Projects

CSEMP assessment of copper in sediment at Lough Foyle

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean13.45 5.701.28-2.55
linear22.60 7.182.70-5.402.843 10.0918
smooth (df = 2)32.7911.133.60-7.211.810 10.1785
smooth (df = 3)44.7319.133.63-7.270.063 10.8014

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200320173.4122.885-0.5273 0.2913-1.8100.1037
last 20 years200320173.4122.885-0.5273 0.2913-1.8100.1037

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC17.927.00.41130.16092.5570.0154
ERL17.934.00.64180.16093.9900.0016

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  copper in sediment at Lough Foyle


Assessment plot

Assessment plot for  copper in sediment at Lough Foyle


Metals data

Metals data for assessment of  copper in sediment at Lough Foyle


Metals assessment

Metals assessment of  copper 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