Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

    We have a manual that explains all the features 

Record number 302269
Title Critical loads of sulfur and nitrogen
Author(s) Posch, M.; Vries, W. de; Hettelingh, J.P.
Source In: Calculation and mapping of critical thresholds in Europe: status report 1995 / Posch, M., de Smet, P.A.M., Hettelingh, J.P., Downing, R.J., - p. 31 - 41.
Department(s) Winand Staring Centre for Integrated Land, Soil and Water Research
Publication type Chapter in scientific book
Publication year 1995
Abstract This paper describes the simple mass balance model (SMB) for calculating critical loads of sulphur and nitrogen on forest soils. It includes a complete overview of the mathematical descriptions for all the relevant input terms in the SMB model such asuptake, nitrogen transformation processes and alkalinity leaching. A distinction is made between methods using a constant and a deposition-dependent description of nitrogen sinks, such as denitrification. The simultaneous treatment of sulphur and nitrogen does not allow the calculation of a unique critical load. In this context, the concept of a protection isoline is introduced and mathematically described.
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