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Wyświetlanie 1-4 z 4
Tytuł:
Evaluation of the soil quality in the vicinity of Inowrocław soda plants
Autorzy:
Wiatrowska, K. M.
Komisarek, J.
Marcinek, J.
Kozłowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/204779.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
heavy metals
soil salinity
dehydrogenases activity
soil quality activity
Opis:
The aims of this study were to assess the quality of soils affected by strongly saline waste products and to analyze the spatial distribution pattern of soil properties influenced by a soda plant. Soil samples were analyzed for electrical conductivity (EC), sodium adsorption ratio (SAR), pH, trace element content and dehydrogenases activity. The research was conducted in the vicinity of the waste ponds of the Ciech Soda Poland S.A. company (Central Poland), where 35 groundwaters, 63 surface (0–20 cm) and 60 subsurface (80–100 cm) samples were collected. Although the waste ponds are currently not used for regular disposal of waste products, a high level of salinity of groundwater and soil, especially in the subsurface layer, is still being observed. The electrical conductivity of soil saturation extract (ECse) values varied between 0.9–15.4 and 1.0–87.2 dS·m-1 for surface and subsurface layer, respectively. Analysis of the spatial distribution of soil salinity reveals a correlation with microrelief and groundwater levels. Maps of the spatial distribution of heavy metals showed that their content in the subsurface layer was a result of chemical migration from the waste ponds, and in the surface layer by other sources (atmospheric deposition). The soil salinity did not influence dehydrogenases activity.
Źródło:
Archives of Environmental Protection; 2018, 44, 3; 58-67
2083-4772
2083-4810
Pojawia się w:
Archives of Environmental Protection
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Specjacja wybranych składników rozpuszczonych w wodach gruntowych układu katenalnego na Pojezierzu Poznańskim
Chemical speciation of selected dissolved components of groundwater in the catena of the Poznań Lakeland
Autorzy:
Kozłowski, M.
Komisarek, J
Wiatrowska, K
Powiązania:
https://bibliotekanauki.pl/articles/1819329.pdf
Data publikacji:
2012
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
wody gruntowe
Pojezierze Poznańskie
specjacja
Opis:
The purpose of this research was to assess speciations of dissolved components of groundwater in a typical for the Poznan Lakeland catena of arable Albeluvisols and Chernozem. The researches were carried out in the cultivated catchment area of the Przybroda Experimental Station located in the north-central part of the Poznan Lakeland (west part of Poland) within the Szamotuly Plain. Every two or four weeks from 04.2005 to 03.2006 the groundwater samples, from six stationary points (wells) were collected. In groundwater samples the concentration of fallowing ions Ca2+, Mg2+, K+, Na+, HCO3-, CO32-, SO2-4, PO43-, and pH, EC were determined. Taking into consideration that dissolved components in groundwater can occur in many chemical forms, the computer programs Visual Mineq was used to assess their speciations. The observed values of groundwater pH were ranged from 6.3 to 8.3, therefore the simulations of speciation at 7.0, and 8.0 pH were done. The results of the researches indicate, that the quantity of dissolved components in groundwater was connected both with soil location in the relief and properties of soil parent materials. The groundwater of soil located higher in a catena were characterized by lower concentrations of the analyzed components, compared with water of lowest elements of the slope. It would seem that the chemistry of groundwater in P4 well should be characterized by concentrations of the analyzed