AQUATIC EFFECTS OF ACIDIC DEPOSITION - CHAPTER 5 pdf

... and 5. 4). Model-gen- erated median values of the F -factor ranges from 0 .56 to 0. 85, and values of the 5th percentile of Adirondack lake projections (0. 25 to 0.39) were reason- ably comparable ... results of space-for-time substitution (Table 5. 2), diatom-inferences of historical acidification (Table 5. 3), and results of process-based model hindcasts or future foreca...

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... Mountains are highly sensitive to potential acidic deposition effects because of the pre- dominance of granitic bedrock, thin acidic soils, large amounts of precipita- tion, coniferous vegetation, and ... during hydro- logical episodes. Many of the same characteristics that predispose aquatic systems to chronic acidification from acidic deposition (discussed in Chapter...

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... States of America 1 2 3 4 5 6 7 8 9 0 Printed on acid-free paper Library of Congress Cataloging-in-Publication Data Sullivan, Timothy, J., 1 95 0- Aquatic effects of acidic deposition / Timothy ... Press LLC 2 Aquatic Effects of Acidic Deposition issues, from emissions (SOS/T 1) through valuation (SOS/T 27). Of these reports, six covered aspects of a...

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... 10 Aquatic Effects of Acidic Deposition 2.1.2 Sensitivity to Acidification Surface waters that are sensitive to acidification from acidic deposition of S or N typically exhibit a number of ... x[Al T n+ ] - 2[SO 4 2- ] - [NO 3 - ]-[ Cl - ]-[ F - ] 1416/frame/C02 Page 14 Wednesday, February 9, 2000 11:39 AM © 2000 by CRC Press LLC Background...

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... 9, 2000 1 :59 PM © 2000 by CRC Press LLC 58 Aquatic Effects of Acidic Deposition 3.2.6 Climate Climate can have a large influence on acid sensitivity and the effects of ele- vated S or N deposition ... quantify the effects of acidic deposition on a regional scale. A crit- ical limitation of much of the acidic deposition effects research conducted to date has...

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... 19,940) 172 ( 65 491) 7.1 (6 .5 7 .5) 1 35 (62–229) 16 (4–34) 36 (18–68) 1.0 (0.7–1.7) Acidic SAMI Streams a 1986 NSS (n = 730) -2 4 (-3 5 -2 4) 43.7 (4 .5 4.7) 142 (117–229) 0.3 (0.2–3 .5) 16 (12– 25) 1.4 (1.0–1.7) South ... C B SO 4 2- NO 3 - DOC Population np 1 p 5 p 1 p 5 p 1 p 5 p 95 p 99 p 95 p 99 p 50 p 90 Sierra Nevada 114 2119 5. 84 6.31 15 16...

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... N. The combined inputs of N from deposition, miner- 1416/frame/C07 Page 1 65 Wednesday, February 9, 2000 2: 15 PM © 2000 by CRC Press LLC 156 Aquatic Effects of Acidic Deposition natural ... 2: 15 PM © 2000 by CRC Press LLC 164 Aquatic Effects of Acidic Deposition saturation. At sites with high N deposition (20 to 54 kg N/ha per year) and significant le...

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... 176 Aquatic Effects of Acidic Deposition 1. Increasing deposition of S and/or N. 2. Excluding the previously existing deposition via construction of roofs over entire forested plots or mini-catchments. 3. ... relate to ecosystem responses to acidic deposition. Some of the most important contributions to the state of scientific under- standing of the aquatic ef...

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... assessment of the effects of acidic deposition in two respects. First, these results were the first to show quantitative agreement between estimates of pH of natural aquatic systems receiving acidic deposition, ... influence of an underpredic- tion of NO 3 - increase and an overprediction of NH 4 + increase. The annual dose of SO 4 2- (1800 eq ha per year) sh...

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... Mountain region of New York is one of the most intensively studied regions of the world with respect to the effects of acidic deposition on aquatic resources. Acidic deposition effects research ... LLC 240 Aquatic Effects of Acidic Deposition 10.1.3 ELS-II During Phase II of the Eastern Lake Survey (ELS-II), a subset of ELS-I lakes was resampled durin...

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