(Disclaimer: I voted to close one of those question.)
The problem is that the climate is a very complex phenomenon (otherwise there wouldn't be any prolonged debate on global warming... or it wouldn't have lasted that long). There are plenty of parameters that come into the definition of a climate, and to my knowledge, not all are even know to the research. The OP provides some changes to our known world, and typically asks how that affect climate.
Unfortunately, changing one parameter affects many others. Making the result kind of hard to actually predict. Like if the sea was up by 77m around Africa, some piece of lands disappear... how does the climate is affected? Well, it's hard to explain, because that would mean more water on the globe's surface and therefore the global temperature would be affected, probably more water evaporation, more storms, the sea currents would probably be affected as well. Making it hard to provide a definite answer. The same is true for the ice thing. @o.m. actually provides some points about it in the comments.
In the end, we already had a discussion about it, where my (amongst others) view on it is already summarised.