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Tytuł:
Development of the Southern Coastal zone of the Eastern Gulf of Finland (from lebyazhye to the St. Petersburg flood protective dam)
Autorzy:
Suslov, G. A.
Ryabchuk, D. V.
Nesterova, E. N.
Fedorova, E. K.
Powiązania:
https://bibliotekanauki.pl/articles/1204981.pdf
Data publikacji:
2008
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
sand drift
coastal zone dynamics
southern coastal zone of the Gulf of Finland
Opis:
In July–September 2004 and April 2005, the specialists of the Department of Marine and Environmental Geology of All-Russian Geological Institute (VSEGEI) conducted field studies of the coastal zone of the Gulf of Finland from thesouthern alignment of the St. Petersburg Flood Protective Dam to Lebyazhye. The basic purpose of the studies is the analysis of coastal zone dynamics. Along the southern coast of the Gulf of Finland from Lebyazhye to the Dam, three different coastal dynamics zones were identified: (1) flat accumulative shore with aquatic plants, (2) erosion zone and (3) zone of modern sand accumulation. Along-shore sand drift in the eastern direction was also determined. Alongside with routine observations, the comparative analysis of space photography images of the study area, carried out during last 20 years, allowed finding out that as a result of intense eastward sand transfer, as mush as 80 metres of sand accumulative bodies have been eroded since 1982 near the village of Izhora. To the west of a small river, a 230-metres long sand split has been formed since 1982.
Źródło:
Polish Geological Institute Special Papers; 2008, 23; 109-116
1507-9791
Pojawia się w:
Polish Geological Institute Special Papers
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stratigraphy, palynology and organic geochemistry of the Devonian-Mississippian metasedimentary Albergaria-a-Velha Unit (Porto-Tomar shear zone, W Portugal)
Autorzy:
Machado, G.
Francu, E.
Vavrdová, M.
Flores, D.
Fonseca, P. E.
Rocha, F. T.
Pereira, L. C. G.
Gomes, A.
Fonseca, M.
Chaminé, H.
Powiązania:
https://bibliotekanauki.pl/articles/2059150.pdf
Data publikacji:
2011
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Mississippian
Late Devonian
Ossa-Morena Zone
Porto-Tomar shear zone
palynology
organic geochemistry
Opis:
The Albergaria-a-Velha Unit is one of several tectonostratigraphic out-of-sequence units of the metamorphic belt associated with the Porto-Tomar shear zone (Ossa-Morena Zone, W Portugal). It is composed of considerably deformed - very low grade - metasediments, namely shales, siltstones and rare fine sandstones. In this work we present new sedimentological and biostratigraphical data that suggest the Albergaria-a-Velha Unit was deposited from the (?)early Frasnian to the Serpukhovian in a distal marine environment, where turbiditic and basinal sedimentation prevailed. Palynofacies analysis and lithological data point to a gradual increase of terrestrial input, suggesting a prograding system. Detrital framework data is indicative of a stable cratonic sediment source area composed of low grade metamorphic rocks. The timing of the onset of the Porto-Tomar shear zone activity and consequently its influence on the sedimentation of this unit is discussed. Organic petrology and geochemistry data indicate that the Albergaria-a-Velha Unit is within the dry gas window in terms of hydrocarbon generation ranges.
Źródło:
Geological Quarterly; 2011, 55, 2; 139-164
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Alluvial bottom geology inferred as a factor controlling channel flow along the Middle Vistula River, Poland
Autorzy:
Falkowski, T.
