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Tytuł:
Surface Karst Landforms of the Notranjska region (south-western Slovenia)
Autorzy:
Gawor, Ł.
Jonczy, I.
Powiązania:
https://bibliotekanauki.pl/articles/128426.pdf
Data publikacji:
2014
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
landforms of surface karst
polje
karst valley
karst karren
swallow hole
karst spring
Opis:
The distribution and characteristics of surface karst landforms in the Notranjska region, exemplified in the Cerknisica and Rak river catchment, is presented. The geomorphology of the examined area, with respect to on the micro-, meso- and macro-forms division, is described. The course and dynamics of morphogenetic and geological processes are analyzed. A geotourist route linking the described landforms of surface karst is proposed.
Źródło:
Geotourism / Geoturystyka; 2014, 2; 55-60
1731-0830
Pojawia się w:
Geotourism / Geoturystyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geoindicators of changing landscapes-an example of karst development in North Lithuania
Autorzy:
Satkunas, J.
Taminskas, J.
Dilys, K.
Powiązania:
https://bibliotekanauki.pl/articles/2059127.pdf
Data publikacji:
2006
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
geoindicators
sulphate karst
sinkholes
karst denudation
Opis:
During the last two decades of the 20th century and first years of the 21st century more intensive karst processes have been witnessed in North Lithuania. The intensity of the karst process is visible as new sinkholes appearing that severely damage crops, constructions and communication systems. Explanation and forecast of these hazardous phenomena requires knowledge based on systematic monitoring data and adequate interpretation with identification of relevant geoindicators of the intensive sulphate karst processes which are of primary significance for environmental planning and management of the region. Two geoindicators, gypsum chemical denudation and the intensity of appearance of new sinkholes, were selected for monitoring of karst processes in North Lithuania. Chemical denudation has been measured since 1964 in this region. These geoindicators show that since 1978 the intensity of karst denudation has increased by 30%, with more frequent formation of sinkholes. A correlation of this phenomenon with climate change — increasing air temperature and decreasing of the duration of seasonally frozen ground — is proposed and discussed in this paper.
Źródło:
Geological Quarterly; 2006, 50, 4; 457-464
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Variability in chemical composition of waters in the Zoloushka gypsum cave (Ukraine-Moldova) as a consequence of anthropogenic degradation of a karst aquifer
Autorzy:
Andreychouk, Viacheslav
Różkowski, Jacek
Jóźwiak, Krzysztof
Powiązania:
https://bibliotekanauki.pl/articles/2060096.pdf
Data publikacji:
2021
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
karst aquifer degradation
gypsum karst
water geochemistry
Zoloushka Cave
Opis:
The Zoloushka Cave, with passages >90 km long and a volume of ~0.65 million m3, is among the largest gypsum caves in the world. The cave was opened in the course of gypsum excavation in a quarry in the village of Criva (Moldova) located just near the border with Ukraine. During the quarry exploitation, with the accompanying pumping of water, the groundwater table was lowered to the bottom part of the gypsum layer. As a result of the pumping, the karst aquifer within the cave labyrinth was fragmented into separate underground reservoirs controlled by the morphology of the karst system and its content of clay deposits. Currently, there are several dozen lakes in the cave with a varied hydrodynamic regime (relict lakes, lakes with direct and indirect hydraulic connection with the aquifer). Research was carried out in February 2020 to determine the degree of, and reasons for, the hydrogeochemical diversity of 10 selected lakes of various hydrodynamic types present in the cave. The degree of variability of the hydrogeochemical parameters of these lakes was found to depend on a number of factors, mainly: the hydrodynamic type of the cave lake resulting from the degree of its hydraulic connection with the aquifer; the geochemical environment of the lake; and anthropogenic influence. The autonomizing role of these factors is the modification (within individual lakes) of the hydrogeochemical context of the transit waters flowing through the cave system to the quarry.
