Projects

CSEMP assessment of chromium in sediment at middle (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean110.3812.63-2.194.38
linear211.8616.43-1.933.860.521 10.4703
smooth (df = 2)313.8322.17-1.923.830.026 10.8722
smooth (df = 3)415.4729.87-1.743.470.360 10.5486

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620174.3974.286-0.11105 0.14912-0.7450.4755
last 20 years200620174.3974.286-0.11105 0.14912-0.7450.4755

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
ERL72.6681.000.108640.074001.4680.0881

 


Raw data with supporting information

Raw data with supporting information for assessment of  chromium in sediment at middle (Firth of Clyde)


Raw data with assessment

Raw data with assessment of  chromium in sediment at middle (Firth of Clyde)


Assessment plot

Assessment plot for  chromium in sediment at middle (Firth of Clyde)


Metals data

Metals data for assessment of  chromium in sediment at middle (Firth of Clyde)


Metals assessment

Metals assessment of  chromium in sediment at middle (Firth of Clyde)


Related pages

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