Projects

CSEMP assessment of copper in sediment at middle (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-10.63 -8.06 8.32-16.63
linear2-10.39 -5.05 9.19-18.39 1.752 10.1856
smooth (df = 2)3-20.71-10.7115.35-30.7112.321 10.0004
smooth (df = 3)4-19.04 -1.0415.52-31.04 0.331 10.5650

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620162.89452.7407-0.15384 0.11845-1.2990.2352
last 20 years200620162.89452.7407-0.15384 0.11845-1.2990.2352

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC15.527.00.55510.0641 8.667<0.0001
ERL15.534.00.78570.064112.266<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  copper in sediment at middle (Firth of Clyde)


Raw data with assessment

Raw data with assessment of  copper in sediment at middle (Firth of Clyde)


Assessment plot

Assessment plot for  copper in sediment at middle (Firth of Clyde)


Metals data

Metals data for assessment of  copper in sediment at middle (Firth of Clyde)


Metals assessment

Metals assessment of  copper in sediment at middle (Firth of Clyde)


Related pages

  • Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
  • Assessment methodology for metals in sediment
  • Accessment criteria for metals in sediment