Table 2 Table of the decoupling model.

From: Monitoring and analysis of coastal reclamation from 1995–2015 in Tianjin Binhai New Area, China

Period

Change rate of coastal reclamation (%)

GDP change rate (%)

Elasticity value

Type of decoupling

P1(2001–2005)

998.07

123.21

8.10

Expansive negative decoupling

P2(2002–2006)

408.50

125.01

3.27

Expansive negative decoupling

P3(2003–2007)

278.87

125.39

2.22

Expansive negative decoupling

P4(2004–2008)

549.34

130.39

4.21

Expansive negative decoupling

P5(2005–2009)

524.83

136.75

3.84

Expansive negative decoupling

P6(2006–2010)

125.09

145.98

0.86

Expansive coupling

P7(2007–2011)

99.96

152.46

0.66

Weak decoupling

P8(2008–2012)

141.35

148.48

0.95

Expansive coupling

P9(2009–2013)

−12.57

137.50

−0.09

Strong decoupling

P10(2010–2014)

−35.47

121.77

−0.29

Strong decoupling

P11(2011–2015)

−17.16

103.34

−0.17

Strong decoupling

  1. Note: Data in the three main periods (e.g. 2001–2005, 2006–2010 and 2011–2015) are shown in bold for the convenience of identifying decoupling change trends in the whole time series.