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    Wyświetlanie 1-4 z 4
    Tytuł:
    Streamflow changes in mesoscale lowland catchment under future climate conditions
    Autorzy:
    Somorowska, U.
    Pietka, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/12002.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    stream flow
    modelling
    flow change
    mesoscale
    lowland catchment
    future
    climate condition
    climate change
    Polska
    Opis:
    The objective of this study was to investigate the performance of streamflow in a lowland mesoscale catchment in Poland under current and future climate conditions. Simulations of hypothetical streamflow in the future climate were facilitated by meteorological data sets from ensemble simulations from all over Europe with the Regional Climate Model CLM. Projections of precipitation and air temperature for the 21st century under the SRES A1B scenario were used as an input to the hydrological model simulating streamflow at the daily time scale. The combination of relatively moderate increase of annual precipitation sum and mean air temperature might cause lower annual discharges. The possible decrease in stream water resources might be a signal of reduced subsurface recharge and land over drying processes.
    Źródło:
    Papers on Global Change; 2012, 19
    2300-8121
    1730-802X
    Pojawia się w:
    Papers on Global Change
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Long-term variability of runoff from a small agricultural catchment of the North Masovian Lowland
    Autorzy:
    Kolasińska, Karolina
    Kierasiński, Bartosz
    Karpińska, Katarzyna
    Szymczak, Tomasz
    Banasik, Kazimierz
    Powiązania:
    https://bibliotekanauki.pl/articles/28411630.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    agricultural watershed
    climate change
    flow decrease
    hydrological characteristics
    land use change
    renewable water resources
    Opis:
    Changes of land use, population and climate cause spatial and temporal changes in renewable water resources. For better understanding of the changes and effective management of water resources, hydrological investigations in river catchments are carried out around the world. A special investigation involves a study of hydrological processes in small site-specific catchments. The aim of the study is to analyse three characteristic river flows of a small lowland river on the basis of field surveys over two multiannual periods and to evaluate the applicability of indirect methods for determining characteristic flows in the catchment. Hydrological studies in the small agricultural catchment of the Mławka River, located in the Mławka Hills mesoregion, a part of the North Mazovian Lowland macro-region, have continued since 1966. The recorded data were used to determine daily flows and selected characteristic flows for multiannual periods of 1966-1990 and 1991-2020. To determine characteristic flows with indirect methods, three regional formulae and isorea methods were used. The study showed a decrease in renewable water resources over the period. In the multiannual periods, the average flow at the gauge station of Mławka River decreased by 15.6%. The outflow coefficient decreased from 0.303 to 0.265. The minimum annual flows also decreased by 29.1% and annual maximum flows showed an average increase by 19.7%. The use of indirect methods to determine the mean flow yielded results that converged with those from the second multiannual period.
    Źródło:
    Journal of Water and Land Development; 2023, 58; 212--219
    1429-7426
    2083-4535
    Pojawia się w:
    Journal of Water and Land Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Aspekt hydrologiczny w modelu EURO-ACCESS [Agroclimatic Change and European Soil Suitability]
    Hydrological aspect in Euro-Access model
    Autorzy:
    Walczak, R T
    Slawinski, C.
    Sobczuk, H.A.
