Projects

CSEMP assessment of copper in sediment at Off Tyne

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean115.8017.44-4.909.80
linear215.4918.69-3.757.492.309 10.1286
smooth (df = 2)317.4423.00-3.727.440.051 10.8220
smooth (df = 3)414.1123.11-1.052.115.334 10.0209

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920172.78883.14930.36050.22481.6040.1347
last 20 years199920172.78883.14930.36050.22481.6040.1347

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC23.3227.000.14650.13811.0610.1547
ERL23.3234.000.37700.13812.7310.0091

 


Raw data with supporting information

Raw data with supporting information for assessment of  copper in sediment at Off Tyne


Raw data with assessment

Raw data with assessment of  copper in sediment at Off Tyne


Assessment plot

Assessment plot for  copper in sediment at Off Tyne


Metals data

Metals data for assessment of  copper in sediment at Off Tyne


Metals assessment

Metals assessment of  copper in sediment at Off Tyne


Related pages

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