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Wyświetlanie 1-15 z 44
Tytuł:
Paleogene of the Magura Nappe adjacent to the Pieniny Klippen Belt between Szczawnica and Krościenko (Outer Carpathians, Poland)
Autorzy:
Golonka, J.
Waśkowska, A.
Powiązania:
https://bibliotekanauki.pl/articles/184617.pdf
Data publikacji:
2014
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
Magura Nappe
Krynica zone
peri-Pieniny zone
Paleocene-Eocene
lithostratigraphy
foraminifera
Opis:
The present authors investigated the Paleogene deposits of the internal zone of the Magura Basin known as the Krynica Subunit or Krynica zone in Poland. These deposits crop out in the peri-Pieniny zone, in the area between Szczawnica and Krościenko. The oldest flysch deposits belong to the Paleocene - Lower Eocene Szczawnica Formation. This formation is covered by thin-bedded turbidites of the Eocene Zarzecze Formation locally with intercalations of the thick-bedded sandstones of the Krynica Member and Łęcko-type marls. The youngest rocks in this area belong to the Eocene-Oligocene Magura Formation. The Zarzecze Formation occupies a large part of the Krynica zone of the Magura Nappe border structure. Some deposits previously distinguished as the Szczawnica Formation were transferred to the Zarzecze Formation. The foraminiferal assemblages confirm the Eocene age of these deposits.
Źródło:
Geology, Geophysics and Environment; 2014, 40, 4; 359-376
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Department of Hydrogeology and Engineering Geology
Autorzy:
Postawa, A.
Powiązania:
https://bibliotekanauki.pl/articles/184656.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
hydrology
mining
groundwater
salinity zone
Źródło:
Geology, Geophysics and Environment; 2016, 42, 2; 241-248
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Rietveld refinement studies of pyromorphite-vanadinite and mimetite-vanadinite solid solution series
Autorzy:
Solecka, U.
Zelek, S.
Bajda, T.
Powiązania:
https://bibliotekanauki.pl/articles/184341.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
apatite supergroup
oxidation zone
ore deposit
Opis:
Mimetite Pb 5 (PO 4 ) 3 Cl, vanadinite Pb 5 (VO 4 ) 3 Cl and pyromorphite Pb 5 (PO 4 ) 3 Cl belong to the apatite supergroup. They form in oxidation zones of lead ore deposits. These minerals have high thermal stability (Dong et al. 2002) and low solubility (Flis et al. 2011) thus they have many applications. Pyromorphite and mimetite are especially used to immobilize lead in contaminated soils and hazardous industrial wastes (Ma et al. 1993, Kim et al. 2005, Bajda et al. 2007), it is therefore important to know the impact of various factors on their properties. Crystal structure of apatites corresponds to the general formula M 5 (TO 4 ) 3 X, where M are bi - valent cations distributed on two distinct crystallographic sites, TO 4 is a trivalent oxyanion and X is a monovalent anion. The structure and chemistry of apatite allow for numerous substitutions of metal cation and anionic complexes (Hughes & Rakovan 2002, Pan & Fleet 2002). It was found that substitutions cause variations in the unit cell parameters and chemical properties of these minerals (Botto et al. 1997), but there are no articles presenting variations in the whole series. Therefore, these researches present changes of lattice parameters for pyromorphite-vanadinite and mimetite-vanadinite solid solution series. Pyromorphite, mimetite and vanadinite crystallize in hexagonal symmetry (the space group P6 3 /m) (Dong et al. 2002, Pan & Fleet 2002). They form continuous isomorphic series. The aim of study was to examine how lattice parameters of pyromorphite-vanadinite and mimetite-vanadinite solid solutions series change with increasing vanadium content and characterize these pheno mena. Crystallographic studies were conducted on synthetic pyromorphite, mimetite and vanadinite and minerals with intermediate compositions Pb 5 (TO 4 ) 3 Cl, where T = P + V or As + V, of various P/V or As/V ratios. Samples were analyzed by X-Ray diffraction (XRD) using RIGAKU Smartlab X-Ray diffractometer with Cu radiation in a 10° to 110° 2Θ range at a step size of 0.02 2Θ and a rate of 2 s per step. The phase identification was carried out using the X’Rayan computer program and X-ray standard patterns in the form of ICDD files (card 19-0701, 19-0683 and 43-1461). The unit-cell refinement and Rietveld structure refinement were made using the FullProf Suite computer program package (Rodriguez-Carvajal 1993). The Rietveld refinement has shown systematic changes in unit cell parameters of studied samples depending on their chemical composition. Dimensions of unit cell parameters of pyromorphite-vanadinite solid solution series increase linearly with the substitution of vanadate ions in the structure of pyromorphite. Lattice parameter “a” increase in the range of 9.987–10.325 Å, while lattice parameter “c” increase in the range of 7.33–7.343 Å. In case of the mimetite-vanadinite solid solution series, lattice parameter “a” increase (10.251–10.325 Å range), whereas lattice parameter “c” decrease (7.442–7.343 Å range) linearly with the substitution of vanadate ions in the structure of mimetite. This situation indicates the equivalent position of the tetrahedral TO 4 in the structure of lead apatite.
