Aki Olavi Virkkula - Helsingfors universitet

<!DOCTYPE html> <html lang="sv" class="nexus-font-support"> <head> <meta charset="utf-8"/> <meta http-equiv="X-UA-Compatible" content="IE=edge"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <meta name="google" content="nositelinkssearchbox"/> <title> Aki Olavi Virkkula - Helsingfors universitet</title> <link rel='alternate' hreflang='en-gb' href='https://researchportal.helsinki.fi/en/persons/aki-olavi-virkkula' /><link rel='alternate' hreflang='sv-se' href='https://researchportal.helsinki.fi/sv/persons/aki-olavi-virkkula' /><link rel='alternate' hreflang='fi-fi' href='https://researchportal.helsinki.fi/fi/persons/aki-olavi-virkkula' /> <meta property="og:site_name" content="Helsingfors universitet"> <meta property="og:title" content="Aki Olavi Virkkula"/> <meta property="og:url" content="https://researchportal.helsinki.fi/sv/persons/aki-olavi-virkkula"> <meta property="og:locale" content="sv_SE"> <meta property="og:type" content="profile"> <meta property="og:image" content="https://researchportal.helsinki.fi/skin/headerImage/"> <link rel="stylesheet" href="/assets/application-38ee53af01939d2a035e7aecc1b3ac0a.css" />  <script async src="https://cdn.cookielaw.org/scripttemplates/otSDKStub.js" type="text/javascript" charset="UTF-8" data-domain-script="4af77cf8-827f-4c59-a8dc-d8e552386b54" data-document-language="true"></script> <script type="text/javascript"> function OptanonWrapper() { } </script>  <link href="/skin/css/" rel="stylesheet"/> <script src="/skin/script/" type="text/javascript"></script> <script type="text/javascript" src="/assets/application-ef88525856bf546568133030838d91cc.js" ></script>  <script src="/assets/Chart.min-27bff060c3e539ceb22e763c8f2e9e10.js"></script> <script src="/assets/jquery.content-chart-9c09bb79ba3fc3829b6478d0e114f737.js"></script> <script type="application/ld+json">{"@context" : "http://schema.org", "@type" : "Person", "name" : "Aki Olavi Virkkula", "affiliation": [{"@type" : "Organization", "name" : "Centret för atmosfärvetenskaper (INAR)", "address": {"@type" : "PostalAddress", "addressCountry" : "Finland"}}, {"@type" : "Organization", "name" : "Avdelningen för fysik", "address": {"@type" : "PostalAddress", "addressCountry" : "Finland"}}]}</script>  <script src="https://www.googletagmanager.com/gtag/js?id=UA-6314483-1" class="optanon-category-2" type="text/plain" async=""></script> <script> window.dataLayer = window.dataLayer || []; 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bottom: 0.0%" data-graph-info="Publikationer 2000: 4"></span></span><span style="height: 100%"></span><span style="height: 100%"><span class="trend-bar-stacked secondary " style="height: 16.66666667%; bottom: 0.0%" data-graph-info="Publikationer 2002: 3"></span></span><span style="height: 100%"><span class="trend-bar-stacked secondary " style="height: 11.11111111%; bottom: 0.0%" data-graph-info="Publikationer 2003: 2"></span></span><span style="height: 100%"></span><span style="height: 100%"><span class="trend-bar-stacked secondary " style="height: 22.22222222%; bottom: 0.0%" data-graph-info="Publikationer 2005: 4"></span></span><span style="height: 100%"></span><span style="height: 100%"><span class="trend-bar-stacked secondary " style="height: 5.55555556%; bottom: 0.0%" data-graph-info="Publikationer 2007: 1"></span></span><span style="height: 100%"><span class="trend-bar-stacked secondary " style="height: 5.55555556%; bottom: 0.0%" data-graph-info="Publikationer 2008: 1"></span></span><span style="height: 100%"><span class="trend-bar-stacked secondary " style="height: 44.44444444%; bottom: 0.0%" data-graph-info="Publikationer 2009: 8"></span></span><span style="height: 100%"><span class="trend-bar-stacked secondary " style="height: 66.66666667%; bottom: 0.0%" data-graph-info="Publikationer 2010: 12"></span></span><span style="height: 100%"><span class="trend-bar-stacked " style="height: 5.55555556%; bottom: 0.0%" data-graph-info="Projekt 2011: 1"></span><span class="trend-bar-stacked secondary " style="height: 100.0%; bottom: 5.555555555555555%" data-graph-info="Publikationer 2011: 18"></span></span><span style="height: 100%"><span class="trend-bar-stacked secondary " style="height: 66.66666667%; bottom: 0.0%" data-graph-info="Publikationer 2012: 12"></span></span><span style="height: 100%"><span class="trend-bar-stacked secondary " style="height: 77.77777778%; bottom: 0.0%" data-graph-info="Publikationer 2013: 14"></span></span><span style="height: 100%"><span class="trend-bar-stacked secondary " style="height: 61.11111111%; bottom: 0.0%" data-graph-info="Publikationer 