工程水文学课后题答案4-2(修正版)

时段 Q实(m³/s)雨量(mm) 降 hs Rs I0 Δ Qg Qs 1.00 10.00 5.30 45.40 5.30 0.27 10.00 0.00 2.00 9.00 38.30 35.30 9.00 0.00 3.00 30.00 13.10 10.10 9.27 20.73 4.00 106.00 2.80 9.53 96.47 5.00 324.00 59.50 9.80 314.20 6.00 190.00 径流深45.4 10.07 179.93 7.00 117.00 10.33 106.67 8.00 80.00 10.60 69.40 9.00 56.00 10.87 45.13 10.00 41.00 11.13 29.87 11.00 34.00 11.40 22.60 12.00 28.00 11.67 16.33 13.00 23.00 11.93 11.07 14.00 20.00 12.20 7.80 15.00 17.00 12.47 4.53 16.00 15.00 12.73 2.27 17.00 13.00 13.00 0.00 18.00 12.00 19.00 11.00 927.00 20.00 10.00 21.00 9.00 Rs=∑Qs*Δ t/(1000F)= 45.40 假设没有后期不产流，即P0=0 f=(P-R-I0-P0)/t= 0.49 f*Δ t= 2.932 >2.8 重新假设P0=2.8 所以假设不成立

f=(P-R-I0-P0)/t= 0.50 f*Δ t= 2.997 <13.1<38.8 以假设成立 所

45

40 3530

2520 系列1

15 105

0 0 2 4 6 8 10

时段Q实（m³/s）降雨量（mm）hsRs I0ΔQgQs

1.0010.005.3045.405.300.2710.002.009.0038.3035.309.003.0030.0013.1010.109.274.00106.002.809.535.00324.0059.509.806.00190.00径流深45.410.077.00117.0010.338.0080.0010.609.0056.0010.8710.0041.0011.1311.0034.0011.4012.0028.0011.6713.0023.0011.9314.0020.0012.2015.0017.0012.4716.0015.0012.7317.0013.0013.0018.0012.0019.0011.0020.0010.0021.009.00Rs=∑Qs*Δt/(1000F)=45.40

假设没有后期不产流，即P0=0f=(P-R-I0-P0)/t=0.49

f*Δt=2.932>2.8所以假设不成立

重新假设P0=2.8

f=(P-R-I0-P0)/t=0.50f*Δt=2.997<13.1<38.8所以假设成立

0.000.0020.7396.47314.20179.93106.6769.4045.1329.8722.6016.3311.077.804.532.270.00927.00

Qs1

Qs2

q

q修

s(t)

s(t-12)

s-s(t-12)q(12)

q(12)

20.73 90.53 288.29 97.44 78.78 46.85 31.73 20.79 16.65 11.57 7.76 5.58 2.94 1.43 0.00

5.93 25.91 82.50 27.88 22.55 13.41 9.08 5.95 4.76 3.31 2.22 1.60 0.84 0.41 0.00

5.87 25.65 81.66 27.60 22.32 13.27 8.99 5.89 4.72 3.28 2.20 1.58 0.83 0.40 0.00 0.00 204.26 10.00

5.90 25.65 81.66 30.00 20.00 13.27 8.99 5.89 4.50 3.28 2.20 1.58 0.83 0.40 0.00 0.00 204.15 10.00

5.87 31.52 113.18 142.18 162.18 175.46 184.44 190.33 195.05 198.33 200.52 202.10 202.93 203.34 203.34 203.34

5.87 31.52 113.18 142.18 162.18 175.46 184.44 190.33 195.05 198.33 200.52 202.10 202.93 203.34 203.34 203.34

5.87 25.65 81.66 29.00 20.00 13.27 8.99 5.89 4.72 3.28 2.20 1.58 0.83 0.40 0.00 0.00

2.94 40.83 10.00 4.49 2.36 1.10 0.42 0.00 62.14

2.94 40.83 10.00 4.49 2.36 1.10 0.42 0.00

90.00 80.00 70.0060.00

50.00 40.0030.00 20.00 系列1

10.00 0.00(10.00) 0

5

10

15

20

Qs1Qs2qq修s(t)s(t-12)s-s(t-12)q(12)q（12）

20.7390.53288.2997.4478.7846.8531.7320.7916.6511.577.765.582.941.430.00

5.9325.9182.5027.8822.5513.419.085.954.763.312.221.600.840.410.00

5.8725.6581.6627.6022.3213.278.995.894.723.282.201.580.830.400.000.00204.2610.00

5.9025.6581.6630.0020.0013.278.995.894.503.282.201.580.830.400.000.00204.1510.00

5.8731.52113.18142.18162.18175.46184.44190.33195.05198.33200.52202.10202.93203.34203.34203.34

5.8731.52113.18142.18162.18175.46184.44190.33195.05198.33200.52202.10202.93203.34203.34203.34

5.8725.6581.6629.0020.0013.278.995.894.723.282.201.580.830.400.000.00

2.9440.8310.004.492.361.100.420.0062.14

2.9440.8310.004.492.361.100.420.00