九龍江上游河岸植被緩沖帶土壤對總磷吸附解吸特征研究

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文章編號：1674-6139（2025）06-0173-04

中圖分類號：X53文獻(xiàn)標(biāo)志碼：B

Adsorption and Desorption Characteristics of Total Phosphorus by Soil in Vegetation Buffer Zone Along Upper Reaches of Jiulong River

Ren Tongxuan1，XiLizongl，Luo Han2，Liu Ying'，Shen Binglu1 （1.Gansu Provincial Office of Weather Modification，Lanzhou 73Oooo，China; 2.Nanjing University of Information Science & Technology，Nanjing 210044，China）

Abstract：Duetothelackofin-depthexplorationonthelatermigratioandtransformationprocessofpolutantsfterinterception currentpololotltodsosfspusilfteaio buferzonesinJulogRivereeconductedtosudythdsortionaddesorptiocharacteristicsofposporusinsoilofdfrentvege tationriverbankbuferzonesinteupperreachsofulongRiver，inodertoprovidetheoreticalbasisandpracticalrefereneforon pointsourcepolutioncontrolandtheconstructionofriverbankvegetationbufferzonsinJulongRiverBasin.Teresultsindicatethate absorptionanddesorptionofphosphorusbylandgenerallincreasewiththeincreaseofinitialphosporuscontentDiferentvegetation typesfbuferzneshavealaginposporusdesopionheriparianegetationbuferzonesthatcanabsorbalargeamountofpospor us also have a relatively large amount of desorption after a certain period of accumulation.

KeyWords：JulongRiverBasin；riparianvegetationbuffrzone；Langmuirequationfiting；dsorptionanddesorptioncharacteristics

前言

自2000年以后，九龍江流域梯級水電站大量修建，植被景觀被轉(zhuǎn)為建設(shè)用地[1]，導(dǎo)致流域營養(yǎng)化問題初現(xiàn)。（剩余3939字）