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Service Description: Data used to generate this dataset was obtained from Scottish Environment Protection Agency (SEPA). The original data were tabular daily data and these were aggregated to yearly data and joined with sites spatial information. The table with the dataset contains information about yearly discharge (cubic meters per second 1992 - 2012), mean, maximum, minimum and standard deviation for each 48 major rivers in Scotland. The data was aggregated into yearly summaries by the James Hutton Institute.
Map Name: Main River Discharge
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Copyright Text: SEPA Crown Copyright 2016, James Hutton Institute 2016.
Spatial Reference:
27700
(27700)
Single Fused Map Cache: false
Initial Extent:
XMin: 45147.66615384599
YMin: 686792.9907692308
XMax: 559151.3338461539
YMax: 979543.2000000002
Spatial Reference: 27700
(27700)
Full Extent:
XMin: 194186
YMin: 559917
XMax: 410113
YMax: 959561
Spatial Reference: 27700
(27700)
Units: esriMeters
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
Document Info:
Title: Soils_250K_repairs_01
Author: dd40096
Comments: Methodology
1. Data on the individual soil profiles held within the Scottish Soils Database were used to determine the texture of each soil series shown on the 1:25 000 scale maps that delineate the NVZs.
2. The measured particle size data for each soil horizon (layer) was classified to a depth of 80 cm into a soil texture type based on the British Standard Texture Classes and assigned to one of the five categories (shallow soils - SS, sands - S, sandy loams - SL, other mineral soils - OMS, humose soils - HS, peaty soils - PS.
3. The digitial soils data were categorised according to these classes using expert knowledge to interpret the 1:25 000 soil series maps.
4. Where a soil series could not be allocated to one of these classes, for example, where soil textures changed abruptly with depth or where there were a significant proportion of the soil profiles examined had a different soil texture class, they were allocated to a hybrid class.
Soil Texture Assessment
1. Does the moist soil feel or sound gritty? No -> 5, Yes -> 2
2. Is the soil cohesive? No -> Sand, Yes -> 3
3. Can the soil be rolled into a ball? No -> Loamy sand, Yes -> 4
4. Does the soil feel smooth and silky as well as gritty? No -> Sandy loam, Yes -> Sandy silt loam
5. Does the soil mould to form an easily deformed ball and feel smooth and silky? No -> 6, Yes -> Silt loam
6. Does the soil mould to form a strong ball that smears but does not take a polish? No -> 9, Yes -> 7
7. Is the soil also rough and gritty? No -> 8, Yes -> Sandy clay loam
8. Is the soil also smooth and silky? No -> Clay loam!, Yes -> Silty clay loam
9. Does the soil mould like plasticine, polish and feel very sticky when wetter? No -> Start again!, Yes -> 10
10. Is the soil also rough and gritty? No -> 11, Yes -> Sandy clay
11. Is the soil also smooth and buttery No - > Clay, Yes -> Silty clay
Subject: Soil texture based on Hutton 1:25,000 Soils Data. Updated in July 2016 to cover Nitrate Vulnerable Zones as revised in 2015/16.
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Keywords: Inland waters,water discharges,environment,water,flow
AntialiasingMode: None
TextAntialiasingMode: Force
Supports Dynamic Layers: false
MaxRecordCount: 1000
MaxImageHeight: 4096
MaxImageWidth: 4096
Supported Query Formats: JSON, geoJSON
Supports Query Data Elements:
Min Scale: 0
Max Scale: 0
Supports Datum Transformation: true
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