Question

Question 3 The following Table gives monthly flows, precipitation, evaporation and demand rates for a critical 12- month period at a proposed reservoir site. Existing water rights require a monthly release of 10000 m'. The average reservoir area is 4 km2. Compute the required reservoir capacity. Mo Natural Monthly Monthly Monthly Water mean Pptn Evapn Demand Rights flow Release (10 m) (mm) (mm) (10ʻm') (10 m) 1 3.37 130 50 0.75 0.1 2 3.03 53 83 1.05 0.1 3 3.71 45 88 1.35 0.1 4 1.47 30 105 2.10 0.1 5 0.57 13 153 2.42 0.1 6 0.25 5 205 2.63 0.1 7 0.60 3 260 2.58 0.1 8 1.25 0 278 2.30 0.1 9 3.75 28 180 1.14 0.1 10 4.00 80 128 0.91 0.1 11 4.20 113 80 0.82 0.1 12 4.30 145 13 0.65 0.1 Marks: 20

Answer 1

Solution:

For First month (3.37 -0.75 -0.1+ (0.13-0.05)* Heeso As, - 4 106. (2.25 +0.31) x 10 m3 2.84 X 106 m3 For second month Ds,= (3.63 - 1.05 -0.1) x lor € + (0-053- 0.083) 4x10 6 6 (1.88) x 10 12 x 10 3 11 1376 X 106 m

A s3 = For Third month (3.71–135 -0.1)x106+ Coroys -0.688) Xux 106 (2.26 -0.172) x106 2.088 X los m3 For fourth month Asy (1.47-2.10-0.1) xio+(0.03 -0.105) x Чx 10 -0.3 x 10 - 1177 x lo'm -0.877 X10 C 3 for fifth month : ossa (0.57-2.42 -0.1)* 106 + 10.013 -0.153) xчx 106 (-1.95-0.56) xiol -2.51 xiofm3 A56 For sixth month : 10.25-2.63-0.1) x106+ (0.005-0.20s) (-248 ) x106-(0.84 109) 3.28 x 106 mp3 xlorxu

For seventh month 10.60- 2.58 - 0.1) + (0.003 - 0.260) x10 -3 108 x 10 m 3 x lom? ASA For fiatat month {(1.25- 2.30-0.1) + (0-0.278)*44 458 Xloc -2.262 x 106 m3 For Ninth month os9 = {(3.75-1.14 -0.1) + (0.028-0.180) x 4 } xio' (2.51 -0.608) x106 1.902x 100 m3 . For tenth month DSIO (4.00 -0.91-01) x106+ (0.08-0.128) باله 6 2. 798 x 106 m? x 4 x 106 For Eleventh morth DSI (4.20-0-82-0.1) 8106+ (0.13-0.008) Xux loc 3.412 x 106 m3

th For 12 DS12 month [14.30 -0.65 -0.1) + (0.14 5-0.018) Xuy Xiol 4.078 xio m3 :. Net change in storage =6.541 Xlom capacity of resources - Mangosny = 4.078x10 m 3 * * ans wor слол please Please like this so that į can get small ben fit please support you * * me Thank mu
***please please like this answer so that I can get a small benefit. Please support me. Thankyou***