Projects

CSEMP assessment of zinc in sediment at Off Tyne

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean13.62 5.421.19-2.38
linear23.05 6.612.48-4.952.572 10.1088
smooth (df = 2)34.8111.062.59-5.190.239 10.6246
smooth (df = 3)46.4816.772.76-5.520.328 10.5667

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920174.4734.7870.314030.185991.6880.1194
last 20 years199920174.4734.7870.314030.185991.6880.1194

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC119.92122.000.017180.120240.1430.4445
ERL119.92150.000.223800.120241.8610.0448

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  zinc in sediment at Off Tyne


Assessment plot

Assessment plot for  zinc in sediment at Off Tyne


Metals data

Metals data for assessment of  zinc in sediment at Off Tyne


Metals assessment

Metals assessment of  zinc 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