{"id":6155,"date":"2026-10-19T09:48:34","date_gmt":"2026-10-19T09:48:34","guid":{"rendered":"https:\/\/phd.hi.is\/doktorsvorn\/doktorsvorn-i-umhverfis-og-audlindafraedi-jon-orvar-geirsson-jonsson\/"},"modified":"2026-10-19T09:48:34","modified_gmt":"2026-10-19T09:48:34","slug":"doktorsvorn-i-umhverfis-og-audlindafraedi-jon-orvar-geirsson-jonsson","status":"publish","type":"phd_defence","link":"https:\/\/phd.hi.is\/en\/doktorsvorn\/doktorsvorn-i-umhverfis-og-audlindafraedi-jon-orvar-geirsson-jonsson\/","title":{"rendered":"Doktorsv\u00f6rn \u00ed Umhverfis- og au\u00f0lindafr\u00e6\u00f0i – J\u00f3n \u00d6rvar Geirsson J\u00f3nsson"},"content":{"rendered":"
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Doktorsefni:<\/strong>\u00a0J\u00f3n \u00d6rvar Geirsson J\u00f3nsson<\/p>\n

Heiti ritger\u00f0ar:<\/strong>\u00a0Jar\u00f0vegur: n\u00e1tt\u00farug\u00e6\u00f0i, hagr\u00e6n greining og sj\u00e1lfb\u00e6rniv\u00edsar\u00a0<\/p>\n

Andm\u00e6lendur:\u00a0<\/strong><\/p>\n

Dr. Giles Atkinson, pr\u00f3fessor vi\u00f0 London School of Economics and Political Science og Dr. \u00d3lafur Gestur Arnalds, pr\u00f3fessor vi\u00f0 Landb\u00fana\u00f0arh\u00e1sk\u00f3la \u00cdslands,\u00a0Au\u00f0linda- og umhverfisdeild.<\/p>\n

Lei\u00f0beinandi:<\/strong>\u00a0Dr. Brynhildur Dav\u00ed\u00f0sd\u00f3ttir<\/p>\n

Einnig \u00ed doktorsnefnd:<\/strong>\u00a0
<\/strong><\/p>\n

Dr. Krist\u00edn Vala Ragnarsd\u00f3ttir, pr\u00f3fessor vi\u00f0 Jar\u00f0v\u00edsindadeild H\u00e1sk\u00f3la \u00cdslands.\u00a0<\/p>\n

Dr. Benjamin Burkhard, pr\u00f3fessor vi\u00f0\u00a0 Leibniz Universit\u00e4t \u00ed Hannover.<\/p>\n

Doktorsv\u00f6rn st\u00fdrir:<\/strong>\u00a0Sn\u00e6bj\u00f6rn P\u00e1lsson, pr\u00f3fessor vi\u00f0 L\u00edf- og umhverfisv\u00edsindadeild H\u00e1sk\u00f3la \u00cdslands.<\/p>\n

\u00c1grip:<\/strong><\/p>\n

Abstract in Icelandic: Ritger\u00f0in fjallar um mikilv\u00e6gi jar\u00f0vegs sem n\u00e1tt\u00faruau\u00f0s. Jar\u00f0vegur gefur af s\u00e9r margv\u00edsleg n\u00e1tt\u00farug\u00e6\u00f0i sem mannkyni\u00f0 n\u00fdtur g\u00f3\u00f0s af, g\u00e6\u00f0i sem eru mannkyninu ekki alltaf s\u00fdnileg. S\u00fa sta\u00f0reynd hefur, \u00e1samt \u00f6\u00f0rum \u00fe\u00e1ttum, leitt af s\u00e9r ofn\u00fdtingu og s\u00edvaxandi hnignun jar\u00f0vegsau\u00f0s \u00e1 heimsv\u00edsu.<\/p>\n

\u00cd ritger\u00f0inni er s\u00fdnt fram \u00e1 hvernig h\u00e6gt er a\u00f0 nota a\u00f0fer\u00f0afr\u00e6\u00f0i hagfr\u00e6\u00f0innar til \u00feess a\u00f0 meta n\u00e1tt\u00farug\u00e6\u00f0i jar\u00f0vegs og draga hagr\u00e6nt mikilv\u00e6gi hans \u00ed lj\u00f3s. Hlutverk jar\u00f0vegs er sett \u00ed samhengi vi\u00f0 heimsmarkmi\u00f0 Sameinu\u00f0u \u00dej\u00f3\u00f0anna um sj\u00e1lfb\u00e6ra \u00fer\u00f3un til \u00e1rsins 2030 en \u00e1stand og g\u00e6\u00f0i jar\u00f0vegsau\u00f0lindarinnar er n\u00e1tengd m\u00f6rgum af \u00feeim markmi\u00f0um.<\/p>\n

