Date Time | Position | Tare (g) | Wet (g) | Dry (g) | rho (g/cm^3) | Moist (%) | Moist (%) | Comments |
|---|---|---|---|---|---|---|---|---|
9/24 09:38 | S9 3-6cm | 8.2+73.3 | 159.2 | 99.2 | 0.27 | 90.3 | 67.4 | Had to undercut sample to break it out of root mat |
| 9/27 15:50 | S15 3-6cm | 8.2+73.3 | 162.9 | 103.9 | 0.34 | 88.8 | 64.7 | Undercut; tenacious roots; rusted corer; core slid w.r.t. rings |
| 10/11 14:30 | S1 3-6cm | 8.2+73.3 | 165.1 | 99.7 | 0.27 | 98.4 | 62.4 | Tenacious roots |
tare = c(8.2+73.3,8.2+73.3,8.2+73.3)
wet = c(159.2,162.9,165.1)-tare
dry = c(99.2,103.9,99.7)-tare
vol = c(3)*pi*(5.31/2)^2
moist = 100*(wet-dry)/vol
rho = dry/vol
m = moist
grav.moist = m
grav.comp = m
ec5 = c(67.4)
matplot(grav.comp,ec5,xlim=c(0,60),ylim=c(0,60)); abline(0,1,lty=2); abline(-8,1,col=3,lty=2)