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Strategia postępowania z przelewami burzowymi

100%

Dąbrowski W.

2007

tom Nr 6

13-19

Collected requirements for storm overfalls in some EU countries, Japan and the USA. Water- and legal permissions for drops from storm overfalls. Level of monitoring in selected EU countries.

Wpływ założeń eksploatacyjnych na parametry konstrukcyjne przelewów burzowych z dławionym odpływem

80%

Kaźmierczak B. , Kotowski A.

2008

tom Nr 7-8

29-35

Improved storm overflow with high overflow edges, supplied with throttling devices (throttling pipes, pipe fittings systems, gates, hydrodynamic regulators), resulting in sewage damming up in overflow chamber and in channel above the overflow. Benefits: increase of hydraulic efficiency and sewage treatment plant protection, use of the system's channel retention.

Wpływ przelewów burzowych na efektywność oczyszczania ścieków

80%

Sawicki J. M.

2003

tom Nr 7-8

257-259

Distribution of pollution concentration in the area of side overfall. Influence of separator's load on pollution reduction. Computation scheme for a storm overfall. Functioning variant for „internal overfall".

Analiza równań ruchu cieczy w kanałach z bocznymi przelewami

80%

Kotowski A.

2000

tom Nr 3

97-101

Equations analysis for liquid flow in prismatic channels with side overfalls, based on Bernoulli equation differential form and principle of conservation of momentum. Derivation of flow formula - a new form for hydraulic measurement of side overfalls with throttled outlets.

Badanie charakterystyk przepływu bocznych przelewów burzowych z dławionym odpływem

80%

Kotowski A.

2000

tom Nr 2

56-62

Defining physical formulas for flow intensity in side storm drains with throttled outlets, based on dimensional analysis. Finding numerical values for empirical factors in these formulas.

Przewidywanie, obliczanie i pomiar krotności działania przelewów burzowych

70%

Dąbrowski W.

2007

tom Nr 11

19-22

Introductory estimation of the overfalls" working multiplication factor. Szigorin formula. Methods by: Institute for Environmental Protection; Kiper; probabilistic method; Slovakian method. Measurement of the working multiplication factor.

Ocena wielkości ładunków zrzucanych przez przelewy burzowe

60%

Dąbrowski W.

2007

tom Nr 3

22-25

Storm overfalls in general-fluming sewage systems significantly decrease sanitary state and cleanness of rivers, flow-through reservoirs and coastal waters. Presentation of the ways of diminishing pollution charge dropped by the overfalls. Recognising the hazard and its scale.

Ichtiofauna sytrumieni w systemie Neru w mieście Łodzi

51%

Kruk A. , Galicka W. , Tszydel M. , Tybulczyk S. , Pietraszewski D. , Marszał L. , Błońska D. , Cieplucha M. , Uniwersytet Łódzki K. E. i. Z. K.

tom Supplementum

In 2010 in the City of Łódź, Central Poland, electrofishing was carried out at 15 sites in the Dobrzynka, Jasień, Olechówka, Łódka and Jasieniec Streams in the Ner/Odra system. Fourteen fish species were recorded (13 species in the Olechówka and altogether 7 species in the remaining streams), of which six were limnophilic and only two rheophilic. Sunbleak Leucaspius delineatus, gudgeon Gobio gobio and stoneloach Barbatula barbatula constituted 90% of all the fish in samples. Over 100 specimens were caught at each site in the Olechówka Stream, while only 1 -11 specimens were recorded at each of the remaining sites (except one fishless site in the Jasieniec Stream). The fish distribution was determined by water purity strongly connected with the type (combined/separate) of urban sewage system functioning in a given stream basin. The condition of ichthyofauna in 2010 was slightly better than during electrofishing conducted in 2001. The Jasień and Łódka Streams were fishless in 2001 while in 2010 several fish specimens at each site belonging to the total of 3 and 4 species, respectively were recorded. In the Olechówka, in 2010 five new species were caught and the total fish abundance was over 3 times higher than in 2001.