Drainage network evolution and reconstruction in an open pit kaolin mine at the edge of the Alto Tajo natural Park

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dc.contributor.authorZapico, Ignacio
dc.contributor.authorLaronne, Jonathan
dc.contributor.authorSánchez Castillo, Lázaro
dc.contributor.authorMartín Duque, José Francisco
dc.date.accessioned2023-06-16T14:15:41Z
dc.date.available2023-06-16T14:15:41Z
dc.date.issued2021-09
dc.description.abstractLandform instability of the abandoned Nuria kaolin mine, surrounding the Alto Tajo Natural Park in Spain, has caused frequent and severe environmental impacts due to deficient mining practices, environmental mismanagement and closure planning. Geomorphic instability has caused widespread soil erosion and elevated sediment yields with off-site effects. We quantified such land instability, the evolution of the resulting drainage networks and catchments, and ensuing gully processes. High Resolution Topography sources were compared with historic maps and photos. The current mine rehabilitation practices are depicted based on a geomorphic approach that introduces a sustainable drainage system designed to avoid detected risks. Our aim is reconstructing fluvial channels and related hillslopes that mimic their natural counterparts adapted to a rehabilitation of pre-existing gradient terraces. We demonstrate that: i) mining activity produced a 31–58% decrease in the original site drainage network ii) a post-mining active advancing gully is an indicator of drainage network redevelopment advancing toward an upstream pond with flash-flooding risk; iii) a geomorphic designed and constructed fluvial network and proper drainage density adapted to pre-existing gradient-terraces seeks reestablishing stability; and iv) in absence of sufficient funding for rehabilitation, public/private collaboration agreements play an important role to reinstate landscape stability of abandoned or erroneously restored mines.
dc.description.departmentDepto. de Geodinámica, Estratigrafía y Paleontología
dc.description.facultyFac. de Ciencias Geológicas
dc.description.refereedTRUE
dc.description.sponsorshipComunidad de Madrid
dc.description.sponsorshipMinisterio de Ciencia e Innovación (MICINN)
dc.description.sponsorshipDiseño y Desarrollo Minero SL
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/65818
dc.identifier.doi10.1016/j.catena.2021.105392
dc.identifier.issn0341-8162
dc.identifier.officialurlhttps://doi.org/10.1016/j.catena.2021.105392
dc.identifier.urihttps://hdl.handle.net/20.500.14352/4402
dc.issue.number105392
dc.journal.titleCatena
dc.language.isoeng
dc.publisherElsevier
dc.relation.projectIDREMEDINAL TE-CM ( P2018/EMT-4338)
dc.relation.projectID(PTQ-17-09404)
dc.rights.accessRightsrestricted access
dc.subject.cdu502.5:622(460)
dc.subject.keywordErosion
dc.subject.keywordDrainage network
dc.subject.keywordGeomorphic rehabilitation
dc.subject.keywordMine waste stabilization
dc.subject.keywordAlto Tajo Natural Park
dc.subject.keywordTopography
dc.subject.keywordGeomorphic change detection
dc.subject.ucmGeodinámica
dc.subject.unesco2507 Geofísica
dc.titleDrainage network evolution and reconstruction in an open pit kaolin mine at the edge of the Alto Tajo natural Park
dc.typejournal article
dc.volume.number204
dspace.entity.typePublication
relation.isAuthorOfPublication5f95937a-47b9-498e-a16c-44228acedd90
relation.isAuthorOfPublication.latestForDiscovery5f95937a-47b9-498e-a16c-44228acedd90
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