Fine Sediment Production During Urban Development: The Damage Is Done Early

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Abstract

Abstract Sediment production is often intensified in peri-urban areas, due to the transition from predominantly rural to urbanized landscapes. Although sediment dynamics in urbanizing areas remain complex and poorly understood, urban development can generate significant fine sediment, emphasizing the importance of monitoring the impacts of each stage of urban development. We monitored suspended solids concentration and loads in six stormwater drainage systems with small, street-scale catchments for six months using low-cost automatic monitoring stations in southeast Australia. The study was conducted in a peri-urban area undergoing urbanization, where different stages of urban development were observed, ranging from bulk earthworks and road construction to fully urbanized sites. The results showed that during urbanization, event mean suspended solids concentrations commonly exceeds 5 g/L (~ 100x more than fully urbanized sites). Suspended solids yields (SSY) in early-stage urbanization areas can be up to 30 times higher than in fully developed areas. The median particle size of sediments in early development stages was up to six times finer than those in the later development stages. The results highlight that early urbanization stages contribute significantly to fine sediment production, presenting a high risk to sensitive water bodies. The findings highlight the value of combining innovative IoT (Internet of Things) monitoring technologies, with geospatial and time series analysis to better understand sediment dynamics in a complex and rapidly urbanizing landscape. Additionally, the findings underscore that erosion and sediment control measures are vital, particularly during the early stages of urbanization, requiring proactive management throughout this process to mitigate fine sediment impacts and protect downstream waterbodies.
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R. M. Silva, Kathryn L. Russell, Tim D. Fletcher, Oldrich Navratil, and 3 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-7644060/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 08 Jan, 2026 Read the published version in Environmental Monitoring and Assessment → Version 1 posted 11 You are reading this latest preprint version Abstract Sediment production is often intensified in peri-urban areas, due to the transition from predominantly rural to urbanized landscapes. Although sediment dynamics in urbanizing areas remain complex and poorly understood, urban development can generate significant fine sediment, emphasizing the importance of monitoring the impacts of each stage of urban development. We monitored suspended solids concentration and loads in six stormwater drainage systems with small, street-scale catchments for six months using low-cost automatic monitoring stations in southeast Australia. The study was conducted in a peri-urban area undergoing urbanization, where different stages of urban development were observed, ranging from bulk earthworks and road construction to fully urbanized sites. The results showed that during urbanization, event mean suspended solids concentrations commonly exceeds 5 g/L (~ 100x more than fully urbanized sites). Suspended solids yields (SSY) in early-stage urbanization areas can be up to 30 times higher than in fully developed areas. The median particle size of sediments in early development stages was up to six times finer than those in the later development stages. The results highlight that early urbanization stages contribute significantly to fine sediment production, presenting a high risk to sensitive water bodies. The findings highlight the value of combining innovative IoT (Internet of Things) monitoring technologies, with geospatial and time series analysis to better understand sediment dynamics in a complex and rapidly urbanizing landscape. Additionally, the findings underscore that erosion and sediment control measures are vital, particularly during the early stages of urbanization, requiring proactive management throughout this process to mitigate fine sediment impacts and protect downstream waterbodies. peri-urban areas stormwater suspended solids yield particle size distribution monitoring low-cost sensor Full Text Additional Declarations No competing interests reported. Supplementary Files SupplementarymaterialSilvaet.al..docx Cite Share Download PDF Status: Published Journal Publication published 08 Jan, 2026 Read the published version in Environmental Monitoring and Assessment → Version 1 posted Editorial decision: Revision requested 29 Oct, 2025 Reviews received at journal 21 Oct, 2025 Reviews received at journal 19 Oct, 2025 Reviews received at journal 09 Oct, 2025 Reviewers agreed at journal 03 Oct, 2025 Reviewers agreed at journal 01 Oct, 2025 Reviewers agreed at journal 30 Sep, 2025 Reviewers invited by journal 30 Sep, 2025 Editor assigned by journal 22 Sep, 2025 Submission checks completed at journal 22 Sep, 2025 First submitted to journal 17 Sep, 2025 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. 