Table 2 June–July–August (JJA) and December–January–February (DJF) mean percent changes in temperature metrics under RCP8.5, GLENS, GEQ, Solar3x3, Solar1x1 ensemble mean (2075–2095) and GEOHEATS ensemble mean relative to the baseline ensemble mean (RCP8.5 runs during 2010–2030).

From: Changes in Hadley circulation and intertropical convergence zone under strategic stratospheric aerosol geoengineering

 

Change relative to the baseline

Tropical static stability

Meridional temperature gradient

Subtropical tropopause height

T1_surface

T1_troposphere

JJA

RCP8.5

10.7 ± 0.2%

−4.0 ± 0.7%

4.0 ± 0.2%

9.6 ± 0.4%

4.4 ± 0.4%

GLENS

−1.0 ± 0.1%

3.8 ± 0.4%

−6.7 ± 0.1%

1.1 ± 0.2%

−1.0 ± 0.2%

GEQ

−2.7 ± 0.2%

2.4 ± 0.8%

−9.8 ± 0.2%

−0.1 ± 0.4%

1.5 ± 0.4%

Solar3x3

−1.6 ± 0.2%

−0.2 ± 0.7%

−0.1 ± 0.1%

−2.2 ± 0.3%

−3.6 ± 0.4%

Solar1x1

−2.7 ± 0.2%

0.9 ± 0.6%

−0.9 ± 0.1%

2.9 ± 0.3%

2.4 ± 0.3%

GEOHEATS

0.9 ± 0.2%

1.6 ± 0.6%

−6.1 ± 0.1%

1.8 ± 0.3%

1.2 ± 0.3%

DJF

RCP8.5

9.1 ± 0.2%

−7.8 ± 0.6%

3.6 ± 0.2%

−23.2 ± 0.7%

−13.9 ± 0.8%

GLENS

−0.5 ± 0.1%

1.2 ± 0.3%

−7.1 ± 0.1%

0.5 ± 0.3%

4.2 ± 0.4%

GEQ

−2.5 ± 0.2%

−4.0 ± 0.6%

−9.8 ± 0.2%

0.1 ± 0.7%

5.9 ± 0.8%

Solar3x3

−1.0 ± 0.2%

−0.1 ± 0.6%

−0.9 ± 0.2%

−2.0 ± 0.6%

2.3 ± 0.7%

Solar1x1

−4.2 ± 0.2%

−4.4 ± 0.5%

−0.6 ± 0.2%

−15.7 ± 0.7%

−8.9 ± 0.9%

GEOHEATS

1.2 ± 0.2%

−0.2 ± 0.5%

−3.0 ± 0.1%

−0.6 ± 0.5%

−0.3 ± 0.6%

  1. Percent changes represent the experiment minus the baseline divided by the baseline value. ± range that indicates the standard error in estimating the change.