Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-10.03 -8.03 8.02-16.03
linear2-16.07-12.0712.04-24.078.037 10.0046
smooth (df = 2)3-16.52 -9.3813.26-26.522.453 10.1173
smooth (df = 3)4-14.83 -2.8313.41-26.830.303 10.5819

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620173.6674.0800.41280.11853.4850.0059
last 20 years200620173.6674.0800.41280.11853.4850.0059

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
ERL59.1581.000.314360.069854.5000.0006

 


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