Źródło:
Geological Quarterly; 2021, 65, 3; 65: 41
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fractal analysis of tropical karst relief : South China Karst case study
Autorzy:
Andreychouk, Viacheslav
Blachowicz, Tomasz
Dłużewski, Maciej
Powiązania:
https://bibliotekanauki.pl/articles/2058635.pdf
Data publikacji:
2019
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
fractal dimension
cover factor
tropical karst
South China Karst
Opis:
Areas of tropical karst create the most spectacular earth landscapes from a geomorphological perspective. These areas are characterized by a variety of specific forms resulting from the long-term karst-erosion dismemberment of terrains in favourable humid tropical conditions. Tropical karst areas are extremely diverse from a geomorphological point of view both in terms of local conditions of development and developmental stages. Among the many types of karst relief, the following two basic types can be recognized: fenglin (tower karst) and fengcong (cone karst). The other types can be treated as a mixture of these two basic types. To find potential quantitative rates characterizing the two main types, as well as the mixed types, we calculated fractal dimensions and cover factors of 17 areas located within the two well-known regions of South China Karst - Guilin and Huanjiang. The calculations show that the numerical characteristics obtained, especially the cover factor parameter, can be useful as complementary tools in the recognition and typology of tropical karst relief and landscapes.
Źródło:
Geological Quarterly; 2019, 63, 4; 729--740
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zjawisko wyspowości w krajobrazie krasowym
The insularity phenomenon in karst landscape
Autorzy:
Andrejczuk, W.
Powiązania:
https://bibliotekanauki.pl/articles/87921.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Geograficzne
Tematy:
wyspa
wyspowość
kras
krajobraz krasowy
island
insularity
karst
karst landscape
Opis:
Obszary krasowe, w tym krajobrazy krasowe cechuje wyraźna odrębność środowiskowa. Polega ona na tym, że ze względu na rozwój podziemnych kanałów i próżni oraz ich interakcje z powierzchnią, obszary krasowe nabywają specyficznych cech (suche, bezwodne, czasami kamieniste, usiane lejami krasowymi, o specyficznej roślinności, glebach itp.), wyróżniających je – bez względu na strefy klimatyczne – spośród innych krajobrazów w postaci niejakich „wysp”. Zjawisko wyspowości dostrzec można również w strukturze wewnętrznej krajobrazów krasowych. Wyraźnie wyspowy charakter mają zarówno wklęsłe (leje, zapadliska, kotliny, polja) jak i wypukle (pojedyncze pagóry, ostańce) geokompleksy, występujące wewnątrz krajobrazu. Specyficzny wyspowy charakter mają też odrębne utwory krasowe, takie jak: senote, tiankeng, mogote, tepui itp. W ich obrębie tworzą się „zaginione światy”, refugia biotyczne, ośrodki o wzmożonej bioróżnorodności, co nadaje im wyjątkowych wartości przyrodoochronnych. Szczególny typ wyspowości krajobrazu krasowego stanowią tzw. archipelagi krasowe, rozpowszechnione w przybrzeżnej strefie obszarów krasu tropikalnego typu fenglin, zatopionych w holocenie wskutek transgresji morza.
Karst areas, including karst landscapes, differ by highly distinct environment. It consists in the fact that due to the development of underground channels and cavities and their interaction with the surface, karst areas acquire specific characteristics (dry, waterless, sometimes rocky, dotted with karst dolines and sinkholes, with a specific vegetation, soils, etc.), distinguishing them - without due to the climatic or plant zones – from other landscapes in the form of certain "islands". The phenomenon of insularity can be seen also in the internal structure of karst landscapes. Clearly insular character are both concave (dolines, sinkholes, depressions, polja) and convex (single hills, karst towers) geokomplexes occurring within the landscape. The specific insular nature are also distinct karst formations such as senote, tiankeng, mogote, tepui etc. "Lost worlds", biotic refugias, centres with increased biodiversity, which gives them exceptional nature-protection values, created within them. The particular type of insularity of karst landscape are the so-called karst archipelagos widespread in the coastal zone of tropical karst areas of fenglin type, submerged due to Holocene transgression.
Źródło:
Prace Komisji Krajobrazu Kulturowego; 2016, 33; 21-37
1896-1460
2391-5293
Pojawia się w:
Prace Komisji Krajobrazu Kulturowego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development of karst phenomena for geotourism in the Moravian Karst (Czech Republic)
Udostępnianie geoturystyczne form krasowych w Krasie Morawskim (Republika Czeska)
Autorzy:
Migoń, P.
Powiązania:
https://bibliotekanauki.pl/articles/128374.pdf
Data publikacji:
2011
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
Kras Morawski
kras
jaskinie
georóżnorodność
Moravian Karst
karst
caves
geodiversity
Opis:
The Moravian Karst in the south-eastern part of the Czech Republic has considerable potential for the development of geotourism. It is characterized by outstanding geodiversity, revealed in abundant, surface and subterranean karst landforms, as well as protracted history of karst evolution which can be traced back to the Mesozoic. An additional value is provided by the presence of cultural heritage, related to exploitation and processing of mineral resources genetically linked to the karst environment. The significance of this area is further enhanced by easy access to karst landforms and phenomena. Five caves, each of different morphology, can be visited. A dense network of educational trails, marked paths, forestry and field-access roads allows the visitor to reach all interesting features of karst morphology.
