Autor: Kowalski, Aleksander

Skocz do pozycji: 1.

Tytuł:: Geneza i geologiczne uwarunkowania rozwoju form osuwiskowych w środkowej części Obniżenia Noworudzkiego w Sudetach
Origin and geological constraints for the development of landslide forms in the central part of the Nowa Ruda Basin, Sudetes
Autorzy:: Kowalski, Aleksander
Tematy:: ruchy masowe
głęboko osadzone osuwiska
skały osuwiskowe
analiza LIDAR DEM
synklinorium śródsudeckie
Sudety Środkowe
mass movements
deep-seated landslides
rock topple
LIDAR DEM analysis
Intra-Sudetic Synclinorium
Middle Sudetes; Pokaż więcej
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Powiązania:: https://bibliotekanauki.pl/articles/20028318.pdf Link otwiera się w nowym oknie
Opis:: The paper presents the results of field mapping and structural analyses conducted within the landslides situated near Ludwikowice K³odzkie, in the central part of the Nowa Ruda Basin (Middle Sudetes, SW Poland). The area affected by mass movements is located within the eastern limb of the Intra-Sudetic Synclinorium (Głuszyca Monocline) composed of Upper Carboniferous to Lower Permian (Rotliegend) sedimentary rocks. Nine individual landslide forms, ranging in area from 0.5 to 22.7 ha, including two landslide complexes (Sokółka landslides, 49.7 ha in total area) have been identified and described in terms of their origin and geological conditions. Studies of landslide morphology and structural analysis allow recognition of several types of mass movements. They include: (i) rotational landslides (landslides Sokółka 1-3 and 5); (ii) translational slides (landslides Miłków 1-3); (iii) deep-seated, compound landslides (landslide Sokółka 4), and (iv) topple evolving into deep-seated rotational (?) slide (Sławosz landslide). The studies repeatedly confirm the usefulness of analyses of LiDAR digital elevation models coupled with field investigations and structural analyses.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Makroekonomiczne uwarunkowania rynku pracy w Polsce
Macroeconomics of Polish labour market
Autorzy:: Kowalski, Aleksander
Tematy:: rynek pracy
analiza rynku pracy
polityka stabilizacyjna
sytuacja makroekonomiczna
materiały konferencyjne
wzrost gospodarczy
labour market
labour market analysis
stabilisation policy
macroeconomic situation
conference materials
economic growth; Pokaż więcej
Wydawca:: Małopolska Wyższa Szkoła Ekonomiczna w Tarnowie
Powiązania:: https://bibliotekanauki.pl/articles/415542.pdf Link otwiera się w nowym oknie
Opis:: W artykule rozważono wpływ uwarunkowań demograficznych i makroekonomicznych na sytuację na rynku pracy w Polsce w latach 1999-2003, w tym również prowadzoną politykę stabilizacyjną. W szczególności omówiono przyczyny spadku dynamiki wzrostu gospodarczego w roku 1999 i utrzymywania się zapoczątkowanej wówczas dekoniunktury do roku 2002, a następnie symptomy ożywienia gospodarczego po roku 2002 oraz kierunki prowadzonej polityki budżetowej i pieniężnej.
