Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean183.2984.58-38.6577.29
linear271.9374.40-31.9763.9313.358 10.0003
smooth (df = 2)373.8277.98-31.9163.82 0.119 10.7298
smooth (df = 3)475.8082.35-31.9063.80 0.015 10.9014
smooth (df = 4)577.7687.56-31.8863.76 0.041 10.8389

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall19992016-0.4451-0.9776-0.5325 0.1208-4.4100.0005
last 20 years19992016-0.4451-0.9776-0.5325 0.1208-4.4100.0005

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.37620.0700-1.6816 0.0687-24.4801.0000
ERL0.37620.1500-0.9195 0.0687-13.3851.0000

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


Metals data

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


Metals assessment

Metals assessment of  mercury in sediment at inner (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