Skip to main content

Table 7 Average annual hydrological components of change in the future related to the base period

From: Projection of hydrological responses to changing future climate of Upper Awash Basin using QSWAT model

Hydrological parameter

Definition of parameter

ρ2030s (%)

ρ2060s (%)

ρ2080s (%)

RCP4.5

RCP8.5

RCP4.5

RCP8.5

RCP4.5

RCP8.5

PRECIP

Total sub-basin precp. during ts* (mm).

12.56

15.38

17.60

31.96

23.90

49.51

SUR_Q

Surface RO** contrbn. to streamflow during ts* (mm)

-51.82

-47.61

-45.10

-26.04

-37.97

-0.31

GW_Q

GW*** contribution to streamflow (mm)

118.14

125.91

139.36

191.17

163.25

254.15

TWYD

Total Water yield (mm)

19.46

25.08

32.06

64.36

45.97

105.01

ET

Actual ET from the sub-basin during ts*(mm).

9.64

11.04

10.90

15.59

13.05

21.10

LAT_Q

LF^ contrbn. to streamflow during ts* (mm)

26.60

30.74

35.11

57.13

44.89

83.62

PERC

Percolation past the root zone during ts* (mm)

78.77

84.80

94.97

135.87

113.26

184.74

PET

PET from the sub-basin during ts* (mm).

-36.09

-36.15

-36.30

-37.59

-37.21

-38.71

SW

Soil water content (mm)

22.19

24.19

27.85

31.15

31.42

40.48

  1. ts* = time step, RO**= runoff, GW***= groundwater and LF^= lateral flow,
  2. Total water yield = SUR_Q + LAT_Q + GW_Q-LOSSES