Projects

CSEMP assessment of zinc in sediment at middle (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-16.81-14.2411.41-22.81
linear2-16.19-10.8612.10-24.19 1.378 10.2405
smooth (df = 2)3-28.14-18.1419.07-38.1413.942 10.0002
smooth (df = 3)4-26.15 -8.1519.07-38.15 0.010 10.9203

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620164.6864.644-0.04273 0.10823-0.3950.7048
last 20 years200620164.6864.644-0.04273 0.10823-0.3950.7048

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC103.92122.000.16040.05412.9630.0105
ERL103.92150.000.36700.05416.7790.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  zinc in sediment at middle (Firth of Clyde)


Raw data with assessment

Raw data with assessment of  zinc in sediment at middle (Firth of Clyde)


Assessment plot

Assessment plot for  zinc in sediment at middle (Firth of Clyde)


Metals data

Metals data for assessment of  zinc in sediment at middle (Firth of Clyde)


Metals assessment

Metals assessment of  zinc in sediment at middle (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