CCD	Coupling coordination degree
WRECC	Water resource and environment carrying capacity
GTWR	Geographically and temporally weighted regression
GDP	Gross domestic production
DPSIR	Driving Force-Pressure-State-Impact-Response
LISA	Local indicator of spatial association
OLS	Ordinary least squares
R&D	Research and development
PPM	Projection pursuit model
POD	Population density
PSR	Pressure- State-Response
AGDP	Added value of the tertiary industry as a part of GDP