Essays about: "geographical information systems"

Showing result 1 - 5 of 139 essays containing the words geographical information systems.

  1. 1. Saltwater Intrusion in Fractured Crystalline Bedrock Aquifer. - A Case Study on Koster Islands, SW Sweden

    University essay from Göteborgs universitet/Institutionen för geovetenskaper

    Author : Sibhat Afewerki; [2019-10-30]
    Keywords : saltwater intrusion; fractured bedrock aquifers; DRASTIC; vulnerability mapping; Koster Islands; slatvattenintrång; Akvifer i uppsprucken berggrund; sårbarhetskartläggning; Kosteröarna;

    Abstract : Saltwater intrusion (SWI) is one of the significant threats in many coastal areas, mainly drivenby anthropogenic hazards (over-pumping) and climate change (sea level rise). So far, there havebeen extensive research and techniques to understand and minimize SWI. READ MORE

  2. 2. A Spatial Analysis of Homicide Crime’s Distribution and Association with Deprivation in Stockholm Between 2010-2017

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Dennis Lindell Schettini; [2019]
    Keywords : GIS; homicide; deprivation; hot spot; generalized regression; Earth and Environmental Sciences;

    Abstract : A Spatial Analysis of Homicide Crime’s Distribution and Association with Deprivation in Stockholm Between 2010-2017 Homicide crimes are rare events depending on numerous factors and tend to be distributed differently based on geographic location. The use of spatial analysis is substantively important for detecting different predictors in varying geographic areas and for the diffusion process of homicide crimes. READ MORE

  3. 3. Multi-Criteria GIS modelling for optimal alignment of roadway by-passes in the Tlokweng Planning Area, Botswana

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Milan Sekulic; [2019]
    Keywords : GIS; Multi-criteria analysis; DEFINITE; Sensitivity Analysis; Python; AHP; Least-cost path; Dijkstra’s algorithm; ArcPy; Geography; model; road alignment; Earth and Environmental Sciences;

    Abstract : To find the optimal by-pass road alignment in the Tlokweng Planning Area in Botswana, a multi-criteria spatial-based model is developed using the GIS-MCE approach. In respect to the environmental impact assessment (EIA) approach, in this research a set of criteria is classified under 3 themes – economic, environmental and social. READ MORE

  4. 4. Assessing evolution of ice caps in Suðurland, Iceland, in years 1986 - 2014, using multispectral satellite imagery

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Alicja Miodonska; [2019]
    Keywords : remote sensing; multispectral satellite imagery; Landsat; Iceland; glaciers; ice caps; Geography; GIS; Earth and Environmental Sciences;

    Abstract : The study focuses on the application of multispectral satellite imageries in glaciological studies. It aims to assess how the Icelandic glaciers have evolved over the last decades (from the 1980s to 2014). The study area covers Mýrdalsjökull and Eyjafjallajökull ice caps located in Suðurland, Iceland. READ MORE

  5. 5. Land cover changes in Southern Sweden from the mid-Holocene to present day: insights for ecosystem service assessments

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Robert O'Dwyer; [2019]
    Keywords : Geography; Geographical Information Systems; GIS; Physical Geography; Götaland; Landscape Reconstruction Algorithm; Fossil Pollen; Ecosystem Services; Earth and Environmental Sciences;

    Abstract : Climate change and human impact play a huge role in the sustainability and development of ecosystems and the services they offer to societies over temporal and spatial scales. Fossil pollen-based estimates provide unique information on past land cover change, but to date there are not many methods able to create spatially continuous maps and have a fine scale of land cover changes inferred from pollen information. READ MORE