{"corpus_id":134008444,"paper_sha":"0c85f310e62e18e65ad190e67ec620b2b33d9b38","doi":"10.1080/02626667.2018.1557336","arxiv_id":null,"pmid":null,"pmcid":null,"mag_id":2904332529,"dblp_id":null,"acl_id":null,"title":"Empirical assessment of flood wave celerity–discharge relationships at local and reach scales","year":2018,"publication_date":"2018-12-07","venue":"Hydrological Sciences Journal","journal":{"name":"Hydrological Sciences Journal","pages":"2035 - 2047","volume":"63"},"journal_issn":null,"journal_title":null,"publication_types":["Review"],"pubmed_pub_types":null,"s2_fields_of_study":["Environmental Science"],"reference_count":50,"citation_count":19,"influential_citation_count":4,"is_open_access":true,"arxiv_categories":null,"arxiv_license":null,"arxiv_journal_ref":null,"mesh_headings":null,"chemicals":null,"comments_corrections":null,"source_flags":1,"s2_open_access_pdf_url":"https://www.tandfonline.com/doi/pdf/10.1080/02626667.2018.1557336?needAccess=true","s2_open_access_landing_url":"https://www.semanticscholar.org/paper/0c85f310e62e18e65ad190e67ec620b2b33d9b38","s2_open_access_license":null,"s2_open_access_status":"BRONZE","pmc_open_access_pdf_url":null,"pmc_open_access_landing_url":null,"pmc_open_access_license":null,"pmc_open_access_status":null,"unpaywall_open_access_pdf_url":null,"unpaywall_open_access_landing_url":null,"unpaywall_open_access_license":null,"unpaywall_open_access_status":null,"abstract":"ABSTRACT An accurate comprehension of celerity (flood wave speed) dynamics is a key step for understanding flood wave propagation in rivers. We present the results of empirically estimated celerity values in 12 Brazilian rivers, and analyse the behaviour of celerity–discharge relationships (CxQ). Celerity was estimated with a reach-scale (RS) method, based on the peak travel time between stations; and with a local-scale (LS) method, based on the derivative of discharge–cross-section area relationships surveyed at gauging stations. The results indicate that the magnitudes of celerity values obtained by the methods are reasonably comparable, and can rarely be considered constant, varying with river discharge. Three reaches presented differing CxQ relationships at local and reach scales, which suggests that in situ cross-sections at gauging stations should not be extrapolated as representative of the whole reach for flood routing studies, and that CxQ relationship assessments might provide relevant insights for hydrological modelling.","claims":[{"public_id":"cl_1d9aac14d39130e03b7c2efc29358316","status":"active","text":"Assessment of celerity–discharge relationships can provide relevant insights for hydrological modelling.","confidence":0.84,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_1d9aac14d39130e03b7c2efc29358316"},{"public_id":"cl_8a1755856ae5ea2214c48a5b4ac27f4e","status":"active","text":"Celerity is rarely constant and varies with river discharge in the analysed celerity–discharge relationships.","confidence":0.97,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_8a1755856ae5ea2214c48a5b4ac27f4e"},{"public_id":"cl_e788e0e0b6d4208c6d6b6026e61c001d","status":"active","text":"Celerity values estimated by the reach-scale and local-scale methods are reasonably comparable in the studied rivers.","confidence":0.94,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_e788e0e0b6d4208c6d6b6026e61c001d"},{"public_id":"cl_6bb6c993156fc7365af4b1d344c21c1a","status":"active","text":"In situ cross-sections at gauging stations should not be extrapolated as representative of the whole reach for flood routing studies.","confidence":0.88,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_6bb6c993156fc7365af4b1d344c21c1a"},{"public_id":"cl_ca98e696a222bd0416502fdfd5bd2a20","status":"active","text":"Three reaches showed different celerity–discharge relationships at local and reach scales.","confidence":0.91,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_ca98e696a222bd0416502fdfd5bd2a20"}],"concepts":[{"public_id":"co_13718af31b0026dec319f218298c8ae0","status":"active","name":"local-scale method","description":"A method for estimating celerity from the derivative of discharge–cross-section area relationships at gauging stations.","types":["method"],"aliases":["LS 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stations.","types":["scale"],"aliases":["RS"],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_6d57dc139c1cae466a62aba35984e455"},{"public_id":"co_714ad102f609a9d17b2385bb52d4c8a6","status":"active","name":"flood routing studies","description":"Studies that analyze how flood waves move through river networks for prediction and management.","types":["study area"],"aliases":[],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_714ad102f609a9d17b2385bb52d4c8a6"},{"public_id":"co_7a485633ed073a4ff7814719abd26dc9","status":"active","name":"celerity–discharge relationships","description":"Empirical relationships between flood wave celerity and river 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