Specification of the Climate Character in the Study Area of Projected Hydric Reclamation

Hydrical reclamation of the residual pit of Most-Ležáky is part of the comprehensive revitalisation of the land affected in the past bymining activity with an area of 1264 ha. Thus, in terms of remediation and reclamation, the most appropriate way to reclaim theresidual pit, as one of the final stages of the long-term reclamation activities that have been going on in the area for more than half acentury, occurs under the given conditions. The Lake Most, our study area, was planned and created as a hydric recultivation of theformer surface Most-Ležáky mine located near the town of Most, in the foothills of the Ore Mountains, approximately 80 kilometersnorthwest of the capital of the Czech Republic - Prague. The Lake Most represents extensive hydric reclamation, which is unique in thesense that it does not have a natural inflow and runoff, therefore an artificial feeder from the Ohře River had to be built. The main goalof the ongoing research is to construct a mathematical model predicting the water balance of Lake Most. Therefore, it is important toseparate amount of water that is lost by the evaporation and amount of water that is lost into the subsoil. If we do not wish to use onlytemperature equations but more complex methods and equations to calculate evaporation instead, we need to have relative humidity,atmospheric pressure, wind speed, and daylight length values. In addition to the climatic data needed to calculate the evaporation,the amount of precipitation is needed to construct the balance equation of the area. An important objective in planning all hydricreclamations is to ensure their long-term sustainability, which is based on a detailed description of the study area's climate and localhydrological conditions. In our article we focus on assessing the evolution of climate in the area of this hydric reclamation. We haveprocessed a long-term series of measurements in monthly averages from the Kopisty meteostation data provided by the Institute ofAtmospheric Physics of the CAS.

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Social Policy in the Czech “Republic”: The Past and the Future of Reforms

East European Politics and Societies and Cultures ◽

10.1177/0888325408315830 ◽

2008 ◽

Vol 22 (3) ◽

pp. 496-517 ◽

Cited By ~ 5

Author(s):

Jiří Večerník

Keyword(s):

Czech Republic ◽

Work Motivation ◽

Pension System ◽

The Political ◽

The Czech Republic ◽

The Past ◽

The Future ◽

The Right ◽

Political Scene

The article describes the development of Czech policy after 1989 and the controversies it caused. It first looks at the ambiguous nature of the communist welfare state and then proceeds to outline the theoretical alternatives. After early and energetic changes in the system, stagnation set in around the mid-1990s. Despite some problems, the current performance of the system is satisfactory, but its outlook in terms of long-term efficiency is unsatisfactory, as it will generate a rising debt into the future. In particular, the disadvantaged situation for families, the insufficient work motivation, and the frozen pension system are all causes for concern. The political shift to the right after 2006 ushered in reform measures and new reform plans. While reforms are necessary, their feasibility is uncertain owing to the fragility of the Czech political scene.

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Mass Prefabricated-Panel Housing Construction in Private Ownership in the Czech Republic

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.1020.692 ◽

2014 ◽

Vol 1020 ◽

pp. 692-697

Author(s):

Eva Špačková

Keyword(s):

Czech Republic ◽

Residential Building ◽

Housing Construction ◽

Private Ownership ◽

The Czech Republic ◽

The Past ◽

Building Facade ◽

Housing Estates

Housing estates thus have been and will continue to be a long-term part of the housing the Czech Republic. Research addresses the artistic and architectural level of regeneration of prefabricated-panel buildings in the past twenty year, shows how the form of reconstructed facades has developed and illustrates the use of the building facade in the context of the environment in which the residential building is located.

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Exploitation of Heat from Thermal Active Coal Tips

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.1020.501 ◽

2014 ◽

Vol 1020 ◽

pp. 501-506

Author(s):

František Kresta

Keyword(s):

Czech Republic ◽

Temperature Regulation ◽

Ongoing Research ◽

Thermal Potential ◽

The Past ◽

Active Coal ◽

History Of ◽

Economic Contribution ◽

Materials Used

Burning tips of colliery spoil represent long-term ecological hazard. History of these processes in the Ostrava region is more than 20 years long. The attention in the past was in case of burning tips given to control, even to remediate underground fires. Thermal potential of burning tips has remained unnoticed. Just in last five years in Czech republic and abroad it has started to experiment with heat exploitation originating during tips burning. Trial tests with heat exploitation in the Hedvika tip in Ostrava were successful and they produced even economic contribution. Verification of marginal conditions has been already a topic of ongoing research. Hazards during heat exploitation from thermal active coal tips are as follows: migration of thermal spots, difficult temperature regulation of the surroundings from which heat is taken, aggressiveness, and from it resulted demands to materials used in this technology.

