Hydrological science and wetland restoration: some case studies from Europe

Acreman, Mike; Fisher, Joanne; Stratford, Charlie; Mould, D. J.; Mountford, J. O.

doi:10.5194/hess-11-158-2007

Cited by 123 publications

(75 citation statements)

References 12 publications

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“…The equipment of ditch networks with hydraulic structures (e.g., buried pipes and weirs) that improve water storage capacity of the network (Acreman et al 2007;Sofia et al 2014) may attenuate floods downstream during extreme rain events. Equipped ditch networks are considered as one of the techniques permitting dynamic flood retention (Poulard et al 2008).…”

Section: Flood Regulationmentioning

confidence: 99%

Managing ditches for agroecological engineering of landscape. A review

Dollinger¹,

Dagès²,

Bailly

et al. 2015

Agron. Sustain. Dev.

114

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Agriculture must now feed the planet with the lowest environmental impact. Landscape management is a means to protect natural resources from the adverse impacts. In particular, the adequate management of ditches could improve crop quality. Here, we review ditch design and maintenance. We found the following major points: (1) ditch networks have been primarily designed for waterlogging control and erosion prevention. Nonetheless, when properly managed, farm ditches provide other important ecosystem services, namely groundwater recharge, flood attenuation, water purification, or biodiversity conservation. (2) All ditch ecosystem services depend on many geochemical, geophysical, and biological processes, whose occurrence and intensity vary largely with ditch characteristics. (3) The major ruling characteristics are vegetative cover; ditch morphology; slope orientation; reach connections such as piped sections and weirs, soil, sediment and litter properties, biota, and biofilms; and network topology. (4) Ditch maintenance is an efficient engineering tool to optimize ecosystem services because several ditch characteristics change widely with ditch maintenance. For instance, maintenance operations, dredging, chemical weeding, and burning improve waterlogging and soil erosion control, but they are negative for biodiversity conservation. Mowing has low adverse effects on biodiversity conservation and water purification when mowing is performed at an adequate season. The effects of burning have been poorly investigated.

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Section: Flood Regulationmentioning

confidence: 99%

Managing ditches for agroecological engineering of landscape. A review

Dollinger¹,

Dagès²,

Bailly

et al. 2015

Agron. Sustain. Dev.

114

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“…The existing publications on FPLs usually deal with natural valleys of large rivers in South America and North America (Lesack and Melack, 1995;Schemel et al, 2004;Williams et al, 2004;Acreman et al, 2007;Phlips et al, 2008;Wren et al, 2008;Alcântara et al, 2010;Affonso et al, 2011). The channels of the majority of European rivers were at some stage modified; this made floodplain lakes disappear.…”

Section: Discussionmentioning

confidence: 99%

Water balance of selected floodplain lake basins in the Middle Bug River valley

Dawidek

Ferencz

2014

Hydrol. Earth Syst. Sci.

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Abstract. This study is the first attempt in the literature on the subject of comparing water balance components for floodplain lake basins, depending on the type of a lake connection to the parent river. Research was carried out in the Bug River valley in 2007-2011 water years. Four types of connections were distinguished in the area under study. Simple water balance equation could only be used with regard to the lakes connected to the main river via the upstream crevasses. Detailed and individual water balance equations were developed with reference to the other types of lakes. Water gains and losses varied significantly in the lakes under study. Values of horizontal water balance components (inflow and outflow) of the floodplain lake in Wola Uhruska considerably prevailed over the vertical ones (precipitation and evaporation). Inflow of the Bug River waters was diverse during the time period under study and amounted from 600 000 to 2 200 000 m 3 yr −1 . Volumes of precipitation and evaporation were rather stable and amounted to approx. 30 000 m 3 yr −1 . The lowest disparity between horizontal and vertical water balance components was observed in the interlevee lake. Both upstream inflow of rivers water and outflow from the lake (ranged from 0 in 2008 to 35 000 m 3 yr −1 in 2009) were usually an order of magnitude higher than precipitation and evaporation from the lake surface (700-800 m 3 yr −1 ). Study showed that the values and the proportion between aforementioned vertical and horizontal water balance elements were determined by the type of a lake connection to the Bug River. Storage volume showed no relationship to the type of connection, but resulted from individual features of the lakes (location within the valley, precipitation and evaporation volume, difference between water inflow and outflow).

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“…Floodplain restoration schemes are thought to reduce flood risk as they reconnect the channel to its floodplain (Acreman et al, 2007), allowing water storage on the floodplain in flood expansion areas, which are commonly agricultural fields (Pivot et al, 2002). Interception ponds have been used at Nafferton Farm in the Tyne valley to store road runoff to benefit water quality (Jonczyk et al, 2008), but has also been shown how they have water quantity advantages at Belford in Northumberland .…”

Section: Wetlandsmentioning

confidence: 99%

Rural land management impacts on catchment scale flood risk

Pattison¹

2010

Role of Hydrology in Managing Consequences of a Changing Global Environment

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The full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-pro t purposes provided that:• a full bibliographic reference is made to the original source• a link is made to the metadata record in Durham E-Theses• the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full Durham E-Theses policy for further details. Most approaches to this problem aim to upscale from individual grid cells to whole catchments, something that restricts the complexity of possible process representation, produces models that may not be parsimonious with the data needed to calibrate them and, faced with data uncertainties, provides computational limitations on the extent to which model uncertainty can be fully explored. Rather than upscaling to problems of concern, this thesis seeks to downscale from locations of known flood risk, as a means of identifying where land use management changes might be beneficial and then uses numerical modelling to identify the kinds of management changes required in those downscaled locations. Thus, the aim of this thesis is to test an approach to understanding the impacts of rural land management upon flood risk based upon catchment-to-source downscaling.This thesis uses the case study of the River Eden catchment (2400 km 2 ) as a test (1) it was shown to have a significant impact on downstream flood risk; and (2) it had range of data and information needed for modelling land use changes.The second part of this thesis explored the land management scenarios that could be used to reduce flood risk at the catchment scale. The scenarios to be tested were determined through a stakeholder participation approach, whereby workshops were held to brainstorm and prioritise land management options, and then to identify specific locations within the Eamont sub-catchment where they could tested. There were two main types of land management scenarios chosen: (1) landscape-scale changes, including afforestation and compaction; and (2) corresponding to a 5.8% decrease in peak discharge. A key conclusion is that land management practices have been shown to have an effect on catchment scale flooding, even for extreme flood events. However, the effect of land management scenarios are both spatially and temporally dependent i.e. the same land management practice has different effects depending on where it is implemented, and when implemented in the same location has different effects on different flood events.

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Hydrological science and wetland restoration: some case studies from Europe

Cited by 123 publications

References 12 publications

Managing ditches for agroecological engineering of landscape. A review

Managing ditches for agroecological engineering of landscape. A review

Water balance of selected floodplain lake basins in the Middle Bug River valley

Rural land management impacts on catchment scale flood risk

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