Powiązania:
https://bibliotekanauki.pl/articles/2059483.pdf
Data publikacji:
2007
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
alluvial basement
erosion resistant deposits
Middle Vistula River Valley
channel zone
stream zone
Opis:
Within the channel zone of the Middle Vistula River, elevations of the Holocene alluvial basement occur, composed of deposits resistant to erosion. In this paper two kinds of such forms are discussed. Within the Małopolska gorge (an upstream part of the Middle Vistula, near Kępa Gostecka and Zakrzów), the elevations are composed mainly of Upper Cretaceous and Paleogene rocks covered with clayey debris and residual lags. Below this, the elevations are built of Paleogene and Neogene soils as well as of various Pleistocene glacial deposits, and are of ten covered by residual lags. This type of valley stretch occurs in the vicinity of Dęblin. The surface of the erosion-resistant Holocene alluvial basement averages at 5-7 m below the mean water level. It is exposed on the channel bottom during high-water stages, as seen from a residual layer and from the low density of the contemporary channel deposits above them. The morphology of these elevations influences the pattern of the main stream also during mean-water stages. The trend to flood flow concentrations is also seen in the relief of the floodplain.
Źródło:
Geological Quarterly; 2007, 51, 1; 91-102
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Palaeogeographic reconstruction of the North Podlasie region in the Sokółka area during the Late Pleistocene (NE Poland)
Autorzy:
Rychel, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/2058729.pdf
Data publikacji:
2021
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
glacial lobe
periglacial zone
polygenetic relief
Opis:
A new palaeogeographic reconstruction from the end of the Odranian Glaciation to the end of the Weichslian Glaciation (MIS 2) is based on research carried out at the Knyszewicze site, NE Poland, focusing on the dynamics of the Wartanian Glaciation (MIS 6) and showing the lobed nature of this ice sheet. Reconstruction of deglaciation in the research area was supplemented by analysis of postglacial morpholineaments (MMA). Research carried out at the Jałówka site enabled reconstruction of the processes affecting lake processes during the Eemian (MIS 5e) Interglacial and transformation of this area during the Weichselian Glaciation. The results obtained indicated that the study area was not covered by Weichselian ice, the sediments formerly considered as glacial being slope-related and providing evidence of periglacial conditions. A new conceptual model for the evolution of this area is put forward, showing the polygenetic nature of the relief. The glacial landforms developed during the Warta Stadial and transformed during the Eemian Interglacial were further affected by periglacial processes, which significantly remodelled the relief.
Źródło:
Geological Quarterly; 2021, 65, 1; 12
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New palaeomagnetic data from the Palaeozoic carbonates of the Moravo-Silesian Zone (Czech Republic): evidence for a timing and origin of the late Variscan remagnetization
Autorzy:
Grabowski, J.
Bábek, O.
Nawrocki, J.
Tomek, Č.
Powiązania:
https://bibliotekanauki.pl/articles/2059093.pdf
Data publikacji:
2008
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Czech Republic
Moravo-Silesian Zone
palaeomagnetism
remagnetization
Opis:
Palaeomagnetic studies were carried out in the Devonian–Early Carboniferous carbonates of the Moravo-Silesian Zone — MSZ (Czech Republic) in order to evaluate the timing and origin of late Variscan magnetic over printing. Sampling localities were spread out along the strike of the MSZ from the SW to NE. Previously published thermal maturity data have demonstrated a significant gradient from SW (burial temperatures 150–200gradeC) to NE of the region (250–300gradeC). A late Variscan remagnetization direction (component A), carried by magnetite, was identified in 6 localities. Three phases of the remagnetization in the MSZ might be distinguished which might be assigned to Early to Late Carboniferous, Late Carboniferous and Early Permian. They are coeval with remagnetization events distinguished in Ardennes. A correlation exists between thermal indices and un blocking temperature spectra of component A. Thermal activation nomograms show that component A might be either a thermoviscous or thermochemical remanent magnetization acquired due to a thermal event (deep burial) of 1–10 My duration and stabilized during subsequent uplift. A more ancient component B, identified in the SW part, previously interpreted as primary, is shown to be a synfolding remagnetisation. Itindicates 70grade clockwise rotations before the acquis tion of the component A .
