Transport of airborne pollen into the city of Thessaloniki: the effects of wind direction, speed and persistence.
Identifieur interne : 003F29 ( Main/Exploration ); précédent : 003F28; suivant : 003F30Transport of airborne pollen into the city of Thessaloniki: the effects of wind direction, speed and persistence.
Auteurs : Athanasios Damialis [Grèce] ; Dimitrios Gioulekas ; Chariklia Lazopoulou ; Christos Balafoutis ; Despina VokouSource :
- International journal of biometeorology [ 0020-7128 ] ; 2005.
Descripteurs français
- KwdFr :
- MESH :
- effets indésirables : Pollen.
- Analyse de régression, Concepts météorologiques, Grèce, Humains, Plantes, Surveillance de l'environnement, Vent.
- Wicri :
- geographic : Grèce.
English descriptors
- KwdEn :
- MESH :
- geographic : Greece.
- adverse effects : Pollen.
- Environmental Monitoring, Humans, Meteorological Concepts, Plants, Regression Analysis, Wind.
Abstract
We examined the effect of the wind vector analyzed into its three components (direction, speed and persistence), on the circulation of pollen from different plant taxa prominent in the Thessaloniki area for a 4-year period (1996-1999). These plant taxa were Ambrosia spp., Artemisia spp., Chenopodiaceae, Corylus spp., Cupressaceae, Olea europaea, Pinaceae, Platanus spp., Poaceae, Populus spp., Quercus spp., and Urticaceae. Airborne pollen of Cupressaceae, Urticaceae, Quercus spp. and O. europaea make up approximately 70% of the total average annual pollen counts. The set of data that we worked with represented days without precipitation and time intervals during which winds blew from the same direction for at least 4 consecutive hours. We did this in order to study the effect of the different wind components independently of precipitation, and to avoid secondary effects produced by pollen resuspension phenomena. Factorial regression analysis among the summed bi-hourly pollen counts for each taxon and the values of wind speed and persistence per wind direction gave significant results in 22 cases (combinations of plant taxa and wind directions). The pollen concentrations of all taxa correlated significantly with at least one of the three wind components. In seven out of the 22 taxon-wind direction combinations, the pollen counts correlated positively with wind persistence, whereas this was the case for only two of the taxon-wind speed combinations. In seven cases, pollen counts correlated with the interaction effect of wind speed and persistence. This shows the importance of wind persistence in pollen transport, particularly when weak winds prevail for a considerable part of the year, as is the case for Thessaloniki. Medium/long-distance pollen transport was evidenced for Olea (NW, SW directions), Corylus (NW, SW), Poaceae (SW) and Populus (NW).
DOI: 10.1007/s00484-004-0229-z
PubMed: 15503184
Affiliations:
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Chariklia" uniqKey="Lazopoulou C" first="Chariklia" last="Lazopoulou">Chariklia Lazopoulou</name></author><author><name sortKey="Balafoutis, Christos" sort="Balafoutis, Christos" uniqKey="Balafoutis C" first="Christos" last="Balafoutis">Christos Balafoutis</name></author><author><name sortKey="Vokou, Despina" sort="Vokou, Despina" uniqKey="Vokou D" first="Despina" last="Vokou">Despina Vokou</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2005">2005</date><idno type="RBID">pubmed:15503184</idno><idno type="pmid">15503184</idno><idno type="doi">10.1007/s00484-004-0229-z</idno><idno type="wicri:Area/Main/Corpus">004180</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">004180</idno><idno type="wicri:Area/Main/Curation">004180</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">004180</idno><idno 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sortKey="Lazopoulou, Chariklia" sort="Lazopoulou, Chariklia" uniqKey="Lazopoulou C" first="Chariklia" last="Lazopoulou">Chariklia Lazopoulou</name></author><author><name sortKey="Balafoutis, Christos" sort="Balafoutis, Christos" uniqKey="Balafoutis C" first="Christos" last="Balafoutis">Christos