Projects

CSEMP assessment of nickel in sediment at Sea of Hebrides

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 9.8112.06-1.913.81
linear211.7316.30-1.863.730.084 10.7725
smooth (df = 2)311.3519.68-0.671.352.381 10.1228
smooth (df = 3)412.6827.08-0.340.680.666 10.4143

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620163.6773.7220.045530.157430.2890.7789
last 20 years200620163.6773.7220.045530.157430.2890.7789

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC41.3736.00-0.13895 0.08948-1.5530.9226

 


Raw data with supporting information

Raw data with supporting information for assessment of  nickel in sediment at Sea of Hebrides


Raw data with assessment

Raw data with assessment of  nickel in sediment at Sea of Hebrides


Assessment plot

Assessment plot for  nickel in sediment at Sea of Hebrides


Metals data

Metals data for assessment of  nickel in sediment at Sea of Hebrides


Metals assessment

Metals assessment of  nickel in sediment at Sea of Hebrides


Related pages

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