科研之友
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摘要
the amazonian populations that live in the floodplains are marked by a water paradox. if in the flood season water is plentiful, during the drought period water is scarce, either not having enough for the people%26apos;s needs or it is inappropriate for human consumption. this paper describes the use of groundwater for public water supply system through a tubular well built in santo antonio floodplain community, in the district of urucar芍, amazonas state. the study has shown the occurrence of variations in the water quality of the well during the cycle of the superficial water, mainly an increase in the level of iron. this indicates a fault in the building process of the well, given that the local groundwater has good quality for consumption. the use of groundwater in public supply system in the floodplain communities in the amazon is technically feasible. however it needs proper well construction techniques in order to preserve the quality of the groundwater of that rich ecosystem.
