Projects

CSEMP assessment of lead in sediment at Southern Moray Firth

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean167.3569.35-30.6761.35
linear268.4572.45-30.2260.450.899 10.3431
smooth (df = 2)365.8773.01-27.9355.874.582 10.0323
smooth (df = 3)464.8076.80-26.4052.803.065 10.0800

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620172.68502.90750.222480.233980.9510.3641
last 20 years200620172.68502.90750.222480.233980.9510.3641

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC18.3138.000.73010.14185.1480.0002
ERL18.3147.000.94260.14186.647<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in sediment at Southern Moray Firth


Raw data with assessment

Raw data with assessment of  lead in sediment at Southern Moray Firth


Assessment plot

Assessment plot for  lead in sediment at Southern Moray Firth


Metals data

Metals data for assessment of  lead in sediment at Southern Moray Firth


Metals assessment

Metals assessment of  lead in sediment at Southern Moray Firth


Related pages

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