{"id":6229,"date":"2026-10-19T09:48:39","date_gmt":"2026-10-19T09:48:39","guid":{"rendered":"https:\/\/phd.hi.is\/doktorsvorn\/doktorsvorn-i-umhverfisfraedi-sigurdur-eyberg-johannesson\/"},"modified":"2026-10-19T09:48:39","modified_gmt":"2026-10-19T09:48:39","slug":"doktorsvorn-i-umhverfisfraedi-sigurdur-eyberg-johannesson","status":"publish","type":"phd_defence","link":"https:\/\/phd.hi.is\/en\/doktorsvorn\/doktorsvorn-i-umhverfisfraedi-sigurdur-eyberg-johannesson\/","title":{"rendered":"Doktorsv\u00f6rn \u00ed umhverfisfr\u00e6\u00f0i – Sigur\u00f0ur Eyberg J\u00f3hannesson"},"content":{"rendered":"
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V\u00f6rninni ver\u00f0ur streymt<\/a><\/p>\n

Doktorsefni:<\/strong>\u00a0Sigur\u00f0ur Eyberg J\u00f3hannesson<\/p>\n

Heiti ritger\u00f0ar:<\/strong>\u00a0\u00d3vissa \u00ed vistsporsreikningum eftir sta\u00f0la\u00f0ri a\u00f0fer\u00f0 (Uncertainty in Ecological Footprint standard method accounts)<\/p>\n

Andm\u00e6lendur:<\/strong> Dr. Manfred Lenzen, pr\u00f3fessor vi\u00f0 H\u00e1sk\u00f3lann \u00ed Sydney, \u00c1stral\u00edu
Dr. Andrea Saltelli, Open University of Catalonia, Sp\u00e1ni<\/p>\n

Lei\u00f0beinandi:<\/strong>\u00a0Dr. Jukka T. Heinonen, pr\u00f3fessor vi\u00f0 Umhverfis- og byggingarverkfr\u00e6\u00f0ideild H\u00e1sk\u00f3la \u00cdslands<\/p>\n

Einnig \u00ed doktorsnefnd:<\/strong>
<\/strong>Dr. Brynhildur Dav\u00ed\u00f0sd\u00f3ttir, pr\u00f3fessor \u00ed umhverfis og au\u00f0indafr\u00e6\u00f0i vi\u00f0 H\u00e1sk\u00f3la \u00cdslands
Dr. Eeva-Sofia Sa\u0308yna\u0308joki, vi\u00f0skiptastj\u00f3ri Kiinko, Finnlandi<\/p>\n

Doktorsv\u00f6rn st\u00fdrir:<\/strong>\u00a0Dr. Gu\u00f0mundur Freyr \u00dalfarsson, pr\u00f3fessor og deildarforseti Umhverfis- og byggingarverkfr\u00e6\u00f0ideildar H\u00e1sk\u00f3la \u00cdslands.<\/p>\n

