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Cambridge Environmental Chemistry Series : Acidification of Freshwaters Series Number 2 - Anthony Edwards

Cambridge Environmental Chemistry Series

Acidification of Freshwaters Series Number 2

Paperback Published: 27th October 2011
ISBN: 9780521158367
Number Of Pages: 146

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First published in 1987, this book examines the numerous interacting physical, chemical and biological processes which regulate the acidity of freshwaters. Natural acidification processes are considered first, the the effects of acidifying pollutant inputs from the atmosphere and of other human activities. The relative importance of the different processes is critically examined. Concepts incorporated are drawn from chemistry, physics, geology, hydrology, plant science and forestry, soil science, microbiology and meteorology. The authors have attempted to thread the relevant information together to make a coherent story which should be understandable and useful to readers from a number of disciplines: undergraduates and postgraduates studying environmental science, ecology, water quality and hydrogeochemistry; politicians and managers concerned with pollution control. Indeed, most of the text should be understandable to well-informed non-scientists who want (or need) a better grasp of this fascinating and important topic.

Prefacep. vii
The importance of freshwater acidificationp. 1
Developing awareness of the problems of freshwater acidityp. 3
Acidification and water qualityp. 6
Mechanisms of acidification effects on freshwater biotap. 8
Referencesp. 11
Natural acidification processesp. 14
The hydrologic cyclep. 14
Atmospheric inputs to ecosystemsp. 16
Natural materials deposited from the atmospherep. 18
Seasonal trends in precipitation chemistryp. 23
Hydrology of upland catchmentsp. 23
Mechanisms of water transport through soilp. 28
Soil/water interactionsp. 29
Relevant soil formation processesp. 37
Natural acidity of soilsp. 39
The importance of vegetationp. 42
pH buffering of freshwatersp. 43
The significance of readily weatherable mineral depletionp. 46
Snow and snowmeltp. 48
Frozen soilsp. 50
Referencesp. 51
Anthropogenic influences on acidification processesp. 56
Afforestation and forest clearancep. 56
Summary of effects of forest clearance/afforestationp. 58
Other land use changesp. 67
Acidifying pollutants in the atmospherep. 80
Interactions of acidic deposition with vegetationp. 83
The significance of vegetation effects in relation to acidifying pollutantsp. 92
Acid deposition-soil interactionsp. 97
Direct acidification effectsp. 101
Acid rain, changes in land use or natural acidification?p. 101
Referencesp. 102
Experimental methods in acidification researchp. 109
Possible sampling objectivesp. 110
Sampling frequencyp. 110
Sampling river and lake waterp. 112
Characterisation of wet and dry deposition inputsp. 113
Lysimeters in æacid rainÆ researchp. 119
Other uses of simulated rainp. 122
Sample contamination and storagep. 122
Modelling and water acidityp. 123
Referencesp. 125
Possible priorities in freshwater acidification researchp. 129
Water acidification and aquatic biotap. 129
Vegetational effectsp. 130
Hydrological pathway researchp. 131
Carbon dioxide effectsp. 131
Soil acidification and recovery ratesp. 132
Some concluding remarksp. 132
Indexp. 133
Table of Contents provided by Ingram. All Rights Reserved.

ISBN: 9780521158367
ISBN-10: 0521158362
Series: Cambridge Environmental Chemistry Series
Audience: Professional
Format: Paperback
Language: English
Number Of Pages: 146
Published: 27th October 2011
Publisher: Cambridge University Press
Country of Publication: GB
Dimensions (cm): 24.4 x 17.0  x 0.8
Weight (kg): 0.25