The paleoarchaic occupation of the Old River Bed delta
"During the regressive phase of Lake Bonneville, the Old River Bed (ORB) held a river connecting the two major subbasins of the Bonneville basin (Figure 1.1). Beginning sometime around 12,000 14C B.P., the river ran north, draining the southern Sevier basin and emptying into the Great Salt Lake...
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Weitere Verfasser: | , |
| Format: | UnknownFormat |
| Sprache: | eng |
| Veröffentlicht: |
Salt Lake City
Univ. of Utah Press
c 2015
|
| Schriftenreihe: | University of Utah anthropological paper
128 |
| Schlagworte: | |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Tag hinzufügen | Zusammenfassung: | "During the regressive phase of Lake Bonneville, the Old River Bed (ORB) held a river connecting the two major subbasins of the Bonneville basin (Figure 1.1). Beginning sometime around 12,000 14C B.P., the river ran north, draining the southern Sevier basin and emptying into the Great Salt Lake. This was a major river, consisting of the combined flow of the modern Sevier and Beaver rivers, many smaller streams, and groundwater draining into and out of the Sevier basin. Moreover, during the Younger Dryas climate period, between 11,100 and 10,050 14C B.P., this flow was likely enhanced by both increased precipitation and lower temperatures. Sometime after about 8500 14C B.P., water ceased to flow in the ORB, and environmental conditions along the channel began to approach those found at present"-- "About 12,000 years ago, a major river ran from the Sevier Basin to the Great Salt Lake, feeding a wetland delta system and creating riparian habitat along its length. But after three thousand years the river dried up and the surrounding lands became more like what we see today. Because the Old River Bed Delta experienced less environmental and human disturbance than other areas, many of the Paleoarchaic sites found there have remained relatively intact--a rare find in the Great Basin. This book presents a comprehensive synthesis of a decade of investigations conducted by research teams working in different parts of the delta and explores questions about how the old riverbed was formed, how its distributary system changed through time, and how these changes affected early foragers. It concludes with an integrated summary and interpretation. Additional material from this study will be available online at UofUpress.com "During the regressive phase of Lake Bonneville, the Old River Bed (ORB) held a river connecting the two major subbasins of the Bonneville basin (Figure 1.1). Beginning sometime around 12,000 14C B.P., the river ran north, draining the southern Sevier basin and emptying into the Great Salt Lake. This was a major river, consisting of the combined flow of the modern Sevier and Beaver rivers, many smaller streams, and groundwater draining into and out of the Sevier basin. Moreover, during the Younger Dryas climate period, between 11,100 and 10,050 14C B.P., this flow was likely enhanced by both increased precipitation and lower temperatures. Sometime after about 8500 14C B.P., water ceased to flow in the ORB, and environmental conditions along the channel began to approach those found at present"-- "About 12,000 years ago, a major river ran from the Sevier Basin to the Great Salt Lake, feeding a wetland delta system and creating riparian habitat along its length. But after three thousand years the river dried up and the surrounding lands became more like what we see today. Because the Old River Bed Delta experienced less environmental and human disturbance than other areas, many of the Paleoarchaic sites found there have remained relatively intact--a rare find in the Great Basin. This book presents a comprehensive synthesis of a decade of investigations conducted by research teams working in different parts of the delta and explores questions about how the old riverbed was formed, how its distributary system changed through time, and how these changes affected early foragers. It concludes with an integrated summary and interpretation. Additional material from this study will be available online at UofUpress.com |
|---|---|
| Beschreibung: | Includes bibliographical references (pages 257-274) and index |
| Beschreibung: | XV, 287 S. Ill. 29 cm |
| ISBN: | 1607813939 1-60781-393-9 9781607813934 978-1-60781-393-4 |