Projects

CSEMP assessment of lead in sediment at Off Humber / Wash

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean156.9658.96-25.4850.96
linear258.4862.48-25.2450.480.483 10.4869
smooth (df = 2)360.0767.21-25.0450.070.409 10.5223
smooth (df = 3)461.9473.94-24.9749.940.134 10.7140

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920173.7233.9890.26590.37880.7020.4988
last 20 years199920173.7233.9890.26590.37880.7020.4988

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC54.0138.00-0.3516 0.2131-1.6500.9350
ERL54.0147.00-0.1390 0.2131-0.6520.7355

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in sediment at Off Humber / Wash


Raw data with assessment

Raw data with assessment of  lead in sediment at Off Humber / Wash


Assessment plot

Assessment plot for  lead in sediment at Off Humber / Wash


Metals data

Metals data for assessment of  lead in sediment at Off Humber / Wash


Metals assessment

Metals assessment of  lead in sediment at Off Humber / Wash


Related pages

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