Projects

CSEMP assessment of arsenic in sediment at Celtic Deep

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean139.0241.02-16.5133.02
linear240.4844.48-16.2432.480.541 10.4621
smooth (df = 2)340.9148.05-15.4530.911.569 10.2104
smooth (df = 3)442.4554.45-15.2230.450.461 10.4970

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920162.91603.10380.187840.253250.7420.4753
last 20 years199920162.91603.10380.187840.253250.7420.4753

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC22.28325.0000.115030.162620.7070.2477

 


Raw data with supporting information

Raw data with supporting information for assessment of  arsenic in sediment at Celtic Deep


Raw data with assessment

Raw data with assessment of  arsenic in sediment at Celtic Deep


Assessment plot

Assessment plot for  arsenic in sediment at Celtic Deep


Metals data

Metals data for assessment of  arsenic in sediment at Celtic Deep


Metals assessment

Metals assessment of  arsenic in sediment at Celtic Deep


Related pages

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