The paper describes demography and macroeconomic mechanisms of Polish labor market. The causes of economic slowdown of 1999 and boom of 2002 as well as the directions of that―time economic policy are presented in the background of the situation on the Polish labor market. It is stressed that particularly strong relation is observed between the level of employment or unemployment, economic growth and investment. The author highlights the inevitability of the reorientation of the economic policy directions set up at the beginning of an economic transformation. The policy toward macroeconomic equilibrium and low inflation is considered to be too long and too strictly led by monetary authorities. Therefore, the policy of structural adjustment and long-term development has been too much neglected. The point is that although the macroeconomic equilibrium is as much necessary as long-run development policy, the appropriate hierarchy of priorities fitted into the stage and conditions of economic advancement is of key importance for good economic performance.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Multistage structural evolution of the end-Cretaceous–Cenozoic Wleń Graben (the Sudetes, NE Bohemian Massif) : a contribution to the post-Variscan tectonic history of SW Poland
Autorzy:: Kowalski, Aleksander
Tematy:: brittle tectonics
tectonic trough
post-Variscan tectonics
post-Variscan cover
Bohemian Massif
Central Europe; Pokaż więcej
Wydawca:: Polskie Towarzystwo Geologiczne
Powiązania:: https://bibliotekanauki.pl/articles/1836013.pdf Link otwiera się w nowym oknie
Opis:: Results of a new mapping and structural field study of the Wleń Graben (North Sudetic Synclinorium, SW Poland), made up of a post-Variscan volcano-sedimentary succession, were used to set up a new model of its multiphase tectonic evolution. The Wleń Graben constitutes a narrow tectonic trough, ca. 17.5 km long and up to 3.5 km wide, superimposed on the low-grade metamorphic rocks of the Kaczawa Metamorphic Unit and bounded by steep, NW−SE-oriented, normal and reverse faults. Previously, a simple, one-stage evolution of the graben was considered, with a single Alpine age intraplate compressional event responsible for the formation of the unit. The present study shows that the Late Cretaceous (post-Santonian?) evolution of the Wleń Graben was dominated by NW−SE-oriented, normal faults during the first, extensional stage of its formation. The central and southern parts of the graben were strongly affected by NW−SE-trending reverse faults and overthrusts, which reflect the second, probably latest Cretaceous to early Palaeogene(?) compressional event of tectonic deformation. Moreover, the whole area of the graben is dissected by sinistral strike-slip faults oriented perpendicular to the graben margins, representing the third stage of deformation (late Palaeogene–Neogene). The latest stage of evolution of the Wleń Graben includes a possible Neogene to Quaternary development of normal faults, interpreted here as gravitational collapse structures related to present-day morphology, rather than tectonically induced ones.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Late Cretaceous palaeogeography of NE Bohemian Massif : diachronous sedimentary successions in the Wleń Graben and Krzeszów Brachysyncline (SW Poland)
Autorzy:: Kowalski, Aleksander
Tematy:: Sudetic epi-Variscan cover
shallow-marine palaeostrait
wave-dominated sedimentation
tidal currents
offshore transition; Pokaż więcej
Wydawca:: Polskie Towarzystwo Geologiczne
Powiązania:: https://bibliotekanauki.pl/articles/1836017.pdf Link otwiera się w nowym oknie
Opis:: This paper provides a new sedimentological and palaeogeographic interpretation of the Late Cretaceous (late Cenomanian to early Coniacian) shallow-marine succession exposed in the Wleń Graben and in the Krzeszów Brachysyncline (NE Bohemian Massif, Sudetic Block). These two tectonic subunits are outliers of the North Sudetic and Intra-Sudetic synclinoriums, respectively, and contain relics of the diachronous sedimentary succession of a seaway linking the Boreal and Tethyan marine provinces during the Late Cretaceous. Results of sedimentological study and facies analysis show that the late Cenomanian sedimentation within this corridor was dominated by strong in situ reworking of the pre-Cretaceous bedrock driven by storm waves and possibly tidal currents. In the latest Cenomanian, siliciclastic sedimentation was followed by the deposition of offshore-transition to offshore muddy calcareous facies in the Krzeszów area, while the deposition of coarse-grained siliciclastic facies continued in the Wleń area. The nearshore clastic belt in the latter area changed into a wider strait dominated by offshore sedimentation in the early Turonian, whereby the interconnected Wleń and Krzeszów passages evolved into a uniform strait of fully-marine sedimentation. In the middle Turonian, the southern part of the strait became progressively filled with coarse-grained siliciclastic material supplied from the east. At the end of the late Turonian and in the early Coniacian, the strait funnelled bi-directional tidal currents along its axis. The youngest Cretaceous strata in the Wleń area comprise erosional