Projects

CSEMP assessment of mercury in sediment at middle (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean135.1037.67-14.5529.10
linear236.7242.05-14.3628.720.387 10.5341
smooth (df = 2)338.2648.26-14.1328.260.454 10.5003
smooth (df = 3)436.8354.83-12.4224.833.430 10.0640

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20062016-2.2258-2.3441-0.11835 0.18625-0.6350.5429
last 20 years20062016-2.2258-2.3441-0.11835 0.18625-0.6350.5429

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.095930.07000-0.3151 0.0912-3.4550.9957
ERL0.095930.15000 0.4470 0.0912 4.9000.0006

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in sediment at middle (Firth of Clyde)


Raw data with assessment

Raw data with assessment of  mercury in sediment at middle (Firth of Clyde)


Assessment plot

Assessment plot for  mercury in sediment at middle (Firth of Clyde)


Metals data

Metals data for assessment of  mercury in sediment at middle (Firth of Clyde)


Metals assessment

Metals assessment of  mercury in sediment at middle (Firth of Clyde)


Related pages

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