子計畫一

2013年12月24日 發表評論 閱讀評論

計畫名稱:

台江內海近代人文社會及經濟資料與時空地理資訊之整合分析

台南是臺灣文化發展最古老的城市,它過去的名稱「大員(Tayouan)」更是現今「臺灣」的代名詞。按史地之記載,台江內海位於台南西部沿海,近四百年前古台江內海為一座由陸地與濱外沙洲所包圍的大潟湖,而今台江內海不但已經陸化,甚至向西推進數公里遠;其地理環境變化相當巨大,直接影響當地人文社會及經濟的轉變。台江內海長期受到自然及人為因素的影響,自荷治時期以來的各個時期,都出現浮覆陸化的跡象;其在十八世紀以前的陸化發展甚為緩慢,但自十九世紀以後則呈現著加速陸化的情形。特別是道光3年台江內海的變化,不僅是自然環境上由滄海變為桑田的改變,同時也是臺灣政治及經濟重心他移的重要關鍵。

早期臺灣歷史文獻,大多著墨於文字上的敘述,少有地理空間上的呈現及地質地形資料之佐證,更缺乏歷史文獻中所述史事之地理空間的相互對照;爰此,若能藉由時空地理資訊的整合,則應可使地理環境變遷分析得到充分的佐證。本研究擬整合歷史航照影像,利用影像處理及地形地物的對位技術,將近代歷史圖資及影像得以在共通坐標系統的數位平台上予以呈現,並藉之而得以進行地理環境變遷的分析研究。冀期以整合台江地區的人文、地文、水文,以及地質環境等資料,經由圖資的套疊整合及分析技術,瞭解台江地區自荷據時期以來之地文(地理地形)、水文(河川水系) 及人文(社會文化)的變化;並將台江內海地區之水文與地理環境的變遷,透過參考人文方志文獻等史實資料之佐證,分別從自然及人文社會發展的角度來瞭解台江地區整體的「自然、人文、社會、經濟」自始以來的發展脈絡。

關鍵詞:台江內海、地理資訊系統、座標轉換、環境變遷

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Project Title:

Thematic Study on Modern Societal and Economical Development Integrated with the Temporal and Spatial Geographic Information

Tainan is the oldest city where begun the Taiwanese culture development. Its former name, Tayouan, has been claimed to be the origin of the name “Taiwan”. According to the historical records, Tai-Jiang Inner Sea (T-J Inner Sea), located at the western coast of Tainan, has become a dry land from a large lagoon surrounded by land and off-shore sand bars; over the last 400 years. The original coast line had even been westward several kilometers. The tremendous geographic environmental changes had strongly affected the development of local human societies and economic structures. The T-J Inner Sea has been long-term influence by natural and man-made elements. Namely, since the period of Dutch occupation, there were several land-water interacting events; such interaction event was slowly developed during the 18th century, but was accelerated during and after the 19th century. Especially, at the year of 1823, the T-J Inner Sea disappeared after the severe storm which brought in the large volume of sediment and filled up the lagoon. The event might tremendously change the region from inner sea (the lagoon) into dry lands, but also diverted the political and economical centric position from Tainan toward North.

In early studies, there were few evidence to connect the settlements and the social development with the factors such as hydrology, geology, and Geo-morphology; the spatial correlation of the tendency development of villages, religion and economical activities. Nevertheless, the long-term observations for temporal-spatial geographic data may provide some evidential elements for the social and cultural development due to environmental change. In this study, local chronicles, ancient local records map and modern air-photo are to be integrated with hydrogeological, geophysics data and hydrologic data for quantitative analyses. By overlaying different ages maps to evaluate the influence of geographic changes with the spatial characteristics of settlements. Thus, to obtain the transformation parameters is an important task in this study by the discrepancies in measuring standard and technology between of various ages. Furthermore, we will also investigate the most prominent geographical change of river water and coastal line to evaluate local historical revolution and local residential development due to water resources distribution.

Keywords: Tai-jiang Inner Sea, Geographic Information System, Coordinate Transformation, Environmental Change

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