Projects

CSEMP assessment of fluoranthene in sediment at SE of Bressay (Shetland)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 98.57103.07-46.2992.57
linear2100.51111.17-46.2592.510.068 10.7942
smooth (df = 2)3102.43127.43-46.2192.430.080 10.7777

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620162.38302.1868-0.1962 0.7519-0.2610.8046
last 20 years200620162.38302.1868-0.1962 0.7519-0.2610.8046

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 8.9 39.01.4770.4793.0810.0137
ERL 8.9600.04.2100.4798.7850.0002

 


Related pages

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