Projects

CSEMP assessment of nickel in sediment at inner (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-58.06-56.7732.03-64.06
linear2-56.45-53.9932.22-64.450.389 10.5326
smooth (df = 2)3-57.66-53.5033.83-67.663.214 10.0730
smooth (df = 3)4-61.50-54.9636.75-73.505.837 10.0157
smooth (df = 4)5-62.75-52.9538.38-76.753.252 10.0713

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920163.8513.783-0.06839 0.10924-0.6260.5407
last 20 years199920163.8513.783-0.06839 0.10924-0.6260.5407

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC43.9336.00-0.19909 0.05788-3.4400.9982

 


Raw data with supporting information

Raw data with supporting information for assessment of  nickel in sediment at inner (Firth of Clyde)


Raw data with assessment

Raw data with assessment of  nickel in sediment at inner (Firth of Clyde)


Assessment plot

Assessment plot for  nickel in sediment at inner (Firth of Clyde)


Metals data

Metals data for assessment of  nickel in sediment at inner (Firth of Clyde)


Metals assessment

Metals assessment of  nickel in sediment at inner (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