Projects

CSEMP assessment of mercury in sediment at Lough Foyle

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean173.4976.49-33.7467.49
linear274.8281.22-33.4166.820.663 10.4155
smooth (df = 2)376.7589.25-33.3866.750.069 10.7922

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20072017-2.857-3.256-0.3994 0.4816-0.8290.4344
last 20 years20072017-2.857-3.256-0.3994 0.4816-0.8290.4344

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.038530.070000.59700.31121.9180.0483
ERL0.038530.150001.35910.31124.3670.0016

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  mercury in sediment at Lough Foyle


Assessment plot

Assessment plot for  mercury in sediment at Lough Foyle


Metals data

Metals data for assessment of  mercury in sediment at Lough Foyle


Metals assessment

Metals assessment of  mercury 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