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308 search results for: Lake Mead

171

Infographic: Global Reservoir Storage Capacity

The rate of storage expansion has slowed since the mid-20th century Hoover Dam was not the first dam built in the United States, but the concrete wall across Boulder Canyon, on the Colorado River, was symbolic of an era. As the graphic below shows, reservoir storage capacity in the United States expanded dramatically in the […]

172

The Growth of the Water Beat

News agencies carve out more space for water. Photo © Brett Walton / Circle of Blue During a field tour organized as part of the Society of Environmental Journalists annual conference, Jason Lewis, a hydrologist at the U.S. Geological Survey, explains how stream gauges are used to measure river flow. The conference took place October […]