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Application of satellite Sentinel-1 radar images for description of ice phenomena on Debe reservoir

100%

Magnuszewski A.

Acta Scientiarum Polonorum. Formatio Circumiectus

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2018

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tom 17

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nr 4

Winter conditions of low air temperature cause development of ice phenomena at rivers and reservoirs, creating often problems in their exploitation. There is a need to continuously monitor the spatial extension of ice phenomena and their different forms. Local water authority (RZGW Warszawa) prepares for rivers under their administration a daily reports on ice conditions in winter. Ice reports are prepared from visual inspection of the RZGW personnel visiting selected sections of the river course. This is specially problematic in holidays and weekends when usually data from observations are missing. In this study it is tested application of microwave remote sensing data from Sentinel-1 platform to observe the development and recession of the ice cover at the Dębe reservoir in winter 2017. Satellite Sentinel-1 radar images are distributed by the European Space Agency (ESA) on the open access policy. These are two satellites A and B which every 2 days collect images in SAR active remote sensing technique. Dębe reservoir was created in 1963 by closing by the barrage Narew river below its confluence with Bug river. Maximum water head is 7.10 m, and average 6.8 m. Area of the reservoir is 30.3 km2 average discharge of Bug river at Wyszków gauge is 162 m³ ·s⁻¹, and Narew river at Zambski Kościelne gauge 139 m³ ·s⁻¹. Retention time of water in the reservoir is 3–4 days. Comparison of the average water temperature at gauge Zambski Kościelne and Wyszków from the winter half-year of the period 1963–1981 shows the increase of water temperature by 0.5–1 C after the year 1972 when Ostrołęka power station was put in to operation.. This difference in the temperature between Narew and Bug rivers is reflected by the ice conditions at the end of winter season. Sentinel-1 SAR instrument emits electromagnetic wavelength of 6 cm (C band), and are use two polarizations VH and VV. Using SNAP program geometric correction and color composite was created for selected images at the beginning and end of ice cover at Dębe reservoir on Narew river, covering period January 5-March 6, 2017. It has been found that interpretation of the Sentinel-1 images is most problematic if we want to detect boundary between open calm water and new fast ice. The flow of pancake ice on January 5, 2017 had been recorded and the pattern of ice distribution compared to flow lines calculated by the hydrodynamic CCHE2D model. Result of the hydrodynamic modeling shows circulation pattern in the widest part of the reservoir where are also the most favorable conditions for lake type of ice cover formation. End of ice cover is represented by the image of February 26, 2017 which shows the Narew river free from ice due to higher temperature of the water. Relatively simple visual interpretation of the Sentinel-1 VH and VV images can by used in the study of ice phenomena on major rivers and lakes.

2

Sorpcja wielopierscieniowych weglowodorow aromatycznych w osadach dennych pochodzacych z jeziora Zegrzynskiego

84%

Klimaszewska K., Szperlinski Z.

Roczniki Państwowego Zakładu Higieny

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2000

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tom 51

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nr 1

63-70

Przedstawiono wyniki badań nad sorpcją wielopierścieniowych węglowodorów aromatycznych w osadach dennych pochodzących z Jeziora Zegrzyńskiego. Podano równania izoterm adsorpcji fenantrenu, fluorantenu, pirenu, chryzenu, benzofajpirenu w osadach dennych pochodzących z Jeziora Zegrzyńskiego.

3

Growth of wels [Silurus glanis L.] in the Vistula River and the Zegrzynski Reservoir

84%

Horoszewicz L., Backiel T.

Archives of Polish Fisheries

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2003

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tom 11

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nr 1

The age of wels (Silurus glanis L.) and the back calculated length at subsequent ages were estimated using sections of the first pectoral fins. The growth of this species in the Vistula River follows the von Bertallanfy curve. Some fish grew faster in the Zegrzyński Reservoir after its inundation in 1962 than they had before. The two populations exhibited an intermediate growth rate which was between that of wels from the Vag (Slovakia) and Don rivers (Russia).

