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Wyszukujesz frazę "MIS" wg kryterium: Temat


Tytuł:
Facies and fauna proxies to reconstruct the MIS 5 and MIS 7 coastal environments in Eastern Tunisia
Autorzy:
Chakroun, A.
Zaghbib-Turki, D.
Tematy:
MIS 5
MIS 7
Tunisia
malacofauna
paleoecology
Persististrombus latus
paleoclimate
Pokaż więcej
Data publikacji:
2017
Powiązania:
https://bibliotekanauki.pl/articles/2060334.pdf  Link otwiera się w nowym oknie
Źródło:
Geological Quarterly; 2017, 61, 1; 186--204
1641-7291
Pojawia się w:
Geological Quarterly
Opis:
This study is based on the analysis of the sedimentology and the fossil assemblages of the Pleistocene deposits in Eastern Tunisia. It aims to establish the different fauna assemblages in order to highlight their paleoenvironments and discuss the importance of the Persististrombus latus distribution especially in the MIS 5e deposits around the Mediterranean Basin. The stratigraphic succession has been divided into two main units. The lower unit is quartz-rich sediment. Its lower marine term revealed well preserved species (Bivalves, Gastropods, Echinoids and Scirripedia) dominated by Acanthocardia, Cerastoderma, Parvicardium, Arca, Donax, Glycymeris, Loripes, Tellina and Cerithium. This fauna is representative of a typical association/biocenosis which may be developed in a sheltered bay, where the hydrodynamism is regularly moderate to low and/or quickly post-mortem buried. The upper unit is carbonated. Its basal term is also rich marine fauna which contains the extant tropical West African species Persististrombus latus. The occurrence of Persististrombus latus in this unit compared to its presence in the whole Mediterranean basin in the Late Pleistocene leads to question its importance in the interpretation of the climate warming during the Late Pleistocene, and to suggest its Atlantic origin.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fluvial response to environmental changes during MIS 4-3: a sedimentary record at the Brześnica site, central-western Poland
Autorzy:
Moskalewicz, Damian
Tylmann, Karol
Woźniak, Piotr Paweł
Kopyść, Natalia
Moska, Piotr
Tematy:
braided river
fluvial deposits
OSL dating
MIS 4
MIS 3
Last Glacial Maximum
Pokaż więcej
Data publikacji:
2020
Powiązania:
https://bibliotekanauki.pl/articles/2060131.pdf  Link otwiera się w nowym oknie
Źródło:
Geological Quarterly; 2020, 64, 4; 915--930
1641-7291
Pojawia się w:
Geological Quarterly
Opis:
Fluvial deposits subjected to this study are exposed at the Brześnica site, in the south-western part of the Wielkopolska region in Poland, which was close to the ice-sheet limit during the Last Glacial Maximum (LGM). Sedimentological analyses, including lithofacies descriptions, palaeocurrent measurements, grain size and rounding analyses and heavy mineral compositions indicate that the fluvial deposits at Brześnica were deposited in braided river environment. The following fluvial sedimentary processes were inferred: (1) shallow, rapid flow alternating with waning flow, (2) infilling of erosional channels with fluvial sediments during flood events, (3) changes from supercritical to subcritical flows, and (4) shallow sheet floods. The results of OSL dating indicated sediment deposition ~65.2 ±1.5 ka, i.e. in MIS 4, that was here characterized by cold environmental conditions and a general shift from meandering to braided fluvial sedimentation style. This finding contrasts with accumulation/erosion phases interpreted previously in this region for that time interval; however, it is consistent with recent studies of fluvial systems functioning during MIS 5-2 and of factors responsible for sedimentation style.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The rank of climatic oscillations during MIS 11c (OHO and YHO) and post-interglacial cooling during MIS 11b and MIS 11a in eastern Poland
Autorzy:
Hrynowiecka, Anna
Żarski, Marcin
Drzewicki, Wojciech
Tematy:
substages of MIS 11
Mazovian interglacial
Holsteinian Interglacial
MIS 12 and MIS 10 glaciation range
palaeoclimate changes
E Poland palaeolakeland
Carbon isotope
Pokaż więcej
Data publikacji:
2019
Powiązania:
https://bibliotekanauki.pl/articles/2058672.pdf  Link otwiera się w nowym oknie
