Projects

CSEMP assessment of naphthalene in sediment at SE of Bressay (Shetland)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean171.4877.48-32.7465.48
linear270.9786.97-31.4962.972.504 10.1136

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620160.83860.2366-0.6020 0.3785-1.5900.1869
last 20 years200620160.83860.2366-0.6020 0.3785-1.5900.1869

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 1.27 8.001.8430.207 8.9000.0004
ERL 1.27160.004.8390.20723.367<0.0001

 


Related pages

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