2019级水文与水资源工程《水文学原理》.docxVIP

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南京信息工程大学试卷

2020－2021学年第2学期水文学原理课程试卷(A卷)

本试卷共6页；考试时间120分钟；任课教师黄鹏年,张小娜；出卷时间2021年6月

学院专业年级班学号姓名得分

一、GivetheanswerofquestionswithTrue(T)orFalse(F)(1′×9=9′)

1.Ingeneral,theconstantofchannelmaintenance（河道维持常数）islarge,whichindicatesthatthisareaisrelativelydry.()

2.Theglobalaverageannualprecipitationisequaltotheaverageannualevaporation.()

3.Topographicrain（地形雨）usuallyoccursinthehotafternooninsummer,withlargeintensity,smallareaandshortduration.()

4.Thefieldcapacity（田间持水量）islessthanmoisturecontentatcapillaryrupture（毛管断裂含水量）.()

5.Saturatedhydraulicconductivity（饱和水力传导度）isafunctionofsoilwatercontent.()

6.Hysteresis（滞后现象）inthemoisturecontent-suctioncurveofasoil(suctionisanegativepress)isrelatedtothegeometryofthepores.()

7.Thekinematicwavemethodisapplicabletomountainfloodandoverlandflow.()

8.Themainconfluencedifferenceofdifferentrunoffcomponentsoccursintheprocessofrivernetworkconfluence.()

9.Fordiffusionwave,therelationshipbetweenwaterlevelanddischargeisasinglevaluedfunction.()

二、Fillintheblank(1.5′×6=9′)

1.Theriverlengthperunitwatershedareaiscalled.

2.Thepotentialisequalto0inunsaturatedsoil.Thepotentialis

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equalto0insaturatedsoil.

3.Whentherainfallrateislargerthantheinfiltrationcapacity,overlandflowoccurs.

4.ThemomentumequationintheSaint-Venantequationsincludeslocalinertiaterm,convectiveinertiaterm,term,frictiontermandbedgradientterm.

5.Thewatershedcandelay（推移）andsmoothing（坦化）theconcentrationprocess.Inhydrology,threelinearconceptualelements