Fig. 1. Water retention curve of Tottori dune sand for drying from saturation. Fitted line is the van Genuchten retention function, (
- r)/(s - r) = [1 + (
|h|)n]-1+1/n, with s = 0.35, r = 0.05, = 0.05, and n = 5.2.
Fig. 1. Water retention curve of Tottori dune sand for drying from saturation. Fitted line is the van Genuchten retention function, ( - r)/(s - r) = [1 + (|h|)n]-1+1/n, with s = 0.35, r = 0.05, = 0.05, and n = 5.2.