{"id":6435,"date":"2026-10-19T09:48:54","date_gmt":"2026-10-19T09:48:54","guid":{"rendered":"https:\/\/phd.hi.is\/doktorsvorn\/doktorsvorn-i-umhverfisfraedi-sarah-olson\/"},"modified":"2026-10-19T09:48:54","modified_gmt":"2026-10-19T09:48:54","slug":"doktorsvorn-i-umhverfisfraedi-sarah-olson","status":"publish","type":"phd_defence","link":"https:\/\/phd.hi.is\/en\/doktorsvorn\/doktorsvorn-i-umhverfisfraedi-sarah-olson\/","title":{"rendered":"Doktorsv\u00f6rn \u00ed umhverfisfr\u00e6\u00f0i &#8211; Sarah Olson"},"content":{"rendered":"<div class=\"field-items\">\n<div class=\"field-item even\" property=\"content:encoded\">\n<p><strong>Doktorsefni:<\/strong><br \/>  Sarah Olson<\/p>\n<p><strong>Heiti ritger\u00f0ar:<\/strong><br \/>  L\u00edfsst\u00edll innan 1,5 gr\u00e1\u00f0u hl\u00fdnunarmarka: Greining \u00e1 neyslutengdum kolefnisf\u00f3tsporum \u00e1 Nor\u00f0url\u00f6ndum<strong> <\/strong><\/p>\n<p><strong>Andm\u00e6lendur:<\/strong><br \/>  Dr. Diana Ivanova, lektor \u00ed umhverfis- og loftslagsstj\u00f3rnun, H\u00e1sk\u00f3linn \u00ed Leeds, Bretlandi<br \/>  Dr. Annukka Vainio, pr\u00f3fessor vi\u00f0 sk\u00f3gv\u00edsindadeild H\u00e1sk\u00f3lans \u00ed Helsinki, Finnlandi<\/p>\n<p><strong>Lei\u00f0beinandi:<\/strong><br \/>  Dr. Jukka Heinonen, pr\u00f3fessor vi\u00f0 Umhverfis- og byggingarverkfr\u00e6\u00f0ideild H\u00e1sk\u00f3la \u00cdslands<\/p>\n<p><strong>Einnig \u00ed doktorsnefnd: <\/strong>Dr. \u00c1r\u00f3ra \u00c1rnad\u00f3ttir, N\u00fddoktor vi\u00f0 Umhverfis og byggingarverkfr\u00e6\u00f0deild H\u00e1sk\u00f3la \u00cdslands, \u00cdsland Dr. Juudit Ottelin, d\u00f3sent vi\u00f0 orku- og ferliverkfr\u00e6\u00f0ideild Norska v\u00edsinda- og t\u00e6knih\u00e1sk\u00f3lann, Noregi<\/p>\n<p><strong>Stj\u00f3rnandi varnar:<\/strong><br \/>  Dr. Hrund \u00d3l\u00f6f Andrad\u00f3ttir, pr\u00f3fessor og deildarforseti Umhverfis- og byggingaverkfr\u00e6\u00f0ideildar H\u00e1sk\u00f3la \u00cdslands<\/p>\n<p><strong>\u00c1grip:<\/strong><br \/>  Breytingar \u00e1 l\u00edfsst\u00edl og neysluvenjum f\u00f3lks eru nau\u00f0synlegar til a\u00f0 draga \u00far loftslagsbreytingum og til a\u00f0 lifa innan 1,5 gr\u00e1\u00f0u hl\u00fdnunarmarka. Neysludrifin losun hj\u00e1 velmegandi \u00fej\u00f3\u00f0um n\u00e6r langt yfir \u00feessi vi\u00f0mi\u00f0, \u00fer\u00e1tt fyrir miklar \u00e1hyggjur \u00edb\u00faa af loftslagsm\u00e1lum. \u00deessi ritger\u00f0 sko\u00f0ar mismunandi valkosti \u00e1 neysluvenjum me\u00f0 l\u00e1gu kolefnisf\u00f3tspori \u00ed norr\u00e6nu samhengi me\u00f0 \u00fea\u00f0 a\u00f0 markmi\u00f0i a\u00f0 greina hva\u00f0a \u00e1hrif \u00fe\u00e6r hafa \u00e1 neyslutengd kolefnisf\u00f3tspor f\u00f3lks \u00e1samt \u00fev\u00ed a\u00f0 sko\u00f0a hvernig \u00e1hyggjur af loftslagsm\u00e1lum og hvati til a\u00f0 minnka kolefnisf\u00f3tspor einstaklinga geti haft \u00e1 neyslutengd kolefnisf\u00f3tspor. Eftirfarandi ranns\u00f3knarspurningu ver\u00f0ur svara\u00f0 \u00ed ritger\u00f0inni: hvernig geta \u00edb\u00faar \u00e1 nor\u00f0url\u00f6ndum lifa\u00f0 innan 1,5 gr\u00e1\u00f0u hl\u00fdnunarmarka? G\u00f6gn \u00far k\u00f6nnun sem reikna\u00f0i \u00fat kolefnisf\u00f3tspor \u00edb\u00faa \u00e1 nor\u00f0url\u00f6ndunum voru notu\u00f0 til a\u00f0 svara spurningunni \u00fear sem 8000 einstaklingur t\u00f3ku \u00fe\u00e1tt. A\u00f0 me\u00f0altali voru kolefnisf\u00f3tspor \u00fe\u00e1tttakenda yfir 1,5 gr\u00e1\u00f0u samh\u00e6f\u00f0um m\u00f6rkum. L\u00e1gkolefnisneysluvalkostirnir me\u00f0 l\u00e6gstu kolefnisf\u00f3tsporin voru me\u00f0al annars gr\u00e6nkeraf\u00e6\u00f0i, b\u00edllaus l\u00edfsst\u00edll og a\u00f0 sleppa \u00fev\u00ed a\u00f0 flj\u00faga. Neikv\u00e6\u00f0 hli\u00f0ar\u00e1hrif (e. rebound effects) \u00ed tengslum vi\u00f0 \u00feessar l\u00e1gkolefnisa\u00f0ger\u00f0ir voru almennt takmarka\u00f0ar og \u00f3verulegar, sem er \u00ed andst\u00f6\u00f0u vi\u00f0 miki\u00f0 af fyrri ranns\u00f3knum. \u00de\u00e1tttaka \u00ed m\u00f6rgum af kolefnisl\u00e1gu valkostunum var takm\u00f6rku\u00f0 og svarendur \u00feurftu a\u00f0 mestu a\u00f0 taka \u00fe\u00e1tt \u00ed m\u00f6rgum sl\u00edkum til a\u00f0 n\u00e1 1,5 gr\u00e1\u00f0u samh\u00e6f\u00f0u f\u00f3tspori. Miklar \u00e1hyggjur af st\u00f6\u00f0u loftslagsm\u00e1la, hvatning og \u00fe\u00e1tttaka \u00ed loftslagsa\u00f0ger\u00f0um \u00fdttu undir l\u00e6gri kolefnisf\u00f3tspor sem var \u00fe\u00f3 ekki n\u00f3g fyrir 1,5 gr\u00e1\u00f0u samh\u00e6f\u00f0 stig.<\/p>\n<p><strong>Um doktorsefni\u00f0:<\/strong><br \/>  Sarah Olson er f\u00e6dd og uppalin \u00ed Bandar\u00edkjunum og h\u00fan flutti til \u00cdslands \u00e1ri\u00f0 2017. H\u00fan lauk M.S. \u00ed umhverfis- og au\u00f0lindafr\u00e6\u00f0i vi\u00f0 H\u00e1sk\u00f3la \u00cdslands \u00e1ri\u00f0 2019. H\u00fan lauk B.S. \u00ed grasafr\u00e6\u00f0i vi\u00f0 University of Wisconsin-Madison \u00e1ri\u00f0 2004.<\/p>\n<\/div><\/div>","protected":false},"featured_media":5823,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_phd_date_start":"2024-12-10T09:00:00+00:00","_phd_date_end":"2024-12-10T11:00:00+00:00","_phd_location":"A\u00f0albygging H\u00e1t\u00ed\u00f0arsalur","_phd_admission":"A\u00f0gangur \u00f3keypis","_phd_thesis_title":"L\u00edfsst\u00edll innan 1,5 gr\u00e1\u00f0u hl\u00fdnunarmarka: Greining \u00e1 neyslutengdum kolefnisf\u00f3tsporum \u00e1 Nor\u00f0url\u00f6ndum","_phd_source_url":"https:\/\/gamli.hi.is\/vidburdir\/doktorsvorn_i_umhverfisfraedi_sarah_olson","_phd_source_node_id":"437406","_phd_source_type":"vidburdir","_phd_member_id":976,"footnotes":""},"phd_school":[98,93],"phd_discipline":[99],"class_list":["post-6435","phd_defence","type-phd_defence","status-publish","has-post-thumbnail","hentry","phd_school-umhverfis-og-byggingarverkfraedideild","phd_school-verkfraedi-og-natturuvisindasvid","phd_discipline-phd-i-umhverfisfraedi"],"_links":{"self":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_defence\/6435","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_defence"}],"about":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/types\/phd_defence"}],"version-history":[{"count":0,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_defence\/6435\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/media\/5823"}],"wp:attachment":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/media?parent=6435"}],"wp:term":[{"taxonomy":"phd_school","embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_school?post=6435"},{"taxonomy":"phd_discipline","embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_discipline?post=6435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}