Źródło:
Geology, Geophysics and Environment; 2016, 42, 1; 127-128
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Palynofacies analysis of Ida-4 well, Niger Delta Basin, Nigeria
Autorzy:
Chukwuma-Orji, Jacinta Nkiru
Okosun, Edward Agboneni
Gana, Funmilayo Daramola
Powiązania:
https://bibliotekanauki.pl/articles/184404.pdf
Data publikacji:
2019
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
palynofacies
paleoenvironment
palynostratigraphic zone
Ida-4 well
Opis:
Palynofacies analyses of the strata penetrated by Ida-4 wells were carried out with the aim of studying the stratigraphic sequence penetrated by the well in order to establish palynostratigraphic zones, relative age and the paleoenvironment of deposition. Fifty ditch cutting samples within the interval of 2179–3523 m were analyzed. The acid methods of sample preparation for palynofacies analyses were followed. The result of the analyses yielded low to abundant occurrences of pollen and spores with an abundance of small, medium and large sizes of palynomacerals 1 and 2, few occurrences of palynomacerals 3 and 4. The lithology consists of the alternation of shale and sandstone units with few intercalations of argillaceous sandstone units, indicating that the studied interval belongs to the Agbada Formation. The studied intervals were dated to the middle Miocene to late Miocene, based on the recovered age diagnostic marker species such as Zonocostatites ramonae, Multiareolites formosus, Verrutricolporites rotundiporus, Crassoretitriletes vanraadshoveni and Racemonocolpites hians. Two interval range palynostratigraphic zones: Multiareolites formosus – Zonocostatites ramonae, Verrutricolporites rotundiporus - Crassoretitriletes vanraadshoveni and a taxon range zone: Ainipollinite verus zone were proposed. Paleoenvironmental interpretation was based on the palynofacies association and the lithology which revealed that the stratigraphic interval studied was deposited in the Coastal-deltaic (marginal marine) environments.
Źródło:
Geology, Geophysics and Environment; 2019, 45, 3; 219-230
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Effectiveness of Master Plans: Case Studies of Biologically Active Areas in Suburban Zones
Autorzy:
Błasik, Magdalena
Wang, Tong
Kazak, Jan K.
Powiązania:
https://bibliotekanauki.pl/articles/2105520.pdf
Data publikacji:
2022
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
master plan
spatial planning
effectiveness
suburban zone
Opis:
Sustainable development on a local scale requires well-functioning instruments in the spatial planning system. Any weakness in the planning system may result in forms of spatial development that are socially, environmentally or economically disadvantageous. Therefore, the aim of this study was to examine whether master plans and land development monitoring in the Polish system are effective instruments in shaping sustainable spatial development. The factor analyzed was the share of a biologically active area and four villages located near a regional city were analyzed. Data from master plans, cadaster and orthophoto maps were used in this study. Verification of land use made it possible to evaluate whether the properties meet the provisions of spatial planning documents. In each of the analyzed villages, properties that do not meet the provisions of master plans were identified. In one of the villages, more than half of the properties had a smaller share of biologically active areas than permitted by the local law. The research also analyzed alternative scenarios of the potential impact of the application of permanent vegetation on sealed surfaces. These results showed that using green roofs, for example, can significantly reduce the problem of local laws being broken. The results quantitatively confirm that the provision of master plans in the Polish system are not effective tools in regulating land development.
