Projects

CSEMP assessment of arsenic in sediment at Irish Sea Buoy

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-23.32-21.6814.66-29.32
linear2-21.42-18.2214.71-29.420.101 10.7506
smooth (df = 2)3-20.69-15.1415.35-30.691.279 10.2581
smooth (df = 3)4-19.38-10.3815.69-31.380.687 10.4070

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920122.46952.3869-0.08257 0.25881-0.3190.7552
last 20 years199920122.46952.3869-0.08257 0.25881-0.3190.7552

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC10.8825.000.83190.14795.627<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  arsenic in sediment at Irish Sea Buoy


Raw data with assessment

Raw data with assessment of  arsenic in sediment at Irish Sea Buoy


Assessment plot

Assessment plot for  arsenic in sediment at Irish Sea Buoy


Metals data

Metals data for assessment of  arsenic in sediment at Irish Sea Buoy


Metals assessment

Metals assessment of  arsenic in sediment at Irish Sea Buoy


Related pages

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