Projects

CSEMP assessment of fluoranthene in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean158.6461.64-26.3252.64
linear260.0266.42-26.0152.020.621 10.4308
smooth (df = 2)361.7174.21-25.8551.710.312 10.5765

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520131.50331.95990.45660.56930.8020.4489
last 20 years200520131.50331.95990.45660.56930.8020.4489

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 7.1 39.01.7040.346 4.9300.0008
ERL 7.1600.04.4370.34612.840<0.0001

 


Related pages

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