Źródło:
Geological Quarterly; 2008, 52, 4; 321-321
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Relationship between morphology and glaciomarginal deposition in the fore land area of the Opava Mountains (S Poland)
Autorzy:
Salamon, T.
Powiązania:
https://bibliotekanauki.pl/articles/2060220.pdf
Data publikacji:
2008
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Polska
Pleistocene
sedimentology
mountain foreland
glaciomarginal zone
Opis:
The glaciomarginal zone in front of the Opava Mountains (Eastern Sudetes) shows complex relief. This relief resulted during the Pleistocene in glaciomarginal sedimentation that differed from sedimentation in lowlands. Sedimentological analysis was carried out on deposits of the Odranian Glaciation, when the Scandinavian ice sheet reached its maximum extent in the Eastern Sudetes fore land. Three sites in the foreland of the Opava Mountains, situated in the upper reaches of the Troja River valley, were examined. It appears that the sedimentation was controlled primarily by the relief of the substratum, and changed with the position of the ice front. Glaciomarginal fans of different size formed in the Troja River valley, which was parallel to the ice sheet front. They passed distally into the valley outwash plain, the formation of which was also influenced by mountain rivers, the role of which though changed with time. Occasionally, water flowed from ice-dammed lakes in neighbour ing valleys into the Troja River valley.
Źródło:
Geological Quarterly; 2008, 52, 2; 143-143
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The role of the day by day beach monitoring in shore transformation
Autorzy:
Wodzinowski, T.
Powiązania:
https://bibliotekanauki.pl/articles/1187368.pdf
Data publikacji:
2004
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
orthogonal photograms
shore zone
Polish Baltic Sea coast
Opis:
The new method of a detailed morphodynamic registration of sandy beaches has been presented. The digital oriented photograms have been taken from a stabilised point at least once a day. Occasionally also more often, for example every hour during a storm cycle. The analyses of the photograms are performed in digital mode using special computer software. This digital beach monitoring of the Polish Baltic coast was initiated in summer 2002. The test fields in Polanka Redłowska within Gdynia and Chłapowo near Władysławowo were selected. The beach areas of the length of about 200 m along the shore were registered there. Selected examples of short-term changes of the beach relief were presented. A range of spatiotemporal transformations related to different periods (hours, days, months etc.) was demonstrated.
Źródło:
Polish Geological Institute Special Papers; 2004, 11; 77-82
1507-9791
Pojawia się w:
Polish Geological Institute Special Papers
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A reappraisal of K-Ar and new U-Pb age data for felsic rocks in the vicinity of the Kraków-Lubliniec Fault Zone (southern Poland)
Autorzy:
Jarmołowicz-Szulc, Katarzyna
Powiązania:
https://bibliotekanauki.pl/articles/2060264.pdf
Data publikacji:
2020
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
magmatic rocks
zircon
geochronology
Kraków-Lubliniec Fault Zone
Opis:
New U-Pb zircon SHRIMP determinations from magmatic silicic rocks adjacent to the NE part of the Upper Silesia Coal Basin (USB) are provided and compared with earlier data obtained by K-Ar dating. The zircon samples studied came from the same boreholes and depth intervals previously sampled for K-Ar datings. Recalculations of the earlier K-Ar values for biotites yielded isochron ages in the range of 297-309 Ma. The zircon U-Pb SHRIMP values gave more precise ages between 300.1 ±1.2 Ma and 292.6 ±1.3 Ma (1б) consistent with U-Pb and Re-Os determinations. In two cases, the recalculated results of K-Ar dates were nearly identical with those obtained from the SHRIMP isotopic analyses. In this context, the granitoids and porphyries of the USB area, once assigned to the Carboniferous-Permian based on the older K-Ar studies, actually are of the same age as other felsic igneous rocks from the vicinity of the Kraków-Lubliniec Fault Zone, with a higher dating precision, however. The new data underline the importance of Late Carboniferous-Early Permian felsic magmatism at the SW margin of the Trans-European Suture Zone in southern Poland. In the zircon populations dated, besides the dominant Late Paleozoic ages, there are some inherited zircon cores, likely remnant detrital grains from a sediment component in the source rocks, that reveal much older ages which range from ~2051 to 569 Ma.
