Preferencje help
Polish version English version Język
Widoczny [Schowaj] Abstrakt
Liczba wyników

Znaleziono wyników: 10

Liczba wyników na stronie
Pierwsza strona wyników Pięć stron wyników wstecz Poprzednia strona wyników Strona / 1 Następna strona wyników Pięć stron wyników wprzód Ostatnia strona wyników

Wyniki wyszukiwania

Wyszukiwano:
w słowach kluczowych:  water quality assessment
help Sortuj według:

help Ogranicz wyniki do:
Pierwsza strona wyników Pięć stron wyników wstecz Poprzednia strona wyników Strona / 1 Następna strona wyników Pięć stron wyników wprzód Ostatnia strona wyników
1
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
Content available

Water quality assessment of the South-Eastern part of Lake Lanao, Philippines

100%
Angagao N. B., Quiao M. L. D., Roa E. C., Prado G. I.
International Letters of Natural Sciences
|
2017
|
tom 63
This paper aimed at underlying some physico-chemical characteristics of the water of Lake Lanao at Poona-bayabao, Lanao Del Sur during the first quarter of 2015, by evaluating a total of eight (8) water quality parameters. Physical parameters were temperature, depth, transparency, and total suspended solids. On the other hand, the chemical parameters were pH, dissolved oxygen, phosphate and nitrate. Three sampling stations were considered in the study. Community’s knowledge, perceptions, and attitudes towards the utilization and condition of the lake were also evaluated through interview. Results showed that all assessed physico-chemical parameters still conformed to the Philippines standards set by Department of Environment and Natural Resources (DENR) for fresh surface water as Class A as for the year 2015. One-way Anova showed no significant difference in the overall average of the physico-chemical characteristics in the three sampling stations of Lake Lanao (p > 0.05). With the results obtained, the Lake can still be a source of water supply that require complete treatment in order to meet National Standards for Drinking Water (NSDW) of the Philippines, within the year of the conduct of the study. For the assessment of community’s knowledge, perceptions, and attitudes, Kruskal-Wallis test showed that the knowledge, perceptions, and attitudes are not significantly different in terms of stations. A more comprehensive and wider range monitoring is recommended for future study about the lake.
2
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
Content available

Causes and side effects of changing water quality in Khassa-Chai river in Kirkuk, Iraq

86%
Qasim A. H.
Przegląd Naukowy. Inżynieria i Kształtowanie Środowiska
|
2021
|
tom 30
|
nr 2[92]
3

Assessment of water pollution by nitrates in the Middle Odra Basin

72%
Kolanek A., Korol R., Stronska M., Szyjkowska U.
Journal of Water and Land Development
|
2007
|
nr 11
4

Application of a multiplex PCR with specific PCR primers for the detection of the genus Paramecium and the Paramecium aurelia complex

72%
Haentzsch M., Bernhard D., Berendonk T. U., Przybos E., Schlegel M.
Acta Protozoologica
|
2011
|
tom 50
|
nr 3
5
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
Content available

Environmental characteristics by eco-sanitary and toxic criteria of the cooling pond of Zaporizhzhya Nuclear Power Plant (Ukraine)

72%
Fedonenko O., Ananieva T., Sharamok T., Marenkov O.
International Letters of Natural Sciences
|
2018
|
tom 70
It has been investigated the ecological status of the cooling pond of Zaporizhzhya Nuclear Power Plant (NPP) on the hydrochemical and toxicological indicators. The ecological water quality by most hydrochemical and hydrophysical indices corresponds to the class II, category 3, and is characterized as "fairly clean". However, according to the BOD5 index, the water quality is "satisfactory" (class III, category 4). By the contents of both nitrogen of nitrates and phosphorus of phosphates the water quality belongs to the class IV, category 6, as "bad, dirty water". The main anthropogenic pollutants are copper, iron, zinc, and fluorides. The ecological characteristics by their concentrations in the water correspond to the class III, and categories 4–5 of quality, which are "poorly and moderately polluted" water. Accumulation of toxic metals in the surface layer of the reservoir bottom sediments depends on their types, the minimal content is found in sandy sediments, and maximal one is in muddy sediments. The possibility of significant secondary pollution of the water environment by toxic metals is small under the hydrophysical and hydrochemical conditions typical for the cooling pond of Zaporizhzhya NPP. According to the calculations, the value of the average chemical index of ecological quality is "2.5", which characterizes the water of the Zaporizhzhya NPP cooling pond as "good" and "clean".
6
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
Content available

