Projects

CSEMP assessment of arsenic in sediment at Solway Firth

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean163.8465.22-28.9257.84
linear257.5460.21-24.7749.548.297 10.0040
smooth (df = 2)350.3254.87-20.1640.329.222 10.0024
smooth (df = 3)452.3159.51-20.1640.310.009 10.9244
smooth (df = 4)553.8964.78-19.9439.890.423 10.5157

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120172.27962.90390.62430.14414.3330.0008
last 20 years200120172.27962.90390.62430.14414.3330.0008

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC18.24525.0000.314970.116522.7030.0090

 


Raw data with supporting information

Raw data with supporting information for assessment of  arsenic in sediment at Solway Firth


Raw data with assessment

Raw data with assessment of  arsenic in sediment at Solway Firth


Assessment plot

Assessment plot for  arsenic in sediment at Solway Firth


Metals data

Metals data for assessment of  arsenic in sediment at Solway Firth


Metals assessment

Metals assessment of  arsenic in sediment at Solway Firth


Related pages

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