink to reach a dangerous level, and therefore could impact engineers’ decisions on how to oxygenate the water when considering invasive species mitigation alternatives or control of flow under certain conditions.","abstract_html":"When dissolved oxygen (DO) levels fall below a certain point, fish and wildlife are at risk. While many factors contribute directly to the oxygen sink, sediment oxygen demand (SOD) is suspected of being a significant factor along slower-moving channels with substantial organic sediment accumulation. The North Shore Channel of Chicago is of particular interest due to the conditions of this waterway. The channel is blocked off from Lake Michigan to protect the lake from an aquatic nuisance species, the Asian carp. The channel also has Combined Sewer Overflows (CSO) that release pollution from the city during larger storm events. By understanding the role of SOD in the North Shore Channel, engineers may be able to make decisions about intermittent pumping that would allow for reaeration of the channel and thus improve water quality. A bottom sampler used to measure SOD was designed and constructed at the University of Illinois at Urbana-Champaign. The SOD chamber encloses a controlled volume of water over a specific surface area and measures the DO within the water column over time. The chamber is lowered from a boat and sealed to the bed of the channel. A closed loop system enables flow to enter and exit the controlled volume: enough to create mixing, but not to the point of sediment resuspension. Measurements were taken at two locations downstream of CSOs to look at higher SOD values. These measurements are analyzed using a Streeter-Phelps model so the role of SOD can be evaluated. The results show how SOD may be a root cause for the oxygen sink to reach a dangerous level, and therefore could impact engineers’ decisions on how to oxygenate the water when considering invasive species mitigation alternatives or control of flow under certain conditions.","abstract_has_math":false,"creators":["Terrell, Aaron Thomas"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Environ Engr in Civil Engr","degree_department":null,"school":null,"contributors":["Garcia, Marcelo H"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2022,"date_issued":"2022-01-12T21:47:03Z","date_published":"2022-01-12T21:47:03Z","updated_at":"2026-07-22T22:24:53Z","subjects":["sediment oxygen demand","aaron","terrell","oxygen deficit","dissolved oxygen","SOD","chamber","North Shore Channel","Chicago","oxygen","bottom sampler"],"languages":["en"],"rights":["Copyright 2021 Aaron Terrell"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/113102","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Garcia, Marcelo H"]},{"key":"dc:creator","label":"Author","values":["Terrell, Aaron Thomas"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2022-01-12T21:47:03Z","2021-07-23","2021-08"]},{"key":"dc:type","label":"Dc Type","values":["text","Thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Environ Engr in Civil Engr"]},{"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":["sediment oxygen demand","aaron","terrell","oxygen deficit","dissolved oxygen","SOD","chamber","North Shore Channel","Chicago","oxygen","bottom sampler"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2021 Aaron Terrell"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/113102"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["When dissolved oxygen (DO) levels fall below a certain point, fish and wildlife are at risk. While many factors contribute directly to the oxygen sink, sediment oxygen demand (SOD) is suspected of being a significant factor along slower-moving channels with substantial organic sediment accumulation. The North Shore Channel of Chicago is of particular interest due to the conditions of this waterway. The channel is blocked off from Lake Michigan to protect the lake from an aquatic nuisance species, the Asian carp. The channel also has Combined Sewer Overflows (CSO) that release pollution from the city during larger storm events. By understanding the role of SOD in the North Shore Channel, engineers may be able to make decisions about intermittent pumping that would allow for reaeration of the channel and thus improve water quality. A bottom sampler used to measure SOD was designed and constructed at the University of Illinois at Urbana-Champaign. The SOD chamber encloses a controlled volume of water over a specific surface area and measures the DO within the water column over time. The chamber is lowered from a boat and sealed to the bed of the channel. A closed loop system enables flow to enter and exit the controlled volume: enough to create mixing, but not to the point of sediment resuspension. Measurements were taken at two locations downstream of CSOs to look at higher SOD values. These measurements are analyzed using a Streeter-Phelps model so the role of SOD can be evaluated. The results show how SOD may be a root cause for the oxygen sink to reach a dangerous level, and therefore could impact engineers’ decisions on how to oxygenate the water when considering invasive species mitigation alternatives or control of flow under certain conditions.","Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-01-12 without embargo terms","The student, Aaron Terrell, accepted the attached license on 2021-07-22 at 21:59.","The student, Aaron Terrell, submitted this Thesis for approval on 2021-07-22 at 22:33.","This Thesis was approved for publication on 2021-07-23 at 09:16.","DSpace SAF Submission Ingestion Package generated from Vireo submission #17077 on 2022-01-12 at 12:46:57","Made available in DSpace on 2022-01-12T21:47:03Z (GMT). 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The North Shore Channel of Chicago is of particular interest due to the conditions of this waterway. The channel is blocked off from Lake Michigan to protect the lake from an aquatic nuisance species, the Asian carp. The channel also has Combined Sewer Overflows (CSO) that release pollution from the city during larger storm events. By understanding the role of SOD in the North Shore Channel, engineers may be able to make decisions about intermittent pumping that would allow for reaeration of the channel and thus improve water quality. A bottom sampler used to measure SOD was designed and constructed at the University of Illinois at Urbana-Champaign. The SOD chamber encloses a controlled volume of water over a specific surface area and measures the DO within the water column over time. The chamber is lowered from a boat and sealed to the bed of the channel. A closed loop system enables flow to enter and exit the controlled volume: enough to create mixing, but not to the point of sediment resuspension. Measurements were taken at two locations downstream of CSOs to look at higher SOD values. These measurements are analyzed using a Streeter-Phelps model so the role of SOD can be evaluated. The results show how SOD may be a root cause for the oxygen sink to reach a dangerous level, and therefore could impact engineers’ decisions on how to oxygenate the water when considering invasive species mitigation alternatives or control of flow under certain conditions.","Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-01-12 without embargo terms","The student, Aaron Terrell, accepted the attached license on 2021-07-22 at 21:59.","The student, Aaron Terrell, submitted this Thesis for approval on 2021-07-22 at 22:33.","This Thesis was approved for publication on 2021-07-23 at 09:16.","DSpace SAF Submission Ingestion Package generated from Vireo submission #17077 on 2022-01-12 at 12:46:57","Made available in DSpace on 2022-01-12T21:47:03Z (GMT). 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