Sensitivities of Biogenic Volatile Organic Compounds to Climatological Factors Affected by Drought

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dc.contributor.advisorCohan, Daniel Sen_US
dc.contributor.committeeMemberGriffin, Roben_US
dc.contributor.committeeMemberRaun, Lorenen_US
dc.creatorChavez-Figueroa, Erin Michelleen_US
dc.date.accessioned2016-01-06T21:03:03Zen_US
dc.date.available2016-01-06T21:03:03Zen_US
dc.date.created2015-12en_US
dc.date.issued2015-03-27en_US
dc.date.submittedDecember 2015en_US
dc.date.updated2016-01-06T21:03:03Zen_US
dc.description.abstractDrought is expected to increase in both intensity and duration in our changing climate. However, the combined effects of drought conditions on the emissions of biogenic volatile organic compounds (BVOC) from vegetation are uncertain due to contradictory responses to the individual drought components. While increased temperature causes an increase in emissions, for instance, low enough soil moisture causes a decrease. This study therefore explored the impacts of variations in individual climate conditions on BVOC emissions. The sensitivity of BVOC emissions to leaf area index (LAI), photosynthetically active radiation (PAR), temperature, and precipitation were assessed using both ground measurements and the model MEGAN. While variations in PAR and LAI were less important than temperature in explaining variation in BVOC emissions, the choice of input data proved important. Satellite PAR produced lower isoprene emissions estimates than PAR generated by the meteorological model WRF. Higher resolution LAI data produced more spatial variability in isoprene emissions estimates. Drought was not found to correspond well to BVOC emissions, with temperature providing a much better predictor of emissions at a given location.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationChavez-Figueroa, Erin Michelle. "Sensitivities of Biogenic Volatile Organic Compounds to Climatological Factors Affected by Drought." (2015) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/87734">https://hdl.handle.net/1911/87734</a>.en_US
dc.identifier.urihttps://hdl.handle.net/1911/87734en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.subjectisopreneen_US
dc.subjectBVOCen_US
dc.subjectVOCen_US
dc.subjectmonoterpenesen_US
dc.subjectsesquiterpenesen_US
dc.subjectPARen_US
dc.subjectdroughten_US
dc.subjectemissionsen_US
dc.subjectair qualityen_US
dc.subjectmodelingen_US
dc.subjectMODISen_US
dc.subjectMEGANen_US
dc.subjectWRFen_US
dc.subjectmeteorologyen_US
dc.titleSensitivities of Biogenic Volatile Organic Compounds to Climatological Factors Affected by Droughten_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentCivil and Environmental Engineeringen_US
thesis.degree.disciplineEngineeringen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelMastersen_US
thesis.degree.nameMaster of Scienceen_US
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