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Testing the impacts of wildfire on hydrological and sediment response using the OpenLISEM model. Part 1: Calibration and evaluation for a burned Mediterranean forest catchment

2021-12Artigo científico Acesso aberto
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dc.contributor.authorWu, Jinfeng
dc.contributor.authorNunes, João Pedro
dc.contributor.authorBaartman, Jantiene
dc.contributor.authorFaúndez Urbina, C.A.
dc.date.accessioned2021-09-08T12:53:26Z
dc.date.available2023-12-01T01:31:22Z
dc.date.issued2021-12
dc.description.abstractModels are typically applied to estimate the potential adverse effects of fire on land degradation and water resources and the potential benefits of post-wildfire rehabilitation treatments. However, few modeling studies have been conducted for meso-scale catchments, and only a fraction of these studies include transport and deposition of eroded material within the catchment or represent spatial erosion patterns. This study presents an application and evaluation of the OpenLISEM physically-based and spatially-distributed hydrological and soil erosion model for a burned Mediterranean meso-scale catchment (18.5 km2) in a data-scarce environment, using a robust parameterization and calibration procedure: (1) integrating satellite imagery and the topographic wetness index to support model parameterization; (2) event-based automated calibration using the Model-Independent Parameter Estimation and Uncertainty Analysis and parameters ensemble for before and after the fire; (3) a jack-knife cross-validation for model evaluation. The study shows that this procedure used in OpenLISEM provides reasonable results for pre- and post-wildfire catchment discharge and sediment transport (r2 and NSE > 0.5; absolute PBIAS < 25% for discharge and 55% for sediment transport). This may serve the needs of model applications in data-scarce burned areas. The results also provide recommended model parameters for burned areas with high severity such as random roughness (rr) = 2.41cm, and slope manning’s n (n) = 0.038; or post-wildfire to pre-wildfire ratios of model parameters such as saturated hydraulic conductivity (Ks) = 0.98×, channel manning’s n (chn) = 0.44×, grain size (d50) = 0.61×. The simulation results indicate that wildfire did not lead to significantly enhanced hydrological responses and soil erosion at the catchment outlet, partly explained by the spatial patterns of soil erosion. For both pre- and post-wildfire conditions, higher soil erosion was simulated in areas located far from the catchment outlet. The wildfire led to enhanced hillslope erosion, mostly in the upper part of the catchment, providing ample opportunities for transported sediment to deposit before reaching the outlet.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationWu J., Nunes J.P., Baartman J.E.M., Faúndez Urbina C.A. 2021. Testing the impacts of wildfire on hydrological and sediment response using the OpenLISEM model. Part 1: Calibration and evaluation for a burned Mediterranean forest catchment. Catena 207: 105658 (DOI: 10.1016/j.catena.2021.105658).pt_PT
dc.identifier.doi10.1016/j.catena.2021.105658pt_PT
dc.identifier.urihttp://hdl.handle.net/10451/49452
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationCSC: 201806350161pt_PT
dc.relationFCT IF/00586/2015pt_PT
dc.relationFCT PCIF/MPG/0044/2018pt_PT
dc.relationFCT UIDB/00329/2020pt_PT
dc.relationCONICYT PFCHA/Doctorado Becas Chile/2015 – 72160322pt_PT
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.catena.2021.105658pt_PT
dc.subjectHydrological eventspt_PT
dc.subjectSoil erosionpt_PT
dc.subjectModel calibrationpt_PT
dc.subjectJack-knife cross-validationpt_PT
dc.subjectCatchment scalept_PT
dc.titleTesting the impacts of wildfire on hydrological and sediment response using the OpenLISEM model. Part 1: Calibration and evaluation for a burned Mediterranean forest catchmentpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.startPage105658pt_PT
oaire.citation.titleCATENApt_PT
oaire.citation.volume207pt_PT
person.familyNameWu
person.familyNameCarvalho Nunes
person.familyNameBaartman
person.givenNameJinfeng
person.givenNameJoão Pedro
person.givenNameJantiene
person.identifierA-5497-2011
person.identifier.ciencia-id2911-5CBD-5FA9
person.identifier.orcid0000-0002-2875-8628
person.identifier.orcid0000-0002-0164-249X
person.identifier.orcid0000-0001-6051-8619
person.identifier.scopus-author-id7102878032
person.identifier.scopus-author-id23468621900
rcaap.embargofctO tipo de licença envolvido com a editora Elsevier para esta revista, não envolvendo pagamento (APC), apenas permite acesso em repositório público do formato 'aceite' (i.e não editado e paginado pela editora) após período de embargo de 24 meses após a data da sua publicação final.pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication1ddde631-8331-4c8a-8581-dd5c5b6db07b
relation.isAuthorOfPublicationff741d71-8daf-4dbe-aec4-f4b9697072c5
relation.isAuthorOfPublication761a2567-8b75-40be-b76d-1ec9bfab56f2
relation.isAuthorOfPublication.latestForDiscoveryff741d71-8daf-4dbe-aec4-f4b9697072c5

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