Sökning: "glacier hydrology"

Visar resultat 1 - 5 av 11 uppsatser innehållade orden glacier hydrology.

1. 1. Analysis of Rainfall-runoff processes at different scales in two mountainous, Arctic catchments in northern Sweden

   Master-uppsats, Stockholms universitet/Institutionen för naturgeografi

   Författare :June Johansson; [2023]
   Nyckelord :Arctic hydrology; Catchment response parameters; Water height recession analysis; Permafrost presence; Glacier presence;

   Sammanfattning : The hydrological regime in Arctic catchments is being altered as an effect of climate change. To be able to project future changes in Arctic hydrology and hydrogeology, the mechanisms and drivers affecting runoff generation needs to be understood. LÄS MER

3. 2. GIS, tracer test and water balance based hydrological analysis in Tarfala, Northern Sweden

   Kandidat-uppsats, Stockholms universitet/Institutionen för naturgeografi

   Författare :Elias Koivisto; [2022]
   Nyckelord :Tarfala; DEM; Tracer test; Water balance; the Arctic; Climate change; Permafrost; Glacier;

   Sammanfattning : Current climate change poses a threat to the Arctic due to increasing temperatures, which cause the permafrost and glaciers to melt and thaw. This thesis focused on analyzing water balances in Tarfala catchment between 2000 and 2020 and using GIS as a support for tracer test results measured in Tarfala in 2021. LÄS MER

4. 3. Effects from Firn Density on Radar Derived Depth to Perennial Firn Aquifer, Lomonosovfonna, Svalbard

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

   Författare :Daniel Estmark; [2022]
   Nyckelord :Perennial Firn Aquifer; Glacier; Svalbard; Mass balance; GPR; Lomonosovfonna; Flerårig firn akvifär; glaciär; Svalbard; massbalans; GPR; Lomonosovfonna;

   Sammanfattning : As the climate is changing, there are clear impacts on the mass balance of glaciers. A glacier can be defined as the result of sufficient accumulation, in the form of snow and rain, compared to its ablation, the different types of glacial loss, a balance that then determines the size of the glacier. LÄS MER

5. 4. Movement of Foxfonna rock glacier in Svalbard between 2017-2019

   Kandidat-uppsats, Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

   Författare :Elias Lundström; [2020]
   Nyckelord :rock glacier; Svalbard; UAV; photogrammetry; movement detection; permafrost; Earth and Environmental Sciences;

   Sammanfattning : The movement of a rock glacier located at the bottom of the Foxfonna glacier, Svalbard, Norway, was studied through the use of photogrammetry and feature tracking software, between the years of 2017-2019, as well as elevation changes between 2009 and 2019. This could aid in further knowledge about the rapid velocity changes of rock glaciers in a continuous permafrost environment. LÄS MER

7. 5. Hydrologic modelling of the Zackenberg river basin : an applied study using the Soil and Water Assessment Tool

   Kandidat-uppsats, Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

   Författare :Malin Ahlbäck; [2018]
   Nyckelord :Greenland; SWAT; High Arctic; Distributed Hydrologic Modelling; GIS; surface Water; Earth and Environmental Sciences;

   Sammanfattning : Since the 1980s, the Arctic has experienced an amplified warming of more than twice the rate of the global-mean, leading to large-scale changes in the Arctic hydrologic system, ultimately having cascading feedbacks on the global climate. However, few of today’s distributed models manage to capture the complex processes in Arctic hydrology, and therefore, the aim of this thesis was to evaluate the usage of the distributed Soil and Water Assessment Tool (SWAT) model, to see whether it could capture the different surface water paths and processes characterizing the Arctic water cycle. LÄS MER