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ISSN 2029-7092 online
ISBN 978-609-457-690-4 CD
ISBN 978-609-457-640-9
 Water Engineering

Rasa Stankevičienė, Mindaugas Stankevičius

The influence of the land drainage on the river runoff in Lielupe river basin district

Conference Information: 9th International Conference on Environmental Engineering, MAY 22-24, 2014 Vilnius, LITHUANIA
Source: ICEE-2014 - International Conference on Environmental Engineering
Book Series: International Conference on Environmental Engineering (ICEE) Selected papers
ISSN: ISSN 2029-7092 online
ISBN: 978-609-457-640-9 / 978-609-457-690-4 CD
Year: 2014
Publisher: Vilnius Gediminas Technical University Press Technika

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The evolution and influence of drainage of too wet lands in the Mūša, Lėvuo, Tatula and Nemunėlis basins located in the Lielupe river basin district (RBD) on the river runoff in the period of 1960–2011 was analyzed. It was determined the wetland areas in the Mūša, Lėvuo and Nemunėlis basins exceed 70% and those of the Tatula basin – even 90% of the total basin area. Before 1961, the drainage areas covered only 4–7% of the territory of the basin and in 2000 these areas covered already 58–80%. Lately, any new drainage systems almost are not developed, so the drainage areas have changed little. Water surplus is most intensively removed during spring floods and summer high waters; therefore, due to draining influence the runoff in rivers varies only during the seasons of the same year.

Keywords:wet land; drainage; river runoff.

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