from The Century Dictionary.
- In natural history, due to degradation; lowered in type through degradation; degenerated: as, a degradational form; degradational structures.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective geology Pertaining to or formed by
from Wiktionary, Creative Commons Attribution/Share-Alike License
Although there are numerous degradational/aggradational cycles within the Chinle Formation, a single unconformable horizon within or at the base of the Sonsela Member that can be traced across the entire western United States (the "Tr-4 unconformity") probably does not exist.
These studies have found evidence of significant transitions from degradational land use trajectories to more sustainable and productive production systems.