Kras Morawski w południowo-wschodniej części Republiki Czeskiej jest obszarem o bardzo dużym potencjale geoturystycznym. Cechuje go znaczna georóżnorodność, wyrażająca się bogactwem form krasu powierzchniowego i podziemnego oraz złożoną historią ewolucji krasu, sięgającą ery mezozoicznej. Elementem dodatkowym są liczne obiekty dziedzictwa kulturowego, związane z eksploatacją i przeróbką surowców mineralnych genetycznie związanych ze środowiskiem krasowym. O randze obszaru decyduje także bardzo dobre udostępnienie form rzeźby krasowej. Do zwiedzania jest przystosowanych pięć jaskiń o odmiennej morfologii, wytyczono kilka ścieżek edukacyjnych, a gęsta sieć znakowanych szlaków, dróg leśnych i polnych pozwala na dotarcie do wszystkich interesujących form powierzchniowych.
Źródło:
Geotourism / Geoturystyka; 2011, 3-4; 3-24
1731-0830
Pojawia się w:
Geotourism / Geoturystyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Karst relief of the Mali me Gropa Massif, central Albania
Autorzy:
Andreychouk, Viacheslav
Eftimi, Romeo
Nita, Jerzy
Klimchouk, Alexander
Powiązania:
https://bibliotekanauki.pl/articles/2127365.pdf
Data publikacji:
2022
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
karst geomorphology
mountain karst
central Albania
Mali me Gropa massif
Opis:
The mid-altitude mountain massif of Mali me Gropa is located in the central part of Albania, rises to an altitude of 1500–1800 m a.s.l., is composed mostly of Mesozoic limestone, and is characterized by extensive surface karst development. The karst relief is dominated by “doline” morphology including “polygonal” karst. Detailed geomorphological analysis of the western part of the Mali me Gropa massif (so-called Western Massif) by means of GIS methods is used to determine and explain the morphometric and morphological diversity of the area’s topography. Based on a homogeneity criterion, a number of geomorphological units with specific kinds of karst relief have been distinguished within the massif. The differences in karst sculpture concern the size (diameter) of dolines and depressions, their depth, shape and symmetry, orientation, density of occurrence and spatial pattern, which provide the basis for distinguishing geomorphological units. The spatial differentiation of the karst relief is explained by the influence of factors which are evolutionary (geological and geomorphological evolution of the massif), hypsometric (altitude difference of terrains) and geomorphologic-structural (inclination of the slopes and layers). The relatively poor expression of open karst conduits (i.e. caves and vertical shafts) on the surface of the massif may result from the relative immaturity of the epikarst zone, the widespread occurrence of residual cover on the plateau, and the accumulation of large amounts of clay material in dolines and depressions. Detailed hydrogeological studies show, however, high karst permeability and dominance of conduit flow. Considering the high geomorphological landscape and ecological value of the area, it should be granted the status of a nature reserve or national park. Geomorphological and karstological research within the massif should be continued as it represents a type of karst found also in other parts of Albania. This type of karst area is of great economic (groundwater reserves) and natural protection (environmental) importance.
Źródło:
Geological Quarterly; 2022, 66, 1; art. no. 6
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Circulation in present-day karst systems sourcing the vaucluse springs in the Polish Tatra Mts., based on tracer methods and limnimetric observations
Autorzy:
Barczyk, G.
Powiązania:
https://bibliotekanauki.pl/articles/2059632.pdf
Data publikacji:
2003
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Tatra Mts.
karst
vaucluse springs
karst systems
tracer methods
stationary observations
Opis:
The paper reviews research into karst system recharging the vaucluse springs in the Tatra Mts. Investigations of present-day karst systems are carried out directly with tracer methods, as well as based on interpretations of stationary observations in springs. Direct methods lead to the determination of groundwater migration routes and their rates, with further information from interpretations of results obtained from monitoring the vaucluse springs of the area.
