Projects

CSEMP assessment of zinc in sediment at Lough Foyle

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean123.5725.82-8.7817.57
linear224.2728.84-8.1416.271.297 10.2548
smooth (df = 2)325.8734.20-7.9315.870.404 10.5252
smooth (df = 3)427.8742.27-7.9315.870.000 10.9885

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200320174.8704.578-0.29249 0.24920-1.1740.2706
last 20 years200320174.8704.578-0.29249 0.24920-1.1740.2706

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 97.28122.000.22650.13611.6640.0653
ERL 97.28150.000.43310.13613.1810.0056

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  zinc in sediment at Lough Foyle


Assessment plot

Assessment plot for  zinc in sediment at Lough Foyle


Metals data

Metals data for assessment of  zinc in sediment at Lough Foyle


Metals assessment

Metals assessment of  zinc 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