Projects

CSEMP assessment of chromium in sediment at Arbroath (E Scotland)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 -5.79-3.54 5.89-11.79
linear2-11.18-6.61 9.59-19.187.389 10.0066
smooth (df = 2)3-10.86-2.5210.43-20.861.679 10.1950
smooth (df = 3)4 -9.32 5.0810.66-21.320.458 10.4988

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620163.6524.0770.42480.12743.3340.0087
last 20 years200620163.6524.0770.42480.12743.3340.0087

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
ERL58.9581.000.31780.07614.1740.0012

 


Raw data with supporting information

Raw data with supporting information for assessment of  chromium in sediment at Arbroath (E Scotland)


Raw data with assessment

Raw data with assessment of  chromium in sediment at Arbroath (E Scotland)


Assessment plot

Assessment plot for  chromium in sediment at Arbroath (E Scotland)


Metals data

Metals data for assessment of  chromium in sediment at Arbroath (E Scotland)


Metals assessment

Metals assessment of  chromium in sediment at Arbroath (E Scotland)


Related pages

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