Projects

CSEMP assessment of nickel in sediment at Solway Firth

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-21.66-20.1613.83-27.66
linear2-22.48-19.5815.24-30.482.827 10.0927
smooth (df = 2)3-26.37-21.3718.18-36.375.883 10.0153
smooth (df = 3)4-27.10-19.1019.55-39.102.734 10.0982
smooth (df = 4)5-25.40-13.1519.70-39.400.295 10.5867

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120163.7093.312-0.3968 0.1852-2.1430.0533
last 20 years200120163.7093.312-0.3968 0.1852-2.1430.0533

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC27.4536.000.271030.145831.8580.0439

 


Raw data with supporting information

Raw data with supporting information for assessment of  nickel in sediment at Solway Firth


Raw data with assessment

Raw data with assessment of  nickel in sediment at Solway Firth


Assessment plot

Assessment plot for  nickel in sediment at Solway Firth


Metals data

Metals data for assessment of  nickel in sediment at Solway Firth


Metals assessment

Metals assessment of  nickel in sediment at Solway Firth


Related pages

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