Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean161.0863.33-27.5455.08
linear262.8367.40-27.4154.830.246 10.6196
smooth (df = 2)364.8173.14-27.4054.810.021 10.8851
smooth (df = 3)466.4580.85-27.2354.450.354 10.5519

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20062017-3.441-3.3100.130990.259640.5050.6260
last 20 years20062017-3.441-3.3100.130990.259640.5050.6260

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.036520.070000.65060.15404.2250.0011
ERL0.036520.150001.41270.15409.174<0.0001

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


Metals data

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


Metals assessment

Metals assessment of  mercury 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