National Repository of Grey Literature 260 records found  previous11 - 20nextend  jump to record: Search took 0.00 seconds. 
Long-term precipitation changes in Europe in different data sources
Vít, Václav ; Huth, Radan (advisor) ; Crhová, Lenka (referee)
The subject of this diploma thesis is the analysis of long-term changes in precipitation in Europe over the period 1961 - 2011. Emphasis is placed on determining differences in values of trends in precipitation among selected data sources and on analyzing the spatial distribution of annual and seasonal changes in precipitation in Europe, including a discussion of possible causes of differences in these changes in individual areas. Another aim is to illustrate, describe and account for the differences in trend values among different data sources: the ECA&D station database, the interpolation network data sets E-OBS and CRU TS and two reanalyses JRA-55 and NCEP/NCAR. Depending on the amount and quality of data available for the comparison of data sets, changes in precipitation totals were described over a long-term scale in absolute and also, to a lesser degree, in relative values. The first part summarizes the scientific literature dealing with the changes in precipitation characteristics throughout the world and in Europe. There follows a description of the suitability of individual types of data sources for estimating trends in precipitation totals. Scientific articles usually describe long-term changes based on a single data source rather than using a variety of individual types of data sources....
Engineering solutions for mitigation of climate change - methods applicable at the source of greenhouse gases
Remeková, Valentína ; Jedelský, Jan (referee) ; Lízal, František (advisor)
This work aimed to produce a research study on the topic of engineering solutions designed to mitigate climate change and which are applicable at the source of greenhouse gases. The first part outlines the fundamental matters of climate change. The second part focuses on technologies CCS (Carbon capture and storage) which capture and sequester carbon dioxide and possible options for separating CO2 from flue gases. The third chapter describes technologies CCU (Carbon capture and utilization) that use captured carbon as a product for further use. The future of these technologies and other abatement methods are addressed in the following section. The financial aspects of solutions for climate change mitigation are discussed in chapter five. The last part summarizes the main advantages, disadvantages, findings, and limitations of research.
Analysis of erosion and runoff conditions in a selected catchment areas
Pavliš, Jaroslav ; Uhrová,, Jana (referee) ; Dumbrovský, Miroslav (advisor)
The subjekt of this Bachelor thes is was to develop ananalytic alanalysis of erosion and run off conditions in certain sub-basins. The analysis is performed in the area of interest, which consist soft he cadastral areas of Lubná u Poličky, Sebranice u Litomyšle, Kamenec u Poličky, Polička (Střítež), Lezník and Široký Důl. Erosion run off and run off conditions were analyzed on the basis of a total of 16 variants including the use off ivecomputational algorithms for factor L and S, culent state, chmate chase affecting factor R and K, and variol agrotechnical and organizational measures affecting factor ca P. For presentation of map and computational The ArcGIS program was used for the results of erosion and the Desq program was used for run off conditions, where the mutual data processing was enabled by the USLE 2D program. These results can then determine possible protective anti-erosion measures against property damage, which would be part of a comprehensive landscaping.
Evaluation of the efficiency of erosion and runoff conditions of a selected catchment areas
Mokrejš, Filip ; Ing. Kateřina Vašinová, Ph.D (referee) ; Dumbrovský, Miroslav (advisor)
The subject of the bachelor's thesis was to evaluate the erosion and runoff conditions in the area of interest and then to design alternative measures to mitigate the impacts of water erosion. Evaluation of erosion conditions was conducted in ArcGIS using hydrologically correct DMT. The runoff conditions were evaluated using the hydrological model DesQ. A variant of climate change and impacts on soil erosion and agriculture is also presented. In conclusion, the effectiveness of individual soil erosion control measures was evaluated.
Study of the cooling system of a building with regard to climate change in the Czech Republic
Vašulka, Tomáš ; Charvát, Pavel (referee) ; Fišer, Jan (advisor)
The diploma thesis aims to prepare a study of the cooling system of a multifunctional building with regard to climate change predicted until the middle of the 21st century. The work includes determining the heat load of refrigerated rooms and designing measures to reduce heat gains in the summer. Diploma thesis includes design of a cooling system with fan-coil units as end appliances with the necessary hydraulic calculations. A single-stage absorption cooling unit is used as the considered cooling source, to which a free cooling heat exchanger is assigned. The design of the cooling source includes the necessary hydraulic calculations and dimensioning of the system ensuring its functional operation. Part of the diploma thesis is drawing documentation of cooling technology and connection of fan-coil units.
