Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean121.8623.25-7.9315.86
linear213.2815.94-2.64 5.2810.588 10.0011
smooth (df = 2)3 7.0911.63 1.46-2.91 8.190 10.0042
smooth (df = 3)4 5.7112.91 3.15-6.29 3.376 10.0662
smooth (df = 4)5 5.5816.47 4.21-8.42 2.125 10.1449

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920165.2614.288-0.9729 0.2070-4.6990.0004
last 20 years199920165.2614.288-0.9729 0.2070-4.6990.0004

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 72.84122.000.51580.16183.1880.0036
ERL 72.84150.000.72240.16184.4650.0003

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


Metals data

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


Metals assessment

Metals assessment of  zinc 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