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8191 Uppsatser om Water management - Sida 38 av 547
Behandlingsvåtmarkers reningseffekt på aktiva läkemedelssubstanser under vinterförhållanden : En studie av fyra svenska våtmarker för avloppsrening
Pharmaceuticals that are found in marine ecosystems are a threatening environmental concern, which is known to harm both animal and plant life. One of the reasons for this problem is that the waste water treatment techniques are not optimized to clear waste water from its pharmaceuticals contain. In this master thesis four Swedish treatment wetlands were studied, and their ability to reduce numerous pharmaceuticals in waste water. The four treatment wetlands that were studied were those in Oxelösund, Trosa, Nynäshamn and Eskilstuna. Two ecotoxicological tests and chemical analysis were used.
Risk och krishantering : bevarandepolitik och normaliseringsproduktion
In this essay, Risk and crisis management Conservation policy and normalization production, I discuss how societies, communities and individuals are responsible for the handling of catastrophes and crises. Risk and vulnerability analyzes are parts of modern risk and crisis management. The purpose of these analyzes is to prepare people and organizations for any crises. For managing this it is necessary to comprehend, be able to change mindset in creating concrete tasks and inform others.The purpose of this essay is to analyze modern risk and crisis management by studying empirical material, such as interviews, observations and literature. My aim is to combine these materials and study how they cooperate.One of the findings in this essay is that risk and vulnerability analyzes are of great complexity. These analyzes require a discussion in order to identify the development of the society's crisis management system, as well as the continued support of the individuals that have a responsibility for preventing and preparing their organizations..
Biochar as soil amendment in flow-through planters - for increased treatment of zinc roof runoff
In times of increased flooding, enhanced by climate change, polluted stormwater poses an increased threat to the environment through contaminated water entering waterways. Bioretention utilizes natural processes in soil and vegetation to treat pollutants and combat this threat. Biochar produced through pyrolysis, has a high cation exchange capacity (CEC) and could therefore increase treatment in bioretention systems. This research applies a literature review, interview, and a model to explore the benefits and disadvantages of biochar in order to specify a soil-mix through an understanding of the production process and preferred application rate. High purification through CEC, increased water holding capacity, and carbon sequestration being the benefits discussed.
Uttorkningsmöjligheter i ett fuktskadat badrum med hjälp av spaltmetoden
Buildings today are built to maintain a healthy indoor environment and an efficient energy usage which is probably why damages caused by dampness has increased since the 1960?s.A study between year 2008 and 2010 showed that 26 percent of the 110 000 examined houses had damages and flaws caused by dampness that could prove to be harmful later on. This means that one out of four bathrooms risk the chance to develop damages by dampness. Approximately 2 percent of the houses had already developed water damages. It is here where the problems appear.
Hydroakustisk kommunikation med bandspridningsteknik
This thesis investigates techniques for stealth hydroacoustic communication using spread spectrum. The Swedish naval defense organisations have a vision that all their units should be able to communicate with each other, even between underwater vehicles. But the properties of water makes it a complex channel to use for wireless communications. Radiomagnetic waves have very limited range in water, therefore acoustic waves are used. In this report the basics of wireless communication systems are described including source coding, channel coding, modulation techniques as well as different techniques for spread spectrum.
Ålfiskeförbudet : en undersökning av olika aktörer och olika aktörers åsikter på förvaltning, kommunikation och framtiden inom svenskt ålfiske
The first of May 2007, a decision from the Swedish Board of Fisheries about a Swedish prohibition of eel fishery got legal force. This prohibition is one of the most challenged decisions that the Swedish Board of Fisheries has taken. In the town Karlskrona in the southeastern part of Sweden the prohibition has got a lot of attention in local media. Early in the debate, it was clear that the actors active in the archipelago of Karlskrona were against the prohibition. The aim with the master thesis is to investigate different actors' opinions and view of the prohibition of eel fishery, today's management of the resource and how the actors' think that the communication between the actors involved in the management of eel and eel fishery works and what need to be changed to be able to develop a sustainable management of the eel in the future.
Skötselmål som en del av gestaltningen : för parker i kommunal regi, med en studie av två parker i Landskrona
There are mainly two ways to transform the design of an existing park. You could either make a replanning of the park, an act that changes the design and the plant material in one swoop. Or you could use the management to change the expression of the park. To be able to develop the parks with the help of management, some form of goal is needed, that can make the management of the park strive towards an expression for the whole park as well as its individual parts. Among the documented goals, for individual parks and park management, which exist in the municipalities today, there seems to be a weak link between the all-embracing goals and the management that is carried out in the parks.
Inventering av flodpärlmussla i Fylleån norr om Gyltigesjön
Freshwater environments are threatened worldwide, of which many of the species associatedwith freshwater. In 2014, 243 freshwater mussels were on the international Red List. One ofthem is the freshwater pearl mussel, Margaritifera margaritifera, which because of itscomplex life cycle can be counted as an indicator of whether a stream is worth protecting. It's since the early 1900's in decline throughout their range. Sweden is counted as a core area which is why we have not only a national but an international responsibility to conserve the species.
