Water Resources Management – A Possibility
For Drought Mitigation In Wetlands?
Author(s)
O. Dietrich, H. Koch & S. Schweigert
Abstract
The water balance of many wetlands in the North-East German Lowland is
dominated by water resources management systems with drainage and subirrigation.
These systems are integrated in the water resources management
system of their whole river basin. Scenario investigations show the possibilities
and constraints of different water resources management options within the
wetland and in the basin. For the Spreewald wetland strategies for the mitigation
of negative impacts of climate change are presented as an example.
Keywords: wetlands, water resources management, drainage, sub-irrigation,
water balance model, climate change.
1 Introduction
Most of the wetlands in the North-East German Lowland are fens. After the last
ice age they developed in spite of the climatic conditions with a mean annual
precipitation of approximately 500 mm per year, because they got sufficient
recharge from their basin and the discharge was blocked by natural barriers.
In the last two centuries most of the fens were drained for agricultural land use.
However, because of the low precipitation, the drainage systems were completed
with a number of weirs as a prerequisite for intensive agricultural production in
the 1970s and 1980s. Therefore, these regions have complex water resources
management systems today, which are often integrated in the water resources
management system of the whole river basin.
Keywords
wetlands, water resources management, drainage, sub-irrigation,
water balance model, climate change.
Related Book
Other papers in this volume
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