Engineering solutions for mitigation of climate change - methods for elimination of greenhouse gases from the atmosphere
Lněničková, Veronika ; Elcner, Jakub (referee) ; Lízal, František (advisor)
This bachelor thesis deals with methods of eliminating greenhouse gases, their advantages and disadvantages and the costs associated with their applications. The first part of this thesis describes the scientific field of geoengineering dealing with the removal of carbon dioxide from the atmosphere. The second part is focused on methods of solar radiation management and finally, methods eliminating other greenhouse gases than carbon dioxide are described.
Legal regulation of climate protection following the adoption of the Paris Agreement
Balounová, Eva ; Žákovská, Karolina (referee)
Legal regulation of climate protection following the adoption of the Paris Agreement Abstract The Paris Agreement was adopted on 12 December 2015 and became effective on 4 November 2016. The Agreement's central aim is to keep the increase in global average temperature well below 2žC above pre-industrial levels and to limit the increase to 1.5žC. The Agreement starts to apply in 2020. Under the Paris Agreement, each Party must communicate its nationally determined contributions, which will help to achieve the purpose of the Agreement. The aim of this thesis is to analyse the development of the legal protection of the Earth's climate system in the European Union after the adoption of the Paris Agreement. Part One is subdivided into four chapters. The first chapter is introductory and provides an overview of basic terminology, scientific knowledge and observed changes in climate and their impact. Chapter Two deals with the subject matter of international climate change law. Chapter Three deals with the legal sources of international law, in particular with international conventions. Legal principles are described there as well. Chapter Four looks at the historical development of the international protection of the climate. Also, it focuses on the analysis of the Paris Agreement. This chapter describes the...
Impact of the regional climate change on the hydrological regime with regard to extremes
Blahušiaková, Andrea
Investigation of changes in the rainfall-runoff regimes of rivers and its extremes has become more important especially in the context of ongoing and future climate changes. The main aim of this study is to investigate the key factors involved in these changes and thus influence the hydrological regime. Trends and changes in climatic and hydrological variables are detected and the development of flood and drought extremes is assessed. Several methods are used to identify trends and examine their changes; the Mann-Kendall test, linear regression, simple mass curves, and comparative analysis (IHA). Flood extremity is evaluated based on flood activity levels and return period (N-year flood event), frequency and seasonality using the threshold method and culmination day. Extremity, frequency and seasonality of meteorological drought are evaluated by the threshold method, followed by de Martonne Aridity index and Relative precipitation index. Hydrological drought is evaluated based on Base flow index, Low flow index and threshold method. The main variables involved in these analyzes were annual, seasonal and monthly discharge, air temperature, precipitation and snow cover. The database of the base and other calculated variables is compiled for the period from 1931/1961 to 2010/2012. Trends and changes...
Palaeocology of plant-arthropod associations from the Lower Miocene of the Most Basin in northern Bohemia (Czech Republic)
Knor, Stanislav
Terrestrial plants and insects account for the majority of the Earth's biodiversity today, and almost half of all insect species are herbivores. Thus, insects and plants share ancient associations date back for more than 400 million years. However, investigation of their interactions stands largely at the beginning in Western Europe. Nearly 4300 plant remains showing various kinds of feeding damages are available for the present study. These trace fossils are classified as so-called functional feeding-groups supply an outstanding example of the complexity, the structure and the changes of terrestrial ecosystems, are not well known during this interval. In Europe, the Neogene is characterized by palaeogeographic re- organization due to the collision of the African with the Eurasian plates. The Neogene plant record in Europe is rich and diverse offering a profound large-scale understanding of the floristic and vegetational development. A database of fossil traces from the Most Basin was compiled and analyzed by various statistical methods in terms of the diversity and intensity of palaeo-herbivory. The primary objective is to present results on the development of insect herbivory through the section of the Bílina Mine in North Bohemia, with the aim of understanding principal factors that caused the...
Energy and Environment in the View of Law
Pokorný, Jiří
Mankind has come to the point where it is fully dependent on energy. Primarily, this means the universally convertable electricity and also the thermal energy. The most widespread technologies for production of the above energies are unfortunately based on fossil fuels which, when combusted, produce greenhouse gases. Even though this is not the sole source of these substances, it belongs among the largest ones. The heightened concentration of greenhouse gases in Earth's atmosphere causes climate change which endangers the environment of the whole planet. To make this process stop or at least slow down, it is imperative to implement a wide range of measures to limit the greenhous gases production. Even though such measures will need to be carried out technically, their basis lies in law. The dissertation thesis "Energy and Environment from the Viewpoint of Law" deals with relationships between energy and environment (mostly energetics) and tools of law which can be releavant in this field. They can be found across different levels from international through European to national - Czech - level. From the perspective of applied tools, they incorporate conceptual, administrative and economical approaches. The roles of the respective means is such that the conceptual determine future progress,...

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