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Z kart historii Oddziału Warszawskiego Polskiego Towarzystwa Geologicznego

Ploch Izabela

Przegląd Geologiczny

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2022

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Vol. 70, nr 4

300--302

EN

Geologists from Warsaw have been active in works of the Polish Geological Society since the very beginning of its existence (the first PGS status was adopted in 1921). Although the Warsaw Branch (WB) of PGS was established only in 1923, organization of the first PGS annual scientific meetings in Kielce in 1921 was entrusted to the Warsaw geologist Jan Czarnocki. Jan Lewiński was elected the first chairman of the Warsaw Branch of PGS in 1923. In the same year, he organized the third PGS annual scientific meeting. However, it was not until the General Assembly in 1930 that the autonomy of the PGS branches was decided. In the pre-war period, members of the WB PGS organized the sixth PGS annual scientific meeting (ASM) in Katowice and the 12th PGS ASM in Sandomierz in 1925. The ASM in Kielce, scheduled for September 1, 1939, did not take place. After the war, in March 1946, the Warsaw Branch of PGS was reactivated and a year later it organized the 20th PGS ASM in the western part of the Holy Cross Mts. In 1952, the jubilee 25th PGS ASM was organized in Warsaw. Two subsequent conventions concerned the geology of north-eastern Poland: the 45th ASM in 1973 and the 64th ASM in 1993. In 2012, the Warsaw Branch organized the second Polish Geological Congress in Warsaw. The 83 ,rd PGSASM was held in the Lublin region in2014, the 84th PGSASM in the Holy Cross Mts in 2015, and the 86th PGS ASM in Łuków in 2018.

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Sto lat Polskiego Towarzystwa Geologicznego (1921– 2021)

Sikora Rafał, Waśkowska Anna, Kowalczewska Oliwia, Krzywiec Piotr, Ploch Izabela

Przegląd Geologiczny

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2022

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Vol. 70, nr 4

247--266

EN

The Polish Geological Society (PGS) was established on April 24, 1921. The seat of the PGS Board is in Kraków, as the Jagiellonian University in Kraków was the most active centre of geological sciences before Poland regained independence in 1918. Forover100years, the main forms of the Society's activity have been annual conferences in various parts of Poland and the publication of the journal Annales Societatis Geologorum Poloniae. There are three main periods in the history of the Society. During the first period, covering the years 1921-1939, the activities of PGS focused on the integration of the geological community and the development of regional branches (Warszawa, Lwów, Borysław and Wilno). During this period, the tradition of annual scientific meetings of PGS in various parts of Poland was established. Additionally, PGS members were instrumental in establishing the Carpatho-Balkan Geological Association and the INQUA. The development of PGS was abruptly stopped in September 1939 by World War II, during which several dozens of Society's members lost their lives. The third period covers the post-war period. The most intense development of the society took place in the 1960s and 1970s, when membership reached almost 1,500 active members, and the attendance at the annual meetings was in the order of hundreds of participants, often including foreign guests. During this period, many regional branches and specialist sections were established. The society's activity was high also during the crisis years of the1980s. After the political changes in 1989-1990, PGS significantly developed international contacts. In the1990s, representatives of the Society were invited to AEGS, EFG and AAPG, which resulted in the organization of numerous international conferences. One of the most important initiatives of the 21st century was the organization of the Polish Geological Congresses in 2008, 2012 and 2016. The most important element of the Society's activities is still the very popular annual PGS Scientific Meetings together with the accompanying field trips and seminars.

