Projects

CSEMP assessment of lead in sediment at inner (Firth of Forth)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean148.4749.67-21.2442.47
linear249.2151.50-20.6141.211.259 10.2619
smooth (df = 2)350.6054.45-20.3040.600.612 10.4341
smooth (df = 3)445.9051.90-16.9533.906.702 10.0096
smooth (df = 4)546.7755.68-16.3832.771.131 10.2875

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920164.0033.835-0.16746 0.14609-1.1460.2685
last 20 years199920164.0033.835-0.16746 0.14609-1.1460.2685

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC46.338.0-0.19762 0.08509-2.3220.9831
ERL46.347.0 0.01494 0.08509 0.1760.4314

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in sediment at inner (Firth of Forth)


Raw data with assessment

Raw data with assessment of  lead in sediment at inner (Firth of Forth)


Assessment plot

Assessment plot for  lead in sediment at inner (Firth of Forth)


Metals data

Metals data for assessment of  lead in sediment at inner (Firth of Forth)


Metals assessment

Metals assessment of  lead in sediment at inner (Firth of Forth)


Related pages

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