Projects

CSEMP assessment of arsenic in sediment at inner (Firth of Forth)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean165.6766.87-29.8359.67
linear266.2468.53-29.1258.241.424 10.2328
smooth (df = 2)364.2268.06-27.1154.224.027 10.0448
smooth (df = 3)466.1672.16-27.0854.160.054 10.8156
smooth (df = 4)568.1477.05-27.0754.140.020 10.8884

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920162.41322.59260.179410.147801.2140.2424
last 20 years199920162.41322.59260.179410.147801.2140.2424

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC13.36525.0000.62630.08597.287<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  arsenic in sediment at inner (Firth of Forth)


Raw data with assessment

Raw data with assessment of  arsenic in sediment at inner (Firth of Forth)


Assessment plot

Assessment plot for  arsenic in sediment at inner (Firth of Forth)


Metals data

Metals data for assessment of  arsenic in sediment at inner (Firth of Forth)


Metals assessment

Metals assessment of  arsenic in sediment at inner (Firth of Forth)


Related pages

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