Using time series of sentinel-1 images to produce dry bathymetry of rivers

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dc.creatorPhilippe Maillard
dc.date.accessioned2022-05-31T20:37:37Z
dc.date.accessioned2025-09-08T23:07:39Z
dc.date.available2022-05-31T20:37:37Z
dc.date.issued2020
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.5194/isprs-annals-V-3-2020-387-2020
dc.identifier.issn2194-9050
dc.identifier.urihttps://hdl.handle.net/1843/42145
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofInternational Society for Photogrammetry and Remote Sensing Congress
dc.rightsAcesso Aberto
dc.subjectHidrologia
dc.subjectSão Francisco, Rio
dc.subjectRios - Nível da água
dc.subject.otherRiver width
dc.subject.otherSentinel-1
dc.subject.otherHydrology
dc.subject.otherDry bathymetry
dc.subject.otherWater surface
dc.titleUsing time series of sentinel-1 images to produce dry bathymetry of rivers
dc.typeArtigo de evento
local.citation.epage394
local.citation.issueXXIV
local.citation.spage387
local.description.resumoA method is presented to produce river cross section profiles from a time series of Sentinel-1 images paired with water level data. Four programs are presented that generate river width data and cross section profiles from SAR or optical images. The programs generate a river bank and island width database with minimum manual intervention. Water level data from in situ stations are interpolated to match the width data and create elevation points from which the cross section profiles are produced. The method is fully described and tested on the São Francisco River in Brazil. The width data are plotted against discharge data to compare their progression. Over 1700 cross sections were produced and classified by their shape. Potential and limitations are presented.
local.publisher.countryBrasil
local.publisher.departmentIGC - DEPARTAMENTO DE CARTOGRAFIA
local.publisher.departmentIGC - DEPARTAMENTO DE GEOGRAFIA
local.publisher.initialsUFMG
local.url.externahttps://www.isprs-ann-photogramm-remote-sens-spatial-inf-sci.net/V-3-2020/387/2020/

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