Źródło:
Geological Quarterly; 2003, 47, 1; 97-106
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
O możliwości występowania transgranicznych przepływów krasowych w obrębie wychodni serii wierchowych rejonu Kasprowy Wierch – Skrajna Turnia (Tatry Zachodnie)
About possibilites of occurrence transbordery karst flows in region Kasprowy Wierch – Skrajna Turnia (Western Tatra Mts.)
Autorzy:
Barczyk, G.
Powiązania:
https://bibliotekanauki.pl/articles/2062259.pdf
Data publikacji:
2013
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
przepływy krasowe
badanie znacznikowe
kras
Tatry
karst drainage
tracer experiment
karst
Tatra Mts.
Opis:
Na podstawie analizy budowy geologicznej i stopnia zaangażowania tektonicznego jest planowane przeprowadzenie badań znacznikowych połączeń krasowych, pomiędzy nowo odkrytymi ponorami na południowych zboczach Beskidu, a systemem Wywierzyska Goryczkowego.
On basis of analysis of geology and tectonics It is planned to carry out tracer experiments of karst connections between newly discovered sink holes on the southern slopes of Beskid (Mt.) (Tatra Mts.) and the Wywierzysko Goryczkowe karst system.
Źródło:
Biuletyn Państwowego Instytutu Geologicznego; 2013, 456 Hydrogeologia z. 14/1; 33--38
0867-6143
Pojawia się w:
Biuletyn Państwowego Instytutu Geologicznego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fossil karst in the Jurassic of the Kościuszko Mound in Kraków (southern Poland) : discussion
Autorzy:
Felisiak, I.
Powiązania:
https://bibliotekanauki.pl/articles/2060187.pdf
Data publikacji:
2016
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
fossil karst
southern Poland
Jurassic
Źródło:
Geological Quarterly; 2016, 60, 1; 252--255
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Castoridae (Rodentia) from the Villafranchian site of Węże 2 in southern Poland
Autorzy:
Czernielewski, Michał
Powiązania:
https://bibliotekanauki.pl/articles/2185979.pdf
Data publikacji:
2022
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Villafranchian
rodents
beavers
Węże
karst
Opis:
Several isolated teeth and jaw fragments of beavers (Rodentia: Castoridae), discovered at the Villafranchian (MN 16b?) site of Węże 2 in southern Poland, are attributable to two species: Dipoides ex gr. problematicus-sigmodus and Trogontherium (Euroxenomys) minus. The genus Dipoides and the species Trogontherium (Euroxenomys) minus have not previously been reported from Poland. Their presence at the Węże 2 site suggests that these lesser-known and extinct representatives of the Castoridae were adapted to similar conditions as the modern species (Castor fiber and C. canadensis).
Źródło:
Geological Quarterly; 2022, 66, 2; art. no. 18
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Corrosion of carbonate speleothems by an allogenic river inferred from petrography and a weight loss experiment : a case study from the Demänová Cave System, Slovakia
Autorzy:
Sala, Przemysław
Bella, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/27311293.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
Karst
carbonates
hiatus
dissolution
palaeoenvironment
Opis:
The crystallization of speleothems can be interrupted by the invasion of allogenic water into cave passages. These interruptions were studied, both in speleothems currently submerged in an underground river and in speleothem sections, which were found at the lowermost fluvially active passage level of the Demänová Cave System. The interaction between speleothems and allogenic water, undersaturated with respect to calcite, is manifested in the presence of siliciclastic material and the corrosion of calcite crystals. The progressive development of corrosion features depends on the duration of the interaction of calcite crystals with allogenic water. Moreover, the movement of the water and siliciclastic deposition over the speleothems can influence the corrosion process. The estimated rate of corrosion, caused by the underground Demänovka River and measured by the weight loss of experimental tablets, is up to 0.029 mm/y. U-series dating indicated that the interaction of speleothems with allogenic water occurred during the Vistulian (Weichselian). The identification of corrosion episodes, caused by allogenic water, is a step towards understanding the origin of hiatuses and establishing criteria for recognition of them.
Źródło:
Annales Societatis Geologorum Poloniae; 2023, 93, 4; 467--481
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Polska w projekcie World Karst Aquifer Mapping Project (WOKAM)
Poland in World Karst Aquifer Mapping Project (WOKAM)
Autorzy:
Różkowski, J.
Grabala, D.
Polonius, A.
