Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1138.62139.90-66.31132.62
linear2140.49142.95-66.24132.490.127 10.7211
smooth (df = 2)3138.66142.83-64.33128.663.830 10.0503
smooth (df = 3)4140.62147.16-64.31128.620.041 10.8389
smooth (df = 4)5139.20149.00-62.60125.203.416 10.0646

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920163.7633.692-0.07142 0.19994-0.3570.7259
last 20 years199920163.7633.692-0.07142 0.19994-0.3570.7259

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC40.1327.00-0.3962 0.1168-3.3920.9980
ERL40.1334.00-0.1657 0.1168-1.4190.9118

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


Metals data

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


Metals assessment

Metals assessment of  copper in sediment at inner (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