Projects

CSEMP assessment of zinc in sediment at Cosheston Point (Milford Haven)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-76.91-75.4141.45-82.91
linear2-77.02-74.1142.51-85.022.109 10.1465
smooth (df = 2)3-78.55-73.5544.27-88.553.530 10.0603
smooth (df = 3)4-85.70-77.7048.85-97.709.156 10.0025
smooth (df = 4)5-85.84-73.5949.92-99.842.140 10.1435

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920145.3454.917-0.4280 0.1107-3.8660.0026
last 20 years199920145.3454.917-0.4280 0.1107-3.8660.0026

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC136.62122.00-0.11321 0.07276-1.5560.9260
ERL136.62150.00 0.09340 0.07276 1.2840.1128

 


Raw data with supporting information

Raw data with supporting information for assessment of  zinc in sediment at Cosheston Point (Milford Haven)


Raw data with assessment

Raw data with assessment of  zinc in sediment at Cosheston Point (Milford Haven)


Assessment plot

Assessment plot for  zinc in sediment at Cosheston Point (Milford Haven)


Metals data

Metals data for assessment of  zinc in sediment at Cosheston Point (Milford Haven)


Metals assessment

Metals assessment of  zinc in sediment at Cosheston Point (Milford Haven)


Related pages

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