relics of the early Coniacian shoreface to offshore-transition deposits. The younger Cretaceous deposits are unpreserved, probably eroded during the post-Santonian(?) tectonic inversion of the Wleń–Krzeszów strait. Despite the relatively small distance between the two relic parts of the strait, the shallow-marine succession reveals distinct diachroneity on a regional scale, reflecting an interplay of eustatic changes, differential tectonic subsidence and clastic sediment supply. This paper presents the first detailed sedimentological logs from the two study areas, with new findings of fossil fauna and flora, proposes a new palaeogeographic interpretation and discusses the influence and development of the source areas for the Cretaceous Sudetic Wleń–Krzeszów marine strait at the NE fringe of the Bohemian Massif.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Anulowanie wypłaty odsetek wynikających z obligacji AT1 – ramy regulacyjne
Autorzy:: Kowalski, Aleksander
Tematy:: hybrydowe instrumenty finansowe
kapitał regulacyjny
CRR
absorpcja strat
coupon deferral; Pokaż więcej
Wydawca:: Uniwersytet Warszawski. Wydawnictwo Naukowe Wydziału Zarządzania
Powiązania:: https://bibliotekanauki.pl/articles/2167971.pdf Link otwiera się w nowym oknie
Opis:: Obligacje AT1 stanowią najnowszy rodzaj hybrydowych instrumentów finansowych, które dzięki określonym mechanizmom absorpcji strat emitenta stanowią surogat kapitału banku. Jednym z tych mechanizmów jest szczególna właściwość w postaci możliwości całkowitego anulowania wypłaty odsetek przez emitenta. We wczesnym okresie rozwoju rynku obligacji AT1 ryzyko wstrzymania wypłaty odsetek na podstawie dyskrecjonalnego uprawnienia emitenta było dość powszechnie traktowane jako mało prawdopodobne. Ryzyko wstrzymania wypłaty odsetek zmaterializowało się jednak na początku 2016 r., kiedy same tylko pogłoski o możliwości skorzystania z takiej możliwości przez Deutsche Bank AG doprowadziły do znacznego spadku wyceny całego rynku obligacji AT1. Istnieje bowiem szereg okoliczności, które powodują brak możliwości wypłaty odsetek wynikających z obligacji AT1, autonomiczna zaś decyzja emitenta w tym zakresie jest tylko jedną z nich. Celem niniejszego artykułu jest opisanie przypadków, w których – ze względu na ograniczenia regulacyjne – emitent obligacji AT1 nie będzie uprawniony do wypłaty odsetek.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Współzależność pomiędzy prywatyzacją a publicznym rynkiem akcji
Privatization and the Capital Market
Autorzy:: Kowalski, Aleksander
Tematy:: privatization
capital market
stock
Investors
effectiveness; Pokaż więcej
Wydawca:: Szkoła Główna Handlowa w Warszawie. Kolegium Analiz Ekonomicznych
Powiązania:: https://bibliotekanauki.pl/articles/575816.pdf Link otwiera się w nowym oknie
Opis:: The article examines the relationship between privatization and the development of Poland’s capital market during the country’s transition from central planning to a free market. The paper traces the role of privatization in the process of building a capital market and the influence of the capital market on the course of privatization. The analysis is based on some widely known capital market theories, methods of analysis and simple statistical methods including correlation coefficients. As a result of the analysis, the author formulates the following conclusions: first, privatization, accompanied by the necessary legal and institutional regulations, was indispensable for the development of the stock market; second, the capital market had a significant contribution to the effectiveness of privatization processes; third, the government, in its capacity as the seller of shares of privatized enterprises on the capital market, acted no less rationally than private investors.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Triassic palaeogeography of NE Bohemian Massif based on sedimentological record in the Wleń Graben and the Krzeszów Brachysyncline (SW Poland)
Autorzy:: Kowalski, Aleksander
Tematy:: fluvial sedimentation
Buntsandstein
Polish Buntsandstein Basin
Triassic Germanic Basin
epi-Variscan cover
Bohemian Massif; Pokaż więcej
Wydawca:: Polskie Towarzystwo Geologiczne
Powiązania:: https://bibliotekanauki.pl/articles/1836356.pdf Link otwiera się w nowym oknie
Opis:: This paper presents a new sedimentological and palaeogeographic interpretation of the Early to Middle(?) Triassic continental deposits in the Wleń Graben and the Krzeszów Brachysyncline (Sudetes, SW Poland). These two tectonic subunits, located in the peripheral segments of the North Sudetic and Intra-Sudetic synclinoriums, respectively, represent the crucial elements for deciphering the post-Variscan palaeogeographic evolution of the NE termination of the Bohemian Massif. Sedimentological studies and facies analysis show that the Early Triassic siliciclastic deposition in both areas was dominated by fluvial sedimentation of the typical Buntsandstein facies within a gently sloping alluvial plain, locally followed by ephemeral lake environments in the late Early or Middle(?) Triassic. The lithofacies and the measured palaeocurrent directions indicate that the area was drained by braided streams flowing towards the northwest and north. Individual fluvial