components similar to those observed in P5 and P6 soils. However, studies show that the quantities of these components in groundwater of P4 well were similar to P1-P3. It could be related to water inflow from the higher parts of catena which are neutralized and less aggressive to components contained in the soil. Result obtained from simulation showed that calcium at pH 7.0 occurs mainly as a free ion (Ca2+), whose share ranged from 85% (P5) to 90% (P3). The second form of calcium was a aqua complex CaSO4(aq) (7-13%), and third-CaHCO3- (1-3%). The content of FCa2+, CaSO4(aq) and CaHCO3- significantly decreases when pH increases to the value 8. From geochemical point of view at a thermodynamic equilibrium state there were conditions suitable for precipitation of calcium in the form of calcite and dolomite. In groundwater of the Albeluvisols calcite is precipitated mainly calcite while in Chernozem dolomite. Magnesium also accrued mainly as a free ion Mg2+ (87-92%), aqua complex MgSO4(aq) and MgHCO3- at pH 7. The increase to pH 8caused the precipitation of magnesium in the form of dolomite. In Albeluvisols (P1-P3) groundwater, this form do not exceed 30% of the total amount of magnesium speciation, whereas in the groundwater of Chernozem (P4-P6) the participation of CaMg(CO3)2was much higher. Potassium and sodium, these two metals occurred mainly as a free ion at 7 and 8 pH. At pH 7.0 in the analyzed groundwater from carbonate speciations bicarbonate (HCO3-) occurred most frequently (75%). Aqua complex H2CO3(aq) was a second speciation of carbonates (from 21% to 22%). CaHCO3- and MgHCO3- accounted for about 1% of all carbonate speciations, but in the groundwater of Chernozem the participation of MgHCO3- was greater than CaHCO3-, while in the groundwater of Albeluvisols vice versa. Significant changes in speciations of carbonates occurred when the pH increased to value 8. At this pH, content of HCO3- decreased to about 60% in groundwater of Albeluvisols while in Chernozem to 67%. The share of H2CO3(aq) also decreased to 2%. This decrease of HCO3- and H3CO3 (aq) in the analyzed groundwater was due to the precipitation of calcite and dolomite. In the P1-P4 wells carbonates could be precipitated both in form of calcite and dolomite (predominantly calcite), while in the groundwater of the P5 and P6 wells in the form of dolomite. In the analyzed groundwater a free ion of SO42- was a dominant speciation of sulphates, whose participation increased from 75-80% (pH 7) to 83-91% (pH 8.0) with increasing pH. Other important forms of sulphates MgSO4 (aq) and CaSO4 (aq) but in the P1-P4 were more CaSO4(aq) then CaSO4(aq), while in groundwater of the P5 and P6 vice versa. At 7.0 pH among phosphate spetiations H2PO4- ion dominated (38-43%), followed by HPO42-(from 34% to 36%). Also, a large percentage of MgHPO4 (aq) and CaHPO4(aq) were observed. In groundwater of P1-P4 wells CaHPO4 (aq) dominated over MgHPO4(aq), when in P5 and P6 reverse. The increase of pH to value 8 resulted in the dominance of HPO42- ion. Result from simulation test showed that analysed elements occur mainly as a free ions and aqua-complexes at 7.0 pH. At a higher pH, from thermodynamic point of view, conditions for precipitation of calcium and calcium-magnesium carbonates occurred. Furthermore, quantity of dissolved elements in groundwater and their speciations are connected with soil (well) location in the catena and properties of soil parent material.
Źródło:
Rocznik Ochrona Środowiska; 2012, Tom 14; 607-622
1506-218X
Pojawia się w:
Rocznik Ochrona Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Związki biogenne a proces eutrofizacji wód Jeziora Raczyńskiego
Biogenic compounds and an eutrophication process of Raczyńskie Lake
Autorzy:
Janicka, E.
Kanclerz, J.
Wiatrowska, K.
Makowska, M.
