Projects

CSEMP assessment of arsenic in sediment at Celtic Deep

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean140.6542.45-17.3334.65
linear240.7244.27-16.3632.721.938 10.1639
smooth (df = 2)342.5548.80-16.2832.550.164 10.6855
smooth (df = 3)442.5852.87-15.2930.581.967 10.1608

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920182.8783.2290.35080.24141.4530.1741
last 20 years199920182.8783.2290.35080.24141.4530.1741

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC25.24925.000-0.00990 0.15582-0.0640.5248

 


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