Projects

CSEMP assessment of lead in sediment at Off Tyne

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean142.3744.01-18.1936.37
linear238.6241.82-15.3130.625.758 10.0164
smooth (df = 2)336.5542.10-13.2726.554.069 10.0437
smooth (df = 3)437.8346.83-12.9225.830.713 10.3985

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920173.9224.4920.56990.20102.8360.0150
last 20 years199920173.9224.4920.56990.20102.8360.0150

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC89.3238.00-0.8547 0.1277-6.6951.0000
ERL89.3247.00-0.6421 0.1277-5.0300.9999

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  lead in sediment at Off Tyne


Assessment plot

Assessment plot for  lead in sediment at Off Tyne


Metals data

Metals data for assessment of  lead in sediment at Off Tyne


Metals assessment

Metals assessment of  lead 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