Projects

CSEMP assessment of pyrene in sediment at Forth estuary S4

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean116.7922.79-6.4012.79
linear216.5240.52-5.2610.522.271 10.1318

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620115.7164.303-1.4134 0.8344-1.6940.1888
last 20 years200620115.7164.303-1.4134 0.8344-1.6940.1888

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 73.9 24.0-1.1247 0.5303-2.1210.9379
ERL 73.9665.0 2.1971 0.5303 4.1430.0128

 


Related pages

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