Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-29.00-26.4317.50-35.00
linear2-28.53-23.2018.27-36.531.526 10.2167
smooth (df = 2)3-27.46-17.4618.73-37.460.930 10.3350
smooth (df = 3)4-25.54 -7.5418.77-37.540.078 10.7803

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620162.2302.3380.108020.086471.2490.2469
last 20 years200620162.2302.3380.108020.086471.2490.2469

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC10.36125.0000.88080.041121.424<0.0001

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


Metals data

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


Metals assessment

Metals assessment of  arsenic 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