Resultados para "Estados Des Unidos de America" en Ciencias de la Tierra

In this fresh and powerful work of environmental history, Martin Doyle explores how rivers have often been the source of arguments at the heart of the American experiment - over federalism, taxation, regulation, conservation, and development. Doyle tells the epic story of America and its rivers, from the US Constitution's roots in interstate river navigation, the origins of the Army Corps of Engineers, the discovery of gold in 1848, and the construction of the Hoover Dam and the TVA during the New Deal, to the failure of the levees in Hurricane Katrina.

This comprehensive account of California’s numerous and perilous natural disasters explores how a unique combination of forces has affected Californians throughout the state's history and carries a sobering message about our short disaster memories. California has more natural hazards per square mile than any other state, but this hasn’t deterred people from moving here. Entire California towns and regions frequently contend with destruction caused by earthquakes, floods, landslides and debris flows, and sea-level rise and coastal erosion.

The great unknown of the Southwest is conquered by a one-armed man and his crew of adventurers, placing the Colorado River and the Grand Canyon on the map of the American continent. It is a journey no human being had ever made before. Dangerous rapids, narrow canyon walls offering no escape, terrifying river waterfalls, capsized boats, near drowning, lost equipment and disillusioned men are dramatically described by John Wesley Powell, leader of this adventurous party.