Projects

CSEMP assessment of fluoranthene in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean167.1970.19-30.6061.19
linear268.9875.38-30.4960.980.211 10.6460
smooth (df = 2)370.3882.88-30.1960.380.601 10.4381

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520132.19212.0298-0.1623 0.3531-0.4600.6598
last 20 years200520132.19212.0298-0.1623 0.3531-0.4600.6598

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 7.6 39.01.6340.229 7.129<0.0001
ERL 7.6600.04.3670.22919.056<0.0001

 


Related pages

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