A Least Cost Analysis: Correlative Modeling of the Chaco Regional Road System

Q1 Social Sciences
S. Field, Carrie C. Heitman, H. Richards-Rissetto
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引用次数: 12

Abstract

During the ninth through twelfth centuries A.D., Ancestral Pueblo people constructed long, straight roads that interconnected the Chaco regional system across the San Juan Basin of northwestern New Mexico. The intent and use of these features has eluded archaeological consensus, although recent research has reiterated the occurrence of long distance timber importation to Chaco Canyon. To enhance our interpretation of these features we offer a large-scale least cost analysis wherein optimal pathways that are modeled to simulate timber importation are compared to the actual road locations. A series of least cost paths were produced through different energy allocation algorithms, at different spatial scales, and with various origin and destination inputs. Our results reveal a strong correlation between actual road locations and modeled pathways. Therefore, we suggest that certain Chaco roads may have been specifically designed to facilitate the importation of timbers and that roads, once constructed, were the optimal pathway for the import of these resources.
最小成本分析:查科地区道路系统的相关建模
在公元九至十二世纪,普韦布洛祖先建造了长而直的道路,将新墨西哥州西北部圣胡安盆地的查科地区系统连接起来。尽管最近的研究重申了长途木材进口到查科峡谷的现象,但这些特征的意图和用途尚未达成考古共识。为了增强我们对这些特征的理解,我们提供了一个大规模的最低成本分析,其中将模拟木材进口的最佳路径与实际道路位置进行比较。通过不同的能量分配算法,在不同的空间尺度上,利用不同的起点和终点输入,产生了一系列成本最低的路径。我们的研究结果揭示了实际道路位置和建模路径之间的强相关性。因此,我们认为,Chaco的某些道路可能是专门为促进木材进口而设计的,一旦建成,道路就是进口这些资源的最佳途径。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
5.50
自引率
0.00%
发文量
12
审稿时长
19 weeks
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