Projects

CSEMP assessment of arsenic in sediment at Lough Foyle

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean131.0333.28-12.5125.03
linear232.8437.41-12.4224.840.191 10.6623
smooth (df = 2)334.6442.98-12.3224.640.194 10.6598
smooth (df = 3)436.4850.88-12.2424.480.158 10.6908

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200320172.59892.69790.099040.226560.4370.6723
last 20 years200320172.59892.69790.099040.226560.4370.6723

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC14.84925.0000.52090.12614.1320.0013

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  arsenic in sediment at Lough Foyle


Assessment plot

Assessment plot for  arsenic in sediment at Lough Foyle


Metals data

Metals data for assessment of  arsenic in sediment at Lough Foyle


Metals assessment

Metals assessment of  arsenic 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