基于再生水补给的圆明园水量平衡及水环境管理研究

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中图分类号：X321文献标志码：A

Research on Water Balance and Water Environment Management of Yuanmingyuan Based on Regenerated Water Supply

Meng Yuan1，Zhang Xiaonan1，Luo Qian1，Hu Lin²，Wang Ting （1.College ofHorticulture，China Agricultural University，Beijing1OO193，China； 2.Collge of Resources and Environmental Sciences，China Agricultural University，Beijing 100l93，China； 3．Water Conservation Management Center of Beijing，Beijing1OoO38，China）

Abstract：InodertoprovidesietficbasisforthewaterenviomentmanagementofYuanminguan，ighdefiitiosateliteim agedatacombinedwithvectoranalysis methodwereusedtostudythelanduseandwatersystemstatusofYuanmingyuan.Basedondaily meleorologicaldatafromBeijingoverthepast3Oyears，ananalysiswasconductedonthewatersuplyandconsumptionbalanceofthe Yuanmingyuanwaterareabyombiingwitunoffcoefcntsofdifrentunderlingsfaces，rgtionwateronsumptionquotas，and lakebotomleakagecoeffcients.TheannualwatersurfaceevaporationconsumptionoftheYuanmingyuanwaterarearangesfrom1.0100 to 1.057 6 million m3 ．The annual irrigation water consumption ranges from 496 100 to 722800m3 .The largest water consumption of the Yuanmingyuan water system is leakage，accounting for about 78% of the total water consumption．The average annual replenishment of recycled water from 2016 to 2022 is 6.4681 million m3 ．The quality of recycled water does not meet the requirements of water environment quality，and the mainproblemisthatthe total nitrogen exceeds the standard severely.For every1million m3 of recycled water added，it is necessary to remove 8.98～9.48 tons of total nitrogen through various water purification pathways.

Key words：Yuanmingyuan；recycled water supplement；water balance；water purification；nitrogenremoval

前言

圆明园作为中国历史文化遗产的重要组成部分，其水系景观不仅是园林艺术的瑰宝，也是生态系统的重要载体。（剩余5177字）