ALCR03691: Post-1988 Agricultural Land Classification Survey for Chalfont, Warren Farm

Post 1988 Agricultural Land Classification (ALC) site survey data for Chalfont, Warren Farm. The dataset contains scanned original paper maps and survey reports for sites surveyed in detail between 1989 and 1999 by the Ministry of Agriculture, Fisheries and Food. It includes the subdivision of Grade 3 land into subgrades 3a and 3b, and for some surveys, unedited sample point soils data and soil pit descriptions.

Use Cases

• Classify agricultural land capability based on the grading methodology described in the survey reports.
• Analyze historical soil characteristics and land quality based on the available soil pit descriptions and sample point data.
• Map land use suitability for planning or environmental impact assessments using the scanned geospatial maps.
• Study temporal changes in land classification by comparing this post-1988 survey with earlier datasets.

Strengths

• Survey data uses the current grading methodology as described in the official 'Agricultural Land Classification of England and Wales' document.
• Includes the subdivision of Grade 3 land into subgrades 3a and 3b, providing more granular detail.
• For some surveys, unedited sample point soils data and soil pit descriptions are available.

Limitations

• Row count and file formats are unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• Last update date is unknown; freshness unverified.

Provenance

Source

Ministry of Agriculture, Fisheries and Food; data provided by Natural England and the Government Digital Service.

Collection Method

Detailed site surveys conducted between 1989 and 1999, with results captured in original paper maps and reports.

Time Range

1989 to 1999

Freshness

Survey data is from 1989 to 1999; last update date for the dataset is unknown.

Geography

Chalfont, Warren Farm in England and Wales (specific site).