Geomorphic History of the Virgin River in the Zion National Park Area, Southwest Utah (Classic Reprint)

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Excerpt from Geomorphic History of the Virgin River in the Zion National Park Area, Southwest UtahThis study addresses the alluvial geo morphology of the upper Virgin River in southwest Utah during the past years, the late Holocene of geologic time. The study area lies in and near Zion National Park and includes the North Fork (virgin River) in Zion Canyon below The Narrows, East Fork (virgin River) in lower Parunuweap Canyon, and the Virgin River downstream of the park to Virgin, Utah (fig. The question of how natural variations of discharge and sediment load alter the alluvial valley and channel was the research topic. This information is necessary to understand the role of dis charge variability in the recent geomorphic development of the alluvial valley, which in turn effects riparian and aquatic resources. These resources are linked to changes in the alluvial valley, because alluvium is the sub strate for riparian vegetation and the allu vial channel is the habitat of six species of native fish (deacon, written commun., Results of this study suggest that the allu vial valley has changed rapidly in response to natural discharge variations.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.