Projects

CSEMP assessment of naphthalene in sediment at Forth Estuary

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 98.02100.02-46.0192.02
linear2 99.95103.95-45.9891.950.062 10.8035
smooth (df = 2)3100.80107.94-45.4090.801.158 10.2818
smooth (df = 3)4102.68114.68-45.3490.680.114 10.7354

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620184.8444.654-0.1909 0.7671-0.2490.8085
last 20 years200620184.8444.654-0.1909 0.7671-0.2490.8085

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC104.95 8.00-2.5741 0.4014-6.4121.0000
ERL104.95160.00 0.4217 0.4014 1.0500.1591

 


Related pages

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