Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean111.7213.11-2.86 5.72
linear2 7.5110.18 0.24 -0.496.214 10.0127
smooth (df = 2)3 1.34 5.88 4.33 -8.668.175 10.0042
smooth (df = 3)4 0.00 7.20 6.00-12.003.340 10.0676
smooth (df = 4)5 1.9912.88 6.01-12.010.009 10.9224

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920164.8544.127-0.7278 0.2215-3.2860.0059
last 20 years199920164.8544.127-0.7278 0.2215-3.2860.0059

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
ERL61.9681.000.267930.177261.5110.0773

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


Metals data

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


Metals assessment

Metals assessment of  chromium 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