Projects

CSEMP assessment of chromium in sediment at Gabbard 2 (Thames)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean114.1517.75-4.078.15
linear214.6322.63-3.326.631.514 10.2185
smooth (df = 2)315.3231.99-2.665.321.314 10.2517

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120174.4334.7820.34890.26581.3130.2373
last 20 years200120174.4334.7820.34890.26581.3130.2373

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
ERL119.36 81.00-0.3877 0.1589-2.4400.9748

 


Raw data with supporting information

Raw data with supporting information for assessment of  chromium in sediment at Gabbard 2 (Thames)


Raw data with assessment

Raw data with assessment of  chromium in sediment at Gabbard 2 (Thames)


Assessment plot

Assessment plot for  chromium in sediment at Gabbard 2 (Thames)


Metals data

Metals data for assessment of  chromium in sediment at Gabbard 2 (Thames)


Metals assessment

Metals assessment of  chromium in sediment at Gabbard 2 (Thames)


Related pages

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