Źródło:
Geological Quarterly; 2019, 63, 2; 375--394
1641-7291
Pojawia się w:
Geological Quarterly
Opis:
Lacustrine sediments representing Marine Isotope Stage 11 (MIS 11) were found in Hermanów (SE Poland) in a present-day closed depression under a thin cover of Weichselian and Holocene deposits (1.4 m). These sediments filled a palaeolake created as a result of melting of a dead-ice block at the end of MIS 12. Geological research has excluded the presence of an ice sheet during MIS 12 in this area. The lobe of the ice sheet of this glaciation was located several kilometres to the west of Hermanów. The palaeolake was part of a larger palaeolakeland in southeastern Poland, formed during MIS 11. The palaeomorphology of this interglacial is evident in the contemporary relief of the area and the outline of the lakes corresponds to the pattern of the closed palaeodepressions. Based on the record of sediments from Hermanów, a new perspective regarding the sub-division of MIS 11 is presented. Two regressive phases are observed in the Holsteinian Interglacial (MIS 11c) - OHO and YHO. The subsequent substages with five cold fluctuations according to the newest stratigraphic standards should be assigned to MIS 11b with a very clear cooling and a slightly warmer MIS 11a. Carbon isotopic composition of organic matter corroborates geological and environmental analysis. The isotopic composition suggests two cooling periods: OHO and MIS 11b. Stable climatic conditions with little temperature fluctuations persisted between the cooling periods.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
IT re-implementation project. A multiple case study analysis
Autorzy:
Wachnik, Bartosz
Tematy:
MIS
re-implementation
IT
project
Pokaż więcej
Data publikacji:
2017
Powiązania:
https://bibliotekanauki.pl/articles/431849.pdf  Link otwiera się w nowym oknie
Źródło:
Informatyka Ekonomiczna; 2017, 1(43); 86-97
1507-3858
Pojawia się w:
Informatyka Ekonomiczna
Opis:
A high number of IT implementation projects still end in failure or only partial success. Some IT projects, however, are terminated already during project completion due to unsatisfactory progress of work or other organisational problems affecting the project. Particularly noteworthy are re-implementation projects, where an MIS is implemented again. The aim of this article is to present a characteristic of a re-implementation-type IT project consisting in an MIS-class system implementation. The author presents the results of his research conducted with the multiple case study method. The conclusions may be interesting both for practitioners and theoreticians of business informatics specialising in IT project completion
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analiza kosztów transakcyjnych w informatycznych przedsięwzięciach wdrożeniowych realizowanych poprzez outsourcing
The analysis of transaction costs in it implementation projects with the use of outsourcing
Autorzy:
Wachnik, Bartosz
Tematy:
theory
transaction costs
MIS
outsourcing
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Data publikacji:
2015
Powiązania:
https://bibliotekanauki.pl/articles/432273.pdf  Link otwiera się w nowym oknie
Źródło:
Informatyka Ekonomiczna; 2015, 1(35); 70-83
1507-3858
Pojawia się w:
Informatyka Ekonomiczna
Opis:
The theory of transaction costs constitutes an important component of the new institutional economy, which, amongst others, explains to a great extent business relations between the suppliers and the clients as part of outsourcing. The aim of this article is to present the results of research concerning the transaction cost theory analysed on the example of IT implementation projects consisting in the implementation of standard ERP, CRM, DMS and BI-class management support systems amongst enterprises based in Poland as part of outsourcing. The article presents both the client’s and the supplier’s perspective. The research results can be interesting for theorists of business informatics and for practitioners implementing IT projects both in enterprises and government agencies with the use of outsourcing.
Dostawca treści:
Biblioteka Nauki
Artykuł

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