Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/143383
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dc.contributor.authorBiass, Sébastienen_US
dc.contributor.authorOrr, Tim R.en_US
dc.contributor.authorHoughton, Bruce F.en_US
dc.contributor.authorPatrick, Mathew R.en_US
dc.contributor.authorJames, Mike R.en_US
dc.contributor.authorTurner, Nicolasen_US
dc.date.accessioned2020-08-28T07:20:46Z-
dc.date.available2020-08-28T07:20:46Z-
dc.date.issued2019-
dc.identifier.citationBiass, S., Orr, T. R., Houghton, B. F., Patrick, M. R., James, M. R., & Turner, N. (2019). Insights into pahoehoe lava emplacement using visible and thermal structure‐from‐motion photogrammetry. Journal of Geophysical Research: Solid Earth, 124(6), 5678-5695. doi:10.1029/2019jb017444en_US
dc.identifier.issn2169-9313en_US
dc.identifier.urihttps://hdl.handle.net/10356/143383-
dc.description.abstractWe present the evolution over 3 months of a 2016–2017 pāhoehoe flow at Kīlauea as it changed from a narrow sheet flow into a compound lava field fed by a stable system of tubes. The portion of the flow located on Kīlauea's coastal plain was characterized using helicopter-based visible and thermal structure-from-motion photogrammetry to construct a series of georeferenced digital surface models and thermal maps on eight different days. Results reveal key influences on the emplacement and evolution of such long-lived pāhoehoe flows. This region of the flow grew by ~12 × 106 m3 with a near-constant time-average discharge rate of 1.2–2.7 m3/s. The development of two tube systems is captured and shows an initial nascent tube enhanced by a narrow topographic confinement, which later inflated and created a topographic inversion that modulated the emplacement of a second flow lobe with its own tube system. The analysis of breakouts at various stages of the field's life suggests that the evolution of the thermal and morphological properties of the flow surface reflect its maturity. Thermal properties of breakouts were used to expand the empirical relationship of breakout cooling to longer timescales. This study contributes to the long-term development and validation of more accurate predictive models for pāhoehoe, required during the management of long-lasting lava flow crises in Hawai'i and elsewhere.en_US
dc.language.isoenen_US
dc.relation.ispartofJournal of Geophysical Research: Solid Earthen_US
dc.rights© 2019 American Geophysical Union. All rights reserved. This paper was published in Journal of Geophysical Research: Solid Earth and is made available with permission of American Geophysical Union.en_US
dc.subjectScience::Generalen_US
dc.titleInsights into pāhoehoe lava emplacement using visible and thermal structure-from-motion photogrammetryen_US
dc.typeJournal Articleen
dc.contributor.researchEarth Observatory of Singaporeen_US
dc.identifier.doi10.1029/2019JB017444-
dc.description.versionPublished versionen_US
dc.identifier.scopus2-s2.0-85068225315-
dc.identifier.issue6en_US
dc.identifier.volume124en_US
dc.identifier.spage5678en_US
dc.identifier.epage5695en_US
dc.subject.keywordsPāhoehoeen_US
dc.subject.keywordsLava Emplacementen_US
item.grantfulltextopen-
item.fulltextWith Fulltext-
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