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Diplomarbeit aus dem Jahr 2007 im Fachbereich Geowissenschaften / Geographie - Phys. Geogr., Geomorphologie, Umweltforschung, Note: 1,3, Christian-Albrechts-Universität Kiel, 60 Quellen im Literaturverzeichnis, Sprache: Deutsch, Abstract: A good condition of the environment is becoming more and more important in the world of today. After the time of the industrialisation and the conscious of the people concerning the state of the environment grew, the process of regarding nature as an economic factor started to influence the national and international politics. Especially the European Union can take credit for developing a very strict and consequent environmental politic system which started in the 1970ies. This had to be adopted by the countries that wanted to join the EU. Although in the communist era there also has been an environmental law in Hungary, lobbyists often weakened the legislation. But through the EU-joining of the East-European former soviet-countries has lead to an increase of the quality of the environment. To control this, the changes in water quality of the river Tisza in the last two decades have been investigated.
The Tisza is the second biggest river after the Danube in Hungary. Until 1919 the river with its total length of 1308 km has been a purely Hungarian river, but after the huge territorial losses due to the Treaty of Trianon the actual length is now 596 km. The river often suffers huge flooding periods, so that the question over the influence of floods taking place have made it necessary to investigate, too. Three Sampling points along the Tisza in Hungary have been included in this analysis; Tiszabecs in the North, Tiszafüred in the middle of Hungary and Tiszasziget in the south of Hungary. The river was so divided in three parts of the upper, middle and lower Tisza. The results of this study have been reported in an internet application, the Minnesota Map Server.
The parameters used for evaluating the river quality were pH-value, oxygen saturation, nitrate, total phosphor, BOD (biological oxygen demand) and lead. Data from the years 1987 to 2004 were available. Additionally, the water level data were compared to the parameters which investigated the influences of high water occasions.
[...]
Hinweis: Dieser Artikel kann nur an eine deutsche Lieferadresse ausgeliefert werden.
The Tisza is the second biggest river after the Danube in Hungary. Until 1919 the river with its total length of 1308 km has been a purely Hungarian river, but after the huge territorial losses due to the Treaty of Trianon the actual length is now 596 km. The river often suffers huge flooding periods, so that the question over the influence of floods taking place have made it necessary to investigate, too. Three Sampling points along the Tisza in Hungary have been included in this analysis; Tiszabecs in the North, Tiszafüred in the middle of Hungary and Tiszasziget in the south of Hungary. The river was so divided in three parts of the upper, middle and lower Tisza. The results of this study have been reported in an internet application, the Minnesota Map Server.
The parameters used for evaluating the river quality were pH-value, oxygen saturation, nitrate, total phosphor, BOD (biological oxygen demand) and lead. Data from the years 1987 to 2004 were available. Additionally, the water level data were compared to the parameters which investigated the influences of high water occasions.
[...]
Hinweis: Dieser Artikel kann nur an eine deutsche Lieferadresse ausgeliefert werden.