Dirt matters. A lot.
In comments about my post about the Harris County problem, Luke pointed out that I’d not really looked at the soil profile under Houston and its neighbors and upstream watershed. That’s in part because I wanted to compress a lot of data into a small post, and because I’m just not familiar with all the details of the soils in that part of the state. Sand or clay, loam, caleche, all respond differently based on the physics and chemistry of the soil and its component parts. I’m not a soils expert, and I’m not a construction engineer. So this is a sort of Dirt and Water 101: The quick and dirty version. Continue reading