Configuration settings that are project-specific are accessed via Edit » Project Options. These settings are saved with your project, and if you share the project with another person, the settings will persist.
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Here you can configure the default display units used in Source. On the Category Defaults tab, model properties have been grouped logically into categories (Figure 3, Table 1), allowing you to set different unit preferences for each category. For example, you can choose different preferences for rainfall and depth, although they both use the same dimension of length. The available categories are and , their system defaults and their dimensions are listed in Table 1. On the Defaults tab, you can configure the defaults used for properties not associated with any category (Figure 4). The available properties and dimensions, their system defaults, and the other available unit options are listed in Table 2.
Figure 3. Unit Preferences, Category defaults
Figure 4. Unit Preferences, Defaults not in a category
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Category | System default | Category dimensions |
|---|---|---|
| Crop area | hectare (ha) | Length2 |
| Depletion | millimetres (mm) | Length |
| Depth and elevation | metres (m) | Length |
| Extraction or demand rate | megalitres per day (ML/d) | Length3.Time−1 |
| Extraction or demand volume | megalitres (ML) | Length3 |
| Flow rate | megalitres per day (ML/d) | Length3.Time−1 |
| Flow volume | megalitres (ML) | Length3 |
| Moisture | millimetres (mm) | Length |
| Rainfall and evaporation depth | millimetres (mm) | Length |
| Rainfall and evaporation rate | millimetres per day (mm/d) | Length3.Time−1 |
| River length | kilometres (km) | Length |
| Storage/Wetland volume | megalitres (ML) | Length3 |
| Water surface area (storage/wetland or river reach area) | square kilometres (km2) |
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| Length2 |
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Property dimensions | System default | Other available options |
|---|---|---|
| Currency | dollars ($) | – |
| Dimensionless | no unit selected (None) | – |
| Dimensionless Constant | percent (%) | proportion |
| Length | metres (m) | centimetres (cm) kilometres (km) feet (ft) |
| Length−1 | kilometres per square kilometre (km/km2) | hectare per megalitre (ha/ML) |
| Length−1.Currency | dollars per metre ($/m) | dollars per kilometre ($/km) |
| Length−1.Mass | tonnes per kilometre (t/ |
| km) | – | |
| Length.Time−1 | millimetres per day (mm/d) | metres per second (m/s) millimetres per year (mm/y) metres per year (m/y) metres per day (m/d) millimetres per hour (mm/h) |
| Length2 | hectare (ha) | square centimetres (cm2) square metres (m2) square kilometres (km2) square feet (ft2) acre (ac) million acres (Mac) |
| Length−2.Currency | dollars per square metre ($/m2) | dollars per square kilometre ($/km2) dollars per hectare ($/ha2) |
| Length−2.Mass | tonnes per hectare (t/ha) | tonnes per square kilometre (t/km2) |
| Length2.Time−1 | metres squared per day (m2/d) | metres squared per second (m2/s) hectares per day (ha/d) |
| Length3 | megalitres (ML) | cubic centimetres (cm3) cubic metres (m3) litres (L) gigalitres (GL) acre feet (ac-ft) million acre feet (MAF) cubic kilometres (km3) cubic feet (ft3) thousand cubic feet (kft3) million cubic metres (MCM) hectare metres (Ham) |
| Length−3.Currency | dollars per cubic metre ($/m3) | dollars per megalitre ($/ML) dollars per litre ($/L) |
| Length−3.Mass | milligrams per litre (mg/L) | grams per litre (g/L) micrograms per litre (μg/L) kilograms per cubic metre (kg/m3) tonnes per cubic metre (t/m3) |
| Length3.Time−1 |
| megalitres per day (ML/d) | megalitres per year (ML/y) megalitres per week (ML/wk) gigalitres per day (GL/d) litres per second (L/s) cubic metres per second (m3/s) kilolitres per day (kL/d) kilolitres per year (kL/y) cubic feet per second (ft3/s) thousand cubic feet per second (kft3/s) million cubic metres per day (MCM/d) | |
| Mass | kilograms (kg) | micrograms (μg) milligrams (mg) grams (g) metric ton (t) megaTon (Mt) kilotonne (kt) |
| Mass−1.Currency | dollars per tonne ($/t) | dollars per kilogram ($/kg) |
| Mass.Time−1 | kilograms per day (kg/d) | tonnes per year (t/y) tonnes per day (t/d) kilograms per year (kg/y) kilograms per second (kg/s) kilotonnes per year (kt/y) kilotonnes per day (kt/d) |
| Time | day (d) | second (s) minute (min) 6 minute (sixMin) hour (h) week (wk) year (y) |
| Time−1.Currency | dollars per year ($/y) | – |
| Time −1.Mass.Length−1 | tonnes per kilometre per year (t/km/y) | – |
| Time −1.Mass.Length−2 | tonnes per square kilometre per year (t/km2/y) | tonnes per hectare per year (t/ha/y) |
| Time −3.Mass.Length2 | kilowatt (kW) | megawatt (MW) gigawatt (GW) watts (W) |
| Time −4.Mass.Length2 | kilowatt hours (kWh) |
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megawatt hours (MWh) gigawatt hours (GWh) |