Although the highlands of the Americas have many sources of water, when a settlement grows to a significant size its inhabitants may find a need for access to more fresh water than is currently at hand, and the Aqueduct is sometimes a simpler solution than relocating.
Channels are either formed by construction of a stone causeway, or simply by carving a channel in the face of mountain sides to allow water to flow from natural springs and high-altitude lakes down to the people below.
儘管美洲高原水源豐富,但當城邑人口增長到一定數量,居民們對生活用水的需求亦會隨之提高,引水溝渠的出現解決了這一問題,從而不必由於供水不足而進行人口分流。
引水溝渠通常為石製管渠或直接在山巖上掘出渠槽,這樣淨水即可從山泉或高山湖泊向下流入人口聚居區。 |