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    Wyświetlanie 1-4 z 4
    Tytuł:
    Zastosowanie modelu HBV-light do symulacji odpływu rzeki nizinnej
    Application of the HBV-light model for discharge simulation of lowland river
    Autorzy:
    Somorowska, U.
    Slazek, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/886196.pdf
    Data publikacji:
    2016
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Tematy:
    hydrologia
    procesy hydrologiczne
    modelowanie
    symulacja
    rzeki nizinne
    odplyw rzeczny
    model HBV
    Źródło:
    Scientific Review Engineering and Environmental Sciences; 2016, 25, 4[74]
    1732-9353
    Pojawia się w:
    Scientific Review Engineering and Environmental Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ocena zasilania opadem zlewni nizinnej z wykorzystaniem danych MARS-STAT na przykładzie górnej Narwi
    Evaluation of precipitation recharge of lowland river catchment with MARS-STAT dataset; case study of upper Narew
    Autorzy:
    Piniewski, M.
    Grygoruk, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/886597.pdf
    Data publikacji:
    2009
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Tematy:
    gorna Narew
    baza danych MARS-STAT
    dane meteorologiczne
    hydrologia
    procesy hydrologiczne
    rzeka Narew
    zlewnie nizinne
    opady atmosferyczne
    suma opadow
    Opis:
    In this study the recharge by precipitation of the upper Narew catchment was evaluated. Data from the MARS-STAT database and from the ground net of the rain gages belonging to the Institute of Meteorology and Water Management (IMGW) were acquired for the period 1978–2002. Analysis has indicated average 5% underestimation of the mean annual precipitation estimated with the MARS- -STAT data in comparison to the IMGW data. Evaluation of monthly data brought significantly bigger differences. Presented results indicate need of precise MARS-STAT data verifi cation before this data source could be applied in hydrological modeling.
    Źródło:
    Scientific Review Engineering and Environmental Sciences; 2009, 18, 1[43]
    1732-9353
    Pojawia się w:
    Scientific Review Engineering and Environmental Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wybrane metody pomiarów erozji wodnej nachylonych powierzchni utworów antropogenicznych
    Chosen water erosion measurement methods of the sloped surface layers of anthropogenic formations
    Autorzy:
    Wierzbicki, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/887450.pdf
    Data publikacji:
    2008
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Tematy:
    degradacja gleb
    erozja wodna
    hydroobsiew
    metody pomiarow
    nachylenie stoku
    pomiary hydrologiczne
    procesy erozyjne
    Opis:
    We elaborated three new methods enabling better evaluation of the process of loosening, detaching and transporting soil particles. These methods are as follows: method of the stimulated rain causing water erosion, method of the measurement of the sample microhardness where sample is exposing on the eroding action of the rain from stimulator, evaluation method based on the measurement of the output torque from shaft of the hydroseeder mixer till the moment as we obtain stable hydromixture layer which is covered on the sloped surface of the embankment in dependence of the weight solid concentration.
    Źródło:
    Scientific Review Engineering and Environmental Sciences; 2008, 17, 2[40]
    1732-9353
    Pojawia się w:
    Scientific Review Engineering and Environmental Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Procesy deglacjacji na obszarze SSSI No. 8 i ich uwarunkowania klimatyczne oraz hydrologiczne (Zatoka Admiracji, Wyspa Króla Jerzego, Szetlandy Południowe)
    The Processes of Deglaciation in the Region of SSSI No.8 and thier Climatic and Hydrological Conditions
    Autorzy:
    Battke, Z.
    Marsz, A. A.
