Projects

CSEMP assessment of nickel in sediment at Forth Estuary

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean138.2639.46-16.1332.26
linear240.2342.52-16.1232.230.027 10.8698
smooth (df = 2)341.5245.36-15.7631.520.713 10.3984
smooth (df = 3)443.5049.50-15.7531.500.014 10.9072
smooth (df = 4)542.9651.87-14.4828.962.547 10.1105

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020173.4733.4920.019110.116620.1640.8719
last 20 years200020173.4733.4920.019110.116620.1640.8719

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC32.8436.000.091900.066391.3840.0927

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  nickel in sediment at Forth Estuary


Assessment plot

Assessment plot for  nickel in sediment at Forth Estuary


Metals data

Metals data for assessment of  nickel in sediment at Forth Estuary


Metals assessment

Metals assessment of  nickel 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