九龙江上游河岸植被缓冲带土壤对总磷吸附解吸特征研究

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文章编号：1674-6139（2025）06-0173-04

中图分类号：X53文献标志码：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，九龙江流域梯级水电站大量修建，植被景观被转为建设用地[1]，导致流域营养化问题初现。（剩余3939字）