Projects

CSEMP assessment of zinc in sediment at Irish Sea Buoy

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 2.15 3.791.93 -3.85
linear2-0.04 3.164.02 -8.044.191 10.0406
smooth (df = 2)3 1.02 6.584.49 -8.980.937 10.3330
smooth (df = 3)4 1.0810.085.46-10.921.939 10.1638

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920124.8844.490-0.3944 0.1805-2.1860.0494
last 20 years199920124.8844.490-0.3944 0.1805-2.1860.0494

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 89.09122.000.31440.09723.2350.0036
ERL 89.09150.000.52100.09725.361<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  zinc in sediment at Irish Sea Buoy


Raw data with assessment

Raw data with assessment of  zinc in sediment at Irish Sea Buoy


Assessment plot

Assessment plot for  zinc in sediment at Irish Sea Buoy


Metals data

Metals data for assessment of  zinc in sediment at Irish Sea Buoy


Metals assessment

Metals assessment of  zinc in sediment at Irish Sea Buoy


Related pages

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