A. Frumau
Energy Research Centre of the Netherlands
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Featured researches published by A. Frumau.
Environmental Pollution | 2012
M.P.W. Sonneveld; J.A. de Vos; J. Kros; M. Knotters; A. Frumau; Albert Bleeker; W. de Vries
We assessed the compliance of a Dutch landscape, dominated by dairy farming, with environmental quality standards using a combination of model calculations and measurements. The total ammonia emission of 2.4 kton NH(3) yr(-1) does not exceed the environmental quality standard (2.6 kton NH(3) yr(-1)). Nevertheless, the total N deposition (on average 24.4 kg N ha(-1) yr(-1)) is such that critical N loads are exceeded at 53% of the nature areas. The deposited N mainly results from non-agricultural sources and agricultural sources outside the area (72%). The calculated average NO(3)(-) concentration in the upper groundwater does not exceed the 50 mg l(-1) threshold. Calculated annual average N-total and P-total concentrations in discharge water are relatively high but these cannot be directly compared with thresholds for surface water. The results suggest that compliance monitoring at the landscape scale needs to include source indicators and cannot be based on state indicators alone.
Agriculture, Ecosystems & Environment | 2009
U. Skiba; Julia Drewer; Y.S. Tang; N. van Dijk; Carole Helfter; E. Nemitz; D. Famulari; J.N. Cape; S.K. Jones; Marsailidh Twigg; Mari Pihlatie; Timo Vesala; Klaus Steenberg Larsen; Mette S. Carter; Per Ambus; Andreas Ibrom; C. Beier; A. Hensen; A. Frumau; J.W. Erisman; Nicolas Brüggemann; Rainer Gasche; Klaus Butterbach-Bahl; Albrecht Neftel; C. Spirig; László Horváth; A. Freibauer; Pierre Cellier; Patricia Laville; Benjamin Loubet
Biogeosciences | 2012
Tommy Dalgaard; J. Bienkowski; Albert Bleeker; U. Dragosits; J.L. Drouet; Patrick Durand; A. Frumau; Nick Hutchings; A. Kedziora; V. Magliulo; J.E. Olesen; Mark R. Theobald; O. Maury; N. Akkal; Pierre Cellier
Nitrogen & Global Change. Key findings, future challenges | 2011
Tommy Dalgaard; Patrick Durand; U. Dragosits; Nick Hutchings; A. Kedziora; A. Frumau; Albert Bleeker; E. Magliulo; J.E. Olesen; Mark R. Theobald; Jean-Louis Drouet; Pierre Cellier
V-focus | 2018
H. Kros; W. de Vries; A. van Pul; E. Wattel-Koekkoek; R.J. Wichink Kruit; K. van Herk; A. Frumau
V-focus | 2018
A. van Pul; R.J. Wichink Kruit; A. Frumau; J. Kros; W. de Vries
Proceedings 16 th. Nitrogen Workshop | 2009
Jean-Louis Drouet; Pierre Cellier; Sylvia Duretz; Olivier Maury; Patrick Durand; Christophe Flechard; Jordy Salmon-Monviola; Mark R. Theobald; U. Dragosits; Christine F. Braban; Nick Hutchings; J.E. Olesen; Tommy Dalgaard; Kirsten Schelde; Lutz Breuer; P. Kraft; K.B. Vaché; Klaus Butterbach-Bahl; Albert Bleeker; A. Frumau; J. Bienkowski; A. Kedziora; E. Magliulo; P. Magliulo; Mark A. Sutton
Milieu | 2008
W. de Vries; H. Kros; B. de Vos; M. Knotters; J. Roelsma; Albert Bleeker; A. Hensen; A. Frumau; M.P.W. Sonneveld