Digital Soil Mapping

in support of ISIS

Thomas Mayr

Cranfield University

t.mayr@cranfield.ac.uk

Acknowledgements

Cranfield University – National Soil Resources Institute

Thomas Mayr

Ronald Corstanje

Joanna Zawadzka

Teagasc – Spatial Analysis Unit

Reamonn Fealy

Giuseppe Lo Papa

Teagasc – Johnstown Castle Research Centre

Rachel Creamer

Eddie McDonald

State-of-the-Art

• Historic: National Soil Survey (An Foras Taluntais)

• Full survey: c 44% of country

• Generalised reconnaissance: 56% of country

• Data format: paper, some digitised

• Data storage: local, not public

• Daly & Fealy (2007): Scoping study on SIS

Digital Soil Mapping

Data compilation

Data compilation

General Soil Map

Pot Evapotranspiration Habitat Map

Elevation

Subsoil MapConMap

Stratification

Inference

Deployment

Feature Space Analysis Bayesian Belief Network

Validation

10,363 auger bores

Data Fusion

Accuracy

Number of observations

Source maps

Final Map