Projects

CSEMP assessment of cadmium in sediment at inner (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean180.1181.50-37.0674.11
linear281.4384.10-36.7273.430.681 10.4092
smooth (df = 2)381.6486.18-35.8271.641.793 10.1805
smooth (df = 3)475.0582.25-31.5363.058.587 10.0034
smooth (df = 4)575.4086.29-30.7061.401.646 10.1995

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20002017-1.7722-1.53470.23750.28790.8250.4232
last 20 years20002017-1.7722-1.53470.23750.28790.8250.4232

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.21550.31000.36350.1626 2.2350.0211
ERL0.21551.20001.71700.162610.559<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  cadmium in sediment at inner (Firth of Clyde)


Raw data with assessment

Raw data with assessment of  cadmium in sediment at inner (Firth of Clyde)


Assessment plot

Assessment plot for  cadmium in sediment at inner (Firth of Clyde)


Metals data

Metals data for assessment of  cadmium in sediment at inner (Firth of Clyde)


Metals assessment

Metals assessment of  cadmium in sediment at inner (Firth of Clyde)


Related pages

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