Experimental Study on Unsteady Radon Exhalation from the Overburden Layer of the Uranium Mill Tailings Pond under Rainfall

Figure 4

Variation curves of radon exhalation rate and moisture content, compaction degree is 0.56 (see Figure 4(a)), compaction degree is 0.62 (see Figure 4(b)), compaction degree is 0.70 (see Figure 4(c)), and compaction degree is 0.80 (see Figure 4(d)).

(a)

(b)

(c)

(d)