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Rivers are important agents of change that shape the Earth's surface and evolve through time in response to fluctuations in climate and other environmental conditions. They are fundamental in landscape development, and essential for water supply, irrigation, and transportation. This book provides a comprehensive overview of the geomorphological processes that shape rivers and that produce change in the form of rivers. It explores how the dynamics of rivers are being affected by anthropogenic change, including climate change, dam construction, and modification of rivers for flood control and land drainage. It discusses how concern about environmental degradation of rivers has led to the emergence of management strategies to restore and naturalize these systems, and how river management techniques work best when coordinated with the natural dynamics of rivers. This textbook provides an excellent resource for students, researchers, and professionals in fluvial geomorphology, hydrology, river science, and environmental policy.
This resource addresses regional, territorial, and continental water issues through interdisciplinary design research in landscape architecture. The text assembles scholarly papers from designers that reframe complex issues of industrial agriculture, energy production, urban sewersheds, water law, transportation tributaries, and cross-watershed diversions, to propose new inland water futures.
The Great Lakes are the largest collection of fresh surface water on earth, and more than 40 million Americans and Canadians live in their basin. Will we divert water from the Great Lakes, causing them to end up like Central Asia's Aral Sea, which has lost 90 percent of its surface area and 75 percent of its volume since 1960? Or will we come to see that unregulated water withdrawals are ultimately catastrophic? Peter Annin writes a fast-paced account of the people and stories behind these upcoming battles. Destined to be the definitive story for the general public as well as policymakers, The Great Lakes Water Wars is a balanced, comprehensive look behind the scenes at the conflicts and compromises that are the past-and future-of this unique resource.
Since 2011, Watershed Cairns® artists Libby Reuter and Joshua Rowan have collaborated to depict the bountiful land and water of the Mississippi River basin and to express the ways that we use or abuse these vital resources. They travel on roads near the rivers, stopping to place and photograph Reuter's sculptures, or cairns. Reuter's cairns are inspired by the rocks that hikers stack to mark a trail, or as a memorial. But, her material isn't rock. She assembles household glass from local thrift stores to make these fragile watershed markers. Each cairn is strategically positioned in some of the most compelling and unexpected sites along the great rivers. The locations are chosen to comment on the condition or history of the land and water at that place. The cairns also mark the watersheds metaphorically as fragile, beautiful, and deeply connected to everyday life. After Rowan photographs them, the location is recorded, and the cairns are removed and stored for later exhibits alongside the luminous large-scale, color photographs. Each image is identified by its physical address, its latitude and longitude, and details about the watershed at that location.
The Mississippi River is, in many ways, the nation's best known and most important river system. Mississippi River water quality is of paramount importance for sustaining the many uses of the river including drinking water, recreational and commercial activities, and support for the river's ecosystems and the environmental goods and services they provide. The Clean Water Act, passed by Congress in 1972, is the cornerstone of surface water quality protection in the United States, employing regulatory and nonregulatory measures designed to reduce direct pollutant discharges into waterways. The Clean Water Act has reduced much pollution in the Mississippi River from "point sources" such as industries and water treatment plants, but problems stemming from urban runoff, agriculture, and other "non-point sources" have proven more difficult to address. This book concludes that too little coordination among the 10 states along the river has left the Mississippi River an "orphan" from a water quality monitoring and assessment perspective. Stronger leadership from the U.S. Environmental Protection Agency (EPA) is needed to address these problems. Specifically, the EPA should establish a water quality data-sharing system for the length of the river, and work with the states to establish and achieve water quality standards. The Mississippi River corridor states also should be more proactive and cooperative in their water quality programs. For this effort, the EPA and the Mississippi River states should draw upon the lengthy experience of federal-interstate cooperation in managing water quality in the Chesapeake Bay.