Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean123.0624.44-8.5317.06
linear2 8.6711.34-0.34 0.6716.385 1<0.0001
smooth (df = 2)3 3.45 8.00 3.28-6.55 7.223 10.0072
smooth (df = 3)4 4.2811.48 3.86-7.72 1.166 10.2803
smooth (df = 4)5 5.7016.59 4.15-8.30 0.583 10.4452

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020163.8572.687-1.1695 0.1857-6.297<0.0001
last 20 years200020163.8572.687-1.1695 0.1857-6.297<0.0001

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC14.6927.000.60840.15733.8670.0010
ERL14.6934.000.83890.15735.333<0.0001

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


Metals data

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


Metals assessment

Metals assessment of  copper in sediment at outer (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