Table 2 Increase in precipitation, maximum temperature, and minimum temperature in the short term (2025–2049), medium term (2050–2074), and long term (2075–2099) under scenario RCP4.5/ RCP8.5 relative to the historical baseline period in each county in the upper and middle reaches of the Heihe River basin

Ganzhou

2.37/1.70

2.50/2.62

3.04/4.08

2.19/2.41

3.00/4.33

3.37/6.13

1.85/2.08

2.54/3.86

2.93/5.51

Gaotai

2.26/1.68

2.53/2.60

3.02/3.90

2.21/2.43

3.02/4.41

3.42/6.19

1.97/2.18

2.64/3.97

3.03/5.62

Linze

2.72/2.03

2.92/3.15

3.57/4.60

2.21/2.42

3.03/4.40

3.42/6.19

1.91/2.12

2.56/3.87

2.95/5.50

Minle

2.52/1.79

2.65/2.76

3.20/4.41

2.18/2.39

2.97/4.27

3.33/6.09

1.80/2.03

2.50/3.84

2.90/5.50

Qilian

6.58/5.05

6.67/7.69

8.57/10.53

2.20/2.41

3.05/4.37

3.41/6.18

1.75/1.94

2.37/3.62

2.74/5.25

Shandan

2.65/1.89

2.83/2.90

3.35/4.75

2.17/2.39

2.97/4.26

3.32/6.08

1.81/2.04

2.52/3.86

2.92/5.52

Sunan

2.91/2.17

3.11/3.34

3.82/4.89

2.20/2.42

3.02/4.37

3.40/6.17

1.90/2.11

2.57/3.88

2.95/5.53

Suzhou

2.56/1.91

2.80/2.98

3.39/4.35

2.21/2.42

3.03/4.41

3.42/6.19

1.94/2.15

2.60/3.92

2.99/5.56