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Flood vulnerability assessment of donstream area in Mono basin in Yoto district, south-eastern Togo


par Abravi Essenam KISSI
University of Lome - Master 2014
  

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ANNEXES

Annexe 1 : Statistical summary of Annual and monthly precipitation for Tabligbo

Tabligbo station

Minimum

Maximum

Median

Mean

Stdev

Variance

CV

Skewness

Annual

674

1341.5

1005.1

1016.258

179.610

32259.59

0.177

-0.165

Jan

0

50

1.45

7.967

12.64

159.77

1.586

1.851

Feb

0

121.5

24.15

31.8

33.716

1136.79

1.06

1.313

Mar

0.1

309.6

93.850

96.262

60.612

3673.82

0.630

1.050

Apr

24.3

264.3

107.3

118.378

57.584

3315.97

0.486

0.641

May

45.3

325.5

142.75

152.712

59.196

3504.16

0.388

0.514

Jun

44.8

288.9

165.95

159.647

56.391

3179.93

0.353

0.015

Jul

4.8

209.7

79.75

89.19

52.361

2741.71

0.587

0.526

Aug

2.2

213.6

46.55

53.655

44.726

2000.44

0.834

1.562

Sept

0.2

291.3

109.500

120.9

69.310

57.122

35.206

33.334

Oct

28

313.3

135.55

130.06

57.122

3262.92

0.439

0.701

Nov

0

161.4

29.950

39.980

35.206

1239.45

0.881

1.347

Dec

0

194.1

3.5

15.705

33.334

111.123

2.122

4.263

Annexe 2: Mann-Kendall test results of annual, monthly and seasonal precipitation

 

Mann Kendall

Statistic (S)

p-value (two tailed test)

alpha

Sen's slope estimate

Test Interpretation

Jan

10

0.153

0.05

-0.073

Accept H0

Feb

-123

0.291

0.05

-0.560

Accept H0

Mar

- 31

0.651

0.05

-0.069

Accept H0

Apr

39

1.000

0.05

0.353

Accept H0

May

53

1.000

0.05

0.285

Accept H0

Jun

114

0.291

0.05

1.134

Accept H0

Jul

115

1.000

0.05

0.980

Accept H0

Aug

57

0.651

0.05

0.153

Accept H0

sept

-20

0.451

0.05

-0.480

Accept H0

Oct

122

0.175

0.05

1.307

Accept H0

Nov

119

0.760

0.05

0.699

Accept H0

Dec

-33

0.532

0.05

-0.191

Accept H0

Annual

122

0.159

0.05

3.434

Accept H0

High rainy season

-16.

0.861

0.05

-0.063

Accept H0

High dry season

119

0.169

0.05

0.703

Accept H0

Small dry season

61

0.484

0.05

0.349

Accept H0

Small rainy season

52

0.552

0.05

0.468

Accept H0

Annexe 3 : Statistical summary of Annual and monthly Flow for Athieme

Athieme Station

Minimum

Maximum

Median

Mean

stdev

Variance

CV

skewness

Annual

19.089

262.408

102.970

114.985

58.998

3480.749

0.513

0.725

Mar

0.180

132.952

20.762

40.509

43.749

1913.998

1.080

0.662

Apr

0.380

136.863

21.648

369.902

39.073

1526.688

0.979

0.560

May

0.790

141.390

28.752

47.229

47.705

2275.808

1.010

0.779

Jun

1.928

257.758

56.581

67.245

59.815

3577.842

0.890

1.213

Jul

6.094

359.385

105.551

128.895

91.771

8421.840

0.712

1.055

Aug

21.945

588.352

221.125

230.096

141.150

19923.299

0.613

0.953

Sept

35.190

731.677

302.805

333.442

189.934

36074.800

0.570

0.435

Oct

19.369

736.705

214.869

237.667

155.241

24099.804

0.653

1.153

Nov

1.589

281.567

75.072

91.686

75.570

5710.826

0.882

0.867

Dec

0.966

490.532

31.336

66.880

89.258

7967.078

1.335

2.934

Jan

0.429

248.383

35.203

51.203

56.458

3187.500

1.094

1.269

Feb

0.389

225.486

37.751

44.683

49.629

2463.063

1.111

1.409

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