4

Year-to-year stability of aggregations of Viviparus viviparus [Linnaeus 1758] in littoral zone of lowland, rheophilic reservoir [Central Poland]

84%

Jakubik B.

Polish Journal of Ecology

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2003

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tom 51

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nr 1

The aggregations of V. viviparus were observed in the littoral of Zegrzyński Reservoir (Central Poland), and in the outfalls of its tributaries. They were present over five years of studies (1990-1994), at the same sites. The densities of snails in the aggregations differed among the sites (from over 800 to 500 ind. m⁻² in the reservoir itself), and showed seasonal changes with maximum in summer, and minimum in spring and fall. Swarming of the snails was related to the environmental changes and biology of this species. Tendency to form bigger snail conglomerations in the mouth sections of the rivers results from continuous inflow of organic matter being food supply for these organisms.

5

Activity of bottom animals - comparison of several trap methods

84%

Prus P., Kajak Z.

Acta Hydrobiologica

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1999

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tom 41

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nr Suppl.6

6

Some aspects in nitrogen, carbon and calcium accumulation in molluscs from the Zegrzynski Reservoir ecosystem

84%

Jurkiewicz-Karnkowska E.

Polish Journal of Environmental Studies

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2005

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tom 14

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nr 2

Comparison of N and C concentrations in bodies and shells of molluscs from the Zegrzyński Reservoir as well as an assessment of nitrogen, carbon and calcium accumulation in molluscs living in the reservoir and spatial variability of these values were performed. Interspecific differences of nitrogen and carbon concentrations were found, whereas calcium percentage in shells was similar. The amounts of the investigated elements accumulated in molluscs per 1m2 varied within the reservoir. The total amounts of carbon, nitrogen and calcium stored in molluscs were comparable to those contained in the water column, but much smaller than those contained in surficial sediments.

7

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Long-term changes in the malacofauna of the Zegrzynski Reservoir

67%

Jakubik B., Lewandowski K.

Folia Malacologica

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2012

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tom 20

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nr 1

8

Heavy metals in water, sediments and plants of the Zegrzynski Lake

67%

Wojtkowska M.

Progress in Plant Protection

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2014

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tom 54

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nr 1

In the years 1998–2000 the studies were carried out on water, bottom sediments and plant materials collected from the Zegrzyński Lake. Metals (Zn, Cu, Pb, and Cd) were detected in water, in dissolved fractions (hydrated ions, labile and inert complexes), suspended matter and in bottom sediments. The samples of plant parts (roots, stalks and leaves) and molluscs were also analysed. The obtained results showed the best activity (nearly 90%) in metals’ binding registered in suspended matter. A strong power in metals’ binding was shown by molluscs occurring on the bottom of the water reservoir. Taking into consideration plant part, the highest concentration of Zn and Pb were detected in roots and Cu in green parts. The concentration of Zn and Pb were higher in molluscs than in the sediments and roots. Also the concentration of Cd was higher in molluscs than in the bottom sediments and parts of plant parts.

9

Role of molluscs in accumulation of heavy metals in selected habitats of the Zegrzynski Reservoir

67%

Jurkiewicz-Karnkowska E.

Folia Malacologica

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1999

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tom 07

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nr 4

10

Food and feeding of Viviparus viviparus [L.] [Gastropoda] in dam reservoir and river habitats

67%

Jakubik B.

