Projects

CSEMP assessment of c1 naphthalenes in sediment at Channel

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 8.4212.92-1.21 2.42
linear2 0.8411.51 3.58 -7.169.580 10.0020
smooth (df = 2)3-3.2221.78 6.61-13.226.066 10.0138

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520175.0444.065-0.9795 0.2314-4.2330.0082
last 20 years200520175.0444.065-0.9795 0.2314-4.2330.0082

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