The delta high quality habitat area in square meters from 1980-2000.
dlt_hab
A 3 dimensional array: 12 by 21 by 2 [months, years, deltas]
[ , , 1] North Delta
[ , , 2] South Delta
The North Delta is defined as the area west of and including the Sacramento River below Freeport to Chips Island.
The South Delta is defined as the area east of the Sacramento River below Freeport to Chips Island and the San Joaquin River below Vernalis.
For more details see:
use this link within R delta_habitat
use this link if in a web browser