Table 7 Adjusted overall R2 for different pollutants by year.

From: China industrial environmental database 1998–2015

 

Data type

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

2008

2009

2010

2011

2012

2013

2014

2015

COD

Discharge

0.9531

0.9883

0.9879

0.9970

0.9962

0.9960

0.9959

0.9976

0.9954

0.9983

0.9984

0.9973

0.9944

0.9991

0.9988

0.9986

0.9982

0.9973

Removal

0.9460

0.9986

0.9999

0.9990

0.9991

0.9988

0.9992

1.0000

0.9955

0.9999

1.0000

1.0000

0.9999

1.0000

0.9996

0.9996

0.9996

0.9982

SO2

Discharge

0.9852

0.9947

0.9959

0.9992

0.9990

0.9972

0.9993

0.9997

0.9986

0.9997

0.9998

0.9996

0.9995

0.9998

0.9997

0.9996

0.9994

0.9991

Removal

0.9778

0.9938

0.9999

0.9983

0.9998

0.9974

0.9975

0.9991

0.9933

0.9999

1.0000

1.0000

1.0000

1.0000

1.0000

0.9992

0.9986

0.9991

NH3-N

Discharge

   

0.9976

0.9983

0.9991

0.9980

0.9976

0.9966

0.9986

0.9989

0.9987

0.9974

0.9996

0.9993

0.9992

0.9991

0.9984

Removal

   

0.9993

1.0000

1.0000

1.0000

1.0000

0.9966

0.9995

0.9996

1.0000

1.0000

1.0000

0.9994

0.9998

0.9998

0.9922

NOX

Discharge

        

0.9988

0.9961

0.9996

0.9998

0.9998

0.9999

0.9999

0.9999

0.9998

0.9994

Removal

        

0.9993

1.0000

1.0000

0.9981

1.0000

1.0000

0.9997

0.9999

0.9999

0.9965