利用现代地貌模拟重建墨西哥特斯科科地区的河流-湖泊景观和定居历史

IF 1.4 3区 地球科学 0 ARCHAEOLOGY
Kurt H. Wogau, Carlos E. Cordova, Luis Morett-Alatorre, Guillermo Acosta Ochoa
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引用次数: 0

摘要

位于墨西哥盆地的前特克斯科科湖东岸,在整个全新世维持着各种各样的人类职业,包括前陶瓷时代的狩猎采集者、早期的农业工作者和陶瓷时期的各种定居点。尽管如此,湖岸职业的环境动态尚未得到充分解决。古农业前的特克斯可人遗址(公元前5000年)和晚形成期的tf - lf -14遗址(公元前550-200年)等都处于这种河流-湖泊过渡环境中。在遗址内和周围进行的地层研究很少。因此,很难理解沉积体系在空间和时间上的动力学。这项工作强调并描述了河流-湖泊沉积动力学和由此产生的景观,过去的社会居住在特克斯科科湖的东岸。由于研究区域已经被历史和现代的排水所改变,我们的工作采用了桑迪亚吉洛湖及其主要支流,杜兰戈州的特贾曼河,作为现代模拟物来研究它们的沉积动力学。通过对Texcoco研究区地表地貌的分析,证实了现代模拟解释。为了实现这些目标,我们进行了基于gis的形态测量分析和LANDSAT-8图像,研究了干湿事件下地貌的变化。结果表明,在高降水事件期间,湖泊容量增加,活跃河道分叉少,淹没面少,鸟足三角洲河道存在。相反,低降水事件的特征是湖泊体积减少,河道分叉增加,洪泛平原扩大。因此,这种异质景观提供了丰富的咸水和淡水水生生境自然资源。同时,不断或反复发生的洪水事件给史前定居者带来了一个具有挑战性的景观,他们采用了各种技术,比如在三角洲河道的堤防上建造堤堤,以减少洪水事件的风险和影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Reconstruction of fluvio-lacustrine landscapes and settlement history in the Texcoco region, Mexico, using a modern geomorphic analog

Located in the Basin of Mexico, the eastern shore of former Lake Texcoco sustained a variety of human occupations throughout the Holocene, including preceramic hunter-gatherers, incipient agriculturalists, and a variety of settlements in the ceramic periods. Nonetheless, the environmental dynamics of occupations on the lakeshore have not been fully addressed. The Archaic preagricultural Texcoco Man site (>5000 B.C.E.) and the Late Formative TX-LF-14 site (c. 550-200 B.C.E.), among others, occupy this fluvio-lacustrine transitional environment. Few stratigraphic works in and around the sites have been performed. Consequently, it is difficult to understand the dynamics of the sedimentary system in space and time. This work highlights and describes the fluvio-lacustrine sedimentary dynamics and the resulting landscape that past societies inhabited on the eastern shore of Texcoco Lake. Because the study area has been altered by historic and modern draining, our work employs Lake Santiaguillo and its main tributary, the Tejamen River in the Durango state, as a modern analog to study their sedimentary dynamics. The analyses of surface geomorphology in the Texcoco study area were employed to corroborate the modern analog interpretation. To achieve these goals, we conducted a GIS-based morphometric analysis and LANDSAT-8 imagery to study the variations in landforms through wet and dry events. The results indicate an increase in the lake volume, low bifurcation in the active fluvial channels, few inundated surfaces, and the presence of bird-foot deltaic channels during high precipitation events. In contrast, low precipitation events are characterized by reduced lake volume, increased fluvial channel bifurcation, and expanded floodplains. This heterogeneous landscape thus provided a rich source of diverse natural resources of saline and freshwater aquatic habitats. Simultaneously, constant or recurring flooding events generated a challenging landscape for prehistoric settlers who implemented diverse technologies, such as the construction of tlateles, on the levees of deltaic channels to reduce the risk and impact of flooding events.

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来源期刊
Geoarchaeology-An International Journal
Geoarchaeology-An International Journal 地学-地球科学综合
CiteScore
3.60
自引率
5.90%
发文量
51
审稿时长
>12 weeks
期刊介绍: Geoarchaeology is an interdisciplinary journal published six times per year (in January, March, May, July, September and November). It presents the results of original research at the methodological and theoretical interface between archaeology and the geosciences and includes within its scope: interdisciplinary work focusing on understanding archaeological sites, their environmental context, and particularly site formation processes and how the analysis of sedimentary records can enhance our understanding of human activity in Quaternary environments. Manuscripts should examine the interrelationship between archaeology and the various disciplines within Quaternary science and the Earth Sciences more generally, including, for example: geology, geography, geomorphology, pedology, climatology, oceanography, geochemistry, geochronology, and geophysics. We also welcome papers that deal with the biological record of past human activity through the analysis of faunal and botanical remains and palaeoecological reconstructions that shed light on past human-environment interactions. The journal also welcomes manuscripts concerning the examination and geological context of human fossil remains as well as papers that employ analytical techniques to advance understanding of the composition and origin or material culture such as, for example, ceramics, metals, lithics, building stones, plasters, and cements. Such composition and provenance studies should be strongly grounded in their geological context through, for example, the systematic analysis of potential source materials.
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