2014: 11"></span></span><span style="height: 100%"><span class="trend-bar-stacked secondary " style="height: 22.22222222%; bottom: 0.0%" data-graph-info="Publikationer 2015: 4"></span></span><span style="height: 100%"><span class="trend-bar-stacked secondary " style="height: 11.11111111%; bottom: 0.0%" data-graph-info="Publikationer 2016: 2"></span></span><span style="height: 100%"><span class="trend-bar-stacked secondary " style="height: 22.22222222%; bottom: 0.0%" data-graph-info="Publikationer 2017: 4"></span></span><span style="height: 100%"><span class="trend-bar-stacked secondary " style="height: 22.22222222%; bottom: 0.0%" data-graph-info="Publikationer 2018: 4"></span></span><span style="height: 100%"><span class="trend-bar-stacked secondary " style="height: 16.66666667%; bottom: 0.0%" data-graph-info="Publikationer 2019: 3"></span></span><span style="height: 100%"><span class="trend-bar-stacked secondary " style="height: 11.11111111%; bottom: 0.0%" data-graph-info="Publikationer 2020: 2"></span></span><span style="height: 100%"><span class="trend-bar-stacked secondary " style="height: 5.55555556%; bottom: 0.0%" data-graph-info="Publikationer 2021: 1"></span></span><span style="height: 100%"><span class="trend-bar-stacked secondary " style="height: 27.77777778%; bottom: 0.0%" data-graph-info="Publikationer 2022: 5"></span></span><span style="height: 100%"><span class="trend-bar-stacked secondary " style="height: 5.55555556%; bottom: 0.0%" data-graph-info="Publikationer 2023: 1"></span></span><span style="height: 100%"><span class="trend-bar-stacked secondary " style="height: 5.55555556%; bottom: 0.0%" data-graph-info="Publikationer 2024: 1"></span></span></span><span class="stacked-trend-graph-year">2024</span></div> <p id="publication_pear_year">Forskningsoutput per år</p> </section> </div> </div> </div> <script> $(document).ready(function () { runToolTips(); }); </script> <div class="subMenu"> <div class="content-profile-navigation"> <div class="container"> <nav aria-label="persons undermeny"> <ul class="has-overflow-navigation" aria-label="persons undermeny" role="menubar"> <li class="selected" role="none"> <a class="portal_link" role="menuitem" href="/sv/persons/aki-olavi-virkkula"><span> <i class="icon icon-person" aria-hidden="true"></i> <span class="label">Översikt</span> </span></a> </li> <li class="" role="none"> <a class="portal_link" role="menuitem" href="/sv/persons/aki-olavi-virkkula/network/"><span> <i class="icon icon-network-menu" aria-hidden="true"></i> <span class="label">Nätverk</span> </span></a> </li> <li class="" role="none"> <a class="portal_link" role="menuitem" href="/sv/persons/aki-olavi-virkkula/publications/"><span> <i class="icon icon-publications" aria-hidden="true"></i> <span class="label"> Publikationer</span> <span class="count">(128)</span> </span></a> </li> <li class="" role="none"> <a class="portal_link" role="menuitem" href="/sv/persons/aki-olavi-virkkula/projects/"><span> <i class="icon icon-projects" aria-hidden="true"></i> <span class="label"> Projekt</span> <span class="count">(1)</span> </span></a> </li> </ul> </nav> </div> </div> </div> <script> var child; function openPopUp(href){ child = window.open(href,'','toolbar=0,status=0,scrollbars=1,width=1024,height=1000'); checkIfWindowHasClosed(); } function checkIfWindowHasClosed(){ var pollTimer = window.setInterval(function() { if (child.closed !== false) { // !== is required for compatibility with Opera window.clearInterval(pollTimer); // Display Toast! var x = document.getElementById("snackbar"); x.classList.add("show"); x.innerHTML = 'Om du gjort några ändringar i Pure kommer de visas här snart.'; setTimeout(function(){ x.classList.remove("show"); }, 5000); } }, 1000); } </script> <div id="snackbar" class="snackbar"></div> </section> <div id="main-content" class="page-section-content page-section-content-persons page-section-content-persons-view "> <section class="page-section content-relation-section person-network" aria-labelledby="networkmap-title"> <div class="container"> <div class="header"> <h2 class="section-title" id="networkmap-title"> <i class="icon icon-network-menu" aria-hidden="true"></i> <span class="title">Internationellt och inhemskt samarbete</span> </h2> <div class="sub-title"> Publikationer och projekt inom de senaste fem åren. <button id="showCountries">Välj ett land/territorium från listan</button><br/> </div> </div> <div style="display: none;" role="dialog" id="countryList" aria-modal="true" aria-labelledby="modal-heading" aria-describedby="modal-description"> <div class="header"> <h1 class="title"> <span