Balafoutis</name></author><author><name sortKey="Vokou, Despina" sort="Vokou, Despina" uniqKey="Vokou D" first="Despina" last="Vokou">Despina Vokou</name></author></analytic><series><title level="j">International journal of biometeorology</title><idno type="ISSN">0020-7128</idno><imprint><date when="2005" type="published">2005</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Environmental Monitoring (MeSH)</term><term>Greece (MeSH)</term><term>Humans (MeSH)</term><term>Meteorological Concepts (MeSH)</term><term>Plants (MeSH)</term><term>Pollen (adverse effects)</term><term>Regression Analysis 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météorologiques</term><term>Grèce</term><term>Humains</term><term>Plantes</term><term>Surveillance de l'environnement</term><term>Vent</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Grèce</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We examined the effect of the wind vector analyzed into its three components (direction, speed and persistence), on the circulation of pollen from different plant taxa prominent in the Thessaloniki area for a 4-year period (1996-1999). These plant taxa were Ambrosia spp., Artemisia spp., Chenopodiaceae, Corylus spp., Cupressaceae, Olea europaea, Pinaceae, Platanus spp., Poaceae, Populus spp., Quercus spp., and Urticaceae. Airborne pollen of Cupressaceae, Urticaceae, Quercus spp. and O. europaea make up approximately 70% of the total average annual pollen counts. The set of data that we worked with represented days without precipitation and time intervals during which winds blew from the same direction for at least 4 consecutive hours. We did this in order to study the effect of the different wind components independently of precipitation, and to avoid secondary effects produced by pollen resuspension phenomena. Factorial regression analysis among the summed bi-hourly pollen counts for each taxon and the values of wind speed and persistence per wind direction gave significant results in 22 cases (combinations of plant taxa and wind directions). The pollen concentrations of all taxa correlated significantly with at least one of the three wind components. In seven out of the 22 taxon-wind direction combinations, the pollen counts correlated positively with wind persistence, whereas this was the case for only two of the taxon-wind speed combinations. In seven cases, pollen counts correlated with the interaction effect of wind speed and persistence. This shows the importance of wind persistence in pollen transport, particularly when weak winds prevail for a considerable part of the year, as is the case for Thessaloniki. Medium/long-distance pollen transport was evidenced for Olea (NW, SW directions), Corylus (NW, SW), Poaceae (SW) and Populus (NW).</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">15503184</PMID><DateCompleted><Year>2005</Year><Month>05</Month><Day>03</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0020-7128</ISSN><JournalIssue CitedMedium="Print"><Volume>49</Volume><Issue>3</Issue><PubDate><Year>2005</Year><Month>Jan</Month></PubDate></JournalIssue><Title>International journal of biometeorology</Title><ISOAbbreviation>Int J Biometeorol</ISOAbbreviation></Journal><ArticleTitle>Transport of airborne pollen into the city of Thessaloniki: the effects of wind direction, speed and persistence.</ArticleTitle><Pagination><MedlinePgn>139-45</MedlinePgn></Pagination><Abstract><AbstractText>We examined the effect of the wind vector analyzed into its three components (direction, speed and persistence), on the circulation of pollen from different plant taxa prominent in the Thessaloniki area for a 4-year period (1996-1999). These plant taxa were Ambrosia spp., Artemisia spp., Chenopodiaceae, Corylus spp., Cupressaceae, Olea europaea, Pinaceae, Platanus spp., Poaceae, Populus spp., Quercus spp., and Urticaceae. Airborne pollen of Cupressaceae, Urticaceae, Quercus spp. and O. europaea make up approximately 70% of the total average annual pollen counts. The set of data that we worked with represented days