    Pudełko, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/260899.pdf
    Data publikacji:
    2001
    Wydawca:
    Stowarzyszenie Klimatologów Polskich
    Tematy:
    procesy deglacjacji
    Zatoka Admiracji
    Wyspa Króla Jerzego
    Szetlandy Południowe
    warunki klimatyczne
    warunki hydrologiczne
    deglacjacja
    processes of deglaciation
    Admiralty Bay
    King George Island
    South Shetland Islands
    climatic conditions
    hydrological conditions
    deglaciation
    Opis:
    This work deals with the processes of deglaciation occurring in the region of SSSI No 8 (Site of Special Scientific Interests No 8) located on the western coast of the in the vicinity of Polish H. Arctowski Station over the period 1979-1999. The location of the SSSI is shown in Fig. 1. The basis of this work is comparison between the category of the surface of the area on the charts from 1979 (Furmańczyk & Marsz, 1980) and on the chart from 1986 (Battke, 1990) and the ground measurements carried out in that area in 1999 (Battke & Pudełko, unpubl.). The categories of area were computed on maps with the help of a planimeter: - glaciated areas, - non-glaciated areas (formed by mineral grounds), - sea areas. The accuracy of total measurements of the area is not lower than about 0.2 km2. The results of cartometric measurements are given in Table 1. Over the period 1979-1999 the area of SSSI decreased by 0.86 km2 as an effect of regression of icy cliffs both of Ecology and Baranowski Glaciers and due to accompanied abrasion process. At the same time the glaciated area within the borders of SSSI decreased by 6.93 km2 and the ice free area increased by 6.08 km2. In this way the mean rate of deglaciation of the 21-year period reaches about 0.33 km2 per year. Over the 21-year period the ice free area within the borders of SSSI incresed three times (from 2.98 km2 to 9.06 km2) which results in various consequences on the physico-geographical and biological prosesses in the region of the Admiralty Bay. In the period 1978-1986 the processes of deglaciation observed north of SSSI in the region of Ecology Glacier were faster than in other regions. Over the period 1986-1999 much faster decrease in the glaciated area was noted in the south of the area, in the region of Baranowski Glacier and Tower Glacier spatial changes are presented in Fig. 2. The analysis of reasons having influence on so advance processes of deglaciation indicated to two factors i.e. climatic and hydrological that are both responsible for the process. Over the period 1978-1998 in region of the Admiralty Bay the increase in air temperature during the Antarctic summer (period December - February; trend +0.022°C/year, statistically not significant) was noted. At the same time the period in which ablation was observed (warmer November and March) was longer. The annual sums of precipitation in the same period indicate to the presence of statistically significant negative trend (-5.7 mm/year, p < 0.005). This resulted in the change in the glacier mass balance at the level 2 m. above sea level: from -115 g/cm2/year in 1979 to -146 g/cm2/year in 1998 (Fig. 3). The evaluated trend of change in mass balance is -1.56 g/cm2/year and is not statistically significant. The period during which sea ice cover is not observed also lasts longer and the ice conditions there became visibly milder. This enables the thermal abrasion to last longer and causes more active regression of ice cliffs. On the shore of the Bransfield Strait, between the Admiralty Bay and the Maxwell Bay entrance a deep cove was formed in the ice coast over the period 1985-1988. This resulted in the increase in inclination of the southern slopes of ice forming the Warszawa Ice cap and forced the volume of ice flowing towards the Bransfield Strait to increase. In this way the volume of ice flowing down the Warszawa Ice Cap eastward, to SSSI No. 8 area, decreased. The explanation of reasons responsible for the ice conditions becoming milder can be found in large scale changes in sea surface temperature of the Southern Ocean of the sea area located West of the Antarctic Peninsula (a strong positive trend SST is marked in the period from October to January; in December +0.058°C/year) and in changes in atmospheric circulation. Both these factors, i.e. the increase in the negative values of the ice masses balance and the decrease in the volume of ice flowing down on the SSSI No. 8 area act in the same direction, causing that the deglaciation process in that region occurs in an exceptionally intensive way. Due to such great intensity of the deglaciation processes occurring on the surface of SSSI in that area, this area can be regarded as a unique object of ecological and environmental research.
    Źródło:
    Problemy Klimatologii Polarnej; 2001, 11; 121-135
    1234-0715
    Pojawia się w:
    Problemy Klimatologii Polarnej
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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