Study underground flow of Great Caucasian rivers within in Azerbaijan

• Autorzy: Imanov F. , Aliyeva I.

Warianty tytułu

PL

Badanie podziemnego przepływu rzek Wielkiego Kaukazu w Azerbejdżanie

• Języki publikacji: EN

Abstrakty

EN

Aim of the study The use of underground water for drinking water supply has increased over the recent years, due to intensive pollution of local and transboundary rivers in the Greater Caucasus region of Azerbaijan. In addition to relatively deep groundwaters, underground flow of rivers is also widely used for the purpose. The purpose of the present study is to analyze the condition of underground flow of rivers in the region, and to determine their territorial distribution patterns. Material and methods The possibilities of using the minimum monthly water discharge have been investigated to determine the annual rates of underground flow to rivers. The study was conducted in 4 options, and in each option the values obtained based on the minimum monthly discharge of underground flow have been compared to values obtained based on hydrographs separation drawn up for typical years. Results and conclusions The underground flow coefficient, which is a quantitative indication of the recharge of groundwaters by infiltration in the Greater Caucasus region, is affected by the physical and geographical factors. As the average altitude increases, the underground flow coefficient also increases. Thus, the average altitude of catchment area is an integral indicator of the physical and geographical factors affecting the recharge of groundwaters by infiltration. The difference between the average multi-year values of the Greater Caucasus rivers baseflow coefficient and the coefficient of recharge by groundwater is about 0.25. In the area under investigation, the coefficient of recharge by groundwater for the studied rivers is on average 63.85% in dry years, 55.2% in medium years, and 59.5% in wet years.

PL

Cel badania Zastosowanie wód podziemnych w celu zaopatrzenia w wodę pitną wzrosło w ostatnich latach z powodu intensywnego zanieczyszczenia lokalnych i transgranicznych rzek w regionie Wielkiego Kaukazu w Azerbejdżanie. Oprócz stosunkowo głębokich wód gruntowych do tego celu szeroko stosuje się również podziemny przepływ rzek. Celem niniejszych badań jest analiza stanu podziemnego przepływu rzek w regionie oraz określenie ich rozmieszczenia terytorialnego. Materiał i metody Zbadano możliwości wykorzystania minimalnego miesięcznego odpływu wody w celu ustalenia rocznych prędkości przepływu podziemnego do rzek. Badanie przeprowadzono w 4 wariantach, a dla każdego wariantu wartości uzyskane na podstawie minimalnego miesięcznego odpływu podziemnego porównano z wartościami uzyskanymi na podstawie rozdziału hydrogramu odpływu sporządzonego dla typowych lat. Wyniki i wnioski Na współczynnik podziemnego przepływu, który jest ilościowym wskaźnikiem zasilania wód gruntowych przez infiltrację w regionie Wielkiego Kaukazu, mają wpływ czynniki fizyczne i geograficzne. Wraz ze wzrostem średniej wysokości rośnie również współczynnik podziemnego przepływu. Zatem średnia wysokość zlewni jest integralnym wskaźnikiem czynników fizycznych i geograficznych wpływających na zasilanie wód gruntowych przez infiltrację. Różnica między średnimi wieloletnimi wartościami współczynnika przepływu podstawowego rzek Wielkiego Kaukazu, a współczynnikiem zasilania wodami gruntowymi wynosi około 0,25. Na badanym obszarze współczynnik zasilania wodami gruntowymi dla badanych rzek wynosi średnio 63,85% w latach suchych, 55,2% w latach średnich i 59,5% w latach mokrych.

• Wydawca: -
• Czasopismo: Acta Scientiarum Polonorum. Formatio Circumiectus
• Rocznik: 2020
• Tom: 19
• Numer: 1
• Opis fizyczny: p.61-72,fig.,ref.

Twórcy

autor

Imanov F.

• Department of Hydrometeorology, Faculty of Geography, Baku State University, Zahid Khalilov street, 23, AZ 1148, Baku, Republic of Azerbaijan

autor

Aliyeva I.

• Department of Hydrometeorology, Faculty of Geography, Baku State University, Zahid Khalilov street, 23, AZ 1148, Baku, Republic of Azerbaijan

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