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Assessment","twitterHandle":"","acdcEnabled":true,"dfaEnabled":true,"editorialSystem":"em","reportingPortfolio":"Springer Hybrid","inReviewEnabled":true,"inReviewRevisionsEnabled":false},"keywords":"peri-urban areas, stormwater, suspended solids yield, particle size distribution, monitoring, low-cost sensor","lastPublishedDoi":"10.21203/rs.3.rs-7644060/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-7644060/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003eSediment production is often intensified in peri-urban areas, due to the transition from predominantly rural to urbanized landscapes. Although sediment dynamics in urbanizing areas remain complex and poorly understood, urban development can generate significant fine sediment, emphasizing the importance of monitoring the impacts of each stage of urban development. We monitored suspended solids concentration and loads in six stormwater drainage systems with small, street-scale catchments for six months using low-cost automatic monitoring stations in southeast Australia. The study was conducted in a peri-urban area undergoing urbanization, where different stages of urban development were observed, ranging from bulk earthworks and road construction to fully urbanized sites. The results showed that during urbanization, event mean suspended solids concentrations commonly exceeds 5 g/L (~\u0026thinsp;100x more than fully urbanized sites). Suspended solids yields (SSY) in early-stage urbanization areas can be up to 30 times higher than in fully developed areas. The median particle size of sediments in early development stages was up to six times finer than those in the later development stages. The results highlight that early urbanization stages contribute significantly to fine sediment production, presenting a high risk to sensitive water bodies. The findings highlight the value of combining innovative IoT (Internet of Things) monitoring technologies, with geospatial and time series analysis to better understand sediment dynamics in a complex and rapidly urbanizing landscape. Additionally, the findings underscore that erosion and sediment control measures are vital, particularly during the early stages of urbanization, requiring proactive management throughout this process to mitigate fine sediment impacts and protect downstream waterbodies.\u003c/p\u003e","manuscriptTitle":"Fine Sediment Production During Urban Development: The Damage Is Done Early","msid":"","msnumber":"","nonDraftVersions":[{"code":1,"date":"2025-09-24 08:36:48","doi":"10.21203/rs.3.rs-7644060/v1","editorialEvents":[{"type":"communityComments","content":0},{"type":"decision","content":"Revision requested","date":"2025-10-30T00:31:49+00:00","index":"","fulltext":""},{"type":"editorInvitedReview","content":"","date":"2025-10-21T10:13:23+00:00","index":"hide","fulltext":""},{"type":"editorInvitedReview","content":"","date":"2025-10-20T03:32:46+00:00","index":"hide","fulltext":""},{"type":"editorInvitedReview","content":"","date":"2025-10-09T13:33:16+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"295340703000003721959019874760695032833","date":"2025-10-03T12:05:39+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"180455944798813756182758988960770952941","date":"2025-10-01T13:33:49+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"188648579007422889109271715623743658180","date":"2025-09-30T22:35:45+00:00","index":"hide","fulltext":""},{"type":"reviewersInvited","content":"","date":"2025-09-30T18:32:23+00:00","index":"","fulltext":""},{"type":"editorAssigned","content":"","date":"2025-09-22T12:11:29+00:00","index":"","fulltext":""},{"type":"checksComplete","content":"","date":"2025-09-22T12:11:11+00:00","index":"","fulltext":""},{"type":"submitted","content":"Environmental Monitoring and Assessment","date":"2025-09-18T01:07:51+00:00","index":"","fulltext":""}],"status":"published","journal":{"display":true,"email":"[email protected]","identity":"environmental-monitoring-and-assessment","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":false,"externalIdentity":"emas","sideBox":"Learn more about [Environmental Monitoring and Assessment](http://link.springer.com/journal/10661)","snPcode":"10661","submissionUrl":"https://submission.nature.com/new-submission/10661/3","title":"Environmental Monitoring and Assessment","twitterHandle":"","acdcEnabled":true,"dfaEnabled":true,"editorialSystem":"em","reportingPortfolio":"Springer Hybrid","inReviewEnabled":true,"inReviewRevisionsEnabled":false}}],"origin":"","ownerIdentity":"af938bd4-0f18-4418-971a-f429fc418f26","owner":[],"postedDate":"September 24th, 2025","published":true,"recentEditorialEvents":[],"rejectedJournal":[],"revision":"","amendment":"","status":"published-in-journal","subjectAreas":[],"tags":[],"updatedAt":"2026-01-12T16:06:28+00:00","versionOfRecord":{"articleIdentity":"rs-7644060","link":"https://doi.org/10.1007/s10661-025-14893-8","journal":{"identity":"environmental-monitoring-and-assessment","isVorOnly":false,"title":"Environmental Monitoring and Assessment"},"publishedOn":"2026-01-08 15:59:18","publishedOnDateReadable":"January 8th, 2026"},"versionCreatedAt":"2025-09-24 08:36:48","video":"","vorDoi":"10.1007/s10661-025-14893-8","vorDoiUrl":"https://doi.org/10.1007/s10661-025-14893-8","workflowStages":[]},"version":"v1","identity":"rs-7644060","journalConfig":"researchsquare"},"__N_SSP":true},"page":"/article/[identity]/[[...version]]","query":{"redirect":"/article/rs-7644060","identity":"rs-7644060","version":["v1"]},"buildId":"8U1c8b4HqxoKbykW_rLl7","isFallback":false,"isExperimentalCompile":false,"dynamicIds":[84888],"gssp":true,"scriptLoader":[]}

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