Cannabis pollen dispersal across the United States

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dc.contributor.authorNimmala, Manuen
dc.contributor.authorRoss, Shane D.en
dc.contributor.authorForoutan, Hoseinen
dc.date.accessioned2024-10-25T17:05:12Zen
dc.date.available2024-10-25T17:05:12Zen
dc.date.issued2024-09-04en
dc.description.abstractFor the recently legalized US hemp industry (<i>Cannabis sativa</i>), cross-pollination between neighboring fields has become a significant challenge, leading to contaminated seeds, reduced oil yields, and in some cases, mandated crop destruction. As a step towards assessing hemp cross-pollination risk, this study characterizes the seasonal and spatial patterns in windborne hemp pollen dispersal spanning the conterminous United States (CONUS). By leveraging meteorological data obtained through mesoscale model simulations, we have driven Lagrangian Stochastic models to simulate wind-borne hemp pollen dispersion across CONUS on a county-by-county basis for five months from July to November, encompassing the potential flowering season for industrial hemp. Our findings reveal that pollen deposition rates escalate from summer to autumn due to the reduction in convective activity during daytime and the increase in wind shear at night as the season progresses. We find diurnal variations in pollen dispersion: nighttime conditions favor deposition in proximity to the source, while daytime conditions facilitate broader dispersal albeit with reduced deposition rates. These shifting weather patterns give rise to specific regions of CONUS more vulnerable to hemp cross-pollination.en
dc.description.versionPublished versionen
dc.format.extent11 page(s)en
dc.format.mimetypeapplication/pdfen
dc.identifierARTN 20605 (Article number)en
dc.identifier.doihttps://doi.org/10.1038/s41598-024-70633-xen
dc.identifier.eissn2045-2322en
dc.identifier.issn2045-2322en
dc.identifier.issue1en
dc.identifier.orcidForoutan, Hosein [0000-0003-4185-3571]en
dc.identifier.orcidRoss, Shane [0000-0001-5523-2376]en
dc.identifier.other10.1038/s41598-024-70633-x (PII)en
dc.identifier.pmid39232057en
dc.identifier.urihttps://hdl.handle.net/10919/121399en
dc.identifier.volume14en
dc.language.isoenen
dc.publisherNature Portfolioen
dc.relation.urihttps://www.ncbi.nlm.nih.gov/pubmed/39232057en
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subject.meshCannabisen
dc.subject.meshPollenen
dc.subject.meshWinden
dc.subject.meshSeasonsen
dc.subject.meshUnited Statesen
dc.subject.meshPollinationen
dc.title<i>Cannabis</i> pollen dispersal across the United Statesen
dc.title.serialScientific Reportsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.otherArticleen
dc.type.otherJournalen
dcterms.dateAccepted2024-08-20en
pubs.organisational-groupVirginia Techen
pubs.organisational-groupVirginia Tech/Engineeringen
pubs.organisational-groupVirginia Tech/Engineering/Aerospace and Ocean Engineeringen
pubs.organisational-groupVirginia Tech/Engineering/Civil & Environmental Engineeringen
pubs.organisational-groupVirginia Tech/All T&R Facultyen
pubs.organisational-groupVirginia Tech/Engineering/COE T&R Facultyen

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