Polish Journal of Ecology

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2009

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tom 57

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nr 2

321-330

Studies on feeding of V. viviparus were carried out in the years 1995–2005 in dam reservoir (Zegrzyński Reservoir, Central Poland, 60 km long, mean depth ca 3.5 m, maximum depth at the dam up to 9 m, mean retention time from 1 to 15 days) and in the outlets of its tributaries (the Bug, Narew and Rządza rivers), in the Narew River and – in the years 2003–2006 – also in oxbow lakes of the Bug River. Sex ratio and size structure of snails were estimated. Both the content of intestines (detritus, algae, inorganic matter) and the gut fulfilment were analysed. Performed multi-factor analysis showed the effect of habitat, season and snail size (estimated from shell height) on food mass in the gut. Snails from dam reservoir and outlet stretches of three rivers showed the largest food mass in the gut. Intestines of snails from rivers and oxbow lakes were less filled. The largest food volumes were found in spring and summer. Only in viviparids from oxbow lakes the largest food mass in the gut was noted in the autumn. Food mass in the gut was largest in snails of the I (<8 mm) and IV (20–35 mm) size class. Food mass was similar in females and males. Differences were, however, noted in the ingested food mass between fertile and infertile females which was smaller in the former. In all studied sites the snails fed mainly on detritus which constituted from 70 to 90% of food mass ingested of all individuals. Detritus abundance in studied habitats might result in using it by snails as obligatory though low-energetic food source. Detritus contributed more to the food of viviparids from Zegrzyński Reservoir and from oxbow lakes, slightly less – to the food of those from outlet stretches of rivers and from the Narew River. Algae contributed from 5% (Zegrzyński Reservoir) to 15% (the Narew River) to the food mass in snail guts. Apart from diatoms, green algae, dinoflagellates and chrysophytes, also cyanobacteria were found in snail food mass. Green algae (46% of all algae) and diatoms (37% of all algae) constituted the largest part of viviparids algal diet in the reservoir. The share of chrysophytes and dinoflagellates made about 10%. More diatoms (up to 48%) and less green algae (up to 25%) were found in snails from outlet stretches of rivers. Guts of snails from the Narew River contained mainly diatoms (over 50%) and green algae (30%). Gut content of snails from oxbow lakes was dominated by green algae (50% of all algae) and diatoms (35% of all algae). Inorganic matter in a form of mineral particles contributed least to the food of snails in the reservoir and in oxbow lakes (ca 5%) in comparison with snails from other sites. No food of animal origin was found. In general, it can be stated that the amount of food mass ingested and its composition differed rather slightly among studied habitats, seasons and individuals.

11

Zaleznosci pokarmowe u malych ryb na przykladzie przybrzeznej strefy nizinnego zbiornika zaporowego

67%

Terlecki J.

Acta Academiae Agriculturae ac Technicae Olstenensis. Protectio Aquarum et Piscatoria

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1993

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tom 19,Suppl.C

1-58

12

Concentrations of heavy metals in molluscs from the Zegrzynski Reservoir

67%

Jurkiewicz-Karnkowska E., Krolak E.

Folia Malacologica

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1998

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tom 06

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nr 1-4

13

The dependencies between the abundance of Chironomus f. l. plumosus and bream [Abramis brama] net catches in a lowland reservoir [Zegrzynski Reservoir, Central Poland]

67%

Prus P.

Oceanological and Hydrobiological Studies

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2009

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tom 38

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nr 3

15-30

14

Differentiation of phosphorus concentration in selected mollusc species from the Zegrzynski Reservoir [Central Poland]: implications for P accumulation in mollusc communities

67%

Jurkiewicz-Karnkowska E.

Polish Journal of Environmental Studies

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2002

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tom 11

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nr 4

Comparisons of P concentration in soft tissues and shells of molluscs being main components of malacocenoses of the Zegrzy.ski Reservoir as well as analyses of spatial, temporal and size dependent diversity of P concentration in particular mollusc species were performed. Percent content of P in the soft tissues of the investigated species varied significantly when comparing taxonomically distant species, whereas P level in shells was relatively similar. Owing to the interspecies diversity and size dependence of P concentration, the species composition and dominance patterns of malacocenoses as well as size-frequency relations in populations of dominant species are expected to influence the accumulation of P by molluscs in a given habitat.

15

Benthos of various habitats in the Zegrzynski Reservoir [central Poland]

67%

Dusoge K., Lewandowski K. B., Stanczykowska A.

Acta Hydrobiologica

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1999

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tom 41

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nr 2

16

Heavy metal concentrations in molluscs from the Zegrzynski Reservoir and the rivers supplying it

67%

Jurkiewicz-Karnkowska E., Krolak E.