class="title">Fördjupning</span> </h1> <p> Välj ett land/territorium för att visa delade publikationer och projekt </p> </div> <button class="close-filter map"> Stäng </button> </div> <div style="display: none;" id="filter-popup-bgoverlay"></div> <div id="network-map-container" aria-hidden="true" class="world-map-container" data-url="/sv/persons/aki-olavi-virkkula/network-map-json/" data-node-url="/sv/persons/aki-olavi-virkkula/network-map-json-country/" data-popup-url="/sv/persons/58dd07dd-ea0f-4302-bf08-d36982aa1941/network-map-json-collaborations/" data-unknown-country="Okänt land/territorium" data-appear-top-offset="-250"> <button aria-hidden="true" class="toggle-responsive-map"> <span>Välj ett land/territorium från listan</span> </button> <div class="world-map"></div> </div> <script> $(function () { $("#network-map-container").networkMap({ createConcepts: false, limitCollaborationMapToUs: false, filterCollaborationMapData: "" }); }); </script> <div class="footer"> <div class="view-all align-center"> <a class="portal_link btn-primary btn-large" href="/sv/persons/aki-olavi-virkkula/network/"><span> Utforska nätverket mera <i class="icon icon-right-open-mini" aria-hidden="true"></i> </span></a> </div> </div> </div> </section> <section aria-label="Avsnitt för relaterat innehåll"> <div class="page-section content-relation-section person-publications"> <div class="container"> <div class="header"> <h2 class="section-title" id="related-publications-title"> <i class="icon icon-publications" aria-hidden="true"></i> <span class="title"> Publikationer </span> </h2> <div class="content-trends"> <button rel="toggle-publication-chart" data-year-url="/sv/persons/aki-olavi-virkkula/publications/?publicationYear=" aria-label="Forskningsresultat per år" class="chart-toggler" aria-expanded="false"> <span class="title"> Forskningsresultat per år <img src="/assets/gizmo-expand-61f33ba7afaffaa77611abfb62f97a9e.svg" aria-hidden="true" alt="" class="expand" /> <img src="/assets/gizmo-contract-7adbcd523b1972d72d537e479dd74798.svg" aria-hidden="true" alt="" class="contract" /> </span> <span class="inline-trend-graph"> <span class="year year-start">1995</span> <span class="trend-graph-wrapper"> <span class="bar" style="height: 66.6666666700%;"> <span aria-expanded="false" role="tooltip">2010</span> </span> <span class="bar" style="height: 100%;"> <span aria-expanded="false" role="tooltip">2011</span> </span> <span class="bar" style="height: 66.6666666700%;"> <span aria-expanded="false" role="tooltip">2012</span> </span> <span class="bar" style="height: 77.7777777800%;"> <span aria-expanded="false" role="tooltip">2013</span> </span> <span class="bar" style="height: 61.1111111100%;"> <span aria-expanded="false" role="tooltip">2014</span> </span> </span> <span class="year year-end">2024</span> </span> </button> <ul class="content-statistics"> <li class=""> <a class="portal_link count increment-counter" aria-label=" 83 Artikel" href="/sv/persons/aki-olavi-virkkula/publications/?type=%2Fdk%2Fatira%2Fpure%2Fresearchoutput%2Fresearchoutputtypes%2Fcontributiontojournal%2Farticle"><span> 83 </span></a> <span class="label">Artikel</span> </li> <li class=""> <a class="portal_link count increment-counter" aria-label=" 40 Konferensbidrag" href="/sv/persons/aki-olavi-virkkula/publications/?type=%2Fdk%2Fatira%2Fpure%2Fresearchoutput%2Fresearchoutputtypes%2Fcontributiontobookanthology%2Fconference"><span> 40 </span></a> <span class="label">Konferensbidrag</span> </li> <li class=""> <a class="portal_link count increment-counter" aria-label=" 4 Konferensartikel" href="/sv/persons/aki-olavi-virkkula/publications/?type=%2Fdk%2Fatira%2Fpure%2Fresearchoutput%2Fresearchoutputtypes%2Fcontributiontojournal%2Fconferencearticle"><span> 4 </span></a> <span class="label">Konferensartikel</span> </li> <li class=""> <a class="portal_link count increment-counter" aria-label=" 1 Översiktsartikel" href="/sv/persons/aki-olavi-virkkula/publications/?type=%2Fdk%2Fatira%2Fpure%2Fresearchoutput%2Fresearchoutputtypes%2Fcontributiontojournal%2Fsystematicreview"><span> 1 </span></a> <span class="label">Översiktsartikel</span> </li> </ul> <script> $("ul.content-statistics li.index").last().addClass("separator"); </script> <div class="flex-break"></div> <div class="chart-container" id="chart-content-publication-by-year" style="display: none;" aria-hidden="true" tabindex="-1"> <p class="legend">Forskningsresultat per år</p> <div class="chart-wrapper"> <canvas></canvas> </div> <p class="legend">Forskningsresultat per år</p> </div> <table