Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.earscirev.2005.04.009 |
Late Quaternary denudation, Death and Panamint Valleys, eastern California | |
Jayko, AS | |
通讯作者 | Jayko, AS |
来源期刊 | EARTH-SCIENCE REVIEWS |
ISSN | 0012-8252 |
出版年 | 2005 |
卷号 | 73期号:1-4页码:271-289 |
英文摘要 | Late Quaternary denudation rates are constrained from alluvial falls and tributary watersheds in central Death and Panamint Valleys. preliminary results suggest that the denudation rate is in part a function of the mean watershed elevation. Rainfall increases semi-logarithmically with higher elevation to about 2500 m where it becomes limited by the regional average maximum moisture content of the air mass. The fail volumes show a power-law relation to the watershed areas. The fail volumes ranged from about 250,000 to 4000 km(3) and the watershed areas range from about 60,000 to 2000 km(2). The upper limit of the denudation rates estimated from small Death Valley falls restricted to the east side of the basin along the Black Mountain frontal scarp range between about 0.03 to 0.18 mm/yr. The maximum is made by assuming most of the elastic accumulation in these fans followed the last highstand of Lake Manly around 24,000 yr which is the least conservative condition. The upper limit of the denudation rates from the Panamint fans range from 0.04 to 0.20 mm/yr assuming the accumulation mainly postdates OIS-4 similar to 60,000 yr or OIS-2 similar to 20,000 yr based oil the presence or absence of inset shorelines from the last glacial-pluvial maximum. The greater denudation rate associated with the higher mean watershed elevations can mainly be attributed to the greater rainfall at higher elevation. Denudation rates are about a third or less of the Neogene dip-slip rates reported from nearby active faults consistent with relief increasing during dryer periods. (c) 2005 Elsevier B.V. All rights reserved. |
英文关键词 | Death Valley alluvial fans Quaternary denudation rates arid processes Panamint Valley |
类型 | Article |
语种 | 英语 |
国家 | USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000234473400016 |
WOS关键词 | DRAINAGE BASINS ; ALLUVIAL FANS ; SIERRA-NEVADA ; OWENS VALLEY ; CHRONOLOGY ; RATES ; FAULT ; DEPOSITS ; CORE |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
来源机构 | United States Geological Survey |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/148827 |
作者单位 | (1)US Geol Survey, White Mt Res Stn, Bishop, CA 93514 USA |
推荐引用方式 GB/T 7714 | Jayko, AS. Late Quaternary denudation, Death and Panamint Valleys, eastern California[J]. United States Geological Survey,2005,73(1-4):271-289. |
APA | Jayko, AS.(2005).Late Quaternary denudation, Death and Panamint Valleys, eastern California.EARTH-SCIENCE REVIEWS,73(1-4),271-289. |
MLA | Jayko, AS."Late Quaternary denudation, Death and Panamint Valleys, eastern California".EARTH-SCIENCE REVIEWS 73.1-4(2005):271-289. |
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