Catchment Analyses and Hunting-fishing Landscape of the OLP III／IV Phase Sites
Date Issued
2012
Date
2012
Author(s)
Liu, Ting-Yu
Abstract
Through calculation of cost surface, GIS transfers the site catchment analysis from simple geometric circle to irregular range in consideration of different cost of transportation over landscapes. Taking both terrestrial and marine data into consideration, different accessibility of resource within a site catchment can be understood more detail, and archaeologists can create a model of interaction between sites and environment.
O-luan-pi III／IV is a Neolithic cultural phase about 2000 to 3000 B.P. in Southern Taiwan. The sites belong to this cultural phase are located in coastal area, and are seen as contemporary subsistence independence all-year residential settlements according to pottery style, artifact functions, and weather environment.
However, the geometric distance of these sites are not regular, some sites are closer to each other. The activity catchment of those contemporary sites with closer distance may interrupt each other.
According to the location of six sites of O-luan-pi III／IV phase, and through the analysis of cost-surface and viewshed of digital elevation model (DEM) in GIS, I divide the coastal area of O-luan-pi peninsula into four different landscape rooms. Two landscape rooms were separately occupied by each single site, and the other two landscape rooms have two sites within them. It seems that catchments of those sites sharing the same landscape room may overlap with each other, and it is inevitable that the activities of sites will influence each other on land.
However, through the analyses of current and wind data, it appears that those sites sharing the same landscape room have different accessibility to terrestrial and marine environment. These variations may lead those sites maintain their independent site catchments rather than competing resources to each other.
Subjects
OLP III／IV phase
catchment analysis
cost surface
viewshed analysis
fauna remains
landscape room
SDGs
Type
thesis
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