Projects

CSEMP assessment of zinc in sediment at Forth Estuary

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean141.4242.71-17.7135.42
linear243.4245.88-17.7135.420.000 10.9857
smooth (df = 2)343.8548.02-16.9333.851.568 10.2105
smooth (df = 3)445.7052.25-16.8533.700.151 10.6978
smooth (df = 4)547.6757.47-16.8333.670.036 10.8503

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020174.8374.834-0.00208 0.11438-0.0180.9858
last 20 years200020174.8374.834-0.00208 0.11438-0.0180.9858

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC125.77122.00-0.03041 0.06880-0.4420.6676
ERL125.77150.00 0.17620 0.06880 2.5610.0109

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  zinc in sediment at Forth Estuary


Assessment plot

Assessment plot for  zinc in sediment at Forth Estuary


Metals data

Metals data for assessment of  zinc in sediment at Forth Estuary


Metals assessment

Metals assessment of  zinc 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