Personalliggaren : Hur har svartarbetet påverkats?
This essay was written at Södertörn University during the spring semester of 2010, in the field of Business Administration, and more precisely within management and organization. The essay is based on a case study of the management of the staff working at the commuter train stations in Stockholm. The study consists of a number of interviews with the management staff and with the personnel working at the stations, where the aim of the study is to describe how management works within ISS Trafficare AB and what the personnel working at the stations think of it. ISS Trafficare AB is the entrepreneur who runs the commuter train stations in Stockholm by an agreement met with Stockholmståg KB.The study is based on information from the interviews with the personnel and other material from ISS Trafficare AB. Research on the area of management have been used to put data into perspective and to further deepen our analysis and conclusions from the case.The essay shows that the management has tried to implement several changes on the organization in order to provide more service to the travelers.
Förändring av styrning i en ideell organisation : Hyresgästföreningen
In non-profit organizations, surplus of the organization goes back to the organization's members. We have noted that Hyresgästföreningen initiated a change in 2005 when the organization merged its local membership registries to a national registry. There are few studies explaining how non-profit organizations are using management in an organizational change. What happens with the business management at an organizational change that is similar to the change in Hyresgästföreningen? The aim of this thesis is to explore how the governance of a nonprofit organization is changing at an organizational change.
Referensvåtmarker för uppföljning av växtnäringsretention i anlagda våtmarker
One of the environmental problems today in seas, lakes and streams is eutrophication. This is often caused by nutrients such as phosphorus (P) and nitrogen (N) that leak from agricultural areas. A measure to partly prevent the nutrient discharge is to construct or restore wetlands.In order to control the efficiency of nutrient reduction of existing wetlands in the county, the administrative board in Västra Götaland wants to find different criterias for reference wetlands. These reference wetlands should represent other wetlands and be used in future evaluations of reduction of nutrients and design of constructed wetlands. According to the administrative board in Västra Götaland the reference wetlands should have a catchment area of about 50 hectare consisting of at least 70 % arable land, to represent wetlands created to remove nutrients.
Ledning och övriga anställdas upplevelser av attraktivitet på arbetsplatsen "Mora of Sweden".
Ledning och övriga anställdas upplevelser av attraktivitet på arbetsplatsen ?Mora of Sweden? looks at how management and employees at the Swedish manufacturing company ?Mora of Sweden? perceive an ideal attractive company and what factors that determine one, as well as how these two groups perceive the situation at their own company. The main purpose of the essay is to compare the management?s point of view with that of the rest of the employee respondents? perspective. While doing so the author concludes that there are several factors such as how the employees feel about their physical working environment as well as their salary, of which the management lacks understanding or perceive differently and that there needs to be more of an open dialogue between the management and the employees..
Talent management- en strategi för att vässa de vassaste?
Tidigare forskning har visat på att konkurrensen kring talangfulla medarbetare aldrig förr varithårdare och att ha strategier för att behålla dessa blir därför viktigt. En strategi som syftar till att görajust detta är talent management. Men hur arbetar man med detta och vilka föreställningar kringfenomenet finns? Vilka faktorer kan finnas som hindrar och/eller möjliggör arbetet med talentmanagement? För att ta reda på detta har det i studien valts att göra en fallstudie där data samlats ingenom semistrukturerade intervjuer. Det framkommer i studien att talent management upplevspositivt då det ger erkänsla och uppskattning.
Sapa Heat Transfers koldioxidspår : En kartläggning av verksamhetens koldioxidutsläpp
Sapa Heat Transfer is a company that produces aluminum heat-exchanger strips for the automotive industry. Sapa Heat Transfer wish to chart their emissions of carbon dioxide in order to meet future demands on carbon dioxide reporting. They also would like to examine the meaning of the term ?green electricity? which is marketed as carbon dioxide free, and the sort of electricity that they purchase. This report includes both direct (liquefied petroleum gas and diesel) and indirect (water, process-water, long distance heating, waste) emissions from their company.
Gestaltningsförslag för Norbyvreten : från kvarterspark till stadsdelspark
The prevailing food and energy crisis of the world, due to the declining reserves of fossil energy and a never ending rise of consumption, forces us to look into new fields to supply our energy demand. The boom of bio energy is criticized, as food crops are used to provide biodiesel and ethanol and the volumes are ridiculously small to supply world demand. Algae are one of the world?s oldest life forms and exist in many different phyla, providing a great variety to choose from, for different purposes. Cultivating microalgae offer a way to produce energy at great volumes without competing with food production and at the same time the algae offer a way to use our expensive nutrients in a more efficient way, besides this the algae are carbon dioxide neutral since their carbon source can be supplied by the atmosphere and the additional energy required can be supplied by algal oil or other renewable sources.