Projects

CSEMP assessment of chromium in sediment at Irish Sea Buoy

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 -6.93 -5.29 6.47-12.93
linear2 -8.92 -5.72 8.46-16.92 3.989 10.0458
smooth (df = 2)3 -6.97 -1.41 8.49-16.97 0.051 10.8222
smooth (df = 3)4-20.11-11.1116.05-32.1115.136 10.0001

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920124.2474.2920.044740.156840.2850.7813
last 20 years199920124.2474.2920.044740.156840.2850.7813

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
ERL73.1181.000.102530.098281.0430.1607

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

Assessment plot for  chromium in sediment at Irish Sea Buoy


Metals data

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


Metals assessment

Metals assessment of  chromium 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