Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-55.60-53.6030.80-61.60
linear2-53.64-49.6430.82-61.640.039 10.8432
smooth (df = 2)3-51.70-44.5630.85-61.700.063 10.8024
smooth (df = 3)4-50.13-38.1331.07-62.130.430 10.5118

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620173.02293.04810.025270.127410.1980.8468
last 20 years200620173.02293.04810.025270.127410.1980.8468

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC21.0838.000.58940.0758 7.773<0.0001
ERL21.0847.000.80200.075810.576<0.0001

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


Metals data

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


Metals assessment

Metals assessment of  lead 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