期刊
WATER ENVIRONMENT RESEARCH
卷 84, 期 5, 页码 441-451出版社
WILEY
DOI: 10.2175/106143012X13347678384729
关键词
local water balance; discharge dynamics; urban development; near-to-nature rainwater management; flood wave generation
资金
- Fond National de la Recherche Luxembourg [TR-PHD 08/065, TR-PHD 08/096]
- InterregIIIb-Project WaReLa
Near-to-nature stormwater management aims at replicating the quasi-natural local water balance and preserving the ecosystem's integrity of affected waters. Surface waters in the urban areas of Trier-Petrisberg are managed by a separate sewer systemin conjunction with a complex retention system. To investigate the effect of this alternative rainwater management practice on the local water balance, a differentiated discharge and groundwater monitoring network with a high spatio-temporal measurement resolution has been implemented within the watershed. Additional information regarding the proportion and spatial distribution of discharge-generating surfaces was provided through visual interpretation of aerial photographs. As a result of this analysis, groundwater levels were found to not be significantly affected by an increase of local sealed surfaces, and the ecologically-justifiable maximum discharge in the tributary was infrequently exceeded. Regarding further building development and climate change, the hydrological load capacity of the retention basins will provide effective rainwater management, even with respect to increasing precipitation intensities and frequencies. Water Environ. Res., 84, 441 (2012).
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