id="publication-container-table" class="sr-only" aria-hidden="true"></table> <script> $("#chart-content-publication-by-year").contentChart({ toggle: "button[rel='toggle-publication-chart']", title: "Forskningsresultat per år", labels: [1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024], values: [1, 3, 3, 1, 3, 4, 0, 3, 2, 0, 4, 0, 1, 1, 8, 12, 18, 12, 14, 11, 4, 2, 4, 4, 3, 2, 1, 5, 1, 1], tableContainer: $('#publication-container-table'), }); </script> </div> </div> <div class="relation-list relation-list-publications"> <ul class="list-results"> <li class="list-result-item"> <div class="result-container"> <div class="rendering rendering_researchoutput rendering_researchoutput_portal-short rendering_contributiontojournal rendering_portal-short rendering_contributiontojournal_portal-short"><h3 class="title"><a rel="ContributionToJournal" href="https://researchportal.helsinki.fi/sv/publications/characterizing-winter-time-brown-carbon-insights-into-chemical-an" class="link"><span>Characterizing winter-time brown carbon: Insights into chemical and light-absorption properties in residential and traffic environments</span></a></h3>Barreira, L. M. F., Aurela, M., Saarikoski, S., Li, D., Teinilä, K., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/aki-olavi-virkkula" class="link person"><span>Virkkula, A.</span></a>, Niemi, J. V., Manninen, H. E., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/liisa-pirjola" class="link person"><span>Pirjola, L.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/tuukka-pet%C3%A4j%C3%A4" class="link person"><span>Petäjä, T.</span></a>, Rönkkö, T. & Timonen, H., <span class="date">10 dec. 2024</span>, <span class="journal">I: <a rel="Journal" href="#" class="link"><span>Science of the Total Environment.</span></a></span> <span class="volume">955</span>, <span class="numberofpages">17 s.</span>, 177089.<p class="type"><span class="type_family">Forskningsoutput<span class="type_family_sep">: </span></span><span class="type_classification_parent">Tidskriftsbidrag<span class="type_parent_sep"> › </span></span><span class="type_classification">Artikel</span><span class="type_classification"><span class="type_parent_sep"> › </span>Vetenskaplig</span><span class="type_classification"><span class="type_parent_sep"> › </span>Peer review</span></p></div> <div class="rendering rendering_researchoutput rendering_researchoutput_publicationattacheddocumentsportalrenderer rendering_contributiontojournal rendering_publicationattacheddocumentsportalrenderer rendering_contributiontojournal_publicationattacheddocumentsportalrenderer"><div class="open-access">Öppen tillgång</div><div class="files">Fil</div></div> </div> </li> <li class="list-result-item"> <div class="result-container"> <div class="rendering rendering_researchoutput rendering_researchoutput_portal-short rendering_contributiontobookanthology rendering_portal-short rendering_contributiontobookanthology_portal-short"><h3 class="title"><a rel="ContributionToBookAnthology" href="https://researchportal.helsinki.fi/sv/publications/cantilever-enhanced-photoacoustic-detector-for-black-and-brown-ca" class="link"><span>Cantilever-Enhanced Photoacoustic Detector for Black and Brown Carbon</span></a></h3><a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/juho-karhu" class="link person"><span>Karhu, J.</span></a>, <span>Kuula, J.</span>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/tommi-joel-oskari-mikkonen" class="link person"><span>Mikkonen, T.</span></a>, <span>Ward, M.</span>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/aki-olavi-virkkula" class="link person"><span>Virkkula, A.</span></a>, <span>Ikonen, E.</span>, <span>Hieta, T.</span>, <span>Timonen, H.</span> & <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/markku-vainio" class="link person"><span>Vainio, M.</span></a>, <span class="date">2023</span>, <em>2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023.</em> <a rel="Publisher" href="#" class="link"><span>Institute of Electrical and Electronics Engineers Inc.</span></a>, (2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023).