Projects

CSEMP assessment of phenanthrene in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean154.8457.84-24.4248.84
linear256.6163.01-24.3148.610.227 10.6338
smooth (df = 2)357.9270.42-23.9647.920.691 10.4057

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520131.54221.82560.28350.59160.4790.6464
last 20 years200520131.54221.82560.28350.59160.4790.6464

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 6.21 32.001.6400.358 4.5810.0013
ERL 6.21240.003.6550.35810.210<0.0001

 


Related pages

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