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Hittade 5 uppsatser som matchar ovanstående sökkriterier.

  1. 1. Analysis of Observed Discrepancies in Precipitation Measurements in the Complex Terrain of East-Iceland

    Master-uppsats, Uppsala universitet/Luft-, vatten- och landskapslära

    Författare :Páll Ágúst Þórarinsson; [2021]
    Nyckelord :Precipitation; precipitation measurements; weather observation; complex terrain; weather regimes; Iceland; Nederbörd; nederbördmätningar; väder observationer; komplex terräng; vädersituationen; Island;

    Sammanfattning : Spatial distribution of precipitation in complex terrain can be very uneven and there are many factors to consider when studying it. The goal of this study was such a problem; to analyse the difference in observed annual precipitation in the complex terrain of Seyðisfjörður, a fjord in East-Iceland. The study was carried out in three parts. LÄS MER

  3. 2. Improving Short-Range Cloud Forecasts in Harmonie-Arome Through Cloud Initialization Using Mesan Cloud Data

    Master-uppsats, Uppsala universitet/Luft-, vatten- och landskapslära

    Författare :Joakim Pyykkö; [2019]
    Nyckelord :cloud initialization; HARMONIE-AROME; MESAN; satellite product; synoptic weather station;

    Sammanfattning : Previous studies, such as van der Veen (2012) and White et al. (2017), have demonstrated the potential of using measurement-based cloud data to improve Numerical Weather Prediction (NWP) based cloud forecasts. This can be done through cloud initialization; a process of injecting cloud data after the regular data assimilation in an NWP model. LÄS MER

  4. 3. Characterization of Wind Channeling Around Longyearbyen, Svalbard

    Master-uppsats, Uppsala universitet/Luft-, vatten- och landskapslära

    Författare :Michael Lonardi; [2018]
    Nyckelord :Longyeardalen; wind channeling; snow transport;

    Sammanfattning : Due to climate change and arctic amplification, the avalanche activity is expected to increase at higher latitudes (Hall et al., 1994). The arctic settlement of Longyearbyen, Svalbard, situated inside the valley Longyeardalen, is yearly threatened by avalanche activity (Eckerstorfer & Christiansen, 2011a). LÄS MER

  5. 4. Synoptic Variability of Extreme Snowfall in the St. Elias Mountains, Yukon, Canada

    Master-uppsats, Uppsala universitet/Institutionen för geovetenskaper

    Författare :Caroline Andin; [2015]
    Nyckelord :Snow; glaciers; Yukon; synoptic meteorology; Aleutian Low;

    Sammanfattning : Glaciers of southwestern Yukon (Canada) and southeastern Alaska (USA) are presently experiencing high rates of annual mass loss. These high melt rates have mainly been investigated with respect to regional temperature trends, but comparatively little is known about how climate variations regulate snow accumulation on these glaciers. LÄS MER

  7. 5. Links between ENSO and particulate matter pollution for the city of Christchurch

    Magister-uppsats, Uppsala universitet/Luft-, vatten- och landskapslära

    Författare :Anna Derneryd; [2006]
    Nyckelord :air pollution; Christchurch; New Zealand; synoptic scale influence;

    Sammanfattning : The purpose of the project has been to investigate how synoptic scale climate systems control the frequency of air pollution episodes in the city of Christchurch, New Zealand. The work has been done at the University of Canterbury, New Zealand, and data from the region has been analysed. LÄS MER