Geoengineering is (un)shockingly imprudent. Do any of the man-made global warming/climate change hypotheses factor in any effects of solar cycles especially in

Geoengineering is (un)shockingly imprudent. Do any of the man-made global warming/climate change hypotheses factor in any effects of solar cycles especially in conjunction with the long term weakening of the geomagnetic field? Are ocean surface temperatures still interpolated and not directly measured?