Projects

CSEMP assessment of zinc in sediment at Sunk Island (Humber)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-5.56-2.995.78-11.56
linear2-8.24-2.918.12-16.244.684 10.0304
smooth (df = 2)3-7.13 2.878.56-17.130.888 10.3459
smooth (df = 3)4-5.2612.748.63-17.260.134 10.7144

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920135.5715.111-0.4597 0.1864-2.4660.0389
last 20 years199920135.5715.111-0.4597 0.1864-2.4660.0389

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC165.82122.00-0.30689 0.11392-2.6940.9863
ERL165.82150.00-0.10027 0.11392-0.8800.7978

 


Raw data with supporting information

Raw data with supporting information for assessment of  zinc in sediment at Sunk Island (Humber)


Raw data with assessment

Raw data with assessment of  zinc in sediment at Sunk Island (Humber)


Assessment plot

Assessment plot for  zinc in sediment at Sunk Island (Humber)


Metals data

Metals data for assessment of  zinc in sediment at Sunk Island (Humber)


Metals assessment

Metals assessment of  zinc in sediment at Sunk Island (Humber)


Related pages

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