The role of riparian woods in regulating nitrogen fluxes between the alluvial aquifer and surface water: A conceptual model

Pinay, G. & Decamps, H. (1988). The role of riparian woods in regulating nitrogen fluxes between the alluvial aquifer and surface water: A conceptual model. Regulated Rivers: Research & Management 2 (4) 507-516. 10.1002/rrr.3450020404.

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Abstract

Conceptual models are proposed to explain nitrogen fluxes in the soils of riparian zones in relation to the different modalities of water logging and nitrate inputs. Non-submerged, temporarily submerged, and always submerged, sites are considered in both winter and summer. It is shown that capacities for epuration are elevated for nitrate loads from the alluvial aquifer during the lateral transfer of water from agricultural land to the river through the riparian zone. About 30 m of groundwater flow under the riparian wood studied is sufficient to remove all nitrate. Denitrification rates up to 50 mg N2 per m2 per day were observed in the field, but a potential for more denitrification exists. The efficiency of the riparian woods as natural filters regulating nutrient transfers to the river deserves more consideration in river management.

Item Type:	Article
Depositing User:	Luke Kirwan
Date Deposited:	09 Aug 2016 08:09
Last Modified:	27 Aug 2021 17:41
URI:	https://pure.iiasa.ac.at/13625

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