Assessment of water quality and nutrient balance of a small lake in urban landscape – case study of Rusałka lake in the Wielkopolskie Lakeland

72%
Janicka E., Kanclerz J., Jany J., Adamska A., Murat-Blazejewska S.
Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation
|
2018
|
tom 50
|
nr 3
7

An assessment of the MTR aquatic plant bioindication system for determining the trophic status of Polish rivers

72%
Szoszkiewicz K., Karolewicz K., Lawniczak A., Dawson F. H.
Polish Journal of Environmental Studies
|
2002
|
tom 11
|
nr 4
Mean Trophic Rank (MTR), a new British biological macrophyte-based method for assessing trophic status of rivers was applied in Poland in 2000-2001. The occurrence and abundance of 86 aquatic plant species was recorded at 48 sites on 19 rivers in the lowland part of Poland. Forty-six of these species are MTR scoring taxa used in the British system, but another 40 species were recorded of which 11 species were selected as potential scoring plants for use in Poland. The revision of MTR scoring plants used in Britain was performed and resulted in the proposed elimination of 24 taxa as scoring species for Poland. The habitat conditions of the selected river sites were assessed and their diversity was observed in terms of eutrophication level. The MTR score was evaluated and its correlation with water trophic level was shown. The environmental preferences of the individual plant species according to water chemistry were estimated to give proposals of the MTR scoring species in Poland and the indicated preference was analogous to the original Species Trophic Rank (STR) score used in the UK. The MTR system was recommended for use in biological monitoring programmes.
8

The use of BMWP-PL index for assessment of water quality in the lowland Liwiec River and its longest tributaries [Central-Eastern Poland]

72%
Korycinska M., Krolak E.
Archiwum Ochrony Środowiska
|
2007
|
tom 33
|
nr 3
9

Ocena stanu sanitarnego wody z popularnych wsrod mieszkancow Lodzi ujec wodnych

58%
Bialasiewicz D., Krolasik J.
Roczniki Państwowego Zakładu Higieny
|
2005
|
tom 56
|
nr 1
97-102
Dokonano analizy mikrobiologicznej wody pobranej z ująć па terenie miasta Łodzi (wody źródlane, studnie głębinowe) pobieranej do celów konsumpcyjnych przez masowo odwiedzających je mieszkańców. Porównano jakość mikrobiologiczną wody bezpośrednio po pobraniu i po jej przechowywaniu w temperaturze 0-4 °С oraz w temperaturze pokojowej.
10

Monitoring and assessing global water quality - the GEMS-Water experience

58%
Robarts R. D., Fraser A. S., Hodgson K. M., Paquette G. M.
International Journal of Ecohydrology and Hydrobiology
|
2002
|
tom 02
|
nr 1-4
Evaluation and assessment of fresh and inland water quality at the regional and global scales is not a simple task. UNEPs GEMS/Water has operated a comprehensive freshwater quality monitoring and assessment programme for over 20 years and is the only such global programme. GEMS/Water operates by inviting national governments to provide water quality data from their water quality monitoring programmes. The data is then compiled into a global database, GLOWDAT, which is a value-added process. GEMS/Water, United Nations agencies and other international organizations use the data to undertake global and regional scale water quality assessments. More than 100 countries participate in the programme that has a database of >1.6 million data entries. Participating countries control, for example, the type of data collected, the location of sampling sites, the frequency of monitoring, the analytical and field methods used and the frequency at which data is transferred to GEMS/Water. In order to make effective water quality assessments, identify emerging water quality issues and environmental ‘hotspots’, the data available must be of good quality, comparable between countries for a specific parameter, be geographically representative for a given region and be up-to-date. The only way for GEMS/Water to ensure that all these characteristics are satisfied in GLOWDAT would be for GEMS/Water to operate its own global water quality-monitoring programme. This is economically unfeasible. However, GEMS/Water has an operational manual, a modular training course and operates a QA/QC programme to help countries with data quality. Some countries have modernized their water quality programme, a complex and comprehensive activity that includes legal and institutional considerations, technical issues, and a strategic program of capacity building. Implementation of such comprehensive programmes in more countries will lead to better quality data for GEMS/Water.
Pierwsza strona wyników Pięć stron wyników wstecz Poprzednia strona wyników Strona / 1 Następna strona wyników Pięć stron wyników wprzód Ostatnia strona wyników
JavaScript jest wyłączony w Twojej przeglądarce internetowej. Włącz go, a następnie odśwież stronę, aby móc w pełni z niej korzystać.