Continuous isoprene measurements in a UK temperate forest for a whole growing season: effects of drought stress during the 2018 heatwave

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dc.contributor.authorFerracci, Valerio
dc.contributor.authorBolas, Conor G.
dc.contributor.authorFreshwater, Ray A.
dc.contributor.authorStaniaszek, Zosia
dc.contributor.authorKing, Thomas
dc.contributor.authorJaars, Kerneels
dc.contributor.authorOtuā€Larbi, Frederick
dc.contributor.authorBeale, John
dc.contributor.authorMalhi, Yadvinder
dc.contributor.authorWaine, Toby William
dc.contributor.authorJones, Roderic L.
dc.contributor.authorAshworth, Kirsti
dc.contributor.authorHarris, Neil
dc.date.accessioned2020-07-30T15:49:51Z
dc.date.available2020-07-30T15:49:51Z
dc.date.freetoread2020-07-30
dc.date.issued2020-07-08
dc.description.abstractIsoprene concentrations were measured at four heights below, within and above the forest canopy in Wytham Woods (UK) throughout the summer of 2018 using custom-built gas chromatographs (the iDirac). These observations were complemented with selected ancillary variables, including air temperature, photosynthetically active radiation (PAR), occasional leaf gas exchange measurements and satellite retrievals of normalized difference vegetation and water indices (NDVI and NDWI). The campaign overlapped with a long and uninterrupted heatwave accompanied by moderate drought. Peak isoprene concentrations during the heatwave-drought were up to a factor of 4 higher than those before or after. Higher temperatures during the heatwave could not account for all the observed isoprene; the enhanced abundances correlated with drought stress. Leaf-level emissions confirmed this and also included compounds associated with ecosystem stress. This work highlights that a more in-depth understanding of the effects of drought stress is required to better characterize isoprene emissions.en_UK
dc.identifier.citationFerracci V, Bolas CG, Freshwater RA, et al., (2020) Continuous isoprene measurements in a UK temperate forest for a whole growing season: effects of drought stress during the 2018 heatwave. Geophysical Research Letters, Volume 47, Issue 15, August 2020, Article number e2020GL088885en_UK
dc.identifier.cris27431528
dc.identifier.issn0094-8276
dc.identifier.urihttps://doi.org/10.1029/2020GL088885
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/15619
dc.language.isoenen_UK
dc.publisherAmerican Geophysical Union (AGU)en_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectlong-term measurementsen_UK
dc.subjectdrought stressen_UK
dc.subjectBVOCsen_UK
dc.subjectbiosphere-atmosphere interactionsen_UK
dc.subjectIsopreneen_UK
dc.titleContinuous isoprene measurements in a UK temperate forest for a whole growing season: effects of drought stress during the 2018 heatwaveen_UK
dc.typeArticleen_UK

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