Źródło:
Geological Quarterly; 2020, 64, 3; 754--765
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geomicrobiology of Acid Mine Drainage in the weathering zone of pyrite-bearing schists in the Rudawy Janowickie Mountains (Poland)
Autorzy:
Borkowski, A.
Parafiniuk, J.
Wolicka, D.
Kowalczyk, P.
Powiązania:
https://bibliotekanauki.pl/articles/2060320.pdf
Data publikacji:
2013
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Acid Mine Drainage
microbial communities
pyrite
weathering zone
Opis:
This paper presents the geomicrobiological analysis of acid water reservoirs and Acid Mine Drainage (AMD) developed in the weathering zone of pyrite-bearing schists near the closed-down pyrite mine in Wieściszowice (south-western Poland). The analysis was focused on two reservoirs characterized by different physical and chemical properties (pH, redox potential, content of sulphates and heavy metals). The study is the first thorough report on the geomicrobiological relationships taking place in the AMD setting in Wieściszowice and enables a description of the microbiological processes that significantly influence biogeochemical cycles of sulfur and iron in the analyzed water reservoirs. The reservoir water also harbors numerous big, organized microbial structures in the form of streamers. Samples of these structures were studied in detail using optical and electron microscopy, as well as microbiological cultivation and molecular methods. According to the obtained results, the slime streamers from the Wieściszowice mine are characterized by the co-occurrence of typical chemolithoautotrophic microorganisms oxidizing sulphur and iron together with sulphate reducing bacteria. The presence of these structures probably depends on the occurrence of iron (II) in the surrounding environment.
Źródło:
Geological Quarterly; 2013, 57, 4; 601--612
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Early Eocene age of a sandstone from the Buntmergel Formation (Gresten Klippen Zone, Lower Austria)
Autorzy:
Gasiński, M. A.
Hoeck, V.
Ślączka, A.
Ionescu, C.
Powiązania:
https://bibliotekanauki.pl/articles/2060483.pdf
Data publikacji:
2012
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Gresten Klippen Zone
Eocene
planktonic foraminiferids
Lower Austria
Opis:
The Gresten Klippen Zone is an individual geological unit, mainly outcropping at the northern rim of the Northern Calcareous Alps. It is best exposed between the Enns Valley in the west and the Vienna Forest in the east. It contains a rock sequence ranging from Early Jurassic to Early Cretaceous, including sandstones, various limestones, breccias and radiolarites. The late Early Cretaceous–Paleogene is represented by the Buntmergel Formation. A sandstone block from the latter yields well-preserved planktonic foraminiferids which allow an assignment to the Early Eocene (E-7 Zone). The low density currents which deposited the parallel laminated sandstones originated in the lower shelf-middle slope.
Źródło:
Geological Quarterly; 2012, 56, 4; 845--852
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Palynostratigraphy of the Culm deposits of the Moravian-Silesian zone (Poland) at Toszek Castle Hill
Autorzy:
Trzepierczyńska, A.
Powiązania:
https://bibliotekanauki.pl/articles/2058834.pdf
Data publikacji:
2003
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Moravian–Silesian zone
Culm
flysch
palynostratigraphy
miospores
Serpukhovian
Opis:
The Early Carboniferous age of the flysch succession in the Moravian-Silesian zone has been based principally on lithological correlations with the stratotype goniatite-bearing section. Its uppermost part-the Kyjovice Formation in the region of Toszek (Poland)-has been studied palynologically for the first time. Miospore assemblages of the upper part of the Western European nitidus-carnosus (NC) miospore Zone of the early Serpukhovian have been distinguished. This agrees well with a general stratigraphic range of the Kyjovice Formation within the Go-E1a goniatite zones.
