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Summary

Narrow curvilinear earthwork ditches interpreted as the gutters of a 19th century catch meadow irrigation system are visible on aerial photographs taken from 1946 onwards and on visualisations derived from lidar data captured between 1998 and 2017. The system had mostly fallen out of use by the late 19th century.

Location

Protected Status: none recorded

Other References/Statuses: none recorded

Monument Type(s) and Dates

• CATCH MEADOW (XIX - 1801 AD to 1900 AD (Between))

Full description

Ordnance Survey, 1880-1899, First Edition Ordnance 25 inch map (Cartographic). SDV336179.

One of the earthwork gutters correspond with a water channel.

Royal Air Force, 1946, RAF/CPE/UK/1890, Devon County Council RAF/CPE/UK/1890 1052-1053 10-DEC-1946 (Aerial Photograph). SDV169268.

Narrow curvilinear ditches are visible as earthworks.

Environment Agency, 1998-2017, LiDAR DTM data (1m resolution) EA: South Devon Coast to Dartmoor, LIDAR SX7346 Environment Agency DTM 01-JAN-1998 to 31-MAY-2017 (Cartographic). SDV361470.

Narrow curvilinear ditches are visible as earthworks.

Hegarty, C., Knight, S. and Sims, R., 2019-2020, The South Devon Coast to Dartmoor Aerial Investigation and Mapping Survey. Area 2, Avon Valley to Plymouth (AI&M, formerly NMP) (Interpretation). SDV362982.

Narrow curvilinear ditches, less than 2m wide, are visible as earthworks on aerial photographs taken from 1946 onwards and on visualisations derived from lidar data captured between 1998 and 2017. The earthwork channels follow the contours of the east and west facing combe slopes and occupy an area of circa 7.6 hectares. They are interpreted as the gutters of a 19th century catch meadow irrigation system which tapped a spring-fed stream that rises at the eastern extent of the earthworks. A single narrow curvilinear bank visible at circa SX73324678 is possibly associated with this system and so has been included within this monument polygon. One of the earthwork gutters correspond with a water channel depicted on the late 19th century Ordnance Survey map, suggesting that the system had mostly fallen out of use by this time. Catch meadow systems are designed to irrigate pasture by diverting water from a spring or stream. The water is carried along the valley sides via one or more channels or gutters and when irrigation was required the gutters were blocked, causing water to overflow from gutter to gutter, thereby irrigating the slopes. This film of water prevented the ground freezing during the winter and raised the temperature of the grass in the spring, thereby encouraging early growth, particularly important during the hungry gap of March and April.

Sources / Further Reading

Associated Monuments: none recorded

Associated Finds: none recorded

Associated Events

• EDV8098 - The South Devon Coast to Dartmoor Aerial Investigation and Mapping (formerly NMP) Survey, Area 2, Avon Valley to Plymouth (Ref: ACD2040)

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