Projects

CSEMP assessment of chromium in sediment at Channel

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean117.7120.28-5.8611.71
linear215.6320.96-3.82 7.634.081 10.0434
smooth (df = 2)317.3227.32-3.66 7.320.314 10.5751
smooth (df = 3)418.5736.57-3.29 6.570.743 10.3886

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120174.4054.8230.41770.19442.1480.0639
last 20 years200120174.4054.8230.41770.19442.1480.0639

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
ERL124.3 81.0-0.4282 0.1329-3.2230.9939

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  chromium in sediment at Channel


Assessment plot

Assessment plot for  chromium in sediment at Channel


Metals data

Metals data for assessment of  chromium in sediment at Channel


Metals assessment

Metals assessment of  chromium in sediment at Channel


Related pages

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