Table 2: Damage state definitions from the PERPETUATE project [6].

Scale Damage thresholds DS1 DS2 DS3 DS4
Local λP-S 0.025-0.05 - - -
Macroelement θ DSx 0.5-1.0‰ 1.5-3.0‰ 3.5-5.0‰ 5.5-7.0‰
Global κG, DSx ≥0.5 0.95-1 0.8-0.9 0.6-0.7