Projects

CSEMP assessment of nickel in sediment at Off Tyne

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean167.9769.61-30.9861.97
linear265.9469.14-28.9757.944.030 10.0447
smooth (df = 2)366.8372.38-28.4156.831.114 10.2913
smooth (df = 3)468.0977.09-28.0556.090.731 10.3925

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920173.0954.0370.94230.43502.1670.0511
last 20 years199920173.0954.0370.94230.43502.1670.0511

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC56.6836.00-0.4538 0.2664-1.7030.9429

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  nickel in sediment at Off Tyne


Assessment plot

Assessment plot for  nickel in sediment at Off Tyne


Metals data

Metals data for assessment of  nickel in sediment at Off Tyne


Metals assessment

Metals assessment of  nickel 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