Projects

CSEMP assessment of arsenic in sediment at Sunk Island (Humber)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean124.0526.62-9.0318.05
linear219.2724.60-5.6411.276.783 10.0092
smooth (df = 2)321.0231.02-5.5111.020.255 10.6138
smooth (df = 3)420.8838.88-4.44 8.882.139 10.1436

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920133.7153.150-0.5648 0.1750-3.2270.0121
last 20 years199920133.7153.150-0.5648 0.1750-3.2270.0121

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC23.34325.0000.068580.107150.6400.2700

 


Raw data with supporting information

Raw data with supporting information for assessment of  arsenic in sediment at Sunk Island (Humber)


Raw data with assessment

Raw data with assessment of  arsenic in sediment at Sunk Island (Humber)


Assessment plot

Assessment plot for  arsenic in sediment at Sunk Island (Humber)


Metals data

Metals data for assessment of  arsenic in sediment at Sunk Island (Humber)


Metals assessment

Metals assessment of  arsenic in sediment at Sunk Island (Humber)


Related pages

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