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    Tytuł:
    Ocena zróżnicowania ekstremalnie wysokich przepływów wybranych rzek polskich
    Estimation of diff erentiation extremely high discharges of selected Polish rivers
    Autorzy:
    Nowicka, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/2084722.pdf
    Data publikacji:
    2009
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Tematy:
    Polska
    rzeki
    ocena
    przeplywy
    wartosci progowe
    Opis:
    The paper presents the results of estimation and comparison of risk of extreme floods on rivers of various hydrological regimes. The hypothesis that extreme events occur with the same frequency in all rivers has been refuted. The borderline between extreme and common floods on 30 rivers from various geographical regions of Poland was defined on the basis of the standardized flow-duration curve for 1971-2006. The analyses resulted in grouping the curves into 6 groups. Four measures of flood magnitude have been proposed. The time distribution of extreme events during the last decades was estimated for the most dynamic rivers.
    Źródło:
    Prace i Studia Geograficzne; 2009, 43; 11-24
    0208-4589
    Pojawia się w:
    Prace i Studia Geograficzne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ naturalnego piętrzenia na ustrój hydrologiczny w systemie rzeczno-jeziornym
    The influence of natural water lifting on the hydrological regime in river-lake system
    Autorzy:
    Nowicka, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/2084874.pdf
    Data publikacji:
    2007
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Tematy:
    systemy rzeczno-jeziorne
    wody powierzchniowe
    pietrzenie wod
    warunki hydrologiczne
    Opis:
    The paper focuses on the problem of natural water lifting in small river-lake systems caused by the different hydrological regime of the recipient (fig. 2B). The problem is shown on the example of Seven Lakes Stream flowing into Charzykowskie Lake (fig. 1, tab. 1, 2). The aim of the research was to investigate the range of the recipient backwater and its influence on the level and slope of water in the lower course of Seven Lakes Stream (fig. 4, 5, 6). The study was supported by statistical analyse of daily water stages measurements made in four water-gauging stations from 01.05.2000 till 31.10.2001. This period was characterised by favourable conditions to rebuilding the water storage after the years of water deficit (fig. 3). The lakes stages were significantly risen which allowed to find the events of backwater influence. Particular attention was paid on defining these Charzykowskie Lake stages which could cause the equalization or rising the water stages of the stream. This was the background to appreciate the number of events with the water lifting in two lakes localised in the lowest course of the investigated river-lake system in the period 1991-2005 (fig. 7). Prediction of backwater occurence in a longer period was developed on the basis of the analyse of the data from IMGW water-gauging station localised on Charzykowskie Lake.
    Źródło:
    Prace i Studia Geograficzne; 2007, 38; 129-145
    0208-4589
    Pojawia się w:
    Prace i Studia Geograficzne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Adaptacja praw Hortona i Schumma do potrzeb modelowania odpływu powierzchniowego metodą geomorfologicznego chwilowego hydrogramu jednostkowego
    Adaptation of the Horton and Schumm laws for modelling the overland flow by the Geomorphologic Instantaneous Unit Hydrograph Method
    Autorzy:
    Nowicka, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/2085503.pdf
    Data publikacji:
    1992
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Opis:
    In the paper the Horton and Schumm laws have been tested in the kontext of their application for spatial description of river basin water run-off. In addition the possibility of the geomorphlogical instantaneous unit hydropraph (GIUH) application for the run-off simulation has been investigated. Special attention has been paid to the interpretation of the laws and their parameters. The problem of the empirical correctness of th laws in the various physiographic conditions has been also studied. The methods of the Horton and Schumm laws parameters evaluation have been compared and some recommendations have been given having in mind the standardization needs. The studies have been based on a 13 basins in the area of the Sudetian and Carpathian mountains. The results have been compared with a recorded 22 flood waves in a 17 gauging stations.
    Źródło:
    Prace i Studia Geograficzne; 1992, 12; 157-175
    0208-4589
    Pojawia się w:
    Prace i Studia Geograficzne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ocena możliwości redukcji wezbrań w Dolince Służewskiej
    Evaluation of potential storage capacity of the catchment of Potok Sluzewski
    Autorzy:
    Nowicka, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/2085064.pdf
    Data publikacji:
    2002
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Opis:
    One of the phenomena related to intensive urbanisation is the human settlement in the flood endangered area as well as increase of flood frequency and magnitude. This coincidence cause rise of the economical loses. As a counter measure usually it would be to build storage reservoirs or increase of storage capacity of the catchment. That problem has been illustrated by a case study on a south east part of Warsaw comprising catchment of a small stream (14 km long)- Potok Służewski. Rainfall water of the urban area is drained by that stream. Storage capacity of the catchment, mainly small ponds, located in the valley bottom, has been for a long time neglected. The intensive summer rainfall has caused flooding of the urban area at the Arbuzowa street. Looking for a solution to increase storage capacity it has been considered use of 12 ponds, located in the middle reach of the stream. These ponds form a natural feature of the landscape. It has been analysed a maximum capacity of the ponds as a possible retention element of the catchment. It has been shown, that existing capacity of the ponds is not sufficient for considerable reduction of the flood wave peak flows. It is recommended to look for additional storage in the catchment especially in the period of foreseen growth of urbanisation.