Źródło:
Geological Quarterly; 2003, 47, 4; 373-380
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Biostratigraphic re-evaluation of the lower to middle Miocene succession in the Eastern Carpathians : a case study related to the oil fields of the Diapir Fold Zone, Romania
Autorzy:
Filipescu, Sorin
Tămaş, Dan M.
Bercea, Răzvan-Ionuţ
Tămaş, Alexandra
Bălc, Ramona
Ţabără, Daniel
Bindiu-Haitonic, Raluca
Silye, Lóránd
Auer, Andreea
Krézsek, Csaba
Schléder, Zsolt
Săsăran, Emanoil
Powiązania:
https://bibliotekanauki.pl/articles/2060242.pdf
Data publikacji:
2020
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
biostratigraphy
re-evaluation
Carpathian Bend Zone
Miocene
microfossils
Opis:
Romania has a long history of hydrocarbon production and tens of thousands of boreholes have penetrated Miocene strata. Many well cores or cuttings have been either lost or damaged, but lab reports containing valuable petrographic, paleontological and structural data are still available. Most of the knowledge of the subsurface relies on old descriptions and interpretations used by the oil industry. These data have not been recently updated, while research results from the last decade suggest potential changes in stratigraphy, especially for the lower to middle Miocene succession. In order to update, calibrate, and reduce uncertainties regarding the subsurface stratigraphic record, we have reviewed the lab reports and used equivalent field samples for an updated interpretation of the lower to middle Miocene succession. Core and cutting descriptions from boreholes covering an area of ~10,000 km2 in the Diapir Fold Zone of the Eastern Carpathians have been selected and biostratigraphically re-evaluated based on microfossils and calcareous nannofossils. In many cases, highly uncertain ages were previously interpreted as Oligocene and early Miocene. Our recent data suggest that most of the lower Miocene is either difficult to determine or has been reinterpreted as middle Miocene (e.g., Cornu and Doftana formations). This significant change in ages requires an updated model for the timing of regional structural evolution and may open new exploration opportunities in this highly mature hydrocarbon area. This study demonstrates the need for a new complete and reliable stratigraphic framework for the whole Miocene stratigraphic record of the Eastern Carpathians.
Źródło:
Geological Quarterly; 2020, 64, 3; 781--800
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zmienność mineralizacji kruszcowej w spągowych utworach cechsztynu na granicy strefy utlenionej i redukcyjnej w zachodniej części złoża Polkowice
Variability of ore mineralization in the lowermost Zechstein across the redox interface in the western part of the Polkowice deposit
Autorzy:
Chmielewski, A.
Powiązania:
https://bibliotekanauki.pl/articles/2063047.pdf
Data publikacji:
2011
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
mineralizacja kruszcowa
strefa utleniona
strefa przejściowa
strefa redukcyjna
łupek miedzionośny
cechsztyn
ore mineralization
Rote Fäule
transition zone
reducing zone
Kupferschiefer
Zechstein
Opis:
Przedmiotem niniejszej pracy jest zmienność mineralizacji kruszcowej na granicy strefy utlenionej i redukcyjnej w profilach cechsztyńskiej serii miedzionośnej z archiwalnych otworów wiertniczych, usytuowanych w zachodniej części złoża Polkowice, w najbliższym sąsiedztwie bloku przedsudeckiego. Zidentyfikowano następujące minerały kruszcowe: chalkozyn, kowelin, digenit, tennantyt, bornit, chalkopiryt, kobaltyn, skuterudyt, nikielin, rammelsbergit, piryt, galenę, sfaleryt i markasyt. Określono budowę wewnętrzną skał złożowych, relacje pomiędzy składnikami skał oraz opisano litologię tych utworów. Zmienność mineralizacji kruszcowej w profilach wiertniczych serii złożowej wskazuje na występowanie bogatej mineralizacji miedziowej ponad utworami utlenionymi (głównie w formie rozproszonej) oraz obecność złota w utworach utlenionych (złoto submikroskopowe).
