Projects

CSEMP assessment of lead in sediment at Channel

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean13.04 5.611.48-2.96
linear22.12 7.452.94-5.882.920 10.0875
smooth (df = 2)33.8913.893.06-6.110.231 10.6306
smooth (df = 3)42.7820.784.61-9.223.106 10.0780

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120173.5773.9600.38340.20241.8940.0948
last 20 years200120173.5773.9600.38340.20241.8940.0948

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC52.4738.00-0.3226 0.1380-2.3380.9762
ERL52.4747.00-0.1100 0.1380-0.7970.7759

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  lead in sediment at Channel


Assessment plot

Assessment plot for  lead in sediment at Channel


Metals data

Metals data for assessment of  lead in sediment at Channel


Metals assessment

Metals assessment of  lead in sediment at Channel


Related pages

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