    Źródło:
    Prace i Studia Geograficzne; 2002, 31; 175-188
    0208-4589
    Pojawia się w:
    Prace i Studia Geograficzne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Flexible magnetic coordination networks sensitive to guest molecules
    Autorzy:
    Heczko, M.
    Nowicka, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/134881.pdf
    Data publikacji:
    2015
    Wydawca:
    Tomasz Mariusz Majka
    Tematy:
    coordination polymer
    molecular magnets
    polycyanometallates
    advanced materials
    Opis:
    Structurally flexible coordination networks that react to different external stimuli with structure deformation, and consequently changes in magnetic properties, are potential candidates for molecular switches and sensors. The design of guest-sensitive molecular magnetic materials based on the specific building blocks: [Ni(cyclam)]2+ (cyclam = 1,4,8,11-tetraazacyclotetradecane) cation and polycyanometallate anions is discussed. The examples of different dimensionality networks and the changes in their structure and magnetic properties in response to sorption of small molecules are presented.
    Źródło:
    Journal of Education and Technical Sciences; 2015, 2, 1; 19-21
    2300-7419
    2392-036X
    Pojawia się w:
    Journal of Education and Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Organizacja zlewni eksperymentalnej w Murzynowie pod Płockiem
    Organization of the experimental basin in Murzynowo near Plock
    Autorzy:
    Nowicka, B.
    Soczynska, U.
    Powiązania:
    https://bibliotekanauki.pl/articles/2085572.pdf
    Data publikacji:
    1992
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Opis:
    In connection with undertaking works on the physically based basin model it appeared indispensable organization of the special research basin. The fundamental task of the basin is collecting the data necessary for calibration as well as for verification of the integral model and its particular processes sub-models. In general the measurement data required for these purposes are not attainable in classic experimental and representative basins. Achievement of them requires organization of the special measurement programme. The experimental basin area is equal to 0,07 km². The stream is the right inflow of the Vistula River, 12 km downstream of Płock. In the paper have been described the basical research tasks of the basin, physiographic characteristics of its area and the measurement programme. In the basin have been selected two typical quasi-homogenous unit areas (in the piny forest and on the fallow area), which were used for the verification of the vertical water circulation model.
    Źródło:
    Prace i Studia Geograficzne; 1992, 12; 81-94
    0208-4589
    Pojawia się w:
    Prace i Studia Geograficzne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ zabudowy miejskiej na warunki odpływu w zlewni Srebrnej
    Influence of urban structures on runoff conditioning in the catchment area of Srebrna river
    Autorzy:
    Nowicka, B.
    Cudna, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/2085077.pdf
    Data publikacji:
    2002
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Opis:
    The nature of changes in conditions of runoff and the related issues depend upon the degree of human impact. The paper presents the influence exerted by a medium sized town on the runoff in a small lowland basin (47.21 sq. km). The selected object of the study is constituted by the uncontrolled catchment area of Srebrna (a right-hand tributary of Mienia river). Its upper part (29.6 sq. km) has a quasi-natural character and is subject to an impact from farming. The course of the hydrological processes in the lower part (17.61 sq. km) is influenced by the town of Mińsk Mazowiecki, of 35,631 inhabitants (in 1999). Given the background of the spatial urban structure of the town, analysis was carried out of the changes in conditions of surface runoff. These changes were expressed through the comparison of runoff coefficients corresponding to the existing land cover with urban structures, and the conditions corresponding to lack of such structures. Independently of this analysis, the transformations of the hydrological structure of the basin were characterised, with special consideration of the natural, transformed, and artificial drainage network. A separate space was devoted to a brief characterisation of the water and sewage economy of the town as of 1999. Besides, an attempt was made of assessing the influence of the town on the runoff of Srebrna with the use of results of synoptic measurements of discharge. This allowed for the setting up of the daily runoff balance for the various hydro-meteorological conditions in the urbanised part of the basin.
    Źródło:
    Prace i Studia Geograficzne; 2002, 31; 189-204
    0208-4589
    Pojawia się w:
    Prace i Studia Geograficzne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Struktura odpływu w zlewni różnicowej Nidy
    The runoff structure in the Nida differential river basin
    Autorzy:
    Nowicka, B.
