Marine Environment Monitoring and Assessment National database (MERMAN)
Location of station  MorayF_OuterCromartyFirth_se04 (Cromarty Firth @ dispersed 3)
Location of station at Cromarty Firth @ dispersed 3 ©

CSEMP assessment of arsenic in sediment at Cromarty Firth @ dispersed 3

Statistical analysis

Details

Media : Sediment (<63 micron fraction)
Station : MorayF_OuterCromartyFirth_se04 (Cromarty Firth @ dispersed 3)
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)
linear10.010090.010090.090880.7828
residual30.333060.11102

Change in last fifteen years

 ConcLog ConcStd. Errort valuePr(>|t|)
2006 9.439 2.24490.2288
2012 8.281 2.11400.3001
Diff-12.269%-0.13090.4342-0.30150.7828

Status assessment

 Fitted ConcRef ConcLog FitLog RefDiffStd. Errort valuePr(>t)
BAC8.281252.1143.2191.1050.30013.6810.01736

 


Raw data with supporting information

Raw data with supporting information for assessment of  arsenic in sediment at Cromarty Firth @ dispersed 3


Raw data with assessment

Raw data with assessment of  arsenic in sediment at Cromarty Firth @ dispersed 3


Assessment plot

Assessment plot for  arsenic in sediment at Cromarty Firth @ dispersed 3


Metals data

Metals data for assessment of  arsenic in sediment at Cromarty Firth @ dispersed 3


Metals assessment

Metals assessment of  arsenic in sediment at Cromarty Firth @ dispersed 3


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