without precipitation and time intervals during which winds blew from the same direction for at least 4 consecutive hours. We did this in order to study the effect of the different wind components independently of precipitation, and to avoid secondary effects produced by pollen resuspension phenomena. Factorial regression analysis among the summed bi-hourly pollen counts for each taxon and the values of wind speed and persistence per wind direction gave significant results in 22 cases (combinations of plant taxa and wind directions). The pollen concentrations of all taxa correlated significantly with at least one of the three wind components. In seven out of the 22 taxon-wind direction combinations, the pollen counts correlated positively with wind persistence, whereas this was the case for only two of the taxon-wind speed combinations. In seven cases, pollen counts correlated with the interaction effect of wind speed and persistence. This shows the importance of wind persistence in pollen transport, particularly when weak winds prevail for a considerable part of the year, as is the case for Thessaloniki. Medium/long-distance pollen transport was evidenced for Olea (NW, SW directions), Corylus (NW, SW), Poaceae (SW) and Populus (NW).</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Damialis</LastName><ForeName>Athanasios</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Department of Ecology, School of Biology, Aristotle University, UPB 119, 54124 Thessaloniki, Greece. dthanos@bio.auth.gr</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gioulekas</LastName><ForeName>Dimitrios</ForeName><Initials>D</Initials></Author><Author ValidYN="Y"><LastName>Lazopoulou</LastName><ForeName>Chariklia</ForeName><Initials>C</Initials></Author><Author ValidYN="Y"><LastName>Balafoutis</LastName><ForeName>Christos</ForeName><Initials>C</Initials></Author><Author ValidYN="Y"><LastName>Vokou</LastName><ForeName>Despina</ForeName><Initials>D</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType 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PubStatus="entrez"><Year>2004</Year><Month>10</Month><Day>27</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">15503184</ArticleId><ArticleId IdType="doi">10.1007/s00484-004-0229-z</ArticleId></ArticleIdList><ReferenceList><Reference><Citation>Oecologia. 1975 Sep;18(3):235-242</Citation><ArticleIdList><ArticleId IdType="pubmed">28308680</ArticleId></ArticleIdList></Reference><Reference><Citation>Allergy. 2003 Sep;58(9):933-8</Citation><ArticleIdList><ArticleId IdType="pubmed">12911424</ArticleId></ArticleIdList></Reference><Reference><Citation>Int J Biometeorol. 1999 Oct;43(2):51-63</Citation><ArticleIdList><ArticleId IdType="pubmed">10552308</ArticleId></ArticleIdList></Reference><Reference><Citation>Int J Biometeorol. 2003 Dec;48(2):65-73</Citation><ArticleIdList><ArticleId IdType="pubmed">12783292</ArticleId></ArticleIdList></Reference><Reference><Citation>Int J Biometeorol. 2001 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IdType="pubmed">12820053</ArticleId></ArticleIdList></Reference></ReferenceList></PubmedData></pubmed><affiliations><list><country><li>Grèce</li></country></list><tree><noCountry><name sortKey="Balafoutis, Christos" sort="Balafoutis, Christos" uniqKey="Balafoutis C" first="Christos" last="Balafoutis">Christos Balafoutis</name><name sortKey="Gioulekas, Dimitrios" sort="Gioulekas, Dimitrios" uniqKey="Gioulekas D" first="Dimitrios" last="Gioulekas">Dimitrios Gioulekas</name><name sortKey="Lazopoulou, Chariklia" sort="Lazopoulou, Chariklia" uniqKey="Lazopoulou C" first="Chariklia" last="Lazopoulou">Chariklia Lazopoulou</name><name sortKey="Vokou, Despina" sort="Vokou, Despina" uniqKey="Vokou D" first="Despina" last="Vokou">Despina Vokou</name></noCountry><country name="Grèce"><noRegion><name sortKey="Damialis, Athanasios" sort="Damialis, Athanasios" uniqKey="Damialis A" first="Athanasios" last="Damialis">Athanasios Damialis</name></noRegion></country></tree></affiliations></record>Pour 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