<p class="type"><span class="type_family">Forskningsoutput<span class="type_family_sep">: </span></span><span class="type_classification_parent">Kapitel i bok/rapport/konferenshandling<span class="type_parent_sep"> › </span></span><span class="type_classification">Konferensbidrag</span><span class="type_classification"><span class="type_parent_sep"> › </span>Vetenskaplig</span><span class="type_classification"><span class="type_parent_sep"> › </span>Peer review</span></p></div> <div class="rendering rendering_researchoutput rendering_researchoutput_publicationattacheddocumentsportalrenderer rendering_contributiontobookanthology rendering_publicationattacheddocumentsportalrenderer rendering_contributiontobookanthology_publicationattacheddocumentsportalrenderer"></div> </div> </li> <li class="list-result-item"> <div class="result-container"> <div class="rendering rendering_researchoutput rendering_researchoutput_portal-short rendering_contributiontojournal rendering_portal-short rendering_contributiontojournal_portal-short"><h3 class="title"><a rel="ContributionToJournal" href="https://researchportal.helsinki.fi/sv/publications/aerosol-optical-properties-calculated-from-size-distributions-fil" class="link"><span>Aerosol optical properties calculated from size distributions, filter samples and absorption photometer data at Dome C, Antarctica, and their relationships with seasonal cycles of sources</span></a></h3><a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/aki-olavi-virkkula" class="link person"><span>Virkkula, A.</span></a>, Grythe, H., Backman, J., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/tuukka-pet%C3%A4j%C3%A4" class="link person"><span>Petäjä, T.</span></a>, Busetto, M., Lanconelli, C., Lupi, A., Becagli, S., Traversi, R., Severi, M., Vitale, V., Sheridan, P. & Andrews, E., <span class="date">14 apr. 2022</span>, <span class="journal">I: <a rel="Journal" href="#" class="link"><span>Atmospheric Chemistry and Physics.</span></a></span> <span class="volume">22</span>, <span class="journalnumber">7</span>, <span class="pages">s. 5033-5069</span> <span class="numberofpages">37 s.</span><p class="type"><span class="type_family">Forskningsoutput<span class="type_family_sep">: </span></span><span class="type_classification_parent">Tidskriftsbidrag<span class="type_parent_sep"> › </span></span><span class="type_classification">Artikel</span><span class="type_classification"><span class="type_parent_sep"> › </span>Vetenskaplig</span><span class="type_classification"><span class="type_parent_sep"> › </span>Peer review</span></p></div> <div class="rendering rendering_researchoutput rendering_researchoutput_publicationattacheddocumentsportalrenderer rendering_contributiontojournal rendering_publicationattacheddocumentsportalrenderer rendering_contributiontojournal_publicationattacheddocumentsportalrenderer"><div class="open-access">Öppen tillgång</div><div class="files">Fil</div></div> </div> </li> <li class="list-result-item"> <div class="result-container"> <div class="rendering rendering_researchoutput rendering_researchoutput_portal-short rendering_contributiontobookanthology rendering_portal-short rendering_contributiontobookanthology_portal-short"><h3 class="title"><a rel="ContributionToBookAnthology" href="https://researchportal.helsinki.fi/sv/publications/cantilever-enhanced-photoacoustic-detector-for-light-absorbing-ae" class="link"><span>Cantilever-enhanced Photoacoustic Detector for Light-absorbing Aerosols</span></a></h3><a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/juho-karhu" class="link person"><span>Karhu, J.</span></a>, <span>Kuula, J.</span>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/aki-olavi-virkkula" class="link person"><span>Virkkula, A.</span></a>, <span>Timonen, H.</span>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/markku-vainio" class="link person"><span>Vainio, M.</span></a> & <span>Hieta, T.</span>, <span class="date">2022</span>, <em>Laser Applications to Chemical, Security and Environmental Analysis, LACSEA 2022.</em> <a rel="Publisher" href="#" class="link"><span>Optica Publishing Group (formerly OSA)</span></a>, LW4D.5. (Optics InfoBase Conference Papers).<p class="type"><span class="type_family">Forskningsoutput<span class="type_family_sep">: </span></span><span class="type_classification_parent">Kapitel i bok/rapport/konferenshandling<span class="type_parent_sep"> › </span></span><span class="type_classification">Konferensbidrag</span><span class="type_classification"><span class="type_parent_sep"> › </span>Vetenskaplig</span><span class="type_classification"><span class="type_parent_sep"> › </span>Peer review</span></p></div> </div> </li> <li class="list-result-item"> <div class="result-container"> <div class="rendering rendering_researchoutput rendering_researchoutput_portal-short rendering_contributiontojournal rendering_portal-short rendering_contributiontojournal_portal-short"><h3 class="title"><a rel="ContributionToJournal" href="https://researchportal.helsinki.fi/sv/publications/influence-of-biogenic-emissions-from-boreal-forests-on-aerosol-cl" class="link"><span>Influence of biogenic emissions from boreal forests on aerosol-cloud interactions</span></a></h3><a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/tuukka-pet%C3%A4j%C3%A4" class="link person"><span>Petäjä, T.