Źródło:
Geomatics and Environmental Engineering; 2022, 16, 3; 27--40
1898-1135
Pojawia się w:
Geomatics and Environmental Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The magnetic response of hydrothermal alteration in iron-oxide basement complex, NW Nigeria
Autorzy:
Aisabokhae, Joseph Ehimare
Bamidele, Oresajo
Powiązania:
https://bibliotekanauki.pl/articles/184732.pdf
Data publikacji:
2019
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
alteration mapping
remote sensing
shear zone
aeromagnetic data
Opis:
Aeromagnetic data was processed in order to delineate structural trends which may be indicative of potential gold mineral traps in the Watari hill gold prospect located between longitude 5°8''and 5°16'', and latitude 11°24'' and 11°30'' in Garin Hawal district, northwest Nigeria. Landsat-8 OLI data was processed to produce colour composite, band ratio and minimum noise fraction images that mapped the hydrothermal alteration zone in the study area. The multispectral images which were displayed in Red-Green-Blue colours were subsequently pan-sharpened to display a greater image resolution of the area. The application of enhancement algorithms such as an analytic signal to the aeromagnetic data over the alteration zone helped in mapping the mafic metavolcanics, felsic metasediments and intruding granitoid complexes. Further reductions using the second vertical derivative and tilt angle derivative filters aided in delineating fracture/faults and the contact zones of the formations, especially the metasediments-metavolcanic boundary that delineates the shear zone. This study showed that the low-angle geologic structure between the metasediments and metavolcanics where hydrothermal alteration is present is likely to accommodate veins of gold mineralization in the study area.
Źródło:
Geology, Geophysics and Environment; 2019, 45, 2; 145-156
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stratovolcanoes in the Western Cordillera – Polish Scientific Expedition to Peru 2003–2012 reconnaissance research
Autorzy:
Gałaś, A.
Panajew, P.
Cuber, P.
Powiązania:
https://bibliotekanauki.pl/articles/128444.pdf
Data publikacji:
2014
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
reconnaissance
stratovolcanoes
Central Volcanic Zone
Western Cordillera
Peru
Opis:
The Polish Scientific Expedition has been carrying out research in the Colca Canyon and the Valley of the Volcanoes (South Peru) since 2003. The National Park project, covering the mentioned areas, is the main purpose of the research. The extent and genesis of the Quaternary volcanic Andahua group is the leading theme of the investigation. The study area is surrounded with numerous Pliocene and Pleistocene stratovolcanoes: Ampato (6,288 m a.s.l.), Chachani (6,057 m a.s.l.), multi-cone Coropuna (6,425 m a.s.l.) and others. Some of them are still active, such as Misti (5,822 m a.s.l.) or Sabancaya (5,967 m a.s.l.) and pose a real hazard to the local population. In 2003–2012, the participants of the Polish Scientific Expedition climbed several times on volcanic peaks, gaining new experience and comparative samples for study.
Źródło:
Geotourism / Geoturystyka; 2014, 2; 61-68
1731-0830
Pojawia się w:
Geotourism / Geoturystyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The theoretical background for calculation of geometrical parameters of the stable melting zone in single-row coke cupolas
Teoretyczne podstawy obliczania geometrycznych parametrów ustabilizowanej strefy topienia żeliwiaków koksowych jednorzędowych
Autorzy:
Longa, W.
Khatemi, B.
Powiązania:
https://bibliotekanauki.pl/articles/263905.pdf
Data publikacji:
2005
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
żeliwiak
koks
strefa topienia
metal
cupola
coke
melting zone
Opis:
In the present work, the stable melting zone was divided into sequences (systems) of the melting pieces of metal, to derive next some equations used in calculation of the mean volume and surface area of the pieces in individual sequences (for plates of any arbitrary value of their relative dimensions). The analysis of the obtained relationships has proved that in calculation of the geometrical parameters of the melting zone (zone height, mass of melting metal, surface of development, number of the melting pieces of metal) it is possible to use the term of a mean integral volume and mean integral surface area of the pieces of metal in a zone.
W pracy ustabilizowaną strefę topienia podzielono na ciągi (układy) topiących się kawałków metalu, a następnie wyprowadzono równania do obliczenia średniej objętości i powierzchni kawałków w ciągach (dla płyt o dowolnej wartości względnych wymiarów). Analiza uzyskanych zależności wykazała, że obliczając geometryczne parametry strefy topienia (wysokość strefy, masę topiącego się metalu, powierzchnię rozwinięcia, liczbę topiących się kawałków metalu), korzystać można z pojęcia średniej całkowej objętości i średniej całkowej powierzchni kawałków metalu w strefie.
