Table 2 Types of interaction between influencing factors.

From: Dynamic monitoring and analysis of factors influencing ecological environment quality in northern Anhui, China, based on the Google Earth Engine

Judgments based

Type of interaction

q(X1 ∩ X2) < Min(q(X1), q(X2))

Non-linear reduction

Min(q(X1), q(X2)) < q(X1 ∩ X2) < Max(q(X1), q(X2))

Single-factor non-linear reduction

q(X1 ∩ X2) > Max(q(X1), q(X2))

Two-factor enhancement

q(X1 ∩ X2) = q(X1) + q(X2)

Independent

q(X1 ∩ X2) > q(X1) + q(X2)

Non-linear enhancement

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