東平湖沉積物中營(yíng)養(yǎng)鹽分布特征與其污染釋放規(guī)律分析

東平湖沉積物中營(yíng)養(yǎng)鹽分布特征與其污染釋放規(guī)律分析

ID:33821732

大?。?.25 MB

頁(yè)數(shù):43頁(yè)

時(shí)間:2019-03-01

東平湖沉積物中營(yíng)養(yǎng)鹽分布特征與其污染釋放規(guī)律分析_第1頁(yè)
東平湖沉積物中營(yíng)養(yǎng)鹽分布特征與其污染釋放規(guī)律分析_第2頁(yè)
東平湖沉積物中營(yíng)養(yǎng)鹽分布特征與其污染釋放規(guī)律分析_第3頁(yè)
東平湖沉積物中營(yíng)養(yǎng)鹽分布特征與其污染釋放規(guī)律分析_第4頁(yè)
東平湖沉積物中營(yíng)養(yǎng)鹽分布特征與其污染釋放規(guī)律分析_第5頁(yè)
資源描述:

《東平湖沉積物中營(yíng)養(yǎng)鹽分布特征與其污染釋放規(guī)律分析》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫(kù)。

1、山東建筑大學(xué)碩士學(xué)位論文sedimentofDongpingLakeshowedthat,theTNandTPconcentrationsin5~10cmdepthsedimentsampleswerehighest,andtheconcentrationsofTN,TPandOMwere127.11mg/kg,349.49mg/kgand61947mg/kg,respectively.ItshowedthatthecontaminationofsedimentinDongpingLakewasinfluencedbyhuman

2、activitiesThephosphorusformsinsedimentofdifferentdepthsshowedthat,theNaOH.Pcontentswerethehighest,andIP-Pcontentswerethesecondhighest.AsthedepthofsedimentinDongpingLakeincreased,therewerenoobviouscorrelationsamongthedifferentformsofphosphorus.Astheresultsofevaluation

3、sshowed,phosphoruswasmostsevereenrichmentinthesedimentsatsitesaroundofLashanWharfandestuaryofDawenRiver.ThesedimentinDongpingLakeWaspollutedmoreseverebyOM,andmostofsedimentWasaroundtheestuaryofDawenRiverThestaticreleaseofnitrogen,phosphorusandorganicmattersinsediment

4、ofDongpingLakeshowedthat,thereleasecontentsofNHa+-N,TN,SRPlTPandCODwerehighestatthe2l,16,2l,33and28day,respectively,thecontentswere0.46-1.03mg/L,1.15-2.15mg/L,0.03~0.23mg/L,0.01-0.15mg九and18~33mrdL,respectively.Theadsorption—desorptionexperimentshowedthat,theriskofnu

5、trientreleasewouldhappenontosediment-waterinterfaceduringtheexchangeofnutrientInthisstudy,thenutrientsandorganicmatterdistributionandreleasecharacteristicsofthesurfacesedimentsinDongpingLakewereinvestigatedandtheresultcanofferscientificinformationonmanagementofDongpi

6、ngLakeforlocalgovernmentKeywords:DongpingLake,sediment,nutrient,organicmatters,staticrelease,adsorption—desorption山東建筑大學(xué)碩士學(xué)位論文目錄摘要??????????????????????????????IABSTRACT????????????????????????????????????.1lI第1章緒論1.1研究背景???????????????????????????????.1.1.2國(guó)內(nèi)外研究現(xiàn)狀??

7、??????????????????????????.1.1.2.1湖泊的內(nèi)源污染???????????????????????????.1.1.2.2湖泊沉積物污染的評(píng)價(jià)方法??????????????????????.2.1.2.3沉積物.水界面氮磷遷移轉(zhuǎn)化??????????????????????.6.1.3研究的目的及意義???????????????????????????.7.1.4課題研究?jī)?nèi)容?????????????????????????????.8.第2章材料與方法2.1研究區(qū)域概況????????????

8、?????????????????.9.2.1.1東平湖概況?????????????????????????????.9.2.1.2東平湖的污染現(xiàn)狀??????????????????????????.9.2.1.3東平湖在南水北調(diào)工程中的重要性???????

當(dāng)前文檔最多預(yù)覽五頁(yè),下載文檔查看全文

此文檔下載收益歸作者所有

當(dāng)前文檔最多預(yù)覽五頁(yè),下載文檔查看全文
溫馨提示:
1. 部分包含數(shù)學(xué)公式或PPT動(dòng)畫(huà)的文件,查看預(yù)覽時(shí)可能會(huì)顯示錯(cuò)亂或異常,文件下載后無(wú)此問(wèn)題,請(qǐng)放心下載。
2. 本文檔由用戶(hù)上傳,版權(quán)歸屬用戶(hù),天天文庫(kù)負(fù)責(zé)整理代發(fā)布。如果您對(duì)本文檔版權(quán)有爭(zhēng)議請(qǐng)及時(shí)聯(lián)系客服。
3. 下載前請(qǐng)仔細(xì)閱讀文檔內(nèi)容,確認(rèn)文檔內(nèi)容符合您的需求后進(jìn)行下載,若出現(xiàn)內(nèi)容與標(biāo)題不符可向本站投訴處理。
4. 下載文檔時(shí)可能由于網(wǎng)絡(luò)波動(dòng)等原因無(wú)法下載或下載錯(cuò)誤,付費(fèi)完成后未能成功下載的用戶(hù)請(qǐng)聯(lián)系客服處理。