CSEMP assessment of c3 naphthalenes in sediment at inner (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
linear2170.62175.95-81.31162.620.052 10.8201
smooth (df = 2)3171.19181.19-80.59161.191.430 10.2318
smooth (df = 3)4173.19191.19-80.59161.190.001 10.9701

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
last 20 years200920185.4255.5730.14800.64990.2280.8256

Status assessment

No assessment criteria


Related pages

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