Polskie Archiwum Hydrobiologii

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1996

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tom 43

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nr 3

17

Heavy metals (Cu, Zn, Mn, Fe, Pb and Cd) in some short food chains in the lowland dam reservoir (Zegrzyński Reservoir, Central Poland)

67%

Jurkiewicz-Karnkowska E.

International Journal of Ecohydrology and Hydrobiology

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2001

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tom 01

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nr 4

The present work has been aimed at the analysis of heavy metal (Cu, Zn, Mn, Fe, Pb, Cd) fate in selected food chains comprising molluscs, their potential food, fish feeding on molluscs and predatory fish as well as mollusc faeces, Chironomidae larvae and fish feeding on them. The results generally indicate a decrease of heavy metal concentrations in the successive trophic levels. Taking into account limited bioavailability and relatively low concentrations of heavy metals in mollusc tissues, these animals are not supposed to be a threat to higher trophic levels in the Zegrzyński Reservoir ecosystem as regards metal contamination.

18

Long-term chenges in mollusc communities in shallow biotopes of a lowland reservoir [Zegrzynski Reservoir, Central Poland]

67%

Jurkiewicz-Karnkowska E.

Polish Journal of Ecology

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1998

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tom 46

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nr 1

19

Occurrence of bacteria and coli bacteriophages as potential indicators of fecal pollution of Vistula River and Zegrze Reservoir

67%

Miernik A.

Polish Journal of Environmental Studies

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2004

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tom 13

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nr 1

This paper presents a sanitary state estimation of Zegrze man-made reservoir and Vistula river using typical bacterial factors. The aim of this study was to introduce the possibility of the use of coli bacteriophages as potential indicators of fecal polluted waters. Zegrze Reservoir, as well as the examined Vistula sector, belong to microbiologically contaminated waters. Especially in the summer period they are rich in coli-type and E.coli bacteria. The changes in E.coli numbers were correlated with bacteria phage numbers.

Ograniczanie wyników

Application of satellite Sentinel-1 radar images for description of ice phenomena on Debe reservoir

Sorpcja wielopierscieniowych weglowodorow aromatycznych w osadach dennych pochodzacych z jeziora Zegrzynskiego

Growth of wels [Silurus glanis L.] in the Vistula River and the Zegrzynski Reservoir

Year-to-year stability of aggregations of Viviparus viviparus [Linnaeus 1758] in littoral zone of lowland, rheophilic reservoir [Central Poland]

Activity of bottom animals - comparison of several trap methods

Some aspects in nitrogen, carbon and calcium accumulation in molluscs from the Zegrzynski Reservoir ecosystem

Long-term changes in the malacofauna of the Zegrzynski Reservoir

Heavy metals in water, sediments and plants of the Zegrzynski Lake

Role of molluscs in accumulation of heavy metals in selected habitats of the Zegrzynski Reservoir

Food and feeding of Viviparus viviparus [L.] [Gastropoda] in dam reservoir and river habitats

Zaleznosci pokarmowe u malych ryb na przykladzie przybrzeznej strefy nizinnego zbiornika zaporowego

Concentrations of heavy metals in molluscs from the Zegrzynski Reservoir

The dependencies between the abundance of Chironomus f. l. plumosus and bream [Abramis brama] net catches in a lowland reservoir [Zegrzynski Reservoir, Central Poland]

Differentiation of phosphorus concentration in selected mollusc species from the Zegrzynski Reservoir [Central Poland]: implications for P accumulation in mollusc communities

Benthos of various habitats in the Zegrzynski Reservoir [central Poland]

Heavy metal concentrations in molluscs from the Zegrzynski Reservoir and the rivers supplying it

Heavy metals (Cu, Zn, Mn, Fe, Pb and Cd) in some short food chains in the lowland dam reservoir (Zegrzyński Reservoir, Central Poland)

Long-term chenges in mollusc communities in shallow biotopes of a lowland reservoir [Zegrzynski Reservoir, Central Poland]

Occurrence of bacteria and coli bacteriophages as potential indicators of fecal pollution of Vistula River and Zegrze Reservoir