Źródło:
Metallurgy and Foundry Engineering; 2005, 31, 2; 149-165
1230-2325
2300-8377
Pojawia się w:
Metallurgy and Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sulfur and lead isotope geochemical characteristics of Pb-Zn deposits in the Khau Loc zone, northeastern Vietnam, and their significance
Autorzy:
Hung, Khuong The
Tung, Ta Dinh
Binh, Do Quoc
Sang, Pham Nhu
Cuc, Nguyen Thi
Linh, Nguyen Thi Hoang
Tin, Quach Duc
Powiązania:
https://bibliotekanauki.pl/articles/2055848.pdf
Data publikacji:
2021
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
lead-zinc
sulfur isotopes
lead isotopes
Khau Loc zone
northeastern Vietnam
Opis:
In northeastern Vietnam, the Khau Loc zone is considered to have high potential for lead-zinc mineralization. The lead isotope data for 18 galena samples and 18 ones of δ34S isotope data (including galena and pyrite samples) were collected from lead-zinc ore deposits in some areas in the Khau Loc zone, including Phia Dam, Khuoi Man, Ban Lin, Lung Dam, and Ta Pan. These were employed to investigate the sulfur and lead isotope geochemical characteristics of Pb-Zn deposits and their significance in this study. The samples were analyzed using the LA-ICP-MS to show that the Pb isotopic ratios of 206Pb/204Pb, 207Pb/204Pb, and 208Pb/204Pb in the galena samples range from 17.8908 to 18.6012, 15.5794 to 16.1025, 38.4420 to 39.2118, with the average values of 18.296, 15.749, and 38.812, respectively. The pyrite and galena samples had the δ34S isotope, ranging from 9.0 to 15.106. The sulfur isotope systematics implies that most of the lead-zinc ore formations originated from marine sedimentary evaporation deposits and magmatic intrusion-volcanic eruption sources rich in silica. The distribution of lead isotopic ratios had a well-defined cluster for each deposit, indicating the formation of lead-zinc deposits and lower crust and orogen trends. In addition, these findings of lead isotopic ratios and δ34S isotopes proved that the Khau Loc zone is an activated structure with continuous growth in continental crust thickness during the early Proterozoic and Cenozoic periods. Furthermore, the study results also presented the evolution of material sources involved in the formation of lead-zinc ores in the Khau Loc zone.
Źródło:
Geology, Geophysics and Environment; 2021, 47, 3; 143--157
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The paragenesis of silver minerals in the Pb-Zn Stan Terg deposit, Kosovo: an example of precious metal epithermal mineralization
Autorzy:
Kołodziejczyk, J.
Prsek, J.
Asllani, B.
Maliqi, F.
Powiązania:
https://bibliotekanauki.pl/articles/184265.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
Ag-minerals
pyrargyrite
freieslebenite
freibergite
Kosovo
Trepça mineral belt
Vardar zone
Opis:
This study reports silver mineral association found recently in the Stan Terg lead and zinc mine, located in the Vardar zone (in northern Kosovo). The described mineralization comprises pyrargyrite (Ag3SbS3), freieslebenite (AgPbSbS3), high-Ag bearing tetrahedrite and freibergite ((Ag4+2xCu2−2x )[(Cu,Ag)4(Fe, Zn)2]Σ6Sb4S12S1−x with (0 < x < 1)); as well as native compounds (Electrum, composition of those minerals was confirmed by the electron microprobe. The freibergite from native silver is native antimony). The Ag-minerals occur in vuggs and cracks in a massive galena ore and have signs of the latest minerals, which precipitated in the deposit. The chemical of the Stan Terg deposit reveals zonality and contains between 13.91–20.28% of Ag. The high concentration of Ag in solutions is also indicated by relatively high silver content in Au-Ag alloy (electrum), which is between 47.02% and 73.19% of Ag. The Ag association is supposed to be an epithermal equivalent of precious metal mineralization, which could be located in the external part of the Stan Terg hydrothermal system. This association occurs in low temperatures, below 200°C. The Ag-minerals can be a part of epithermal veins from the external part of the Stan Terg hydrothermal system. Similarly to the other known Pb-Zn-Ag hydrothermal systems, the Ag association is related to the formation of the rhodochrosite banded ore and Ag-Au-Sb dominated mineralization.
Źródło:
Geology, Geophysics and Environment; 2016, 42, 1; 19-29
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Increasing the degree of certainty on depleted gas reservoir perforation, using geophysical saturation methods
Autorzy:
Şuţoiu, F.
