{"id":6299,"date":"2026-10-19T09:48:44","date_gmt":"2026-10-19T09:48:44","guid":{"rendered":"https:\/\/phd.hi.is\/doktorsvorn\/doktorsvorn-i-umhverfisverkfraedi-tarek-a-m-zaqout\/"},"modified":"2026-10-19T09:48:44","modified_gmt":"2026-10-19T09:48:44","slug":"doktorsvorn-i-umhverfisverkfraedi-tarek-a-m-zaqout","status":"publish","type":"phd_defence","link":"https:\/\/phd.hi.is\/en\/doktorsvorn\/doktorsvorn-i-umhverfisverkfraedi-tarek-a-m-zaqout\/","title":{"rendered":"Doktorsv\u00f6rn \u00ed umhverfisverkfr\u00e6\u00f0i – Tarek A. M. Zaqout"},"content":{"rendered":"
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Streymi<\/strong><\/a><\/p>\n

Doktorsefni:<\/strong>\u00a0Tarek A. M. Zaqout<\/p>\n

Heiti ritger\u00f0ar:<\/strong>\u00a0Vatnafr\u00e6\u00f0ileg skilvirkni bl\u00e1gr\u00e6nna ofanvatnslausna \u00ed k\u00f6ldu sj\u00e1varloftslagi (Hydrologic Performance of Sustainable Urban Drainage Systems in Cold Maritime Climates)<\/p>\n

Andm\u00e6lendur:
<\/strong>Dr. Tone Merete Muthanna, pr\u00f3fessor vi\u00f0 NTNU, Noregi
Dr. Ryan Winston, lektor vi\u00f0 Ohio State University, Bandar\u00edkjunum<\/p>\n

Lei\u00f0beinandi:<\/strong>\u00a0Dr. Hrund \u00d3l\u00f6f Andrad\u00f3ttir, pr\u00f3fessor vi\u00f0 Umhverfis- og byggingarverkfr\u00e6\u00f0ideild H\u00cd<\/p>\n

Einnig \u00ed doktorsnefnd:
<\/strong>Dr. \u00d3lafur Gestur Arnalds, pr\u00f3fessor vi\u00f0 Landb\u00fana\u00f0arh\u00e1sk\u00f3la \u00cdslands
<\/strong>Dr. Johanna S\u00f6rensen, d\u00f3sent vi\u00f0 H\u00e1sk\u00f3lann \u00ed Lundi, Sv\u00ed\u00fej\u00f3\u00f0<\/p>\n

Doktorsv\u00f6rn st\u00fdrir:<\/strong>\u00a0Dr. Gu\u00f0mundur Freyr \u00dalfarsson, pr\u00f3fessor og deildarforseti Umhverfis- og byggingarverkfr\u00e6\u00f0ideildar H\u00cd<\/p>\n

