Scholarlink

<p>In addition to their importance for biodiversity and food production, Austrian carp ponds fulfill essential hydrological functions. Water retention, in particular, is becoming increasingly important, both during dry periods and during heavy rainfall events. During the floods in September 2024, which severely affected parts of Lower Austria, it was observed regionally that ponds can retain significant amounts of water and thereby reduce peak runoff. The historic Jägerteich pond in the Waldviertel region, which features an above-average-sized dam, was able to retain several hundred thousand cubic meters of water due to a&#xa0;water level rise of 0.6 m. Lower Austria has a&#xa0;pond area of approximately 2300 ha, providing a&#xa0;purely theoretical retention volume of several million cubic meters, depending on the available freeboard. In the case of ponds constructed in a&#xa0;near-natural manner, retention areas along the shoreline and on adjacent vegetated areas are added to this. However, the retention effect of ponds depends on their size, location within the watershed, construction, and management. Ponds have considerable potential in integrated flood management, which should be investigated further. Regular maintenance, clearly defined operational regulations, and coordinated communication between pond managers, authorities, and emergency services are essential prerequisites for safe and effective water retention.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Potenzial von Teichen als Retentionsflächen im Hochwassermanagement

  • 期刊论文

  • 发表日期：

    2026年5月27日

查看全文
  • Elisabeth Peham,
  • Günther Gratzl,
  • Thomas Brunner,
  • Matthias Konzett,
  • Elmar Schmaltz,
  • Florian Kainz,
  • Christian Bauer

摘要

In addition to their importance for biodiversity and food production, Austrian carp ponds fulfill essential hydrological functions. Water retention, in particular, is becoming increasingly important, both during dry periods and during heavy rainfall events. During the floods in September 2024, which severely affected parts of Lower Austria, it was observed regionally that ponds can retain significant amounts of water and thereby reduce peak runoff. The historic Jägerteich pond in the Waldviertel region, which features an above-average-sized dam, was able to retain several hundred thousand cubic meters of water due to a water level rise of 0.6 m. Lower Austria has a pond area of approximately 2300 ha, providing a purely theoretical retention volume of several million cubic meters, depending on the available freeboard. In the case of ponds constructed in a near-natural manner, retention areas along the shoreline and on adjacent vegetated areas are added to this. However, the retention effect of ponds depends on their size, location within the watershed, construction, and management. Ponds have considerable potential in integrated flood management, which should be investigated further. Regular maintenance, clearly defined operational regulations, and coordinated communication between pond managers, authorities, and emergency services are essential prerequisites for safe and effective water retention.