Arid
The alluvium of August 9, 2015 in Alto Patache, Tarapaca region, Atacama Desert
Orellana, Hector; Garcia, Juan-Luis; Ramirez, Carla; Zanetta, Nicolas
通讯作者Orellana, Hector
来源期刊REVISTA DE GEOGRAFIA NORTE GRANDE
ISSN0718-3402
出版年2017
期号68页码:65-89
英文摘要

During the 09 August 2015 (strong El Nino year) heavy rains fell in the coastal Atacama Desert, including our Research Station Atacama UC_Alto Patache (cordillera de la Costa, Tarapaca Region). In this study we provide a detailed analysis of the meteorology and hydrogeomorphic response to the 51,6 mm in 6 hours of rain recorded in Alto Patache. In our control basin (7.2 Ha) we estimated a maximum erosion of similar to 1070 m(3), which were partially stored in the distal alluvial fan, where we quantified 637 m3 of material. We estimated a mean water discharge of 11 m(3) s(-1) at the lower basin. The comparison between the meteorological and morphostratigraphical data allows us to define three phases that best characterize the anatomy of the 9A: Initial, Peak and End. We conclude that Alto Patache embraces an overall geomorphic stability that is interrupted recurrently by debris flows linkable to ENSO variability.


英文关键词Debris flow 9 August 2015 Estacion Atacama UC_Oasis Niebla Alto Patache morphostratigraphy ENSO
类型Article
语种西班牙语
国家Chile
收录类别SCI-E ; SSCI
WOS记录号WOS:000432290800005
WOS关键词NORTHERN CHILE ; VARIABILITY ; CLIMATE ; ANTOFAGASTA ; COAST ; FOG
WOS类目Geography ; Geography, Physical
WOS研究方向Geography ; Physical Geography
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/202090
作者单位Pontificia Univ Catolica Chile, Ctr UC Desierto Atacama, Inst Geog, Santiago, Chile
推荐引用方式
GB/T 7714
Orellana, Hector,Garcia, Juan-Luis,Ramirez, Carla,et al. The alluvium of August 9, 2015 in Alto Patache, Tarapaca region, Atacama Desert[J],2017(68):65-89.
APA Orellana, Hector,Garcia, Juan-Luis,Ramirez, Carla,&Zanetta, Nicolas.(2017).The alluvium of August 9, 2015 in Alto Patache, Tarapaca region, Atacama Desert.REVISTA DE GEOGRAFIA NORTE GRANDE(68),65-89.
MLA Orellana, Hector,et al."The alluvium of August 9, 2015 in Alto Patache, Tarapaca region, Atacama Desert".REVISTA DE GEOGRAFIA NORTE GRANDE .68(2017):65-89.
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