Projects

CSEMP assessment of chrysene in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean158.6061.60-26.3052.60
linear260.2766.67-26.1352.270.335 10.5629
smooth (df = 2)361.5874.08-25.7951.580.686 10.4077

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520131.44081.81800.37730.64610.5840.5776
last 20 years200520131.44081.81800.37730.64610.5840.5776

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 6.2 20.01.1780.390 3.0200.0097
ERL 6.2384.04.1330.39010.597<0.0001

 


Related pages

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