channels had depths not exceeding 1 m and widths of up to a few metres. Overbank deposits are poorly preserved due to the lateral shifting of channels. Based on available borehole data, an analysis of isopach maps was performed for the first time in the study areas. The study areas are presently separated by crystalline units devoid of sedimentary rocks, but the analysis indicate that they might have been in constant or periodical connection during the Triassic. It is concluded that the present-day extent of Triassic deposits is a result of the primary basin configuration combined with the Middle Triassic to Late Cretaceous erosion and post-Cretaceous tectonic uplift. The paper summarizes the present state of research on the continental Triassic preserved in the terminal parts of the North Sudetic and Intra-Sudetic synclinoriums, presents the first detailed sedimentological logs, and proposes new palaeogeographic interpretation. New findings include bioturbation structures, such as plant-root traces or tunnels formed by invertebrates and possible tetrapod footprints, which shed new light on the sedimentological interpretation of the continental Mesozoic deposits in the NE part of the Bohemian Massif.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Adam i Ewa jako dzieci w egzegezie syryjskiej
Autorzy:: Kowalski, Aleksander
Tematy:: Adam
Ewa
Ojcowie Kościoła
Eve
Fathers of Church; Pokaż więcej
Wydawca:: Katolicki Uniwersytet Lubelski Jana Pawła II
Powiązania:: https://bibliotekanauki.pl/articles/1177676.pdf Link otwiera się w nowym oknie
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Development of a non-perennial to ephemeral fluvial system in continental fault-bounded basin – an example from the early Permian Krajanów Formation of the Intra-Sudetic Basin (NE Bohemian Massif)
Autorzy:: Kowalski, Aleksander
Furca, Magdalena
Tematy:: palaeoclimate
distributive fluvial system
endorheic basins
palaeogeographic reconstruction
Asselian
Sudetes; Pokaż więcej
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Powiązania:: https://bibliotekanauki.pl/articles/58907103.pdf Link otwiera się w nowym oknie
Opis:: Non-perennial to ephemeral fluvial systems dominated by seasonal discharge fluctuations and episodic rapid flood-flow events are typical of arid to semi-arid climatic conditions. Dryland fluvial systems have been described from many ancient and modern, predominantly tectonically-controlled sedimentary basins across the globe. This study provides detailed sedimentological analysis and palaeoenvironmental interpretation of the lowermost part of the early Permian (?Asselian) Krajanów Formation exposed within the continental, fault-bounded Intra-Sudetic Basin (ISB), located on the NE periphery of Bohemian Massif. High-resolution sedimentological logging and facies analysis indicate that the early Permian fluvial system in this area was dominated by ephemeral fluvial processes influenced strongly by a semi-arid to arid climate. Rapid (?catastrophic) flood events led to episodic sedimentation of vertically and laterally amalgamated fluvial channel infills, with abundant upper flow regime structures as well as poorly channelized, laterally extensive sheet-like bodies of sandstone. The overbank deposits are poorly preserved due to frequent lateral shifting of the channels. Soft-sediment deformation structures formed due to events of river bank collapse as well as debris flow facies point to high-energy, waning flows. It is concluded that deposition occurred on broad, terminal-type alluvial fans, probably in their proximal- to medial segments within a distributive fluvial system of the Permian Intra-Sudetic Basin. Petrographic composition and measured palaeocurrent directions show that the sediment was sourced from the neighbouring massifs – the Sowie Mts. Massif to the east, the Bardo Structure and a hypothetical Southern Massif to the south/south-east.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Historia Oddziału Wrocławskiego Polskiego Towarzystwa Geologicznego w latach 1970–2021
A history of the Wrocław Branch of the Polish Geological Society in the years 1970-2021
Autorzy:: Żelaźniewicz, Andrzej
Kowalski, Aleksander
Tematy:: Polskie Towarzystwo Geologiczne
Oddział Wrocławski
Polish Geological Society
Wrocław Branch; Pokaż więcej
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Powiązania:: https://bibliotekanauki.pl/articles/2074315.pdf Link otwiera się w nowym oknie
Opis:: In 2022, the Wrocław Branch of the Polish Geological Society celebrates its 70 jubilee. It was founded in 1951 and has been active since 1952. During the last 50 years, there were organized nearly 700 scientific lectures on widely different geological topics, five full plenary meetings of the Society in the Lower Silesia venues with dedicated field excursions, several thematic conferences (with on-spot field examination) during trips to various outcrops all over the region. Other occasional activities included celebration of the 250^th anniversary of Abraham Gottlob Werner's birthday honoured by placing a sandstone triptych commemorative plaque on his family home in Osiecznica near Bolesławiec.
Dostawca treści:: Biblioteka Nauki

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