Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean121.4123.41-7.7015.41
linear219.1123.11-5.5611.114.296 10.0382
smooth (df = 2)317.6024.74-3.80 7.603.510 10.0610
smooth (df = 3)415.3027.30-1.65 3.304.303 10.0380

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620171.77152.15860.38710.16782.3070.0437
last 20 years200620171.77152.15860.38710.16782.3070.0437

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 8.6627.001.13720.099411.435<0.0001
ERL 8.6634.001.36770.099413.753<0.0001

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


Metals data

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


Metals assessment

Metals assessment of  copper 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