Projects

CSEMP assessment of nickel in sediment at Solway Firth

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-0.26 1.123.13 -6.26
linear2 1.49 4.153.26 -6.510.250 10.6174
smooth (df = 2)3-6.44-1.898.22-16.449.923 10.0016
smooth (df = 3)4-4.68 2.528.34-16.680.242 10.6227
smooth (df = 4)5-3.43 7.468.71-17.430.750 10.3864

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120173.7483.628-0.11997 0.20313-0.5910.5649
last 20 years200120173.7483.628-0.11997 0.20313-0.5910.5649

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC37.6636.00-0.04498 0.16251-0.2770.6068

 


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