Surface Heat Island in Shanghai and Its Relationship with Urban Development from 1989 to 2013
Table 2
The LST changes and their relationships with the three LST trends of large increase, little change, and large decrease. LST values were defined as the following scores: very low = 1, low = 2, medium = 3, high = 4, and very high = 5.
Trend
Trend value
Change
Large increase
4
Very low → very high
3
Very low → high; low → very high
2
Very low → medium; low → high; medium → very high
Little change
1
Very low → low; low → medium; medium → high; high → very high
0
The same level (i.e., no change)
−1
Low → very low; medium → low; high → medium; very high → high