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Wyświetlanie 1-5 z 5
Tytuł:
Morfologiczne skutki ulewy z 31 lipca 2010 r. w Czarnej Górze (Podhale)
Morphological effects of downpour of July 31, 2010 in Czarna Góra (Podhale)
Autorzy:
Hełdak, D.
Lizak, P.
Powiązania:
https://bibliotekanauki.pl/articles/2075141.pdf
Data publikacji:
2014
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
downpour
Podhale
mapping
landslide
debris flow
road cut
ulewa
mapowanie
osuwisko
spływ gruzowo-błotny
drogowe rozcięcie
Opis:
The article presents results of two-year study that included mapping of Czarna Góra (Podhale region, Carpathians), especially in local watercourses and dirt roads after the downpour of July 31, 2010. The field research shows that sudden morphological processes were induced as a result of intense rain (debris flow, which was triggered in a road cut and many shallow and small landslides in local stream valleys). The study presents results of mapping new landforms after the downpour. Because no earlier landforms of similar origin have been found in this area, it can be concluded that the event had a unique character.
Źródło:
Przegląd Geologiczny; 2014, 62, 5; 245--249
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hydrogeologiczne właściwości przestrzeni porowej dewońskich skal węglanowych w Górach Świętokrzyskich
Hydrogeological properties of Devonian carbonate rocks matrix at the Holy Cross Mountains, central Poland
Autorzy:
Rzonca, B.
Powiązania:
https://bibliotekanauki.pl/articles/2074392.pdf
Data publikacji:
2005
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
skała węglanowa
wapień
dolomit
porowatość otwarta
odsączalność
spływ jednostkowy
Góry Świętokrzyskie
dewon
carbonate rocks
limestone
Devonian
matrix
porosity
conductivity
permeability
specific yield
Holy Cross Mountains
Opis:
During research on the hydrogeological properties of Devonian carbonate rocks in the Holy Cross Mountains (Góry Świętokrzyskie) 141 samples of limestone and dolomite rocks were collected from natural out-crops and quarries located within the Southern (Kielecki) region of the Holy Cross Mountains. Using stan-dard laboratory methods open (interconnected) porosities, permeabilities (recalculated as hydraulic conductivity for water) and specific yield coefficients were determined. Open porosities of the limestones and dolomites are very low. Similar results were obtained with hydraulic conductivity testing, with slightly higher values in the dolomites than in the limestones. The specific yield in all cases was zero. Thus, the studied limestones and dolomites are among the least porous, permeable and yielding rocks in Poland. The test sample population is characterised by having open porosities with a log normal distribution and hydraulic conductivities with an irregular (bimodal) distribution resembling a log normal distribution. A slight corelation between the open porosity and the hydraulic conductivity was demonstrated. This may indicate a greater portion of the smallest pores contributing towards the sum total open porosity under test conditions; in natural hydraulic conditions they would be inactive. Their contribution must be quite signifi-cant (the lack of specific yields), but variable (low relation between open porosity and hydraulic conductivity). Discussed are also possible correlations between the studied parameters and the rock matrix structure (classified as either pelite, sparite or crystalline — no correlation was demonstrated), the occurrence of fractures (no correlation) or the sampling locations. Although it was not possible to show variability of parameters within particular tectonic structures, statistically significant differences were observed between structural features regarding the open porosity (but not for hydraulic conductivity).
Źródło:
Przegląd Geologiczny; 2005, 53, 5; 400--409
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ludomir Sawicki – „Osuwisko ziemne w Szymbarku…” – w stulecie badań procesów osuwiskowych w Polskich Karpatach fliszowych
Ludomir Sawicki – "Earth-slide in Szymbark…" – in the centenary of mass movement studies in the Polish Flysch Carpathians
Autorzy:
Gil, E.
Powiązania:
https://bibliotekanauki.pl/articles/2075144.pdf
Data publikacji:
2014
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
earth-slide
mass movement
mud-debris flow
hydrometeorological condition
Polish Flysh Carpathians
osuwisko ziemne
procesy osuwiskowe
spływ gruzowo-błotny
flisz Karpat Polskich
Opis:
In 2013 was the 100th anniversary of the catastrophic landslide on the slopes of Maoelana Mountain (Low Beskid) in the Szklarka valley. In 1913, Ludomir Sawicki (1884-1918), geographer, professor at the Jagiellonian University, conducted a detailed study of the landslide. As a result, the first such detailed study of landslides in Polish literature has been done ("Rozprawy ...." Akademii Umiejêtnooeci, Kraków, 1917). The publication contains a detailed plan of the landslide, with a different types of mass movement and relief forms. The description includes the type of substrate and the causes of mass movement. Today, the research of landslide processes carried out on the Research Station in Szymbark refer to this pioneering work.
