Projects

CSEMP assessment of zinc in sediment at inner (Firth of Forth)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-25.62-24.4215.81-31.62
linear2-24.88-22.5916.44-32.881.265 10.2608
smooth (df = 2)3-23.58-19.7316.79-33.580.695 10.4044
smooth (df = 3)4-27.99-21.9919.99-39.996.410 10.0113
smooth (df = 4)5-26.03-17.1220.01-40.030.040 10.8417

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920164.7074.556-0.15100 0.13171-1.1470.2684
last 20 years199920164.7074.556-0.15100 0.13171-1.1470.2684

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 95.17122.000.24840.07663.2420.0026
ERL 95.17150.000.45500.07665.939<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  zinc in sediment at inner (Firth of Forth)


Raw data with assessment

Raw data with assessment of  zinc in sediment at inner (Firth of Forth)


Assessment plot

Assessment plot for  zinc in sediment at inner (Firth of Forth)


Metals data

Metals data for assessment of  zinc in sediment at inner (Firth of Forth)


Metals assessment

Metals assessment of  zinc in sediment at inner (Firth of Forth)


Related pages

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