Projects

CSEMP assessment of fluoranthene in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean142.2845.28-18.1436.28
linear244.0850.48-18.0436.080.196 10.6583
smooth (df = 2)345.8058.30-17.9035.800.277 10.5985

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520132.04111.8335-0.2076 0.4676-0.4440.6705
last 20 years200520132.04111.8335-0.2076 0.4676-0.4440.6705

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 6.3 39.01.8300.284 6.4470.0002
ERL 6.3600.04.5630.28416.075<0.0001

 


Related pages

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