About: Physical properties of suspended dust during moist and low wind conditions in Iceland

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.ias.is/landbunadur/wgsamvef.nsf/Attachment/IAS%20-%204%20kafli%20Pavla/$file/IAS%20-%204%20kafli%20Pavla.pdf
Description	We measured a dust event which occurred during wet and low wind/windless conditions as the result of surface heating in August 2013. Maximum particle number concentration (PM similar to 0.3-10 mu m) reached 149,954 particles cm(-3) min(-1) while mass concentration (PM<10 m) was 1757 g m-3 min-1. The suspended dust was very fine with the highest number of particles in the size range 0.3-0.337 mu m, followed by particles 1.5-5 mu m in diameter. Close-to-ultrafine particle size distributions showed a significant increase in number with the severity of the measured dust event (during dust peaks). Number concentrations were well correlated with mass concentrations. The mineralogy and geochemical compositions showed that glaciogenic dust contains sharp-tipped shards with bubbles and 80 % of the particulate matter is volcanic glass rich in heavy metals. Wet dust particles were mobilized within < 4 hours. This is the first scientific study of particle size distributions in an Icelandic dust event including findings on initiation of dust suspension. We measured a dust event which occurred during wet and low wind/windless conditions as the result of surface heating in August 2013. Maximum particle number concentration (PM similar to 0.3-10 mu m) reached 149,954 particles cm(-3) min(-1) while mass concentration (PM<10 m) was 1757 g m-3 min-1. The suspended dust was very fine with the highest number of particles in the size range 0.3-0.337 mu m, followed by particles 1.5-5 mu m in diameter. Close-to-ultrafine particle size distributions showed a significant increase in number with the severity of the measured dust event (during dust peaks). Number concentrations were well correlated with mass concentrations. The mineralogy and geochemical compositions showed that glaciogenic dust contains sharp-tipped shards with bubbles and 80 % of the particulate matter is volcanic glass rich in heavy metals. Wet dust particles were mobilized within < 4 hours. This is the first scientific study of particle size distributions in an Icelandic dust event including findings on initiation of dust suspension. (en)
Title	Physical properties of suspended dust during moist and low wind conditions in Iceland Physical properties of suspended dust during moist and low wind conditions in Iceland (en)
skos:prefLabel	Physical properties of suspended dust during moist and low wind conditions in Iceland Physical properties of suspended dust during moist and low wind conditions in Iceland (en)
skos:notation	RIV/00216208:11310/14:10287110!RIV15-MSM-11310___
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Braniš, Martin Škrabalová, Lenka
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	36566
http://linked.open...ai/riv/idVysledku	RIV/00216208:11310/14:10287110
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	geochemistry; geology; dust (en)
http://linked.open.../riv/klicoveSlovo	geochemistry geology dust
http://linked.open...odStatuVydavatele	IS - Islandská republika
http://linked.open...ontrolniKodProRIV	[709AA45F80D0]
http://linked.open...i/riv/nazevZdroje	Icelandic Agricultural Sciences
http://linked.open...in/vavai/riv/obor	DB
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	14 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	27
http://linked.open...iv/tvurceVysledku	Braniš, Martin Navrátil, Tomáš Skála, Roman Hladil, Jindřich Škrabalová, Lenka Arnalds, Olafur Carlsen, Hanne Krage Chadimová, Leona Dagsson-Waldhauserova, Pavla Jonsdottir, Ingibjorg Menar, Sibylle von Lowis Of Olafsson, Haraldur Sigurdardottir, Gudmunda Maria Thorsteinsson, Throstur
http://linked.open...ain/vavai/riv/wos	000345273200006
issn	1670-567X
number of pages	15 (xsd:int)
http://localhost/t...ganizacniJednotka	11310

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