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1、AdvancesinGeosciences地球科学前沿,2017,7(4),500-512PublishedOnlineAugust2017inHans.http://www.hanspub.org/journal/aghttps://doi.org/10.12677/ag.2017.74052SeasonalVariationCharacteristicsandTrendofWaterQualityParametersinLakeYangzongNaCai,HucaiZhang*,FengqinChang,LizengDuan,Huayon
2、gLi,YunyingZhang,XinyuWen,NanLi,YangZhangKeyLaboratoryofPlateauLakeEcology&GlobalChange,YunnanProvincialKeyLaboratoryofGeographicalProcessandEnvironmentalChangeonthePlateau,CollegeofTourismandGeographyScience,YunnanNormalUniversity,KunmingYunnanstththReceived:Jul.21,2017;ac
3、cepted:Aug.7,2017;published:Aug.11,2017AbstractInordertounderstandtheseasonalvariationcharacteristicsandtrendofwaterqualityparame-tersinLakeYangzong,watertemperature,dissolvedoxygen(DO),pH,conductivity,chlorophyll-aandphycocyaninweremonitoredfrom2013to2106indifferentseasons
4、.Intheseparameters,thephycocyaninmainlyexistsinthecyanobacteria,whileChlorophyll-aisfoundinallalgae.So,theratioofphycocyaninandchlorophyll-acanbeusedtorepresenttherelativeamountofcyanobac-teriainwater.Seasonalvariationcharacteristicsofwaterqualityparametersandcyanophyterel-
5、ativequantityindex(CRQI)showedthat:LakeYangzongbelongstowarmmonomicticlakes,theminimumwatertemperatureishigherthan4˚C,thermalstratificationphenomenonwasobservedinspring,summerandautumn,andthewatermixedinwinter;thermalstratificationandmixturehadinfluencesonverticaldistributi
6、onofotherwaterqualityparameters,variationtrendsofallparametersarebasicallyconsistent;CyanophyteRelativeQuantityIndex(CRQI)inspring,sum-merandautumnishigherthanwinter,andincreasedinApril2016,whichwashigherthanthatinApril2015.Inparticular,thereisasharpincreaseinthesouthernreg
7、ionofthelake,whereriversbroughtalotofsewage.Thisindicatesthathumanactivitieshavecontributedtothedeteriorationofwaterquality.KeywordsDeepLake,WaterQualityParameter,TemporalandSpatialVariation,Phycocyanin,CyanophyteRelativeQuantityIndex,Conductivity,LakeYangzong阳宗海水质参数季节性变化特征
8、及趋势*蔡娜,张虎才,常风琴,段立曾,李华勇,张云鹰,文新宇,李楠,张扬*通讯作者。文章引用:蔡娜,张虎才,常风琴,段立曾,李华勇,张云鹰,文新宇,李楠,张扬.阳宗