An Ancient Irrigation Canal in the Pampa Tamarugal (Chile)

摘要: ABSTRACTSouthwest of Tarapaca Valley, in the Pampa Tamarugal northern Chile, remains a canal were discovered running south for more than 6 km. Mapping and excavations indicated that this narrow (about 3 m) shallow 0.5 construction was intended to divert water from perennial River, combine with occasional run-off mountains east, irrigate system agricultural fields depression on pampa. Several piles rocks (cairns) cleared lines (geoglyphs) seen vicinity canal. The recovered pottery sherds identified as belonging Pica-Charcollo tradition (800–1500 c.e.), while four radiocarbon dates excavated wood charcoal clustered around 1400–1600 c.e. This places time colonization area by Inka Empire, which made Valley into regional center mining marine resources. rationale behind its is likely combination need miti...