</span></a>, Tabakova, K., Manninen, A., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/ekaterina-ezhova" class="link person"><span>Ezhova, E.</span></a>, O'Connor, E., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/dmitri-moisseev" class="link person"><span>Moisseev, D.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/victoria-sinclair" class="link person"><span>Sinclair, V.</span></a>, Backman, J., Levula, J., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/krista-luoma" class="link person"><span>Luoma, K.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/aki-olavi-virkkula" class="link person"><span>Virkkula, A.</span></a>, Paramonov, M., Räty, M., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/mikko-%C3%A4ij%C3%A4l%C3%A4" class="link person"><span>Äijälä, M.</span></a>, Heikkinen, L., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/mikael-ehn" class="link person"><span>Ehn, M.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/mikko-sipil%C3%A4" class="link person"><span>Sipilä, M.</span></a>, Yli-Juuti, T., Virtanen, A. & Ritsche, M.<a onclick="$(this).next('span').toggleClassName('common_hidden');$(this).addClassName('common_hidden'); return pure.stopEvent(event);" href="#" class="link"><span> & 7 andra</span></a>, <span class="common_hidden publication_authors_full_inline_list">Hickmon, N., Pulik, G., Rosenfeld, D., Worsnop, D., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/jaana-b%C3%A4ck" class="link person"><span>Back, J.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/markku-kulmala" class="link person"><span>Kulmala, M.</span></a> & <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/veli-matti-kerminen" class="link person"><span>Kerminen, V.-M.</span></a></span>, <span class="date">jan. 2022</span>, <span class="journal">I: <a rel="Journal" href="#" class="link"><span>Nature Geoscience.</span></a></span> <span class="volume">15</span>, <span class="journalnumber">1</span>, <span class="pages">s. 42-+</span> <span class="numberofpages">18 s.</span><p class="type"><span class="type_family">Forskningsoutput<span class="type_family_sep">: </span></span><span class="type_classification_parent">Tidskriftsbidrag<span class="type_parent_sep"> › </span></span><span class="type_classification">Artikel</span><span class="type_classification"><span class="type_parent_sep"> › </span>Vetenskaplig</span><span class="type_classification"><span class="type_parent_sep"> › </span>Peer review</span></p></div> <div class="rendering rendering_researchoutput rendering_researchoutput_publicationattacheddocumentsportalrenderer rendering_contributiontojournal rendering_publicationattacheddocumentsportalrenderer rendering_contributiontojournal_publicationattacheddocumentsportalrenderer"><div class="open-access">Öppen tillgång</div><div class="files">Fil</div></div> </div> </li> </ul> </div> <div class="footer"> <div class="view-all"> <a class="portal_link btn-primary btn-large" href="/sv/persons/aki-olavi-virkkula/publications/"><span> Visa alla 128 publikationer <i class="icon icon-right-open-mini" aria-hidden="true"></i> </span></a> </div> </div> </div> </div> <div class="page-section content-relation-section person-projects"> <div class="container"> <div class="header"> <h2 class="section-title" id="related-projects-title"> <i class="icon icon-projects" aria-hidden="true"></i> <span class="title"> Projekter </span> </h2> <div class="content-trends"> <button rel="toggle-project-chart" data-year-url="/sv/persons/aki-olavi-virkkula/projects/?projectStartYear=" aria-label="Projekt per år" class="chart-toggler" aria-expanded="false"> <span class="title"> Projekt per år <img src="/assets/gizmo-expand-61f33ba7afaffaa77611abfb62f97a9e.svg" aria-hidden="true" alt="" class="expand" /> <img src="/assets/gizmo-contract-7adbcd523b1972d72d537e479dd74798.svg" aria-hidden="true" alt="" class="contract" /> </span> <span class="inline-trend-graph"> <span class="year year-start">2011</span> <span class="trend-graph-wrapper"> <span class="bar" style="height: 100%;"> <span aria-expanded="false" role="tooltip">2011</span> </span> </span> <span class="year year-end">2011</span> </span> </button> <ul class="content-statistics"> <li class=""> <a class="portal_link count increment-counter" aria-label="1 Slutfört" href="/sv/persons/aki-olavi-virkkula/projects/?status=FINISHED"><span> 1 </span></a> <span class="label">Slutfört</span> </li> </ul> <div