For shots like this your not going to be able to get a shot with the ground and the sky "properly" exposed with the Camera alone, there is just too much difference in the amount of light.

Options:
1. Gradient ND Filter, so that the Sky is exposed less than the ground. but I doubt this will make enough difference for Direct sun shots, or enough to get a good exposure on the ground without blowing out the sun.

2. HDR - High Dynamic Range pics.. where you take several photos of differing exposure, each one having part of the photo exposed as you'd like then re-combining them in PhotoMatix/Photoshop or other HDR tools.

3. Burning/Dodging.. you "might" have enough info in the ground to dodge it back in again, but if you do then it's likely to come back with a lot of noise.


If I was taking this shot, I'd try a Gradient ND firstly (cause I've got one I never use), and then likely do multishots to expose sky/ground and attempt to recombine on the pc.