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

Krafan um sja\u0301lfb\u00e6ra \u00fero\u0301un ver\u00f0ur sto\u0308\u00f0ugt ha\u0301v\u00e6rari. Ein aflei\u00f0ing \u00feess er a\u00f0 hugtaki\u00f0 sja\u0301lfb\u00e6rni er nu\u0301 or\u00f0i\u00f0 hluti af daglegu ma\u0301li, ekki si\u0301st me\u00f0al stjo\u0301rnma\u0301lamanna. Til \u00feess a\u00f0 hugtaki\u00f0 hafi einhverja raunverulega merkingu \u00feurfum vi\u00f0 m\u00e6lanlegar skilgreiningar a\u0301 \u00fevi\u0301. Vi\u00f0 \u00feurfum a\u00f0 vita hva\u00f0 er sja\u0301lfb\u00e6rt og hva\u00f0 ekki. \u00dea\u00f0 er einmitt \u00fea\u0301 sem sja\u0301lfb\u00e6rnin fer a\u00f0 fl\u00e6kjast. A\u00f0 skilgreina me\u00f0 afgerandi h\u00e6tti hva\u00f0 er sja\u0301lfb\u00e6rt og hva\u00f0 ekki er na\u0301nast o\u0301mo\u0308gulegt \u2013 ekki si\u0301st i\u0301 heimi sto\u0301rt\u00e6kra, hnattr\u00e6nna vi\u00f0skipta. Snemma a\u0301 ti\u0301unda a\u0301ratug si\u0301\u00f0ustu aldar kalla\u00f0i UNCED eftir sja\u0301lfb\u00e6rnivi\u0301sum (e. sustainability indicators) til a\u00f0 takast a\u0301 vi\u00f0 \u00feennan vanda. Vi\u0301sunum var \u00e6tla\u00f0 a\u00f0 gefa vi\u0301sbendingar um hva\u00f0 v\u00e6ri sja\u0301lfb\u00e6rt og hva\u00f0 ekki og hja\u0301lpa \u00feannig til vi\u00f0 a\u00f0 skapa hinn lang\u00fera\u0301\u00f0a sja\u0301lfb\u00e6ra heim. I\u0301 kjo\u0308lfari\u00f0 var mikill fjo\u0308ldi sli\u0301kra vi\u0301sa hanna\u00f0ur og \u00fear a\u0301 me\u00f0al vi\u0301sir sem nefndist vistspor (e. Ecological Footprint). Vistspori\u00f0 hefur noti\u00f0 \u201efa\u0301d\u00e6ma velgengni\u201c (e. extreme success) a\u00f0 mati sumra fr\u00e6\u00f0imanna en hefur jafnframt fengi\u00f0 a\u0301 sig har\u00f0a gagnry\u0301ni. Markmi\u00f0 \u00feessarar rannso\u0301knar var a\u00f0 leggja mat a\u0301 vi\u0301sinn u\u0301t fra\u0301 o\u0301vissu\u00fea\u0301ttum i\u0301 inntaksbreytum (e. input parameters). I\u0301sland var nota\u00f0 sem se\u0301rst\u00e6tt tilvik fyrir rannso\u0301knina en landi\u00f0 er fra\u0301vik i\u0301 vistsporsm\u00e6lingum vegna gri\u0301\u00f0arsto\u0301rs vistspors. \u00de\u00e6ttirnir sem innihe\u0301ldu mestu o\u0301vissuna voru sja\u0301varspor og kolefnisspor og var na\u0301nar kafa\u00f0 ofan i\u0301 \u00feessa \u00fe\u00e6tti. Ni\u00f0ursto\u0308\u00f0ur rannso\u0301knarinnar birtust i\u0301 \u00feremur greinum i\u0301 ritry\u0301ndum vi\u0301sindati\u0301maritum. Ni\u00f0ursto\u0308\u00f0urnar benda til talsver\u00f0rar o\u0301vissu i\u0301 vistsporsm\u00e6lingum og ma\u0301 rekja a\u0301st\u00e6\u00f0ur hennar til grunninntaksgagna, skorts a\u0301 \u00feekkingu a\u0301 y\u0301msum na\u0301ttu\u0301rulegum ferlum a\u0301samt sam\u00fejo\u0308ppun og me\u00f0altalsnotkun. Sex lei\u00f0ir til a\u00f0 vega a\u0301 mo\u0301ti \u00feessum vandama\u0301lum voru lag\u00f0ar til. Umr\u00e6dd o\u0301vissa gerir \u00fea\u00f0 a\u00f0 verkum a\u00f0 vistspori\u00f0 er u\u0301tsett fyrir misnotkun og misvi\u0301sandi skilabo\u00f0um og \u00feess vegna er nau\u00f0synlegt a\u00f0 gera sky\u0301ra grein fyrir o\u0301vissunni \u00feegar sli\u0301kar ni\u00f0ursto\u0308\u00f0ur eru kynntar. Vi\u00f0 a\u00f0st\u00e6\u00f0ur sem \u00feessar geta vi\u0301sindin au\u00f0veldlega gruggast og \u00fevi\u0301 er mikilv\u00e6gt a\u00f0 halda vi\u0301sindunum algjo\u0308rlega o\u0301ha\u0301\u00f0um po\u0301liti\u0301k e\u00f0a akt\u00edvisma af nokkru tagi.<\/p>\n

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

Sigur\u00f0ur Eyberg J\u00f3hannesson f\u00e6ddist \u00ed Keflav\u00edk snemma \u00e1 \u00e1ttunda \u00e1ratug s\u00ed\u00f0ustu aldar. Hann starfar sem fagstj\u00f3ri n\u00e1ms \u00ed sj\u00e1lfb\u00e6rni og sk\u00f6pun vi\u00f0 Hallormssta\u00f0ask\u00f3la. Hann b\u00fdr me\u00f0 sex manna fj\u00f6lskyldu sinni \u00ed Reykjav\u00edk.<\/p>\n<\/div><\/div>","protected":false},"featured_media":4995,"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":"2021-03-19T08:30:00+00:00","_phd_date_end":"2021-03-19T10:30:00+00:00","_phd_location":"A\u00f0albygging H\u00e1t\u00ed\u00f0arsalur","_phd_admission":"A\u00f0gangur \u00f3keypis","_phd_thesis_title":"\u00d3vissa \u00ed vistsporsreikningum eftir sta\u00f0la\u00f0ri a\u00f0fer\u00f0 (Uncertainty in Ecological Footprint standard method accounts)","_phd_source_url":"https:\/\/gamli.hi.is\/vidburdir\/doktorsvorn_i_umhverfisfraedi_sigurdur_eyberg_johannesson","_phd_source_node_id":"373837","_phd_source_type":"vidburdir","_phd_member_id":754,"footnotes":""},"phd_school":[98,93],"phd_discipline":[99],"class_list":["post-6229","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\/6229","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\/6229\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/media\/4995"}],"wp:attachment":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/media?parent=6229"}],"wp:term":[{"taxonomy":"phd_school","embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_school?post=6229"},{"taxonomy":"phd_discipline","embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_discipline?post=6229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}