What are these water conservancy facilities of Wei and Jin dynasties for?
汉魏洛阳城遗址发现魏晋时期大型水利设施，其作用是什么？
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New discoveries have been made at the ruins of the ancient city from Han to Wei dynasties (202 BC-534) in Luoyang city, said local authority in June of 2022. Archaeologists announced that they have identified the positions, structures and current preservation of the ruins of Qianqiu Gate, a gate of the palace buildings of the Northern Wei Dynasty (386-534), and the ruins of watercourses dating back to the Wei and Jin dynasties (220-420), which deepens the understanding of the architectural layout and functional zoning of the palace area. During the excavation of Qianqiu Gate, archaeologists discovered the stone or brick ruins of watercourses of the Han Dynasty (202 BC-220), the Wei and Jin dynasties (220-420) and the Northern Wei Dynasty (386-534), which were used as channels of water diversion from outside to the palace and vice versa. These facilities reflect the mature skills of water conservancy projects in the Wei and Jin dynasties, as well as the old city's cognition of the planning, transformation, and utilization of water resources.
2022年6月，汉魏洛阳城遗址考古新发现揭晓，确认了千秋门遗址、魏晋时期水道遗迹等位置、形制和保存状况，进一步深化了对宫城区建筑布局和功能分区的认识。同时，在对千秋门门址进行的考古解剖发掘中，发现了汉代、魏晋、北魏时期砖砌、石砌水道遗迹，属于汉魏时期向宫城内引水和向宫城外排水的城市水利系统的重要组成部分。这一整套水利设施集中反映了魏晋时期水利工程的成熟技艺，以及当时都城对水资源环境的规划、改造和利用的认知水平。