Projects

CSEMP assessment of chromium in sediment at Lough Foyle

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean10.33 2.582.84-5.67
linear21.79 6.363.11-6.210.542 10.4618
smooth (df = 2)32.8411.173.58-7.160.947 10.3306
smooth (df = 3)44.8119.213.60-7.190.032 10.8584

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200320174.2594.4190.160920.217110.7410.4775
last 20 years200320174.2594.4190.160920.217110.7410.4775

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
ERL83.0581.00-0.02498 0.11829-0.2110.5813

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  chromium in sediment at Lough Foyle


Assessment plot

Assessment plot for  chromium in sediment at Lough Foyle


Metals data

Metals data for assessment of  chromium in sediment at Lough Foyle


Metals assessment

Metals assessment of  chromium in sediment at Lough Foyle


Related pages

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