Projects

CSEMP assessment of chromium in sediment at Bann Estuary

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean139.0641.63-16.5333.06
linear241.0546.38-16.5233.050.018 10.8931
smooth (df = 2)343.0353.03-16.5233.030.015 10.9017
smooth (df = 3)444.6162.61-16.3032.610.424 10.5150

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620175.2345.188-0.0457 0.3402-0.1340.8964
last 20 years200620175.2345.188-0.0457 0.3402-0.1340.8964

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
ERL179.18 81.00-0.7939 0.2174-3.6520.9968

 


Raw data with supporting information

Raw data with supporting information for assessment of  chromium in sediment at Bann Estuary


Raw data with assessment

Raw data with assessment of  chromium in sediment at Bann Estuary


Assessment plot

Assessment plot for  chromium in sediment at Bann Estuary


Metals data

Metals data for assessment of  chromium in sediment at Bann Estuary


Metals assessment

Metals assessment of  chromium in sediment at Bann Estuary


Related pages

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