Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/16021
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dc.contributor.authorMundava, Charityen
dc.contributor.authorHelmholz, Petraen
dc.contributor.authorSchut, Antoniusen
dc.contributor.authorCorner, Roberten
dc.contributor.authorMcAtee, Brendonen
dc.contributor.authorLamb, Daviden
local.source.editorEditor(s): Filiz Sunar, Orhan Altan, and Malcolm Taberneren
dc.date.accessioned2014-11-04T13:39:00Z-
dc.date.issued2014-
dc.identifier.citationISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, II(7), p. 47-53en
dc.identifier.issn2194-9050en
dc.identifier.issn2194-9042en
dc.identifier.urihttps://hdl.handle.net/1959.11/16021-
dc.description.abstractThe objective of this paper is to test the relationships between Above Ground Biomass (AGB) and remotely sensed vegetation indices for AGB assessments in the Kimberley area in Western Australia. For 19 different sites, vegetation indices were derived from eight Landsat ETM+ scenes over a period of two years (2011-2013). The sites were divided into three groups ('Open plains', 'Bunch grasses' and 'Spinifex') based on similarities in dominant vegetation types. Dry and green biomass fractions were measured at these sites. Single and multiple regression relationships between vegetation indices and green and total AGB were calibrated and validated using a "leave site out" cross validation. Four tests were compared: (1) relationships between AGB and vegetation indices combining all sites; (2) separate relationships per site group; (3) multiple regressions including selected vegetation indices per site group; and (4) as in 3 but including rainfall and elevation data. Results indicate that relationships based on single vegetation indices are moderately accurate for green biomass in wide open plains covered with annual grasses. The cross-validation results for green AGB improved for a combination of indices for the Open plains and Bunch grasses sites, but not for 'Spinifex' sites. When rainfall and elevation data are included, cross validation improved slightly with a Q² of 0.49-0.72 for 'Open plains' and 'Bunch grasses' sites respectively. Cross validation results for total AGB were moderately accurate (Q² of 0.41) for 'Open plains' but weak or absent for other site groups despite good calibration results, indicating strong influence of site-specific factors.en
dc.languageenen
dc.publisherCopernicus GmbHen
dc.relation.ispartofISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciencesen
dc.titleEvaluation of vegetation indices for rangeland biomass estimation in the Kimberley area of Western Australiaen
dc.typeConference Publicationen
dc.relation.conferenceISPRS TC VII 2014: International Society for Photogrammetry and Remote Sensing Technical Commission VII Symposiumen
dc.identifier.doi10.5194/isprsannals-II-7-47-2014en
dcterms.accessRightsGolden
dc.subject.keywordsAgricultural Spatial Analysis and Modellingen
local.contributor.firstnameCharityen
local.contributor.firstnamePetraen
local.contributor.firstnameAntoniusen
local.contributor.firstnameRoberten
local.contributor.firstnameBrendonen
local.contributor.firstnameDaviden
local.subject.for2008070104 Agricultural Spatial Analysis and Modellingen
local.subject.seo2008830301 Beef Cattleen
local.subject.seo2008960910 Sparseland, Permanent Grassland and Arid Zone Land and Water Managementen
local.profile.schoolOffice of Faculty of Science, Agriculture, Business and Lawen
local.profile.emailcharity.mundava@postgrad.curtin.edu.auen
local.profile.emailPetra.Helmholz@curtin.edu.auen
local.profile.emailtom.schut@wur.nlen
local.profile.emailRobert.Corner@curtin.edu.auen
local.profile.emailBrendon.McAtee@landgate.wa.gov.auen
local.profile.emaildlamb@une.edu.auen
local.output.categoryE1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune-20141008-142721en
local.date.conference29th September - 2nd October, 2014en
local.conference.placeIstanbul, Turkeyen
local.publisher.placeGermanyen
local.format.startpage47en
local.format.endpage53en
local.url.openhttps://doi.org/10.5194/isprsannals-ii-7-47-2014en
local.peerreviewedYesen
local.identifier.volumeIIen
local.identifier.issue7en
local.access.fulltextYesen
local.contributor.lastnameMundavaen
local.contributor.lastnameHelmholzen
local.contributor.lastnameSchuten
local.contributor.lastnameCorneren
local.contributor.lastnameMcAteeen
local.contributor.lastnameLamben
dc.identifier.staffune-id:dlamben
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:16258en
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
local.title.maintitleEvaluation of vegetation indices for rangeland biomass estimation in the Kimberley area of Western Australiaen
local.output.categorydescriptionE1 Refereed Scholarly Conference Publicationen
local.conference.detailsISPRS TC VII 2014: International Society for Photogrammetry and Remote Sensing Technical Commission VII Symposium, Istanbul, Turkey, 29th September - 2nd October, 2014en
local.search.authorMundava, Charityen
local.search.authorHelmholz, Petraen
local.search.authorSchut, Antoniusen
local.search.authorCorner, Roberten
local.search.authorMcAtee, Brendonen
local.search.authorLamb, Daviden
local.uneassociationUnknownen
local.year.published2014en
local.subject.for2020300206 Agricultural spatial analysis and modellingen
local.subject.seo2020100401 Beef cattleen
local.subject.seo2020180699 Terrestrial systems and management not elsewhere classifieden
local.date.start2014-09-29-
local.date.end2014-10-02-
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