Źródło:
Przegląd Geologiczny; 2014, 62, 5; 232--233
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zanieczyszczenie wód spływu powierzchniowego ze skarpy osadnika odpadów poflotacyjnych rud Zn-Pb typu doliny Mississippi w Bolesławiu k. Olkusza
Contaminated water runoff from dam slopes of tailings pond of flotation plant of Zn-Pb Mississippi Valley-type ores at Bolesław near Olkusz
Autorzy:
Bauerek, A.
Łączny, J.M.
Powiązania:
https://bibliotekanauki.pl/articles/2074748.pdf
Data publikacji:
2010
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
spływ powierzchniowy
odpadów poflotacyjnych
metale ciężkie
siarczki
złoża Zn-Pb Mississippi Valley-type (MVT)
rain water runoff
flotation wastes
heavy metals
sulfates
MVT ore deposits
Opis:
The paper presents results of studies on storm-generated surface runoff, a phenomenon belonging to the least known factors responsible for migration of pollutants to water environment. The results of determinations of pH, conductivity as well as content of Ca, Zn, Cd, and Pb are found to be useful as the main indicators of pollution spread by waters running from dam slopes of pond in which tailings from flotation of Zn-Pb ore are disposed. Rain water leaches fine fractions of carbonate-sulfate wastes (represented mainly by dolomite, 73%, and Fe sulfides – marcasite, up to 20%) which leads to change in character of surface runoff water to that of SO4-Ca hydro-chemical type. Among the leached metals significantly important for the environment are Zn, Cd and Pb whose concentrations exceed threshold values for surface and/or groundwater of IV quality class. Acceptable concentrations in waste waters are frequently exceeded by sulfates and incidentally by zinc. Variability of the analyzed concentration indices from the years 2008 and 2009 indicates influence of weather conditions on chemical composition of surface runoff water from slopes of tailings pond of flotation plant of MVT ores.
Źródło:
Przegląd Geologiczny; 2010, 58, 1; 54-59
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zapis typu ruchu osuwiska w rzeźbie terenu i jego obraz na wysokorozdzielczych numerycznych modelach terenu (NMT) na przykładzie wybranych osuwisk ze wschodniej części Beskidu Niskiego (Karpaty zewnętrzne, Polska)
Landslide movement type record in morphology and its visualization on high resolution digital terrain models, exemplified by some landslides in the eastern part of the Low Beskid Mts. (Polish Outer Carpathians)
Autorzy:
Kaczorowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/2075689.pdf
Data publikacji:
2017
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
osuwisko
numeryczny model terenu
DTM
zsuw rotacyjny
zsuw translacyjny
spływ
osuwisko złożone
Beskid Niski
Karpaty zewnętrzne
landslide
digital terrain model (DTM)
rotational slide
translational slide
flow
complex landslide
Low Beskid Mts.
Outer Carpathians
Opis:
Landslides are very common features in the Polish Outer Carpathians. In the classical cartography, landslides are recognized based on characteristic land relief: main and side scarps, toe, minor scarps, transverse ridges, recesses and cracks. Formerly, landslide mapping was carried out in the field, preceded by interpretation of topographic maps and aerial photographs. Nowadays, we use spatial data from airborne laser scanning (ALS). Spatial data reprocessing permits to achieve a high-resolution (pixel 1*1 m or more precise) digital terrain model (DTM). Exploration of land relief in search for landslides has become simpler and more accurate. DTM interpretation allows delimiting the boundaries of landslides and elements of their relief. By analysing groups oflandforms it is possible to determine the type of colluvium movement. In the eastern part of the Low Beskid Mts., four types of landslides predominate: rotational slides, translational slides, flows, and complex movements. Types of landslides are usually very well visible on the DTM. Information about types of mass movements can be useful during modelling further landslide activity and designing instrumental identification works and possibility ofstabilization.
Źródło:
Przegląd Geologiczny; 2017, 65, 1; 44--2
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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