Projects

CSEMP assessment of CB153 in sediment at SE of Bressay (Shetland)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean141.4350.43-17.7235.43
linear239.0671.06-15.5331.064.369 10.0366

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20082016-3.0373-0.32962.70771.05542.5660.0828
last 20 years20082016-3.0373-0.32962.70771.05542.5660.0828

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 0.72 0.19-1.331 0.707-1.8840.9219
EAC 0.7240.00 4.019 0.707 5.6870.0054

 


Related pages

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