Projects

CSEMP assessment of cadmium in sediment at Sea of Hebrides

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1158.72160.72-76.36152.72
linear2158.66162.66-75.33150.662.062 10.1510
smooth (df = 2)3160.59167.73-75.29150.590.071 10.7892
smooth (df = 3)4162.58174.58-75.29150.580.007 10.9339

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20062017-2.0708-1.74910.32170.21951.4660.1735
last 20 years20062017-2.0708-1.74910.32170.21951.4660.1735

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.17390.31000.57790.1228 4.7070.0004
ERL0.17391.20001.93140.122815.732<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