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1、第21卷第4期安全與環(huán)境工程Vo1．21NO．42014正7月SafetyandEnvironmentalEngineeringJu1．20l4古夫河上覆水和表層沉積物中總氮和總磷空間分布特征及其相關(guān)性曾露，葛繼穩(wěn)，王自業(yè)，冉桂花，吳述園，唐佳(中國地質(zhì)大學(xué)濕地演化與生態(tài)恢復(fù)湖北省重點(diǎn)實(shí)驗(yàn)室生態(tài)環(huán)境研究所，湖北武漢430074)摘要：對(duì)古夫河于流17個(gè)采樣點(diǎn)的上覆水和表層沉積物中總氮和總磷含量進(jìn)行調(diào)杏，利用多元統(tǒng)計(jì)方法對(duì)數(shù)據(jù)進(jìn)行分析，研究了L覆水和表層沉積物中總氮和總磷含量的空間分布特征及其相關(guān)性。結(jié)果表明：古夫河j：覆水中總氮含量年均值總體上從GF01～G
2、F12樣點(diǎn)遞減，在GF13～GF18樣點(diǎn)增加，部分樣點(diǎn)略有波動(dòng)；上覆水中總磷含量在GF01～GF09樣點(diǎn)變化不顯著，在GF10～GF18樣點(diǎn)分布差異較大；表層沉積物中總氮含量從GF01～GF05樣點(diǎn)旱現(xiàn)先增加后減少的趨勢(shì)，下游無明顯的變化規(guī)律；表層沉積物中總磷含量無明顯的變化規(guī)律；總體古夫河上游卉夫一神農(nóng)架河段卜覆水中總氮含量與表層沉積物中總氮含量無相關(guān)性，而在下游古夫～庫灣河段(GF14～GF18)，上覆水中總氮含量與表層沉積物中總氮含量成顯著正相關(guān)；古夫河上覆水中總磷含量與表層沉積物中總磷含量無相關(guān)性。關(guān)鍵詞：古夫河；上覆水；表層沉積物；總氮；總磷；空間
3、分布特征；相關(guān)性中圖分類號(hào)：X52文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：l671一l556(2014)04—0038—06SpatialDistributionandCorrelationsofTotalNitrogenandTotalPhosphorusinOverlyingWaterandSurfaceSedimentinGufuRiverZENGLu，GEji—wen，WANGZi—ye，RANGuihua，WUShu—yuan，TANGJia(InstituteofEcologyandEnvironmentalSciences，HubeiKeyLaboratory
4、ofWetlandEvolution&EcologicalRestoration，ChinaUniversityofGeosciences，Wuhan430074，China)Abstract：Thecontentoftotalnitrogenandtotalphosphorusinoverlyingwaterandthesurfacesedimentat17sitesofGufuRiverareanalyzedwithmultivariatestatisticalmethodsinordertostudythespatia1distri—butioncha
5、racteristicsandinfluencingfactorsoftotalnitrogenandtotalphosphorusinoverlyingwaterandsurfacesediment．TheresultsindicatethatannualaveragetotalnitrogeninoverlyingwaterofGufuRiverfirstdescendsfromGF01toGF12，andthenthereisafluctuatinguptrendfromGF013tOGF18．Thetotalphosphorusinoverlying
6、waterchangeslittlefromGF01toGF09，andvariesgreatlyfromGF10tOGEl8．ThetotalnitrogeninsedimentsfromGF01toGF05increasesfirstandthendecreaseswithoutsignificantvariationdownstream．Therearenocorrelationsbetweenthecontentsofthetotalnitrogeninsurfacesedi—mentandinoverlyingwaterofGufuRiver，wh
7、iletherearesignificantpositivecorrelationsbetweentotalnitrogeninsurfacesedimentanditsoverlyingwaterfromGF14toGF18．TherearenocorrelationsbetweentotalphosphorusinsurfacesedimentanditsoverlyingwaterofGuruRiver．Keywords：GufuRiver；overlyingwater；surfacesediment；totalnitrogen；totalphosph
8、orus；spatialdistribution；c
