Doktorsritgerðir- HÍ: Síðast bætt við

  • Neely, Rebecca Anna (University of Iceland, School of Engineering and Natural Sciences, Faculty of Earth Sciences, 2017)
    Molybdenum isotopes are used to quantify changes in Earth’s paleoredox conditions but their application relies upon a simplified model in which rivers dominate the ocean input with minor contributions from hydrothermal fluids. The effect of groundwater ...
  • Ala-Mantila, Sanna (University of Iceland, School of Engineering and Natural Sciences, Faculty of Civil and Environmental Engineering, 2017-05-05)
    Cities are engines of growth and productivity. In addition, great expectations are set upon these agglomerations to contribute to development that meets the needs of the present without compromising the ability of future generations to meet their own. ...
  • Eddudóttir, Sigrún Dögg (University of Iceland, School of Engineering and Natural Sciences, Faculty of Life and Environmental Sciences, 2016-12)
    For most of the Holocene the main driver of vegetation and environmental change in Iceland was climate, although intermittent volcanic events had short term impacts. This changed with the Norse colonisation in the late 9th century AD, from when land ...
  • Johannesdottir, Lilja (University of Iceland, School of Engineering and Natural Sciences, Faculty of Life and Environmental Sciences, 2017-06)
    The development and expansion of agriculture throughout the world has been a major driver of biodiversity loss in recent decades. Icelandic agriculture is currently not as intense and widespread as in many other western countries, and the effects of ...
  • Magnúsdóttir, Edda (Faculty of Life and Environmental Science, University of Iceland, 2017-05-19)
    The cyclically-repeated song of the male humpback whale (Megaptera novaeangliae) is an important social display on their breeding grounds, functioning in male-male interactions and/or as a reproductive display to attract females. The songs are gradually ...
  • Moreland, William (University of Iceland, School of Engineering and Natural Sciences, Faculty of Earth Sciences, 2017-07-14)
    The 10th century Eldgjá flood lava eruption, southern Iceland, was the most voluminous eruption on Earth in the last 1100 years, erupting up to 21.0 km3 of transitional alkali basaltic magma of rather uniform composition. While 19.7 km3 was erupted as ...
  • Sigurðardóttir, Sigrún (University of Iceland, School of Health Sciences, Faculty of Nursing, 2017-06)
    Background: Childhood Sexual Abuse (CSA) can have serious and far-reaching consequences for the health and well-being of both men and women. In order to develop a holistic program for Icelandic survivors of CSA it is important to base such a program ...
  • Björnsdóttir, Sigrún Vala (University of Iceland, School of Health Sciences, Faculty of Medicine, 2017-02-03)
    Background and aims: Worldwide chronic musculoskeletal (MSK) pain is a prevalent problem constituting a considerable societal burden. The aim was to investigate the prevalence of chronic MSK pain conditions in Iceland and the potential impact on physical ...
  • Guðnason, Jónas (University of Iceland, School of Engineering and Natural Sciences, Faculty of Earth Sciences, 2017-07-12)
    Iceland is one of the most volcanically active terrestrial regions on Earth. Hazards posed from volcanic eruptions to local population and life stock is well known in Iceland and the wider effects from volcanic activity have been elevated in recent ...
  • Abghoui, Younes (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences., 2017-03-13)
    Commercial design of a sustainable route for on-site production of ammo- nia represents a potential economic and environmental breakthrough. In an analogous process to the naturally occurring enzymatic mechanism, synthe- sis of ammonia could be achieved ...
  • Snorradóttir, Ásbjörg Ósk (University of Iceland, School of Health Sciences, Faculty of Medicine, 2017-06)
    Arfgeng heilablæðing (Hereditary cystatin C amyloid angiopathy (HCCAA)) er séríslenskur mýlildissjúkdómur, sem erfist ókynbundið ríkjandi og stafar af stökkbreytingu í cystatin C geninu, CST3. HCCAA tilheyrir fjölbreyttum hópi sjúkdóma sem heita cerebral ...
  • Jónsdóttir, Sigríður (University of Iceland, School of Health Sciences, Faculty of Medicine, 2017-03)
    Insect bite hypersensitivity (IBH) is a type I allergy of horses with production of IgE and release of inflammatory mediators. It is caused by bites of midges of the genus Culicoides. The disease is a recurrent dermatitis characterized by pruritic skin ...
  • Stenkewitz, Ute (University of Iceland, Faculty of Life and Environmental Sciences, 2017-05)
    The parasite fauna of the Icelandic rock ptarmigan Lagopus muta had just been described when engaging in this project in 2010. Purpose was to study the influence that parasites exhibit on ptarmigan population change over a period of 7 years (2006–2012). ...
  • Oskarsdottir, Gudrun Nina (University of Iceland, School of Health Sciences, Faculty of Medicine, 2017-06)
    Lung cancer is the third most common type of cancer and the prime cause of cancer-related deaths in Iceland. As surgical resection is the only well-defined and well-studied curative treatment, the aim is to offer surgery to as many patients as possible ...
  • Snæbjörnsdóttir, Sandra Ósk (University of Iceland, School of Engineering and Natural Sciences, Faculty of Earth Sciences, 2017-04-19)
    In-situ carbonation of basaltic rocks could provide a carbon storage solution for the long term. Permanence is essential for the success and public acceptance of carbon storage. The aim of this study was twofold, to evaluate and make a first estimate ...
  • Jóhannesdóttir, Þórdís Edda (Hugvísindastofnun. Háskóli Íslands, 2016-11)
    Jómsvíkinga saga er meðal elstu varðveittu veraldlegra sagna á Íslandi. Hún hefur að öllum líkindum verið skrifuð á fyrri hluta 13. aldar en er varðveitt í fjórum ólíkum gerðum frá miðöldum í jafnmörgum handritum. Fræðileg umfjöllun um söguna hefur ...
  • Kristinsdóttir, Jónína Vala (2016-11)
    Over the last two decades Icelandic teachers have been under growing pres¬sure to adapt their work to changes in the new curriculum guidelines and laws for schools. Teachers are now expected to meet the needs of diverse groups of children and improve ...
  • Karlsdóttir, Kristín (University of Iceland, School of Education, Reykjavík, 2017-01)
    This study is an enquiry into young children’s learning processes as they participate in preschool groups. The aims of the study are two‐fold: to explore the multiple factors affecting children’s learning processes while participating in two different ...
  • Guðjohnsen, Ragný Þóra (University of Iceland, School of Education, Reykjavík, 2016-07)
    The aim of the study is to explore young people’s views on good citizenship by using a mixed method approach. First, by addressing if young people’s empathy levels at the age of 14 and 18 vary depending on their volunteering participation and the ...
  • Egilsdottir, Hronn (University of Iceland, School of Engineering and Natural Sciences, Faculty of Earth Sciences, 2017-02-08)
    Anthropogenic CO2 emissions, which are resulting in ocean acidification and a decrease in the saturation state for calcium carbonate (Ω), are a particular threat to calcifying marine biota. The aim of this thesis is to fill important knowledge gaps ...