Table 1 Trends of future hydrological fluxes and storages.

From: Divergent effects of climate change on future groundwater availability in key mid-latitude aquifers

Variable

Unit

1

2

3

4

5

6

7

Central Valley

Southern Plains

Middle East

Northwestern India

North China Plain

Guarani

Canning Basin

Total precipitation

mm yr−1 dec−1

10.6 ± 5.9

0.7 ± 4.4*

−0.1 ± 2.0*

6.3 ± 7.7

22.8 ± 5.2

10.0 ± 4.0

9.1 ± 6.7

 Rainfall

mm  yr−1 dec−1

22.2 ± 5.6

5.0 ± 4.2

4.3 ± 2.0

8.6 ± 7.6

26.4 ± 5.2

10.0 ± 4.0

9.1 ± 6.7

 Snowfall

mm yr−1  dec−1

−11.6 ± 1.3

−4.3 ± 0.6

−4.4 ± 0.4

−2.3 ± 0.6

−3.6 ± 0.6

−0.1 ± 0.0

0.0 ± 0.0

Total evapotranspiration

mm yr−1 dec−1

2.9 ± 1.4

1.8 ± 3.4

1.6 ± 1.7

2.5 ± 2.8

15.2 ± 1.0

6.4 ± 2.6

3.9 ± 3.4

 Evaporation

mm yr−1 dec−1

4.0 ± 0.9

3.9 ± 1.2

1.5 ± 1.3

4.0 ± 1.0

6.4 ± 0.5

5.8 ± 0.6

6.2 ± 2.5

 Transpiration

mm  yr−1  dec−1

−1.1 ± 0.7

−2.2 ± 2.5

0.1 ± 0.4*

−1.5 ± 2.1

8.8 ± 1.0

0.6 ± 3.0*

−2.3 ± 1.1

Snowmelt

mm  yr−1  dec−1

−13.3 ± 1.6

−4.6 ± 0.6

−5.6 ± 0.6

−3.2 ± 0.8

−3.8 ± 0.7

−0.1 ± 0.0

0.0 ± 0.0

Surface runoff

mm  yr−1  dec−1

2.1 ± 1.3

−1.0 ± 0.6

−0.5 ± 0.2

1.3 ± 1.7

3.9 ± 1.4

2.8 ± 1.0

1.8 ± 1.4

Infiltration

mm yr−1  dec−1

4.5 ± 4.0

−2.3 ± 3.0

−0.7 ± 0.7

1.0 ± 5.3*

12.4 ± 3.7

1.5 ± 3.5

1.2 ± 3.3*

Groundwater recharge

mm yr−1  dec−1

5.5 ± 4.1

−0.2 ± 0.6*

−0.6 ± 0.3

2.0 ± 3.5

3.7 ± 3.7

0.7 ± 0.9

3.3 ± 2.9

Groundwater storage

mm dec−1

1.8 ± 3.3*

−23.3 ± 11.4

−15.2 ± 3.4

7.4 ± 11.1

10.0 ± 5.6

54.3 ± 20.0

3.6 ± 4.3

  1. The mean long-term (2006−2100) trends of hydrological fluxes and storages in the seven aquifers estimated from the ensemble mean of the CESM-LE simulations under the RCP8.5 scenarios.
  2. *Asterisk denotes trends that are not significant (p value larger than 0.05).