Foidaş, I.
Avramescu, M.
Powiązania:
https://bibliotekanauki.pl/articles/299076.pdf
Data publikacji:
2015
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
depleted gas reservoir
geophysical investigation
effective thickness zone
high resolution logs
Opis:
New geophysical investigations, capable of highlight the most thin gas saturated layers, offers for depleted gas reservoirs a new chance. Lately Romgaz, used most types of anterior mentioned investigations, in purpose of analyzing the petrophysical properties of thin sands. Thereby, there had been identified within depleted gas reservoirs, many layers saturated with gas, which after perforation had been confirmed. After, these were included in the effective thickness zone, constitute the foundation for gas resources and reserves reevaluation. In this paper there will be presented some concrete examples regarding the usage of these high resolution logs, for a better definition of reservoir properties.
Źródło:
AGH Drilling, Oil, Gas; 2015, 32, 2; 359-368
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pola elektromagnetyczne źródeł dipolowych
Electromagnetic fields of dipole sources
Autorzy:
Miecznik, J.
Powiązania:
https://bibliotekanauki.pl/articles/183543.pdf
Data publikacji:
2011
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
dipol elektryczny
dipol magnetyczny
potencjał skalarny
potecjał wektorowy
strefa bliska
strefa daleka
impedancja
magnetic dipol
electric dipol
scalar potential
vector potential
near zone
far zone
impedance
Opis:
Na podstawie wzorów Maxwella wyprowadzono funkcje, które spełniają równania pola elektrycznego i magnetycznego. W przypadku pól harmonicznie zmiennych w czasie są to tzw. równania falowe. Do różnorodnych zadań geofizycznych opartych na analizie zmiennych w czasie pól elektromagnetycznych wykorzystuje się funkcje potencjalne: potencjał wektorowy i skalarny, które spełniają również równanie falowe. Potencjały wektorowy i skalarny są związane z polem elektrycznym i magnetycznym odpowiednimi równaniami. Aby określić pole elektromagnetyczne w ośrodkach niejednorodnych, należy uwzględnić warunki graniczne, które muszą spełniać wektory pola elektrycznego i magnetycznego, oraz potencjał wektorowy. Podano związki analityczne dla składowych pola elektromagnetycznego w przypadku dipola elektrycznego i magnetycznego w jednorodnej przestrzeni i półprzestrzeni. Określono parametry realnych układów pomiarowych spełniających warunki dipola elektrycznego i magnetycznego. Scharakteryzowano tzw. strefę bliską i daleką pomiarów elektromagnetycznych i podano związki analityczne dla składowych pola w tych strefach. Scharakteryzowano również pole elektromagnetyczne dla źródeł wykorzystywanych w praktyce, a mianowicie dla nieskończenie długiego kabla i nieuziemionej pętli.
Equations satisfied by vectors of electric and magnetic field were derived based on Maxwell's equations. In the case of time-dependent harmonic fields these are so called wave equations. Potential functions, i.e. vector potential and scalar potential, that also satisfy the wave equation were used. Vector and scalar potentials are related with electric and magnetic field by means of a number of equations. To determine the electromagnetic field in a non-homogeneous medium one should define the boundary conditions for vectors of electric and magnetic field and vector potential. The paper presents analytical formulae for EM field components for electric dipole and magnetic dipole in a homogeneous space and half-space. Parameters of real measurement arrays that fulfill conditions of electric dipole and magnetic dipole are given. So called near zone and far zone for EM survey are defined. EM field of infinitely long cable and ungrounded loop is characterized.
Źródło:
Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie; 2011, 37, 1; 37-61
0138-0974
Pojawia się w:
Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelling of Flood Hazard Zone for the Łęg River
Modelowanie strefy zagrożenia powodziowego rzeki Łęg
Autorzy:
Głowienka-Mikrut, E.
Michałowska, K.
Mikrut, S.
Nałęcz, T.
Mroczka, T.
Powiązania:
https://bibliotekanauki.pl/articles/385958.pdf
Data publikacji:
2013
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
GIS
DEM
hydrological model
flood zone
GRASS
NMT
model hydrologiczny
strefa zalewowa
Opis:
This article presents an update of flood hazard map for the 4 km strip of land along the Łęg River below the water reservoir dam in the village of Wilcza Wola, in the district of Kolbuszowa (the Podkarpackie Province), Poland. To produce the map, the hydrological model for a hypothetical flood caused by construction disaster of the water reservoir dam in Wilcza Wola was used. Based on the DTM and cross-sections of known flood wave profiles, flood zone for the examined river section was outlined. Also, the impact of the possible flood on inhabitants of the area concerned, and on selected land surface objects, was examined.
