Projects

CSEMP assessment of cadmium in sediment at Lough Foyle

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean126.3628.93-10.1820.36
linear226.7932.12 -9.3918.791.568 10.2105
smooth (df = 2)328.6638.66 -9.3318.660.128 10.7205
smooth (df = 3)430.6548.65 -9.3218.650.012 10.9131

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20032017-1.3370-1.8479-0.5110 0.3925-1.3020.2293
last 20 years20032017-1.3370-1.8479-0.5110 0.3925-1.3020.2293

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.15760.31000.67680.21173.1960.0063
ERL0.15761.20002.03030.21179.588<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  cadmium in sediment at Lough Foyle


Raw data with assessment

Raw data with assessment of  cadmium in sediment at Lough Foyle


Assessment plot

Assessment plot for  cadmium in sediment at Lough Foyle


Metals data

Metals data for assessment of  cadmium in sediment at Lough Foyle


Metals assessment

Metals assessment of  cadmium in sediment at Lough Foyle


Related pages

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