Marine Environment Monitoring and Assessment National database (MERMAN)
Location of station  MorayF_OuterCromartyFirth_se05 (Cromarty Firth @ dispersed 4)
Location of station at Cromarty Firth @ dispersed 4 ©

CSEMP assessment of arsenic in sediment at Cromarty Firth @ dispersed 4

Statistical analysis

Details

Media : Sediment (<63 micron fraction)
Station : MorayF_OuterCromartyFirth_se05 (Cromarty Firth @ dispersed 4)
Determinand : Arsenic
Units : mg kg -1 dry weight normalised to 5% aluminium
Data extraction : 1 September 2014

Trend assessment

Analysis of variance

 DfSum SqMean SqF ValuePr(>F)
linear10.015170.015170.52540.521
residual30.086610.02887

Change in last fifteen years

 ConcLog ConcStd. Errort valuePr(>|t|)
2006 9.215 2.22080.1194
2012 7.810 2.05540.1622
Diff-15.239%-0.16530.2281-0.72490.521

Status assessment

 Fitted ConcRef ConcLog FitLog RefDiffStd. Errort valuePr(>t)
BAC7.81252.0553.2191.1630.16227.1720.002792

 


Raw data with supporting information

Raw data with supporting information for assessment of  arsenic in sediment at Cromarty Firth @ dispersed 4


Raw data with assessment

Raw data with assessment of  arsenic in sediment at Cromarty Firth @ dispersed 4


Assessment plot

Assessment plot for  arsenic in sediment at Cromarty Firth @ dispersed 4


Metals data

Metals data for assessment of  arsenic in sediment at Cromarty Firth @ dispersed 4


Metals assessment

Metals assessment of  arsenic in sediment at Cromarty Firth @ dispersed 4


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