Projects

CSEMP assessment of copper in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean11.21 4.812.39-4.79
linear23.0211.022.49-4.980.190 10.6633
smooth (df = 2)34.2220.882.89-5.780.807 10.3690

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620132.40552.45890.053400.121980.4380.6769
last 20 years200620132.40552.45890.053400.121980.4380.6769

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC11.6927.000.83690.082610.128<0.0001
ERL11.6934.001.06750.082612.918<0.0001

 


Related pages

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