    Woronko, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/2085242.pdf
    Data publikacji:
    2000
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Opis:
    1. Alimentation of the researched system. In the years 1971-1998, an average 0.698 km³ of water alimented the researched system annually. Of this volume, merely 22 per cent originated by precipitation, while the remaining amount was the inflow from the upper course of the Nida, which therefore had a dominant influence on the regime of the researched section of the river. The temporal distribution of flow coefficient (Parde) did not change between the cross sections closing the system. The temporal distribution of both inflow variables is uneven. With regard to precipitation inflow, the privileged months are June, July and August. In case of river inflow, on the average the largest water volumes aliment the system in the spring. At the same time, the maximum flow values are reached in July and August. The inflow to the river basin is point-like, whereas the precipitation inflow is spatially varied, with the right-bank part of the basin collecting the major part of water. The distribution of precipitation is affected by such factors as the Nida valley. This is particularly well visible in June, July and August (up to 10 per cent difference in precipitation volumes), in the winter months it is an insignificant phenomenon. 2. Runoff conditions in the differential river basin subsystem The differential river basin subsystem is varied in terms of physiogeographic conditions. It is made up of three units: the Wodzisław Hummock, the Pińczów Hummock and the Solec Basin, which bears upon the runoff conditions. This is manifested by differences in the density of the drainage system, ranging from 0.36 km/km² in the Wodzisław Hummock to 0.85 km/km² within the Solec Basin. This picture is disturbed by artificial watercourses, which represent 45 per cent of the entire drainage network. If we compare the runoff conditions in the left-bank and right-bank parts of the river basin, we can observe that in the latter they are markedly worse. Measured at high water stages (in July 1999), the unit runoffs reached the values of merely 1.151 skm/skm² to 2.031 skm². In the left-bank part of the river basin, the unit runoff was definitely higher and more varied. The best runoff conditions were recorded in the gypsum karst of the Solec Basin and at the base of the Pińczów Hummock. Maximum unit runoffs measured in July 1999 reached 15.31 skm². In the years 1971-1998, the average unit runoff from the entire researched subsystem was high and amounted to 5.61 skm². In the wet years, it reached 10.711 skm², while in the dry ones it fell to 3.22 skm². The average runoff coefficient ( 1971-1998) reached 32 per cent. 3. The functioning of the Nida subsystem. The Nida valley constitutes a separate physio-geographic unit. In the early 1970s, it was strongly transformed by man owing to the regulation of the Nida channel, construction of drainage ditches and accompanying hydrotechnical facilities. All this resulted in reduced retention role of the valley in the area of Pińczów. Nonetheless, the valley's retention function was still visible in transforming high water stages. This particularly applied for summer high water stages, whose maximum flows normally diminished along with the river flow. During thaw flows, this was not as obvious, which could be associated with ice phenomena. The transformation period of the maximum flow normally lasted two to three days. In the researched section, the Nida, primarily performs a transit role. In the years 1971-1998, on the average the Nida river channel annually transported 0.546 km³ of water from the upper part of the river basin. The side tributary alimentation from the differential catchment area subsystem represented only eight to nine per cent of this volume. It was primarily water produced by the drainage of the abundant subterranean waters. The waste water discharged to the Nida represented approximately six per cent of the annual average of side tributary alimentation.
    Źródło:
    Prace i Studia Geograficzne; 2000, 27; 43-68
    0208-4589
    Pojawia się w:
    Prace i Studia Geograficzne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Modelowanie odpływu powierzchniowego metodą geomorfologiczną i hydrodynamiczną
    Modelling the overland flow by geomorphologic and hydrodynamic methods
    Autorzy:
    Nowicka, B.
    Soczynska, U.
    Powiązania:
    https://bibliotekanauki.pl/articles/2085567.pdf
    Data publikacji:
    1992
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Opis:
    The paper presents application of the geomorphologic and hydrodynamic models for overland flow simulation in small mountainous basins. For GIUH description has been used two-parameters gamma model. Its parameters were estimated from the IUH characteristics qp (peak flow) and tp (time to peak), which were determined in dependence on basin geomorphology and flow velocity. Determination of flow velocity in function of basin geomorphological characteristics and excess rainfall intensity allowed description of the overland hydrograph with the whole family of GIUHs. Starting from the principle of the kinematic wave equations has been established the dimensionless hydrograph. Having determined the two basical parameters, QM (maximum flow) and t, (concentration time) the dimensionless hydrograph model has been used for overland hydrograph simulation in natural, ungauged basins.
    Źródło:
    Prace i Studia Geograficzne; 1992, 12; 177-186
    0208-4589
    Pojawia się w:
    Prace i Studia Geograficzne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ocena precyzji i dokładności zmodyfikowanej metody oznaczania azotanów i azotynów w mleku
    Evaluation of precision and accuracy of a modified method for determination of nitrates and nitrites in milk
    Ocenka vosproizvodimosti I tochnosti modificirovannogo metoda opredelenija nitratov v moloke
    Autorzy:
    Przybylowski, T.
    Kisza, J.
    Nowicka, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/873005.pdf
    Data publikacji:
    1983
    Wydawca:
    Narodowy Instytut Zdrowia Publicznego. Państwowy Zakład Higieny
    Tematy:
    azotany
    azotyny
    mleko
    oznaczanie
    metody
    precyzja
    dokladnosc
    Źródło:
    Roczniki Państwowego Zakładu Higieny; 1983, 34, 5-6
    0035-7715
    Pojawia się w:
    Roczniki Państwowego Zakładu Higieny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-10 z 10

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