A full-scale investigation into variability of ore mineralization at the contact between oxidized and reduced zone in the copper-bearing Zechstein series was performed. Results of the studies were obtained on the basis of archival boreholes located in the western part of the Polkowice mining area, proximal to the Fore-Sudetic Block. Detailed microscopic observations enabled to identify the following ore minerals: chalcocite, covellite, digenite, tennantite, bornite, chalcopyrite, cobaltite, skutterudite, nickeline, rammelsbergite, pyrite, galena, sphalerite and marcasite. Microscopic observations allowed determining some features of host sediments (textures and structures) and establishing relations between constituents of rocks. Petrographic analysis of thin-sections also allowed describing the lithology of the rocks. The variability of ore mineralization in the boreholes indicates the occurrence of high-grade copper ores (mainly disseminated mineralization) above the oxidized zones, and the presence of submicroscopic gold in oxidized rocks.
Źródło:
Biuletyn Państwowego Instytutu Geologicznego; 2011, 444; 33--53
0867-6143
Pojawia się w:
Biuletyn Państwowego Instytutu Geologicznego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The natural and anthropogenic features of the coastal zone of the eastern Gulf of Finland
Autorzy:
Spiridonov, M. A.
Zhamoida, V. A.
Powiązania:
https://bibliotekanauki.pl/articles/1187363.pdf
Data publikacji:
2004
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
coastal zone
recent processes
geological history
Gulf of Finland
Opis:
The development of the coastal zone of the eastern Gulf of Finland has a long geological history and depends on the several main factors. The primary configuration of the shoreline is connected with tectonic movements, which even at present are displayed in slow uplifting of the northern coast and slow sinking of the southern one. However, the main features of the recent coastal zone were formed during degradation of the last glacial cover and essentially transformed during post-glacial period of different water bodies’ existence. The processes of the modern morpho- and litho-dynamic are very changeable and expressed in the different accumulative and erosion forms of relief. The anthropogenic activity during last centuries results in local reconstruction of the conditions of existence and development of the coastal zone.
Źródło:
Polish Geological Institute Special Papers; 2004, 11; 71-76
1507-9791
Pojawia się w:
Polish Geological Institute Special Papers
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Groundwater potentiality assessment in an arid zone using a statistical approach and multi-criteria evaluation, southwestern Tunisia
Autorzy:
Msaddek, Mohamed Haythem
Souissi, Dhekra
Moumni, Yahya
Chenini, Ismail
Bouaziz, Nacira
Dlala, Mahmoud
Powiązania:
https://bibliotekanauki.pl/articles/2058598.pdf
Data publikacji:
2019
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
groundwater assessment
AHP
multi-criteria evaluation
arid zone
Tunisia
Opis:
The aim of this paper is to assess the groundwater potentiality using statistical multi-criteria evaluation and AHP (analytic hierarchy process) as an additional method to the hydrogeological research in order to create a map that represents the groundwater potentiality. The extraction of this map is based on the study of multi-criteria input data, such as lineaments, land use, lithology, drainage, slope, soil, rainfall and geomorphology. Weights were assigned using the AHP method to all these multi-influencing factors according to their influence on groundwater potential. Sensitivity analysis was calculated to validate the AHP weights result. The presented methodology has been applied to the Bouhedma region in southwestern Tunisia, located in an arid climate. This technique revealed that very good, good, moderate and poor groundwater potential zones are spread over 382 km2 (26.9%), 437 km2 (30.7%), 552 km2 (38.8%) and 51 km2 (3.6%), respectively. Furthermore, the effect of each influencing factor on groundwater capacity was computed. The results provide significant information and found to be helpful in better planning and management of groundwater resources.
Źródło:
Geological Quarterly; 2019, 63, 1; 3--15
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 92

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