Question

Sketch the network diagram showing hydrologic connectivity of the three sub-basins and relevant channel for 1) the catchment shown in Figure 1. List and briefly discuss the steps you will take to compute the catehment response (flood hydrograph) at the outlet (point 2) of the catchment (14 Marks) Sub-basin A Sub-basin B Sub-basin C Figure 1. Drainage Network (Question 1)

Answer 1

Network dingronm housing the aiuem Bvainage Netuork Connectivity the Catehment bounday tor at A the sita Sub-basin A Cotchmeht Sub basin B Boundary torthe at B site Main stream tow ne pasing trough Sub basinc Gub basin c Gutet Point Dendrilic ow Tatten with locathon Aivide rainage Network the

iven drainage network slope have Cortain will The unlined hawe will bed discharge amd maturall formd Umlined with oppropniade chammel I section the stream outlet. [eucha chanmel 9each Storage for

the bComputing is plotied Obtained Flood hydgaph is amd with duralion Aischaorge ied based the gaph to clarsify the stream yield the to dtine hydnognaph roces the Flood invowed Sters ane :- mput ainfau is calulatad by Pumous Toucipitation data DCorrespondingrain ue 4oung meosus stati ons the syslesm Watazshed tor Calchment- diteonine esemtial to Catchment characteristics are atBischenge, Imtralion, tlow ele t put Rume 4doapt Amtt ydogoph is ostainuol by low, elaynd base the bosic A Aucheonge time ghaph givem beloo construcling Their y Teack Bchange a Belay time the Cadchmenmt Predicing il response is Cam be calulatid at sosible

Peak 50 Peak dish Pising 40 Falling Limb 80 A- 20 gtine 30 APPYadh Segment 2D O0:00 12:00 Pay 1 strm an-f ensidydanp Day 2 Normall base)Hlow Barin hag time Prak fant conver h red aph n.as Recesion Limb e Ovelow on be Base o time FLOOD DESCHARGE Ren-otticharge CCunaecs Precipitalion mm)