Projects

CSEMP assessment of nickel in sediment at Lough Foyle

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean14.12 6.370.94-1.88
linear24.19 8.761.91-3.811.937 10.1639
smooth (df = 2)35.7214.052.14-4.280.466 10.4948
smooth (df = 3)47.5421.942.23-4.460.180 10.6712

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200320173.6163.209-0.4076 0.2810-1.4510.1807
last 20 years200320173.6163.209-0.4076 0.2810-1.4510.1807

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC24.7436.000.37490.15462.4250.0191

 


Raw data with supporting information

Raw data with supporting information for assessment of  nickel in sediment at Lough Foyle


Raw data with assessment

Raw data with assessment of  nickel in sediment at Lough Foyle


Assessment plot

Assessment plot for  nickel in sediment at Lough Foyle


Metals data

Metals data for assessment of  nickel in sediment at Lough Foyle


Metals assessment

Metals assessment of  nickel in sediment at Lough Foyle


Related pages

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