Secondary deformations are ground movements occurring in areas of ceased underground mining. These are associated with delayed readjustment of rock mass resulting in subsidence, discontinuous deformations (sinks, cracks, etc.) due to destruction of underground, usually shallow, workings, and elevation of ground surface in response of rock mass to rising groundwater levels following the end of mine water drainage. Comparative analysis of secondary deformations in two former mining areas in the first period after cessation of underground hard coal mining is the subject of this study. We used ERS-1/2 and Envisat satellite radar interferometry data processed with PSInSAR technique and GIS to map vertical (in satellite’s line of sight, LOS) movements of the surface and analyse them in relation to location of coal fields and underground water table rise. In the study, two areas have been compared, the Ostrava city in the Czech part of the Upper Silesian Basin and the Wałbrzych Coal Basin in Poland. The results of analyses based on the results of PSInSAR processing between 1995 and 2000 for the Wałbrzych site indicate uplift (up to +12 mm/year) in closed parts of coal fields and subsidence (up to -8 mm/year) in areas of declining mining. Results of PSInSAR analysis over the Ostrava site indicate decaying subsidence after mine closures in the rate of up to -6 mm/year during 1995-2000. Residual subsidence and gentle uplift have been partly identified at surroundings of closed mines in Ostrava from 2003-2010 Envisat data. In Wałbrzych gentle elevation has been determined from 2002 to 2009 in areas previously subsiding. and Blachowski Jan, Jiránková Eva, Lazecký Milan, Kadlečík Pavel, Milczarek Wojciech.
Autorovi jsou vlastní přístupy „nové filmové historie“, které oprošťují psaní o filmu od tradičních kategorií a periodizací a obracejí badatelskou pozornost k ekonomickým aspektům filmového průmyslu nebo k problematice distribučních mechanismů a diváctví. To obnáší interdisciplinární přesahy a nutnost pracovat s velice rozmanitým materiálem. Autor podnikl rozsáhlý průzkum v archivech šesti zemí a jeho výsledky kriticky a organicky propojuje s poznatky z dalších zdrojů včetně svědectví pamětníků. První část metodologicky vzorně koncipované publikace je věnována kulturním transferům v rámci severního trojúhelníku, s dalšími zeměmi sovětského bloku i s kapitalistickými státy. Ve druhé části autor v kontextu stalinismu a následného „tání“ mapuje úlohu filmové distribuce, s jejíž pomocí se režim snažil o sociální integraci občanů. Mimořádně přínosná je podle recenzentky třetí část, věnovaná divácké recepci filmů a podepřená lokální případovou studií o chování a postojích publika v poválečném Brně, Lipsku a Poznani., The author of the book under review uses the approaches of the "new film history", which frees him from writing about film using traditional categories and periodizations, and allows him to turn his attention to economic aspects of the film industry or to distribution mechanisms and audiences. That approach entails overlaps with other disciplines and work with a wide range of material, The author has undertaken extensive research in the archives of six countries, and has critically and organically linked this research together with information from other sources, including eyewitness accounts. The first part of this methodologically exemplary publication is devoted to cultural transfers in the "Northern Triangle" (Czechoslovakia, East Germany, and Poland) with other Soviet bloc countries and also with capitalist states. In the second part, in the context of Stalinism and the subsequent Thaw the author looks at the role of film distribution which the régime sought use to integrate its citizens into society. An exceptional contribution of the publication, according to the reviewer, is the third part, which focuses on film-audience reception, supported by local case studies on the behaviour and attitudes of Brno, Leipzig and Poznan audiences after the Second World War., [autor recenze] Alena Šlingerová., and Obsahuje bibliografii a bibliografické odkazy
The development of knowledge on geodynamic processes is one of the most important issues in the Earth’s science. Over decades, geodetic techniques have been applied to study the geodynamics. The Global Navigation Satellite Systems (GNSS) have been reliably used for monitoring geodynamic processes. The satellite gravimetric missions such as GRACE (Gravity Recovery And Climate Experiment) and GRACE Follow-On (GRACE-FO) missions have provided numerous valuable information concerning temporal mass variations within the Earth system which can subsequently be converted to surface deformations of the Earth. The main aim of this study is to compare vertical deformations of the Earth's surface over the area of SouthEastern Poland obtained from GNSS data with the corresponding ones determined from GRACE data. The GNSS data for the period between 2008 and 2013 from 25 permanent GNSS stations operating in South-Eastern Poland and the latest release of GRACE-based Global Geopotential Models (GGMs) were used. GNSS data and GRACE-based GGMs were processed with the GAMIT/GLOBK and the IGiK‒TVGMF (Institute of Geodesy and Cartography - Temporal Variations of Gravity/Mass Functionals) packages, respectively. The results obtained indicate that monthly vertical deformations of the Earth’s surface determined using GNSS data are generally in a good agreement with the corresponding ones obtained from GRACE satellite mission data. Coefficients of correlation between these vertical deformations range from 0.60 to 0.90 and standard deviations of their differences are in the range of 2.6 - 5.7 mm., Walyeldeen Godah, Malgorzata Szelachowska, Jagat Dwipendra Ray and Jan Krynski., and Obsahuje bibliografii
