Projects

CSEMP assessment of lead in sediment at inner (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean111.1712.46-2.59 5.17
linear212.8215.29-2.41 4.820.346 10.5564
smooth (df = 2)311.6815.85-0.84 1.683.141 10.0763
smooth (df = 3)412.9319.47-0.46 0.930.756 10.3846
smooth (df = 4)5 7.5417.34 3.23-6.467.391 10.0066

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920164.8544.777-0.07719 0.13099-0.5890.5644
last 20 years199920164.8544.777-0.07719 0.13099-0.5890.5644

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC118.71 38.00-1.1391 0.0766-14.8721.0000
ERL118.71 47.00-0.9265 0.0766-12.0971.0000

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in sediment at inner (Firth of Clyde)


Raw data with assessment

Raw data with assessment of  lead in sediment at inner (Firth of Clyde)


Assessment plot

Assessment plot for  lead in sediment at inner (Firth of Clyde)


Metals data

Metals data for assessment of  lead in sediment at inner (Firth of Clyde)


Metals assessment

Metals assessment of  lead in sediment at inner (Firth of Clyde)


Related pages

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