Projects

CSEMP assessment of cadmium in sediment at Sea of Hebrides

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1149.38151.63-71.69143.38
linear2149.98154.55-70.99141.981.404 10.2360
smooth (df = 2)3151.93160.26-70.96141.930.049 10.8257
smooth (df = 3)4153.83168.23-70.92141.830.096 10.7563

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20062016-2.0709-1.78370.287170.239451.1990.2610
last 20 years20062016-2.0709-1.78370.287170.239451.1990.2610

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.1680.3100.61260.1341 4.5670.0007
ERL0.1681.2001.96610.134114.658<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  cadmium in sediment at Sea of Hebrides


Raw data with assessment

Raw data with assessment of  cadmium in sediment at Sea of Hebrides


Assessment plot

Assessment plot for  cadmium in sediment at Sea of Hebrides


Metals data

Metals data for assessment of  cadmium in sediment at Sea of Hebrides


Metals assessment

Metals assessment of  cadmium in sediment at Sea of Hebrides


Related pages

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