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NSI site
The National Soil Inventory (NSI) site data is a spatial, point dataset
with 6,127 points, located in a 5km grid across England and Wales.
NSI site provides a in depth description of the general land features
at each of the NSI points across England and Wales.
NSI site contains data on the land use, slope, slope form, influence
of man on the landscape, rock outcrops, the altitude, aspect, erosion
and deposition features and a description of the rock type. As such,
NSI site gives a comprehensive description of the sites in which these
inventory points were taken.
NSI site has proved useful for those who would like to have a good
picture of the landscape across these two countries, for instance in
a project examining the link between erosional features and the amount
of Carbon in the upper 15cm of soil.
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NSI site data and description
The table below describes the various properties within this data product.
Each point contains the information outlined below.
| Property |
Example from data |
Description |
| EAST_NSI |
396000 |
National Grid reference easting at 5km resolution with 1km offset
from true grid |
| NORTH_NSI |
216000 |
National Grid reference northing at 5km resolution with 1km offset
from true grid |
| EASTING |
396000 |
National Grid reference easting of the actual location surveyed |
| NORTHING |
216100 |
National Grid reference northing of the actual location surveyed |
| SURVEYDATE |
220182 |
Date of observation |
| SERIES_NAME |
DIDMARTON |
The name of the soil series, the basic unit of soil taxonomic classification,
named after the place where they were first described |
| VARIANT |
|
Code to indicate that the profile is a variation of the defined soil
series classification |
| SUBGROUP |
5.14 |
Number used to define a subgroup incorporating the major group, group
and subgroup i.e.3.11, being the third level of soil taxonomic classification
based on features which further define the inherent characteristics
of the soil material |
| LANDUSE |
permanent grassland |
Classification of Land use in to 17 classes |
| SLOPE |
2 |
Slope in degrees |
| SLOPEFORM |
straight |
Slope form along the direction of the true slope (concaved, straight
or convexed) |
| MADE_GROUND |
Made land - Mining |
Identification of sites which have been made or reclaimed by man’s
influence |
| OUTCROP |
|
Proportion of rock outcrops within 100m of the profile |
| ALT |
750 |
Altitude (m) above Ordnance Datum (OD) |
| ASPECT |
SSE |
Compass point (bearing code e.g. NNE) |
| EROSION |
|
Classification of surface features formed by erosion of soil material |
| DEPOSITION |
|
Classification of surface features formed by the accumulation of
soil material |
| ROCKTYPE |
calcareous oolitic limestone |
Classification of rock based on recent Geological Survey and other
modern publications |
|