Microseismic monitoring has become a standard technique to map the development of hydraulic fracturing. This study is a case study of a downhole monitoring of the hydraulic fracturing in a lateral well in Northern Poland. The downhole monitoring array detected a large number of microseismic events indicating successful development of a hydraulic fracture. We show evidence that some stages interacted with the pre-existing natural fault system also mapped from surface active seismic imaging. The mapped hydraulic fracture shows a slight asymme try of the developed hydraulic fractures. We show that the observed microseismicity is cons istent with microseismicity usually observed in the North American shale gas stimulations., Eryk Święch, Paweł Wandycz, Leo Eisner, Andrzej Pasternacki and Tomasz Maćkowski., and Obsahuje bibliografické odkazy
The study focuses on the early medieval large glass beads from the area of Poland, i.e. specimens whose diameter equals at least 1.5 cm but usually ca. 2 cm or more. The main aim of this study is to define their function, considering precise context of discovery of particular specimens, metric data and microscopic analyses. Another important task of the study is to determine whether large beads were local products or imports, and from which region and in what social circumstances they reached the studied area. Alongside macroscopic and stylistic features, chemical composition of glass that was used for production of the beads can be conclusive in this situation. In our opinion, it is a special category of finds that appeared in this part of Europe during the time of cultural and political transformation in the 11th–13th centuries. and Předmětem studie jsou polské nálezy raně středověkých velkých skleněných korálů, tj. exemplářů, jejichž průměr činí nejméně 1,5 cm, ale obvykle kolem 2 cm či více. Hlavním cílem je přispět k objasnění jejich funkce na základě nálezového kontextu, metriky a výsledků mikroskopické analýzy. Neméně důležité jsou otázky, zda se jedná o místní produkci či o importy, jaká je jejich geografická distribuce a sociální charakteristika prostředí, ve kterém byly nalezeny. Kromě makroskopicky patrných a morfologických znaků autorky hodnotí též chemické složení korálů. Docházejí k závěru, že velké korály reprezentují samostatnou kategorii nálezů a jejich výskyt odráží kulturní a politické proměny středoevropské společnosti v 11.–13. století.
At present, the catalogue of early mediaval bridges in the nort-western part of territory with Slavic settlement contains 81 localities: 47 in Germany and 34 in Poland. In some of them more than one bridge (2 to 3 structure) was documented, bringing the total number of bridges to 101. Construction dates, different prhases in the lives of the bridges and dates ranges for when they were reapired were obtained based on dendrochronology and spartial-chronological analysis. The present anaylsis deals with 48 bridges from 37 localities in north-west Slavic territory: 22 in Germany and 16 in Poland. In 16 cases more or less probable reconstructions have been made and four basic types of bridges ascertained., Gerard Wilke., and Obsahuje seznam literatury
This paper aims to describe the production of minor items, mostly dress accessories, from non-ferrous metals on a market square to understand how the organization of space looked like and to get an insight of chaînes d’opératoires. Base for this research are numerous production waste finds from excavations which were conducted in Wroclaw at New Market Square – a place which fulfils a role of a market square since the 2nd half of the 13th century to this day. The paper focus on spatial analysis of finds based on proposed ‘typology’of metal scraps in relation to organization of similar production in the whole medieval city. and Článek se zabývá drobnými artefakty (především oděvními aplikacemi) z neželezných kovů, jež pocházejí z prostoru náměstí Nowy Targ ve Vratislavi. Předmětem výzkumu je početný soubor výrobního odpadu z druhé poloviny 13. a ze 14. století. Článek se zaměřuje na prostorovou analýzu různých typologických skupin kovového odpadu ve formě odstřižků a úlomků, a to s přihlédnutím k dokladům obdobné produkce v rámci celého města. Vypracovaná typologie předmětů slouží jako východisko studia funkčního uspořádání tržního prostranství a tzv. operačního řetězce výroby.
E-government becomes an important element of the emerging e-societies. There is a great diversity of strategies, policies and results related to its introduction. Educational and cultural conditions and possibilities are vital because they generate - or not - interests in ICTs and their various applications. So capacity building for e-government is a coplex porcess, not limited to introduciton of technological and organizational actions. Moreover e-government is costly and will require soon not only social but also econimic evaluation. These issues are explored in an illustrative case study of e-services in Poland. and Lech W. Zacher, Tomasz Białobłocki