Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean135.5737.82-14.7929.57
linear237.5742.14-14.7829.570.003 10.9530
smooth (df = 2)337.6846.01-13.8427.681.889 10.1693
smooth (df = 3)435.4049.80-11.7023.404.281 10.0385

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20062017-2.2817-2.27040.011300.190940.0590.9541
last 20 years20062017-2.2817-2.27040.011300.190940.0590.9541

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.103270.07000-0.3889 0.0967-4.0210.9985
ERL0.103270.15000 0.3733 0.0967 3.8590.0019

 


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