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Price-supply flexibility of wheat market in the Czech Republic

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis ◽

10.11118/actaun201361041145 ◽

2013 ◽

Vol 61 (4) ◽

pp. 1145-1151

Author(s):

Pavel Syrovátka

Keyword(s):

Commodity Market ◽

Supply Function ◽

The Czech Republic ◽

Dynamic Price ◽

Wheat Market ◽

Definition Of ◽

Log Linear ◽

The Given ◽

Supply Flexibility

The paper explores of the price-supply flexibility of the Czech commodity market for food quality wheat in the period 1995–2011. For this analysis, inversion definition of the supply function was applied. The model of the inverse supply function in the Czech wheat market was based on the double log-linear construction. The parameters of the given supply model were estimated using OLS-HAC method. The developed regression model of the supply function was statistically tested. Ordinary and dynamic price flexibility of the wheat supply on the Czech commodity market was determined in relation to the parameters of the developed econometric model. In accordance with the estimations, the ordinary price-supply flexibility achieved +0.3492% and the dynamic price-supply flexibility of the first order was –0.2210%. Within the interpretation of both estimated coefficients of the price-supply flexibility, the multi-factor nature of the commodity supply function must be respected. Moreover, it is important to distinguish the short-term and long-term period within the evaluation of the price-supply flexibility.

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Comparison of selected methods of prediction of wine exports and imports

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis ◽

10.11118/actaun200856060157 ◽

2008 ◽

Vol 56 (6) ◽

pp. 157-166 ◽

Cited By ~ 2

Author(s):

Radka Šperková ◽

Jiří Duda

Keyword(s):

Czech Republic ◽

Statistical Method ◽

The Czech Republic ◽

The Past ◽

Eu Integration ◽

Deductive Method ◽

Future Events ◽

The Given ◽

The Eu

For prediction of future events, there exist a number of methods usable in managerial practice. Decision on which of them should be used in a particular situation depends not only on the amount and quality of input information, but also on a subjective managerial judgement. Paper performs a practical application and consequent comparison of results of two selected methods, which are statistical method and deductive method. Both methods were used for predicting wine exports and imports in (from) the Czech Republic. Prediction was done in 2003 and it related to the economic years 2003/2004, 2004/2005, 2005/2006, and 2006/2007, within which it was compared with the real values of the given indicators.Within the deductive methods there were characterized the most important factors of external environment including the most important influence according to authors’ opinion, which was the integration of the Czech Republic into the EU from 1st May, 2004. On the contrary, the statistical method of time-series analysis did not regard the integration, which is comes out of its principle. Statistics only calculates based on data from the past, and cannot incorporate the influence of irregular future conditions, just as the EU integration. Because of this the prediction based on deductive method was more optimistic and more precise in terms of its difference from real development in the given field.

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Historical Cartography and Sustainable Tourism Development. Reconnecting Trento and the Fersina Stream through the Retrieval of Environmental and Cultural Heritage

Proceedings of the ICA ◽

10.5194/ica-proc-4-32-2021 ◽

2021 ◽

Vol 4 ◽

pp. 1-8

Author(s):

Carolien Fornasari ◽

Aurora Rapisarda

Keyword(s):

Urban Space ◽

Historical Analysis ◽

City Centre ◽

Historical Sources ◽

Sustainable Tourism Development ◽

The Past ◽

The City ◽

The Town

Abstract. Within the context of postmodern tourism, the importance of preserving and enhancing environmental and cultural assets of destinations is increasingly being recognised as one of the keys to sustainable long-term development of territories. The paper focuses on the complex diachronic relationship between the town of Trento, in the Trentino- Alto Adige region, and its watercourses, and, in particular, on its connection with the Fersina stream. The aim is to raise locals’ and visitors’ awareness of a largely forgotten urban water landscape, and to implement the town’s existing cultural and environmental tourist offer. This is achieved through the revival of collective memory of the fundamental role of water for the development of Trento and through the requalification of the stream and its network of canals, which once brought water to different parts of the city-centre. For such purpose, the validity of cartography and other geo-historical sources has been acknowledged; maps are particularly useful sources for retracing territorialisation processes, and rediscovering past territorialities and related landscapes. Accordingly, we have carried out a geo-historical analysis of cartographic representations of the town, shedding light on the past widespread presence of water within urban space and making some proposals for the enhancement and communication of such heritage.

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Regeneration of Nardus stricta subalpine grasslands in the Giant Mountains (Krkonoše)

Acta Societatis Botanicorum Poloniae ◽

10.5586/asbp.2005.032 ◽

2011 ◽

Vol 74 (3) ◽

pp. 247-252 ◽

Cited By ~ 8

Author(s):

Michal Hejcman ◽

Pavla Nežerková ◽

Vilém Pavlů ◽

Jan Gaisler ◽

Theodor Lokvenc ◽

...

