Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean112.9315.50-3.466.93
linear213.1318.46-2.565.131.803 10.1793
smooth (df = 2)313.5723.57-1.783.571.559 10.2119
smooth (df = 3)414.8632.86-1.432.860.702 10.4021

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620164.4464.235-0.21174 0.14475-1.4630.1817
last 20 years200620164.4464.235-0.21174 0.14475-1.4630.1817

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
ERL69.0481.000.159720.068972.3160.0246

 


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