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Experimental floods in the River Spol, Swiss National Park: Framework, objectives and design

机译：瑞士国家公园Spol河中的实验性洪水：框架，目标和设计

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摘要

Between 2000 to 2002, 11 experimental floods were released from 2 reservoirs separating different regulated segments of the Spol River in the Swiss National Park. The riverbed of the Spol ad been altered substantially by regulated flows since energy production started in 1970. This 3-year experiment aimed to test whether an annual flood regime could restore riverine dynamics to this regulated river and, if so, how the floods must be managed in respect to a minimal but regular flow disturbance required to maintain riverine dynamics in a near natural state. This article outlines the framework, objectives and design of the experimental flood program on the River Spol. The study involved a number of institutions controlling operational, economical, legal and ecological matters related to the floods, and was planned under the constraint that the floods would result in no increase in total water release during each year and no loss in total energy production. Concomitant cross-disciplinary environmental studies monitored the diverse impacts of each flood on the respective regulated segments. The various results, as shown in the accompanying reports, suggest that one or two annual high flows may be sufficient to enhance and sustain the ecological integrity of the Spol over the long term.
机译：在2000年至2002年之间，瑞士国家公园的2个水库（分别分隔了Spol河的不同调节段）释放了11次实验性洪水。自1970年开始生产能源以来，Spol ad的河床已受到监管流量的重大改变。这项为期3年的实验旨在测试年度洪水制度是否可以恢复该受监管河流的河流动力，如果是，则必须如何应对洪水针对维持河流自然状态接近自然状态所需的最小但有规律的水流扰动进行管理。本文概述了Spol河上的实验性洪水计划的框架，目标和设计。这项研究涉及控制与洪水有关的运营，经济，法律和生态事务的许多机构，并且是在这样的约束下进行的：洪水不会导致每年的总释水量增加，总的能源生产量不会减少。随之而来的跨学科环境研究监测了每次洪水对各自受管制区域的各种影响。如所附报告所示，各种结果表明，从长期来看，一年或两年的高流量可能足以增强和维持Spol的生态完整性。

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