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Biostratigraphy and sequence stratigraphy of the Lower Cretaceous in the NW part of the Mid-Polish Trough

Dziadzio Piotr, Ploch Izabela, Smoleń Jolanta

Geological Quarterly

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2021

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Vol. 65, No. 4

s. 237--257

EN

By comparison with the Lower Cretaceous of central and SE Poland, that of NW Poland (the Pomeranian, Szczecin, and Mogilno-Łódź troughs) has scarce biostratigraphic data. But, despite the lack of Lower Cretaceous exposure in the NW Polish Lowlands, borehole data, including borehole-cores and geophysical logs, allow analysis of complete successions. We refine the stratigraphic units using parallel studies of ammonites, microfauna and calcareous nannoplankton collected from the same intervals, and by correlating age-defined intervals with geophysical logs. Ostracod zones F to A are documented by the presence of ostracod assemblages representing the interval between the Upper Tithonian (ostracod zone F) and the lower part of the Upper Berriasian (ostracod zones E to A). The fragmentary and poorly preserved ammonites allowed only for distinguishing the uppermost Middle and Upper Berriasian (Ryazanian), while the informal subdivisions from the central part of the basin could not be identified unequivocally. Nannoplankton recognized in the succession analysed was very rare due to shallow marine facies of the strata. Only one nannoplankton zone was recognized in the lower part of the succession studied: the CC2 Stradneria crenulata Zone (uppermost Middle and Upper Berriasian and lowermost Valanginian). An additional study only on nannoplankton enabled recognition of certain boreal taxa typical of the BC2 zone of the Uppermost Riazanian. Valaginian ammonites occur in core material located closer to the central part of the trough. Some planktonic foraminiferal species indicate the Lower Aptian. Some Upper Cretaceous nannoplankton zones were also recognized: the CC9 Eiffellithus turriseiffeli (Uppermost Albian to Lower Cenomanian) and UC0, UC1-2 and UC3 zones which correspond to the Upper Albian and Lower as well as Middle Cenomanian. The sequence stratigraphic interpretation was based on geophysical logs with the application of gamma-ray, neutron-gamma, spontaneous potential and resistivity logging, as well as caliper logging. These studies allowed recognition and correlation of sedimentary sequences within the part of the sedimentary basin analysed, characterized by a similar cyclic pattern of geological phenomena described using depositional sequences as in the central and SE part of the Polish Basin. Third-order depositional sequences with maximum flooding surfaces were distinguished. Effective correlation of depositional cycles with biostratigraphy and with the global sea level curve was demonstrated for several boundaries, confirming the applicability of this method for the Polish part of the the Central-European Basin. Other boundaries recognized that are not correlatable and shifted relative to Haq’s curve may reflect autogenous factors (e.g., local tectonics) overlapping with the global changes controlled by allogenic processes.

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Rola instytutów badawczych we wsparciu działań adaptacyjnych do zmian klimatu

Granoszewski Wojciech, Kowalczyk Agnieszka, Ploch Izabela, Rubinkiewicz Jacek, Woźnicka Małgorzata, Kępińska-Kasprzak Małgorzata, Limanówka Danuta, Doktor Radosław, Struzik Piotr, Dubel Anna, Skotak Krzysztof, Hajto Małgorzata, Kozyra Jerzy, Pudełko Rafał, Żyłowska Katarzyna, Jędrejek Anna, Łopatka Artur, Jadczyszyn Jan, Nieróbca Anna, Doroszewski Andrzej, Barszczewska Marta

Przegląd Geologiczny

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2020

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Vol. 68, nr 1

25--44

EN

A crucial part of every adaptation planning and disaster risk reduction is estimation of vulnerable areas and risk in the future. Only a well-developed monitoring system could bring valuable information to create possible scenarios to set up adaptation plans. Monitoring systems of meteorological conditions, surface water, groundwater, landslides, seacoast, agricultural drought as well as their standards and methodologies, are crucial for establishing an effective warning system of every country, and thus are the subject of research conducted by national institutes. Therefore, the conditions of this national research (getting trained staff, equipment etc.) is essential to provide reliable information for a national adaptation plan and for economic assessment of climate change impacts. Poland has significant experiences in monitoring systems, data collecting and visualizing, as well as in the development of scenarios and risk maps. Methodologies and capacity building, necessary for their use, along with experiences and lessons, learned to get valuable information for disaster risk reduction, were presented by the authors from the research during the 24th session of the Conference of the Parties to the United Nations Framework Convention on Climate Change (COP 24) in Katowice (December 2018). The presentation contributed to the global adaptation process through experience sharing that is important for the relevant research conducted in the least developed countries.