Projects

CSEMP assessment of copper in sediment at Sea of Hebrides

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-15.11-13.1110.55-21.11
linear2-13.12 -9.1210.56-21.120.007 10.9316
smooth (df = 2)3-11.53 -4.3910.77-21.530.417 10.5187
smooth (df = 3)4-14.07 -2.0713.04-26.074.537 10.0332

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620172.82042.8036-0.01681 0.19558-0.0860.9332
last 20 years200620172.82042.8036-0.01681 0.19558-0.0860.9332

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC16.527.00.49220.11374.3290.0007
ERL16.534.00.72280.11376.356<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  copper in sediment at Sea of Hebrides


Raw data with assessment

Raw data with assessment of  copper in sediment at Sea of Hebrides


Assessment plot

Assessment plot for  copper in sediment at Sea of Hebrides


Metals data

Metals data for assessment of  copper in sediment at Sea of Hebrides


Metals assessment

Metals assessment of  copper in sediment at Sea of Hebrides


Related pages

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