Filtyp
During the last years, virtual 3D city models have been widely used in application fields such as urban planning, environment simulations, and disaster management. With the development of high-rise buildings and the increasing densely built-up areas, an increasing number of authorities and companies have shown interest in integrating 3D city models with the cadastre. This is because on one hand, t
The European spruce bark beetle is considered as one of the most destructive forest insects to Norway spruce trees in Europe. Climate change may increase the frequency and intensity of bark beetle outbreaks. It is therefore of vital importance to detect the bark beetle outbreaks and take it under control to prevent further damages. Remote sensing techniques may provide a cost-efficient solution to
Approximately 80% of agricultural land in the world is comprised of annual crops which have a life span of only one year. Research has shown that these crops are unsustainable because of these short life spans. Soil erosion, nutrient leaching, and losses of soil carbon are just a few problems caused by annual monocultures. Additionally, with the changing climate, these cropping methods are both vu
Forest ecosystems are important actors in climate change mitigation strategies through their abilities to act as both carbon sinks and sources. The commonly used forest management strategy of clearcutting has been suggested to be paired with large greenhouse gas emissions, increasing the need for research on the climate effect from alternative management strategies. Rumperöd forest is managed thro
Bark beetles are a subfamily of insects living in and breeding on woody plants. Some of the bark beetle species have the ability to attack living trees, and thereby the potential to cause major forest damage. These forest damages can have a significant ecological and economic impact to forest ecosystems and foresters. In this study, phenology models were used to compare the responses to climate ch
The use of spatial information has become an important resource for decision support making at national and regional levels. In this respect, several private and public organizations are continuously collecting and producing geospatial data. However, there are still problems that affect the usage of spatial information. As a response to these problems, several spatial data sharing initiatives have
Global food security is one of the main concerns of this century. Moreover, the increasing negative impacts of climate change on different sectors including agriculture are further expected to exacerbate these challenges. The main aim of this thesis is to assess the future impacts of climate change on wheat yields in Spain by 2050 and to evaluate the efficiency of early sowing as an adaptation str
Modern public transportation systems are required to be more efficient. The efficiency and the quality of the service is based on several aspects, such as availability, frequency, travel speed, reliability and safety. Stop spacing system is a significant part of the public transport service design and it deeply affects its efficiency. In particular, the stop spacing system has consequences on the
The ecological footprint of Denmark has been rising since (and likely even before) 1961, which signifies an unsustainable living by the Danish population. Global footprint reports show Denmark as one of many countries on earth which has exceeded its biocapacity (BC), which means natural resource consumption in Denmark is faster than the land’s regenerative capacity. The residents of Denmark are co
The purpose of this paper was to uncover the underlying meanings of coffee consumption and the roles these meanings play in people’s everyday lives, thus contributing to the literature of consumer behaviour. A qualitative study method has been carried out, using an hermeneutic approach in order to uncover the study subjects’ perceptions of reality. Through an abductive approach experts within the
Syftet med denna studie var att undersöka hur studenters kreativitet påverkas av användandet av Instant messenger och elektronisk media. Hypoteserna var att studenter som använder instant messenger kommer prestera sämre på kreativitetstest och att det finns en negativa relation mellan hög medieanvändning och prestation på kreativitetstest. Studien utfördes som ett experiment på totalt 50 studenterThe purpose of this study was to examine how students' creativity is affected by the use of Instant Messenger and electronic media. The hypotheses were that students who use Instant Messenger will underperform on creativity tests, and that there is a negative relationship between high media usage and performance on creativity tests. The study was conducted as an experiment on a total of 50 stu
The waste treatment facility, Sobacken, is located south of Borås, Sweden. At Sobacken there is a lake built to collect the leachate from the area. Leachate is a term for water that has the potential of carrying environmentally hazardous substances, in this case water that might have passed through waste. This thesis focused on the development of a hydrological model that from common climate vari
Arable land is a valuable natural resource. In Iceland the total size of potential arable land has not been determined but preliminary estimates vary from 420 ha to 15000 ha. These have been based on different definitions of potential arable land and assumptions for minimum continuous land area. In 2010 the Farmers Association of Iceland concluded that there was a need for a standard for evaluatin
Drainage of peatlands causes changes in water table (WT), vegetation and decomposer community. As a consequence, decomposition patterns and carbon dynamics change, which is visible in altered Dissolved Organic Carbon (DOC) concentrations in ground and soil water. Additional changes in precipitation patterns towards more extreme drought and rain periods, as expected with climate change, cause furth
Urban areas are increasingly facing heat stress which poses a significant health risk to growing populations. Land Surface Temperature (LST), as a strong indicator for urban temperature analysis, is substantially influenced by the composition of a city. Urban Green Spaces (UGS) and buildings are especially important in determining LST and therefore are strong factors in identifying potential urban
Accurate monitoring of dissolved organic carbon (DOC) in lakes is essential for understanding aquatic carbon dynamics, assessing lake ecosystem health, and supporting water resource management. While remote sensing offers scalable alternatives to in-situ monitoring, machine learning models often struggle to generalise across systems. This thesis investigates the potential of the eXtreme Gradient B
Climate change and socio-economic developments are projected to intensify land use pressures in northern latitudes, potentially driving agricultural expansion into Arctic and boreal ecosystems. This thesis examines the consequences of future climate and land use change on ecosystem services in the European Arctic, focusing on vegetation dynamics, carbon storage, crop productivity, and biophysical
Areas experiencing conflict are challenging to examine due to limited accessibility. Remote sensing is a valuable tool that can be used to evaluate the effects of conflict on the environment. Northwestern Syria hosts most of the country’s remaining Mediterranean forests, an ecosystem that is ecologically significant for regulatory ecosystem services. Since 2011, Syria has experienced conflict, whi
Climate change is expected to alter soil nutrient availability and microbial community functionality. Inputs of labile carbon (C) from root exudates can stimulate the decomposition of soil organic matter (SOM) in a phenomenon known as “priming”; driven by microbial demand for limiting resources. Climate-driven changes in resource availability may therefore influence soil susceptibility to priming,
In 2016, after decades of armed conflict, the Colombian government signed a peace agreement with the Revolutionary Armed Forces of Colombia – People's Army (FARC - EP). Nevertheless, the hopes for peace have not been realised, since violence, assassinations of social leaders, displacement of local communities and environmental degradation still occur. New groups are taking over the areas forme
