Would solar geoengineering make dry regions wetter?

Global warming is leading to an intensification of the hydrological cycle. Held and Soden (2006) showed that this global intensification of the hydrological cycle led to a consistent intensification of existing zonal-mean differences in precipitation minus evaporation in climate models. The theoretical explanation for this was that warmer air carries more moisture so all else being equal, in regions and times of divergence moisture will be lost more quickly to the atmosphere and in regions and times of convergence a greater mass of water will be released from the atmosphere. Their pithy summary of this general hydrological response was that wet gets wetter and dry gets drier.