Fjalla\u00f0 er um mikilv\u00e6gi jar\u00f0vegs \u00ed f\u00e6\u00f0u\u00f6flun n\u00fat\u00edmans og nau\u00f0syn frj\u00f3samrar gr\u00f3\u00f0urmoldar og heilbrig\u00f0s jar\u00f0vegsvistkerfis til framt\u00ed\u00f0ar. Einnig er sett fram \u00feverfagleg n\u00e1lgun vi\u00f0 ger\u00f0 \u00e1 sj\u00e1lfb\u00e6rniv\u00edsum fyrir jar\u00f0veg me\u00f0 virkri \u00fe\u00e1ttt\u00f6ku hagsmunaa\u00f0ila. Og a\u00f0 lokum er leitt \u00ed lj\u00f3s hvernig h\u00e6gt er a\u00f0 nota \u00feessar a\u00f0fer\u00f0ir, \u00fe.e. mat \u00e1 n\u00e1tt\u00farug\u00e6\u00f0um og sj\u00e1lfb\u00e6rniv\u00edsa, til \u00feess a\u00f0 meta sj\u00e1lfb\u00e6rni landb\u00fana\u00f0arkerfa \u00e1 heildst\u00e6\u00f0an h\u00e1tt \u00fat fr\u00e1 vistfr\u00e6\u00f0i-, orku- og ar\u00f0semisgreiningu sl\u00edkra kerfa. Doktorsranns\u00f3knin var framkv\u00e6md \u00e1 \u00cdsland og \u00ed Grikklandi.<\/p>\n

Um doktorsefni\u00f0:<\/strong><\/p>\n

J\u00f3n \u00d6rvar Geirsson J\u00f3nsson er f\u00e6ddur \u00e1 1977. Hann er me\u00f0 BSc pr\u00f3f \u00ed landn\u00fdtingu fr\u00e1 Landb\u00fana\u00f0arh\u00e1sk\u00f3la \u00cdslands meistaragr\u00e1\u00f0u fr\u00e1 \u00e1rinu 2006 og lauk MS n\u00e1mi \u00ed visthagr\u00e6\u00f0i fr\u00e1 Edinborgarh\u00e1sk\u00f3la \u00e1ri s\u00ed\u00f0ar.<\/p>\n

J\u00f3n \u00d6rvar er kv\u00e6ntur \u00de\u00f3ru Bj\u00f6rg Sigur\u00f0ard\u00f3ttur heimspekingi og kennara og eiga \u00feau saman \u00ferj\u00e1r d\u00e6tur.<\/p>\n

Verkefni\u00f0 J\u00f3ns \u00d6rvars var styrkt af Sj\u00f6undu Ranns\u00f3knar\u00e1\u00e6tlun ESB \u00ed gegnum SoilTrEC verkefni\u00f0. \u00a0\u00a0\u00a0\u00a0 <\/strong><\/p>\n<\/div><\/div>","protected":false},"featured_media":2086,"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":"2019-09-09T14:00:00+00:00","_phd_date_end":"2019-09-09T16:00:00+00:00","_phd_location":"A\u00f0albygging H\u00e1t\u00ed\u00f0arsalur","_phd_admission":"A\u00f0gangur \u00f3keypis","_phd_thesis_title":"Jar\u00f0vegur: n\u00e1tt\u00farug\u00e6\u00f0i, hagr\u00e6n greining og sj\u00e1lfb\u00e6rniv\u00edsar","_phd_source_url":"https:\/\/gamli.hi.is\/vidburdir\/doktorsvorn_i_umhverfis_og_audlindafraedi_jon_orvar_geirsson_jonsson","_phd_source_node_id":"323329","_phd_source_type":"vidburdir","_phd_member_id":659,"footnotes":""},"phd_school":[93,119],"phd_discipline":[121],"class_list":["post-6155","phd_defence","type-phd_defence","status-publish","has-post-thumbnail","hentry","phd_school-verkfraedi-og-natturuvisindasvid","phd_school-thverfraedilegt-framhaldsnam","phd_discipline-phd-i-umhverfis-og-audlindafraedi"],"_links":{"self":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_defence\/6155","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\/6155\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/media\/2086"}],"wp:attachment":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/media?parent=6155"}],"wp:term":[{"taxonomy":"phd_school","embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_school?post=6155"},{"taxonomy":"phd_discipline","embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_discipline?post=6155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}