By J.W. Erisman, G.J. Heij

ISBN-10: 0444820388

ISBN-13: 9780444820389

Representing the lawsuits of the overseas Speciality convention ''Acid Rain study; will we have adequate answers?'', this e-book presents a necessary end to the coordinated learn on acidification within the Netherlands from 1985 to 1994. The e-book makes a speciality of atmospheric deposition, results of acid deposition on wooded area ecosystems within the Netherlands, and destiny acidification examine. particular awareness is given to: trace gases; ammonia; and particle deposition; and the general review of deposition lots to ecosystems and soils is usually discussed.

This quantity may be worthy to environmental scientists, ecologists, and people concerned about atmospheric science/pollution

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Extra resources for Acid Rain Research: Do We Have Enough Answers?

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With the Vd values and concentration of I-I20 given above, the error in Ac becomes 10 to 25%. 01. These values are considerably higher than found by others [13,14]. With our experimental values the error in Ac is highly dependent on NO2 and O3 concentrations and varies between -25% to +100%. However, if results of others are used for a and 13, much smaller errors are obtained. This must be further investigated. Noise Noise leads to random errors in measured concentrations.

NO concentrations are generally below 1 ppb, so that the error in Ac due to NO interference is generally smaller than 1%. The humidity interference appeared to be rather complicated. 013 ppb per g m 3 H20. "Deposition velocities" (quotation-marks are used, since the humidity flux is usually directed upwards) of humidity were estimated from net radiation, sensible heat flux, temperature and relative humidity. 1 cm s 1 for stable conditions. Using these values and a humidity concentration of 10 g m 3 (~50-percentile), the error in Ac becomes 2 to 20%.

H. Schmidt, U. Schurath, 1992, J. of Atmos. Chem. H. R. 78-1, KNMI, De Bilt, The Netherlands. J. (1986) Bound. Layer Met. 37, 17-35. H. Duyzer (1989) In: Exchange of trace gases between terrestrial ecosystems and the atmosphere. O. D. ), John Wiley and Sons Ltd. K. (1983), Bound. Layer Met. 27,387-391. , (1982) J. of Geophys. Res. 87, c l l , 88338837. , Schwartz S. B. J. Landsberg (1976). In: Vegetation and the Atmosphere Volume 2, Monteith Editor Academic Press London, 171-240 Analytical Methods Committee (1989) Part 1.

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Acid Rain Research: Do We Have Enough Answers? by J.W. Erisman, G.J. Heij


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