Agricultural Land Classification detailed Post 1988 survey ALCC01697

Scanned paper maps and survey reports from the Post-1988 Agricultural Land Classification (ALC) detailed site survey for Great Bromley. The data was collected by the Ministry of Agriculture, Fisheries and Food between 1989 and 1999, using grading methodology that subdivides Grade 3 land. Some surveys include unedited sample point soils data and soil pit descriptions.

Use Cases

• Classify agricultural land capability based on the detailed grading methodology described in the survey reports.
• Analyze historical soil characteristics and land quality for a specific site using the available soil pit descriptions and point data.
• Map land use suitability over time by integrating scanned historical survey maps with modern geospatial data.

Strengths

• Includes the subdivision of Grade 3 land into subgrades 3a and 3b, providing more detailed classification.
• Original survey maps are available at scales from 1:5,000 to 1:50,000, typically 1:10,000.
• Some surveys contain unedited sample point soils data and soil pit descriptions.

Limitations

• Row count and column-level documentation are absent; field semantics must be inferred after download.
• Last update date is unknown; freshness unverified.
• Data may reflect temporal bias inherent to the 1989-1999 collection period.

Provenance

Source

Ministry of Agriculture, Fisheries and Food (survey), Natural England and Ordnance Survey (copyright).

Collection Method

Detailed site surveys involving field mapping and soil analysis, with results recorded on paper maps and in reports.

Time Range

1989 to 1999

Freshness

Data collection occurred between 1989 and 1999; last update is unknown.

Geography

Great Bromley, England (specific site survey).