class="flex-break"></div> <div class="chart-container" id="chart-content-projects-by-year" style="display: none;" aria-hidden="true" tabindex="-1"> <p class="legend">Projekt per år</p> <div class="chart-wrapper"> <canvas></canvas> </div> </div> <table id="project-container-table" class="sr-only" aria-hidden="true"></table> <script> $("#chart-content-projects-by-year").contentChart({ toggle: "button[rel='toggle-project-chart']", title: "Projekt per år", labels: [2011], values: [1], tableContainer : $('#project-container-table'), }); </script> </div> </div> <div class="relation-list relation-list-projects"> <ul class="list-results"> <li class="list-result-item"> <div class="result-container"> <div class="rendering rendering_upmproject rendering_short rendering_upmproject_short"><h3 class="title"><a rel="UPMProject" href="https://researchportal.helsinki.fi/sv/projects/center-of-excellence-in-physics-chemistry-biology-and-meteorology" class="link"><span>Center of Excellence in in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change (ATM)</span></a></h3><p><a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/juho-aalto" class="link person"><span>Aalto, J.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/pasi-aalto" class="link person"><span>Aalto, P.</span></a>, Aaltonen, H., Altimir, N., Arneth, A., Asmi, A., Backman, J., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/marja-bister" class="link person"><span>Bister, M.</span></a>, Bonn, B., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/michael-boy" class="link person"><span>Boy, M.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/jaana-b%C3%A4ck" class="link person"><span>Bäck, J.</span></a>, Chandrasekar, V., Dal Maso, M., De Leeuw, G., Duursma, R., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/mikael-ehn" class="link person"><span>Ehn, M.</span></a>, Franchin, A., Gagne, S., Göke, S., Haapanala, S., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/pertti-hari" class="link person"><span>Hari, P.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/kari-hartonen" class="link person"><span>Hartonen, K.</span></a>, Herrmann, E., Hienola, A., Hilasvuori, E., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/tareq-hussein" class="link person"><span>Hussein, T.</span></a>, Hyötyläinen, T., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/kaarle-h%C3%A4meri" class="link person"><span>Hämeri, K.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/teemu-h%C3%B6ltt%C3%A4" class="link person"><span>Hölttä, T.</span></a>, Julin, J. D., Junninen, H., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/matti-jussila" class="link person"><span>Jussila, M.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/eija-juurola" class="link person"><span>Juurola, E.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/leena-j%C3%A4rvi" class="link person"><span>Järvi, L.</span></a>, Kajos, M., Katul, G., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/veli-matti-kerminen" class="link person"><span>Kerminen, V.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/petri-keronen" class="link person"><span>Keronen, P.</span></a>, Kieloaho, A., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/pasi-kolari" class="link person"><span>Kolari, P.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/janne-korhonen" class="link person"><span>Korhonen, J.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/liisa-kulmala" class="link person"><span>Kulmala, L.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/markku-kulmala" class="link person"><span>Kulmala, M.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/theo-kurten" class="link person"><span>Kurten, T.</span></a>, Duplissy (née Kyrö), E., Laakso, L., Laitinen, T., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/hanna-lappalainen" class="link person"><span>Lappalainen, H. K.</span></a>, Launiainen, S., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/katja-anniina-lauri" class="link person"><span>Lauri, K. A.</span></a>, Lauros, J., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/katrianne-lehtipalo" class="link person"><span>Lehtipalo, K.</span></a>, Levula, J., Liao, L., Linden, A., Loukonen, V., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/risto-makkonen" class="link person"><span>Makkonen, R.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/ivan-mammarella" class="link person"><span>Mammarella, I.</span></a>, Manninen, H., McGrath, M., Merikanto, J., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/dmitri-moisseev" class="link person"><span>Moisseev, D.