干旱区生态环境知识资源中心(Arid): Topographic Thresholds and Soil Preservation along the Southern High Plains Eastern Escarpment, Northwest Texas, USA

Arid

DOI	10.3390/geosciences10120476
	Topographic Thresholds and Soil Preservation along the Southern High Plains Eastern Escarpment, Northwest Texas, USA
	Conley, Travis; Hurst, Stance; Johnson, Eileen
通讯作者	Hurst, S (corresponding author), Texas Tech Univ Museum, 3301 4th St, Lubbock, TX 79415 USA.
来源期刊	GEOSCIENCES
EISSN	2076-3263
出版年	2020
卷号	10 期号:12
英文摘要	The eastern escarpment of the Southern High Plains (USA) is today a semi-arid erosional landscape delineated by canyon breaks and topographic relief. A series of buried soils were identified, described, and sampled at 19 soil profile localities exposed along terraces of the South Fork of the Double Mountain Fork of the Brazos River (South Fork) and two associated tributaries (Spring Creek and Macy 285 drainage). Radiocarbon dating revealed late-Pleistocene to early Holocene (similar to 12,580-9100 C-14 B.P.), middle-Holocene (similar to 6025-4600 C-14 B.P.), and late-Holocene (similar to 2000-800 C-14 B.P.) buried soils. The late-Pleistocene to middle-Holocene soils were preserved only at higher elevations within the upper section of the South Fork and Spring Creek. A topographic position analysis was conducted using GIS to identify and examine the impacts of a soil topographic threshold on the preservation and distribution of buried soils within this geomorphic system. Above the identified similar to 810 m threshold, lateral migration of channels was constrained. Extensive channel migration below the threshold removed older terraces that were replaced with late-Holocene terraces and associated buried soils. Landscape topography constraints on geomorphic processes and soil formation impacted the preservation of archaeological sites in this semi-arid region.
英文关键词	Southern High Plains Texas topographic threshold GIS grasslands soils
类型	Article
语种	英语
开放获取类型	DOAJ Gold
收录类别	ESCI
WOS记录号	WOS:000602154600001
WOS关键词	GEOMORPHIC THRESHOLDS ; EROSION THRESHOLDS ; LANDSCAPE ; POSITION ; LOCALITY ; MODEL
WOS类目	Geosciences, Multidisciplinary
WOS研究方向	Geology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/352591
作者单位	[Conley, Travis; Hurst, Stance; Johnson, Eileen] Texas Tech Univ Museum, 3301 4th St, Lubbock, TX 79415 USA
推荐引用方式 GB/T 7714	Conley, Travis,Hurst, Stance,Johnson, Eileen. Topographic Thresholds and Soil Preservation along the Southern High Plains Eastern Escarpment, Northwest Texas, USA[J],2020,10(12).
APA	Conley, Travis,Hurst, Stance,&Johnson, Eileen.(2020).Topographic Thresholds and Soil Preservation along the Southern High Plains Eastern Escarpment, Northwest Texas, USA.GEOSCIENCES,10(12).
MLA	Conley, Travis,et al."Topographic Thresholds and Soil Preservation along the Southern High Plains Eastern Escarpment, Northwest Texas, USA".GEOSCIENCES 10.12(2020).