Projects

CSEMP assessment of phenanthrene in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean140.5843.58-17.2934.58
linear242.4548.85-17.2234.450.136 10.7125
smooth (df = 2)344.4556.95-17.2234.450.001 10.9813

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520131.87611.6850-0.1911 0.5171-0.3700.7226
last 20 years200520131.87611.6850-0.1911 0.5171-0.3700.7226

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 5.39 32.001.7810.313 5.6960.0004
ERL 5.39240.003.7960.31312.141<0.0001

 


Related pages

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