Powiązania:
https://bibliotekanauki.pl/articles/2075436.pdf
Data publikacji:
2015
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
wody krasowe
wody podziemne
źródła krasowe
jaskinie
karst aquifers
groundwater
karst springs
caves
Opis:
The article presents World Karst Aquifer Mapping Project (WOKAM). The goal of this project, implemented in 2012– 2015, is to establish the first karst aquifer world map, presenting karst aquifers, most important water intakes, karst springs and caves. Selection criteria of the karstic objects were discussed in the paper. Database, created on their basis covering the area of Poland, includes: 17 water intakes (extracting mainly from the Triassic carbonate aquifer of Silesian – Kraków monocline), 7 springs (including 5 vaucluses from Tatra Mountains), 23 caves (located mainly in Western Tatra Mountains and in Kraków – Wieluń Upland). There is a probability of location of individual hydrogeological objects from Poland on the world karst aquifer map considering the importance of the region.
Źródło:
Przegląd Geologiczny; 2015, 63, 10/2; 1042--1046
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of geochemical modeling for analysis of changes in groundwater chemistry in karst area (case study from gypsum karst in the Czarny Potok valley, SW Ukraine)
Autorzy:
Solovey, T.
Jóźwiak, K.
Powiązania:
https://bibliotekanauki.pl/articles/87453.pdf
Data publikacji:
2008
Wydawca:
Polskie Towarzystwo Geograficzne
Tematy:
karst processes
geochemical model
Ukraine
Opis:
One of the most up to date scientific problems in recognition of karst processes is quantitave evaluation their activity. Basic and distinctive indicators that describe karst processes activity are intensity and magnitude of chemical denudation (Aksiom S.D., 2002). Not only a tool for describing changes taking place in the observed hydrogeological system will be presented in the paper but tools that allow to predict changes that may take place on the spur of the natural and anthropogenic factors. Only a few methods widely used in hydrogeology are also used in geography. In this paper authors present basis of geochemical modeling that can be widely used. Geochemical modeling can be divided into two main issues: Measurement, assessment and generalization of kinetic and thermodynamic data for solid phases (e.g. minerals), gases and solutions; Use of above data in numerical algorithms describing natural and anthropogenicly changed systems of interaction between water and matrix (Macioszczyk, Dobrzyński, 2006). The practical aspects of geochemical modeling concentrate mainly on creating geochemical models of the environment and its changes. Geochemical modeling has been recently widely used for describing chemical composition of groundwater as well as factors and processes shaping it. A geochemical model is a tool that allow for understanding hydrogeochemical processes taking place in the environment. It is a basis for further analysis of system`s susceptibility for modifications conducted by human as well as it might be an element of the forecast of the risk of environment contamination. The main advantage of geochemical modeling is simplicity of received data interpretation, possibility of groundwater chemistry origin interpretation, predicting chemistry modifications and also forecasting changes in water quality. Geochemical models can be divided into three main groups: Speciation model – it doesn`t include any information about temporal or spatial distribution of processes, it only describe the effect of water – rock – gases interaction in a single point of hydrogeological space; Reaction path model – it delivers information about succeeding changes of the hydrogeological system (spatial variability) that take place as an effect of providing a load of mass and/or energy. The time effect can be modeled with use of reaction rate constant; Reactive transport model – it include data describing temporal and spatial variability of chemical reactions in the system.
Źródło:
Prace Komisji Krajobrazu Kulturowego; 2008, 8; 231-243
1896-1460
2391-5293
Pojawia się w:
Prace Komisji Krajobrazu Kulturowego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Gliridae (Rodentia) from the Villafranchian site of Węże 2 in southern Poland
Autorzy:
Czernielewski, Michał
Powiązania:
https://bibliotekanauki.pl/articles/2058683.pdf
Data publikacji:
2021
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Villafranchian
rodents
dormice
Węże
karst
Opis:
A fossil assemblage of dormice (Rodentia: Gliridae) was uncovered at the (Lower?) Villafranchian site of Węże 2 in southern Poland. Based on morphometric criteria, the diagnostic M1 and m1 speci mens are assignable to Glis mi nor and Glis sackdillingensis, two species which differ only in the dimensions of their cheek teeth. The presence of dormice at Węże 2 implies that the fossil assemblage of this site represents an at least partly wooded environment. The enamel structure in the glirids from Węże 2 is formed predomi nantly by radial enamel. A thin layer of lamellar enamel, occurring close to the enamel-dentine junction, may be present. Such a type of enamel structure is typical of the Myomorpha, the clade of rodents encompassing the Muroidea (the mouse-like rodents) and Gliridae.
Źródło:
Geological Quarterly; 2021, 65, 4; 28--39
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 91

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