Projects

CSEMP assessment of cadmium in sediment at Forth Estuary

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean187.7989.29-40.8981.79
linear285.2388.14-38.6177.234.561 10.0327
smooth (df = 2)380.7285.72-35.3670.726.509 10.0107
smooth (df = 3)476.9784.97-32.4864.975.752 10.0165
smooth (df = 4)578.0390.28-32.0264.030.936 10.3333

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20022017-1.6874-1.6986-0.01119 0.26041-0.0430.9665
last 20 years20022017-1.6874-1.6986-0.01119 0.26041-0.0430.9665

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.18290.31000.52740.1542 3.4200.0029
ERL0.18291.20001.88090.154212.199<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  cadmium in sediment at Forth Estuary


Raw data with assessment

Raw data with assessment of  cadmium in sediment at Forth Estuary


Assessment plot

Assessment plot for  cadmium in sediment at Forth Estuary


Metals data

Metals data for assessment of  cadmium in sediment at Forth Estuary


Metals assessment

Metals assessment of  cadmium in sediment at Forth Estuary


Related pages

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