基于再生水補給的圓明園水量平衡及水環(huán)境管理研究

打開文本圖片集

中圖分類號：X321文獻標志碼：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

圓明園作為中國歷史文化遺產的重要組成部分，其水系景觀不僅是園林藝術的瑰寶，也是生態(tài)系統(tǒng)的重要載體。（剩余5177字）