Keyword(s):

Arable Land ◽

Pinus Mugo ◽

Vegetation Analysis ◽

Surrounding Area ◽

The Czech Republic ◽

The Past ◽

Nardus Stricta ◽

Original Plant ◽

Vegetative Spread

The origin of Nardus stricta dominated subalpine grassland (Nardo-Caricion rigidae alliance) is a frequently discussed topic in the Giant Mountains (Karkonosze in the Czech Republic). Many researchers considered them, as secondary stands arisen after Pinus mugo removal and by consequent oligotrophization of original plant communities, caused by long-term rough grazing and hay making activities without manuring. On the contrary, they are recognized as natural due to inability of generative reproduction of N. stricta and the very slow vegetative spread there. The aim of this study was to find proofs for generative reproduction of mat grass in subalpine conditions of the Giant Mountains. We identified a Pinus mugo nursery with arable land abandoned in 1956 and compared its vegetation with that of the surrounding area. Dense and homogenous sward dominated by N. stricta developed during the succession on the old arable land for 48 years, and it is an indisputable proof of generative reproduction of N. stricta there. Synthesizing historical facts on human activities in the past and the results of our contemporary vegetation analysis, we conclude that the Nardo-Caricion rigidae grassland was capable to spread relatively quickly, when agricultural activities above the upper timber line were introduced.

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April–August temperatures in the Czech Lands, 1499–2015, reconstructed from grape-harvest dates

Climate of the Past ◽

10.5194/cp-12-1421-2016 ◽

2016 ◽

Vol 12 (7) ◽

pp. 1421-1434 ◽

Cited By ~ 6

Author(s):

Martin Možný ◽

Rudolf Brázdil ◽

Petr Dobrovolný ◽

Miroslav Trnka

Keyword(s):

Extreme Values ◽

Well Being ◽

Temperature Variability ◽

The Czech Republic ◽

Central European ◽

The Past ◽

Harvest Dates ◽

Explained Variance ◽

Czech Lands

Abstract. Viticulture has long been essential to the commercial and social well-being of parts of the Czech Lands (now the Czech Republic), and detailed records have been kept for centuries of the timing and relative success of the grape crop. Using such documentary data from the Bohemian wine-growing region (mainly northwest of the capital, Prague), series of grape-harvest dates (GHDs) were created for the 1499–2015 period. Because the link between harvest dates and temperatures is strong, GHD series, together with instrumental mean temperature series starting in 1801, were used to reconstruct mean April–August temperatures for the region from 1499 to 2015. Linear regression (LR) and variance scaling (VS) methods were used for calibration and compared in terms of explained variance and their ability to capture extreme values. It emerged that LR does not significantly underestimate temperature variability. However, VS shows far greater capacity to capture extremes. GHDs explain 64 % of temperature variability over the full calibration period. The 1986–2015 period was identified as the warmest 30-year period of the past 514 years, an observation consistent with recent global warming. The highest April–August temperatures appeared in a reconstruction for the year 1540, which was warmer than the next two very warm, and far more recent, seasons in 2003 and 2015. The coldest period occurred at the beginning of the 20th century (1900–1929). The series reconstructed for the Czech Lands is in close agreement with other (central) European reconstructions based on other proxies. The series created here makes an important contribution to a better understanding of long-term spatiotemporal temperature variability in central Europe.

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Behavior Studies of Nonlinear Fractional-Order Dynamical Systems Using Bifurcation Diagram

Advanced Synchronization Control and Bifurcation of Chaotic Fractional-Order Systems - Advances in Computer and Electrical Engineering ◽

10.4018/978-1-5225-5418-9.ch006 ◽

2018 ◽

pp. 166-189

Author(s):

Karima Rabah

Keyword(s):

Seventeenth Century ◽

Fractional Order ◽

Chaotic Systems ◽

Initial Conditions ◽

Bifurcation Diagrams ◽

Science And Engineering ◽

Differential Systems ◽

The Past ◽

Important Objective

Over the past decades, chaos has stimulated the interest of researchers due to its existence in different fields of science and engineering. The chaotic systems are characterized by their sensitivity to the initial conditions. This property makes the system unpredictable long term. Similar to the integer-order differential systems, fractional-order differential systems can exhibit chaotic behaviors. This type of system contains one or more elements of fractional order. The fractional calculus is recognized in the early seventeenth century but it has been widely applied in many fields and with intense growth just over the past decades. To avoid troubles arising from unusual behaviors of a chaotic system, chaos control has gained increasing attention in recent years. An important objective of a chaos controller is to suppress the chaotic oscillations completely or reduce them to the regular oscillations. The goal of this chapter is to present the evolution of chaotic systems in open and closed loop in function of their parameters and designing a controller using bifurcation diagrams.

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