Projects

CSEMP assessment of cadmium in sediment at Sunk Island (Humber)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean138.0841.08-16.0432.08
linear231.1737.57-11.5823.178.917 10.0028
smooth (df = 2)332.1944.69-11.1022.190.975 10.3235

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall19992013-0.5180-1.3082-0.7902 0.1667-4.7410.0021
last 20 years19992013-0.5180-1.3082-0.7902 0.1667-4.7410.0021

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.27030.31000.13700.1031 1.3290.1127
ERL0.27031.20001.49050.103114.463<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  cadmium in sediment at Sunk Island (Humber)


Raw data with assessment

Raw data with assessment of  cadmium in sediment at Sunk Island (Humber)


Assessment plot

Assessment plot for  cadmium in sediment at Sunk Island (Humber)


Metals data

Metals data for assessment of  cadmium in sediment at Sunk Island (Humber)


Metals assessment

Metals assessment of  cadmium in sediment at Sunk Island (Humber)


Related pages

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