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

Bl\u00e1gr\u00e6nar ofanvatnslausnir (BGO) eru \u00ed auknum m\u00e6li innleiddar til \u00feess a\u00f0 draga \u00far fl\u00f3\u00f0ah\u00e6ttu, auka umhverfisg\u00e6\u00f0i og vell\u00ed\u00f0an \u00ed borgum. Gr\u00f3\u00f0urr\u00e1sir eru algeng \u00fatf\u00e6rsla \u00e1 BGO, en hafa minnst veri\u00f0 kanna\u00f0ar \u00ed k\u00f6ldu loftslagi. Markmi\u00f0 \u00feessarar ranns\u00f3knar var a\u00f0 meta virkni gr\u00f3\u00f0urr\u00e1sar \u00ed k\u00f6ldu sj\u00e1varloftslagi, sem einkennist af t\u00ed\u00f0um umhleypingum frosts og \u00fe\u00ed\u00f0u, \u00feegar rignir\u00e1 snj\u00f3 og snj\u00f3br\u00e1\u00f0 \u00e1 mi\u00f0jum vetri. Framkv\u00e6mdar voru afrennslistilraunir, \u00edsigsm\u00e6lingar og samfelldar m\u00e6lingar \u00e1 jar\u00f0vegi og ve\u00f0urfari yfir tveggja \u00e1ra t\u00edmabil \u00ed umhverfisvotta\u00f0a hverfinu Urri\u00f0aholti \u00ed Gar\u00f0ab\u00e6. Gr\u00f3\u00f0urr\u00e1sin mi\u00f0la\u00f0i vatni \u00ed jar\u00f0veg \u00e1 \u00f6llum \u00e1rst\u00ed\u00f0um, en \u00fe\u00f3 me\u00f0 l\u00e6gri skilvirkni vegna frostmyndunar a\u00f0 vetri. Strj\u00e1l og gr\u00f3\u00f0urlaus sv\u00e6\u00f0i voru n\u00e6mari en gras fyrir h\u00fdfingu og myndun steypufrosts \u00ed kj\u00f6lfar endurtekinna frosts-\u00fe\u00ed\u00f0u kafla. \u00de\u00e9tt bl\u00f6\u00f0 og samofi\u00f0 r\u00f3tarkerfi grass hj\u00e1lpu\u00f0u vi\u00f0 a\u00f0 vi\u00f0halda vatnafr\u00e6\u00f0ilegri virkni, me\u00f0 \u00fev\u00ed a\u00f0 auka gleypni yfirbor\u00f0s og binda jar\u00f0veg svo hann aflagist ekki. Hermanir \u00e1 jar\u00f0vegshita g\u00e1fu til kynna a\u00f0 dregi\u00f0 hafi \u00far frosti \u00e1 s\u00ed\u00f0ustu 70 \u00e1rum, a\u00f0 frostt\u00edmabili\u00f0 hafi styst \u00ed \u00e1tt a\u00f0 m\u00e1nu\u00f0um \u00fear sem mesta rigning m\u00e6list \u00e1 snj\u00f3. \u00deessi \u00fer\u00f3un samhli\u00f0a meiri \u00farkomu \u00e1 snj\u00f3 gefur v\u00edsbendingu um a\u00f0 h\u00e6tta \u00e1 ofanfl\u00f3\u00f0um \u00ed \u00fe\u00e9ttb\u00fdli geti aukist \u00e1 n\u00e6stu \u00e1ratugum me\u00f0 hl\u00fdnandi loftslagi. A\u00f0 vi\u00f0halda gr\u00e6num sv\u00e6\u00f0um \u00ed borg er nau\u00f0synlegt til a\u00f0 auka vi\u00f0n\u00e1ms\u00feol og draga \u00far neikv\u00e6\u00f0um \u00e1hrifum hnattr\u00e6nnar hl\u00fdnunar.<\/p>\n

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

Tarek Zaqout f\u00e6ddist \u00ed Tr\u00edpol\u00ed \u00ed L\u00edb\u00edu en \u00f3lst upp \u00ed Palest\u00ednu. Hann hlaut grunnmenntun \u00ed Gazaborg \u00e1 hernumdu sv\u00e6\u00f0i Palest\u00ednumanna. Tarek lauk BS-pr\u00f3fi \u00ed byggingarverkfr\u00e6\u00f0i fr\u00e1 \u00cdslamska H\u00e1sk\u00f3lanum \u00ed Gaza \u00e1ri\u00f0 2014. A\u00f0 n\u00e1mi loknu starfa\u00f0i hann \u00ed Dubai sem verkfr\u00e6\u00f0ingur, me\u00f0 \u00e1herslu \u00e1 byggt umhverfi.<\/p>\n

\u00c1ri\u00f0 2015 flutti Tarek til \u00de\u00fdskalands til \u00feess a\u00f0 nema vatnaverkfr\u00e6\u00f0i og stj\u00f3rnun vi\u00f0 H\u00e1sk\u00f3lann \u00ed Stuttgart og lauk \u00fear MS-pr\u00f3fi. Eftir \u00fatskrift starfa\u00f0i hann vi\u00f0 verkfr\u00e6\u00f0ifyrirt\u00e6ki\u00f0 diem.baker GbR \u00ed Ditzingen.<\/p>\n

Tarek h\u00f3f doktorsn\u00e1m \u00ed umhverfisverkfr\u00e6\u00f0i vi\u00f0 H\u00e1sk\u00f3la \u00cdslands \u00ed okt\u00f3ber 2018.<\/p>\n


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

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