Table 1 Classification of the intensity of the change in CDI
From: Decoupling effect and driving factors of carbon footprint in megacity Wuhan, Central China
Ecological pressure grade zone | Relief | Mild enhancement | Moderate enhancement | Severely enhancement | Extremely enhancement |
|---|---|---|---|---|---|
CDI value range (%) | (− ∞, 0) | (0, 100] | (100, 200] | (200, 500] | (500, + ∞] |