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This book deals with the vitally important issues of data, data sharing and data management. Sharing data and information enables people to think together in solving problems, in building the trust that is essential for co-operative efforts at sustaining shared vital natural resources, and in avoiding conflict. It is axiomatic that all planning and policy making, not least for environmental and resource sustainability, depend for their success on accurate data and information, dispensed freely to all who need it, from farmers to heads of state. These maxims are especially apt when applied to water resources that are international and trans-boundary. In such circumstances, the need to co-operate and share are acute if the water resource is to be managed, distributed and used equitably and efficiently.
Data on water quality and other environmental issues are being collected at an ever-increasing rate. In the past, however, the techniques used by scientists to interpret this data have not progressed as quickly. This is a book of modern statistical methods for analysis of practical problems in water quality and water resources.The last fifteen years have seen major advances in the fields of exploratory data analysis (EDA) and robust statistical methods. The 'real-life' characteristics of environmental data tend to drive analysis towards the use of these methods. These advances are presented in a practical and relevant format. Alternate methods are compared, highlighting the strengths and weaknesses of each as applied to environmental data. Techniques for trend analysis and dealing with water below the detection limit are topics covered, which are of great interest to consultants in water-quality and hydrology, scientists in state, provincial and federal water resources, and geological survey agencies.The practising water resources scientist will find the worked examples using actual field data from case studies of environmental problems, of real value. Exercises at the end of each chapter enable the mechanics of the methodological process to be fully understood, with data sets included on diskette for easy use. The result is a book that is both up-to-date and immediately relevant to ongoing work in the environmental and water sciences.