    Glinski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1628415.pdf
    Data publikacji:
    1998
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    gleby
    profile glebowe
    makropory
    spekania
    osiadanie gleb
    wilgotnosc gleby
    zmiany klimatyczne
    intensywnosc opadow
    przeplyw wody
    przeplyw preferencyjny
    splyw powierzchniowy
    projekt EURO-ACCESS
    modele numeryczne
    soil
    soil profile
    macropore
    soil crack
    soil subsidence
    soil moisture
    climate change
    precipitation intensity
    water flow
    preferential flow
    surface flow
    numerical model
    Opis:
    This paper presents the aim and realization procedures of the project EURO- ACCESS (Agroclimatic Change and European Soil Suitability, No. EV5VCT920129, CIPA3510PL923399, CIPDCT930022, CIPDCT925058, financed by EC). The project was coordinated by Dr. Peter Loveland, Soil Survey and Land Research Centre. Crarifield University, Silsoe Campus, Bedford, Great Britain. The project was conducted in 1992-1995 by scientific institutes from 6 countries, including the Institute of Agrophysics, Polish Academy of Sciences in Lublin. This book consists of main information about the whole project and detailed information about, tasks performed by the Institute of Agrophysics, PAS in cooperation with the Institute of Soil Science and Plant Cultivation (IUNG) Puławy as well as with other European institutes. There are presented results of investigations conducted in cooperation with ADAS Land Centre, Gleadthorpe Research Centre, Meden Vale, Mansfield, Great Britain, (Chapt. 2: Modelling of water movement in the soil profile with the preferential flow influence.), Maria Curie-Sklodowska University, Lublin, Poland (Chapter 3: The method of rainfall intensity estimation for runoff prediction), INRA Montpellier, Prance and IUNG Puławy, Poland (Chapter 4: Verification of yield prediction model using soil and climatic data). The basic task of EURO-ACCESSS project was the model and program development for prediction of climate change influence onto potential yield of important crops. The climatic and physiological properties are assumed to be known. In hydrological submodel developed in ADAS, Mansfield, there was Richards one dimensional flow model assumed. In order to include heterogeneity of the soil the submodel of bypass flow was created by IA PAS and included into existing one dimensional flow procedure. The horizontal infiltration submodel is based on Green- Ampt simplified flow model. It plays role of source and/or sink term within the Richards procedure and accounts for the bypass flow of water from the surface to the deeper layers of the soil profile. The model has been verified in the laboratory conditions, on the basis of numerical experiments and in the field condition. Laboratory flow experiment with induced cracks shows the possibility of explanation of bypass flow with developed procedure. Numerical experiment shows ade- quateness of proposed crack and inaeropore description to the field data. The model allows easily estimate macropore parameters from the simple measurements at the soil surface or from the profile cross-section. The calibration of the model on the basis of measured data consisting soil moistures at different depths and precipitation data, soil hydraulic properties and évapotranspiration data, shows better agreement with the bypass flow model included. The main problem was to estimate momentary rain intensity from the daily precipitation data available. This was done using the statistical model of the rain intensity distribution. The momentary rain intensity plays major role in the runoff estimation. On the basis of long term (1982-1993) historical precipitation, climatic and yield data collected in IUNG Puławy, the whole EURO-ACCESS II has been verified. The plant submodel based on EPIC model was modified and suited to European conditions by INRA, Montpellier. The whole verification was conducted on the basis of daily climatic data. The error analysis shows that, during 1985-1990 period when model was calibrated estimated yield error was 22,5%-, for the period 1984 and 1991 1993 where model was verified the yield error was 8.0%. For the whole period of simulation the error was 15.3%.
    Źródło:
    Acta Agrophysica; 1998, 09; 1-72
    1234-4125
    Pojawia się w:
    Acta Agrophysica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Przebieg i charakter zjawisk lodowych na wybranych odcinkach rzek przymorza o wysokim stopniu antropopresji na tle zmian klimatycznych zachodzących w strefie brzegowej Bałtyku
    The course and the character of the ice phenomena in selected sections of Przymorze rivers with a high influence of anthropopressure in relation to the climate changes that occur in the coastal zone of the Baltic sea
    Autorzy:
    Lukaszewicz, J.T.
    Powiązania:
    https://bibliotekanauki.pl/articles/40537.pdf
    Data publikacji:
    2017
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Tematy:
    przymorze
    strefa przybrzezna
    pobrzeze Baltyku
    rzeki
    przeplyw wody
    zjawiska lodowe
    zlodzenia wod
    pokrywa lodowa
    temperatura wody
    temperatura powietrza
    zmiany klimatyczne
    coastal area
    coastal zone
    Baltic coastal zone
    river
    coastal river
    water flow
    ice phenomenon
    ice cover
    air temperature
    water temperature
    climate change
    Źródło:
    Acta Scientiarum Polonorum. Architectura; 2017, 16, 1
    1644-0633
    Pojawia się w:
    Acta Scientiarum Polonorum. Architectura
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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