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Nutrient retention in the Danube's Iron Gate reservoir

Contributors

Teodoru, Christian; McGinnis, Daniel Frank; Wüest, Alfred; Wehrli, Bernhard

Published in

Eos, vol. 87, no. 38, p. 385-400

Publication date

2006

Abstract

There are long-standing concerns about the environmental impacts of large dams such as Iron Gate I, the Danube River's largest hydropower scheme, which stretches for 135 kilometers along the river, covers an area of 104 square kilometers, and contains up to 2.1 cubic kilometers of water [Friedl and Wuest, 2002]. During the onset of Black Sea coastal eutrophication resulting from increased nitrogen (N) and phosphorus (P) loads, the dissolved silica (DSi) concentration at the Danube discharge was reported to have decreased by approximately two thirds [Cociasu et al., 1996]. Coinciding with the completion of Iron Gate I in 1972, researchers pointed to DSi removal in the reservoir to explain the shift in algal dominance in the Black Sea from diatoms to nuisance blue-green algae, which apparently resulted in reduced fish-catches.

UNIGE affiliation entities

Not a UNIGE publication

Citation (ISO format)

TEODORU, Christian et al. Nutrient retention in the Danube’s Iron Gate reservoir. In: Eos, 2006, vol. 87, n° 38, p. 385–400. doi: 10.1029/2006EO380001

Main files (1)

Article (Published version)

Identifiers

Journal ISSN

0096-3941
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349downloads

Technical informations

Creation

06/10/2014 12:26:00

First validation

06/10/2014 12:26:00

Update

14/03/2023 21:49:46

Status update

14/03/2023 21:49:46

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