Projects

CSEMP assessment of zinc in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 8.8412.44-1.422.84
linear210.0918.09-1.042.090.752 10.3858
smooth (df = 2)312.0728.74-1.042.070.018 10.8947

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620133.9844.1590.174870.198050.8830.4112
last 20 years200620133.9844.1590.174870.198050.8830.4112

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 63.99122.000.64530.12295.2510.0010
ERL 63.99150.000.85190.12296.9330.0002

 


Related pages

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