Projects

CSEMP assessment of nickel in sediment at Whiteness Head (Moray Firth)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 8.8710.26-1.44 2.87
linear2 2.57 5.24 2.71 -5.438.300 10.0040
smooth (df = 2)3-4.91-0.36 7.45-14.919.481 10.0021
smooth (df = 3)4-6.03 1.17 9.01-18.033.122 10.0772
smooth (df = 4)5-5.84 5.05 9.92-19.841.808 10.1788

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920164.0023.199-0.8028 0.1971-4.0740.0013
last 20 years199920164.0023.199-0.8028 0.1971-4.0740.0013

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC24.5136.000.38450.15742.4420.0148

 


Raw data with supporting information

Raw data with supporting information for assessment of  nickel in sediment at Whiteness Head (Moray Firth)


Raw data with assessment

Raw data with assessment of  nickel in sediment at Whiteness Head (Moray Firth)


Assessment plot

Assessment plot for  nickel in sediment at Whiteness Head (Moray Firth)


Metals data

Metals data for assessment of  nickel in sediment at Whiteness Head (Moray Firth)


Metals assessment

Metals assessment of  nickel in sediment at Whiteness Head (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