</span></a>, Mölgaard, B., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/annikki-m%C3%A4kel%C3%A4" class="link person"><span>Mäkelä, A.</span></a>, Määttänen, A. E., Napari, I. I., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/tuomo-nieminen-2" class="link person"><span>Nieminen, T.</span></a>, Nikinmaa, E., Nordbo, A., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/be%C3%B1at-olascoaga-gracia" class="link person"><span>Olascoaga Gracia, B.</span></a>, Ortega Colomer, I., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/pauli-paasonen" class="link person"><span>Paasonen, P.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/jevgeni-parshintsev" class="link person"><span>Parshintsev, J.</span></a>, Patokoski, J., Perämäki, M. K., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/tuukka-pet%C3%A4j%C3%A4" class="link person"><span>Petäjä, T.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/mari-pihlatie" class="link person"><span>Pihlatie, M.</span></a>, Pohja, T., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/albert-porcar-castell" class="link person"><span>Porcar-Castell, A.</span></a>, Pumpanen, J., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/maarit-raivonen" class="link person"><span>Raivonen, M.</span></a>, Rannik, U., Rasilo, T., Reissell, A., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/marja-liisa-riekkola" class="link person"><span>Riekkola, M.</span></a>, Riikonen, A., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/ilona-riipinen" class="link person"><span>Riipinen, I.</span></a>, Rinne, J., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/laura-riuttanen" class="link person"><span>Riuttanen, L.</span></a>, Ruiz-Jimenez, J., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/taina-ruuskanen" class="link person"><span>Ruuskanen, T.</span></a>, Ruusuvuori, K., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/jouni-r%C3%A4is%C3%A4nen" class="link person"><span>Räisänen, J.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/hannu-savij%C3%A4rvi" class="link person"><span>Savijärvi, H.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/pauliina-schiestl-aalto" class="link person"><span>Schiestl-Aalto, P.</span></a>, Schobesberger, S., Schultz, D., Sevanto, S., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/mikko-sipil%C3%A4" class="link person"><span>Sipilä, M.</span></a>, Sogacheva, L., Sorvari, S., Sundström, A., Suni, T., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/risto-taipale" class="link person"><span>Taipale, R.</span></a>, Toivola, M., Tomasic, M., Vakkari, V., Vana, M., Vanhanen, J., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/hanna-vehkam%C3%A4ki" class="link person"><span>Vehkamäki, H.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/timo-vesala" class="link person"><span>Vesala, T.</span></a>, <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/aki-olavi-virkkula" class="link person"><span>Virkkula, A. O.</span></a>, Worsnop, D., Vuollekoski, H., Väänänen, R., Yli-Juuti, T., Zilitinkevich, S., Asmi, E., <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/anatoli-bogdan" class="link person"><span>Bogdan, A.</span></a> & <a rel="Person" href="https://researchportal.helsinki.fi/sv/persons/nonne-prisle" class="link person"><span>Prisle, N.</span></a></p><p class="period"><span class="date">23/02/2011</span> → <span class="date">23/02/2011</span></p><p class="type"><span class="type_family">Projekt<span class="type_family_sep">: </span></span><span class="type_classification">Forskningsutvärdering 2011</span></p></div> <div class="rendering rendering_upmproject rendering_documentsattachedportalrendererng rendering_upmproject_documentsattachedportalrendererng"></div> </div> </li> </ul> </div> <div class="footer"> </div> </div> </div> </section> <div class="share-box"> <ul> <li class="icon-share"></li> <li><a aria-label="Dela på Facebook" href="https://www.facebook.com/sharer.php?u=https://researchportal.helsinki.fi/sv/persons/aki-olavi-virkkula%3Futm_source%3Dfacebook%26utm_medium%3Dsocial%26utm_campaign%3Dsharelink&p[summary]=Se+denna+researcher+p%C3%A5+Helsingfors+universitet%3A+Aki+Olavi+Virkkula" class="icon-facebook" onclick="window.location.origin('https://www.facebook.com/sharer.php?u=https://researchportal.helsinki.fi/sv/persons/aki-olavi-virkkula%3Futm_source%3Dfacebook%26utm_medium%3Dsocial%26utm_campaign%3Dsharelink&p[summary]=Se+denna+researcher+p%C3%A5+Helsingfors+universitet%3A+Aki+Olavi+Virkkula', 'Facebook', 'width=600,height=600,scrollbars=no,resizable=no'); 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