W artykule przedstawiono aktualizację mapy zagrożenia powodziowego na 4-kilometrowym pasie terenu wzdłuż rzeki Łęg, znajdującym się poniżej zapory zbiornika wodnego w miejscowości Wilcza Wola, w powiecie kolbuszowskim (województwo podkarpackie). Do sporządzenia mapy strefy zalewowej wykorzystano model hydrologiczny hipotetycznej powodzi powstałej w wyniku katastrofy budowlanej zapory zbiornika w Wilczej Woli. Na podstawie NMT oraz przekrojów o znanych rzędnych wysokości fali powodziowej przy wykorzystaniu modelu hydrologicznego wyznaczono strefę zalewową na badanym odcinku rzeki. Zbadano także wpływ ewentualnej powodzi na mieszkańców badanego obszaru oraz na wybrane obiekty pokrycia terenu. W tym celu wykonano analizy warstw Bazy Danych Topograficznych.
Źródło:
Geomatics and Environmental Engineering; 2013, 7, 4; 31-41
1898-1135
Pojawia się w:
Geomatics and Environmental Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reservoir properties and fades characterization from core data and well logging: autochthonous Miocene sediments in the Carpathian Foredeep case study
Autorzy:
Shouket, A.
Jarzyna, J.
Powiązania:
https://bibliotekanauki.pl/articles/184328.pdf
Data publikacji:
2014
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
porosity
permeability
Flow Zone Indicator
facies
parasequences
regression and transgression sedimentary systems
Opis:
Laboratory results of total porosity and physical permeability were the basis to calculate Flow Zone Indicator. GR log and porosity log PHI were used for facies identification. Calculations and loggings were performed in the Miocene sandy-shaly sediments in two wells in the Eastern Part of Polish Carpathian Foredeep. FZI increase with the total porosity from the comprehensive interpretation of logs in the regressive set of parasequences was observed. This increase was the result of better reservoir and hydraulic abilities of these parasequences in comparison to transgressive ones. Combining information of laboratory origin with well logging results on the basis of facies and FZI correlation worked also as a kind of data scaling.
Źródło:
Geology, Geophysics and Environment; 2014, 40, 4; 331-342
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analiza i ustalenie parametrów eksploatacyjnych dla odwiertów wód mineralnych w zależności od wielkości wykładnika gazowego
Analysis and establishing production parameters of mineral water wells, depending on gas index
Autorzy:
Duliński, W.
Ropa, C. E.
Powiązania:
https://bibliotekanauki.pl/articles/300289.pdf
Data publikacji:
2008
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
eksploatacja wód mineralnych
optymalizacja
strefa przyodwiertowa
mineral water exploitation
optimization
near-wellbore zone
Opis:
Wody mineralne wydobywane odwiertami charakteryzują się bardzo dużym zróżnicowaniem w zakresie mineralizacji, warunków energetycznych, wydajności wody oraz wykładnika gazowego. Mając na uwadze zagospodarowanie wody mineralnej i wydobywanego wraz z nią dwutlenku węgla w artykule podano przykład eksploatacji z odwiertu o średnim wykładniku gazowym. Przedstawiono obliczenia spadku ciśnienia przepływającego płynu w strefie przyodwiertowej oraz obliczenia spadku ciśnienia w przewodzie wydobywczym przy zmiennych wydajnościach. Ustalono również optymalną średnicę przewodu wydobywczego dla zachowania ciągłej eksploatacji samoczynnej.
Mineral waters produced by wells are diversified in their mineral composition, energy conditions, water yield and gas exponential. Bearing in mind the management of mineral water and the co-produced carbon dioxide, an example of exploitation from a medium gas exponential well was analyzed in the paper. Values of pressure drop of the fluid running in the near-wellbore area, as well as calculations of pressure drop in the string at varying production rates, are calculated in the paper. The optimum diameters of the string for maintaining self-production are defined.
Źródło:
Wiertnictwo, Nafta, Gaz; 2008, 25, 2; 243-249
1507-0042
Pojawia się w:
Wiertnictwo, Nafta, Gaz
Dostawca treści:
Biblioteka Nauki
Artykuł
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