Powiązania:
https://bibliotekanauki.pl/articles/950005.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
jezioro
eutrofizacja
zanieczyszczenie
związki biogenne
rekultywacja
lake
eutrophication
pollution
biogenic compounds
remediation
Opis:
W pracy przedstawiono wyniki badań jakości wody Jeziora Raczyńskiego w okresie od sierpnia 2012 do czerwca 2013 oraz oceniono podatność jeziora na degradację. Analizy laboratoryjne próbek wody obejmowały oznaczenia wskaźników biogennych (form azotu i fosfou). Jezioro Raczyńskie to naturalny i stosunkowo płytki zbiornik, z którego początek bierze rzeka Kamionka. Jezioro jest pierwszym z ośmiu jezior rynny kórnicko-zaniemyskiej. Położony jest on w bezpośrednim sąsiedztwie gruntów ornych oraz lasów, a dodatkowo (ze względu na znakomitą lokalizację) narażony jest na duże obciążenie rekreacyjne. Przeprowadzone badania terenowe oraz analizy laboratoryjne wykazały, podwyższoną zawartością ortofosforanów zarówno w wodach jeziora jak i w ciekach je zasilających. A przeprowadzona ocena podatności zbiornika na degradację pozwoliła zakwalifikować zbiornik do III kategorii co wskazuje, że jezioro Raczyńskie jest zbiornikiem podatnym na degradację.
This paper presents the results of water quality analysis of Raczyńskie Lake in the period between August 2012 and June 2013 with the assessment of reservoir susceptibility to degradation. Water quality was evaluated on the basis of biogenic indicators (various form of nitrogen and phosphorus). Raczyńskie Lake is a natural and rather shallow reservoir, which is a spring of the Kamionka River. This is a first lake from eight ribbon lakes of the Kórnicko-Zaniemyski region, situated in a close vicinity of forest and arable land. Additionally this lake is under strong presser of recreation activity due to its excellent localisation. Research conducted showed increased values of phosphates both in a lake body and in the supplying watercourses. The reservoir was classified to the IIIrd category of susceptibility to degradation indicating that Raczyńskie Lake is vulnerable to a degradation process.
Źródło:
Inżynieria Ekologiczna; 2016, 49; 124-130
2081-139X
2392-0629
Pojawia się w:
Inżynieria Ekologiczna
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Jakość wód cieku Bogdanka
Quality water in Bogdanka stream
Autorzy:
Janicka, E.
Kanclerz, J.
Borowiak, K.
Wiatrowska, K.
Lisiak, M.
Powiązania:
https://bibliotekanauki.pl/articles/400495.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
ciek
zbiorniki
jakość wody
parametry fizykochemiczne
watercourse
reservoirs
water quality
physico-chemical parameters
Opis:
W pracy przedstawiono wyniki badań jakości wody cieku Bogdanka oraz zbiorników przez które przepływa, w okresach wegetacyjnych lat 2011–2012. Próbki do analiz laboratoryjnych pobierane były w siedmiu punktach pomiarowo-kontrolnych i obejmowały oznaczenie wybranych elementów fizykochemicznych tj. O2, BZT5, ChZT, pH, przewodność w 20° C, N-NO3, N-NH4 i PO43-. Analiza otrzymanych wyników wykazała, że jakość wody w górnym biegu Bogdanki była lepsza niż w jej dolnym biegu – poniżej jeziora Rusałka oraz Stawu Sołackiego. Wielkość stężeń niektórych badanych wskaźników fizykochemicznych (ChZT, BZT5 i PO43-) przekraczały wartości graniczne klasy II i dlatego stan cieku określono jako poniżej dobrego.
The paper concerns with water quality of Bogdanka Stream and its reservoirs, which flow trough it, during vegetation period of 2011–2012. The water samples for physico-chemical analysis were collected from seven control points and analyzed for: O2, BOD5, COD, pH, EC, N-NO3, N-NH4 and PO43-. Results obtained showed that water quality in the upper-course of Bogdanka was better than in the lower-course – bellow Rusałka and Staw Sołacki Lakes. Some parameters such as: COD, BOD5 and PO43- exceeded threshold values for second class and classified water as below good.
Źródło:
Inżynieria Ekologiczna; 2017, 18, 1; 202-208
2081-139X
2392-0629
Pojawia się w:
Inżynieria Ekologiczna
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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