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Given the following text description, write Python code to implement the functionality described below step by step
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Description:
 ES-DOC CMIP6 Model Properties - Aerosol
MIP Era
Step1:  Document Authors
Set document authors
Step2:  Document Contributors
Specify document contributors
Step3:  Document Publication
Specify document publication status
Step4:  Document Table of Contents
1. Key Properties
2. Key Properties --&gt; Software Properties
3. Key Properties --&gt; Timestep Framework
4. Key Properties --&gt; Meteorological Forcings
5. Key Properties --&gt; Resolution
6. Key Properties --&gt; Tuning Applied
7. Transport
8. Emissions
9. Concentrations
10. Optical Radiative Properties
11. Optical Radiative Properties --&gt; Absorption
12. Optical Radiative Properties --&gt; Mixtures
13. Optical Radiative Properties --&gt; Impact Of H2o
14. Optical Radiative Properties --&gt; Radiative Scheme
15. Optical Radiative Properties --&gt; Cloud Interactions
16. Model  
1. Key Properties
Key properties of the aerosol model
1.1. Model Overview
Is Required
Step5:  1.2. Model Name
Is Required
Step6:  1.3. Scheme Scope
Is Required
Step7:  1.4. Basic Approximations
Is Required
Step8:  1.5. Prognostic Variables Form
Is Required
Step9:  1.6. Number Of Tracers
Is Required
Step10:  1.7. Family Approach
Is Required
Step11:  2. Key Properties --&gt; Software Properties
Software properties of aerosol code
2.1. Repository
Is Required
Step12:  2.2. Code Version
Is Required
Step13:  2.3. Code Languages
Is Required
Step14:  3. Key Properties --&gt; Timestep Framework
Physical properties of seawater in ocean
3.1. Method
Is Required
Step15:  3.2. Split Operator Advection Timestep
Is Required
Step16:  3.3. Split Operator Physical Timestep
Is Required
Step17:  3.4. Integrated Timestep
Is Required
Step18:  3.5. Integrated Scheme Type
Is Required
Step19:  4. Key Properties --&gt; Meteorological Forcings
**
4.1. Variables 3D
Is Required
Step20:  4.2. Variables 2D
Is Required
Step21:  4.3. Frequency
Is Required
Step22:  5. Key Properties --&gt; Resolution
Resolution in the aersosol model grid
5.1. Name
Is Required
Step23:  5.2. Canonical Horizontal Resolution
Is Required
Step24:  5.3. Number Of Horizontal Gridpoints
Is Required
Step25:  5.4. Number Of Vertical Levels
Is Required
Step26:  5.5. Is Adaptive Grid
Is Required
Step27:  6. Key Properties --&gt; Tuning Applied
Tuning methodology for aerosol model
6.1. Description
Is Required
Step28:  6.2. Global Mean Metrics Used
Is Required
Step29:  6.3. Regional Metrics Used
Is Required
Step30:  6.4. Trend Metrics Used
Is Required
Step31:  7. Transport
Aerosol transport
7.1. Overview
Is Required
Step32:  7.2. Scheme
Is Required
Step33:  7.3. Mass Conservation Scheme
Is Required
Step34:  7.4. Convention
Is Required
Step35:  8. Emissions
Atmospheric aerosol emissions
8.1. Overview
Is Required
Step36:  8.2. Method
Is Required
Step37:  8.3. Sources
Is Required
Step38:  8.4. Prescribed Climatology
Is Required
Step39:  8.5. Prescribed Climatology Emitted Species
Is Required
Step40:  8.6. Prescribed Spatially Uniform Emitted Species
Is Required
Step41:  8.7. Interactive Emitted Species
Is Required
Step42:  8.8. Other Emitted Species
Is Required
Step43:  8.9. Other Method Characteristics
Is Required
Step44:  9. Concentrations
Atmospheric aerosol concentrations
9.1. Overview
Is Required
Step45:  9.2. Prescribed Lower Boundary
Is Required
Step46:  9.3. Prescribed Upper Boundary
Is Required
Step47:  9.4. Prescribed Fields Mmr
Is Required
Step48:  9.5. Prescribed Fields Mmr
Is Required
Step49:  10. Optical Radiative Properties
Aerosol optical and radiative properties
10.1. Overview
Is Required
Step50:  11. Optical Radiative Properties --&gt; Absorption
Absortion properties in aerosol scheme
11.1. Black Carbon
Is Required
Step51:  11.2. Dust
Is Required
Step52:  11.3. Organics
Is Required
Step53:  12. Optical Radiative Properties --&gt; Mixtures
**
12.1. External
Is Required
Step54:  12.2. Internal
Is Required
Step55:  12.3. Mixing Rule
Is Required
Step56:  13. Optical Radiative Properties --&gt; Impact Of H2o
**
13.1. Size
Is Required
Step57:  13.2. Internal Mixture
Is Required
Step58:  14. Optical Radiative Properties --&gt; Radiative Scheme
Radiative scheme for aerosol
14.1. Overview
Is Required
Step59:  14.2. Shortwave Bands
Is Required
Step60:  14.3. Longwave Bands
Is Required
Step61:  15. Optical Radiative Properties --&gt; Cloud Interactions
Aerosol-cloud interactions
15.1. Overview
Is Required
Step62:  15.2. Twomey
Is Required
Step63:  15.3. Twomey Minimum Ccn
Is Required
Step64:  15.4. Drizzle
Is Required
Step65:  15.5. Cloud Lifetime
Is Required
Step66:  15.6. Longwave Bands
Is Required
Step67:  16. Model
Aerosol model
16.1. Overview
Is Required
Step68:  16.2. Processes
Is Required
Step69:  16.3. Coupling
Is Required
Step70:  16.4. Gas Phase Precursors
Is Required
Step71:  16.5. Scheme Type
Is Required
Step72:  16.6. Bulk Scheme Species
Is Required
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Python Code:
# DO NOT EDIT !  
from pyesdoc.ipython.model_topic import NotebookOutput  
# DO NOT EDIT !  
DOC = NotebookOutput('cmip6', 'nuist', 'sandbox-1', 'aerosol')
Explanation: ES-DOC CMIP6 Model Properties - Aerosol
MIP Era: CMIP6
Institute: NUIST
Source ID: SANDBOX-1
Topic: Aerosol
Sub-Topics: Transport, Emissions, Concentrations, Optical Radiative Properties, Model. 
Properties: 69 (37 required)
Model descriptions: Model description details
Initialized From: --  
Notebook Help: Goto notebook help page
Notebook Initialised: 2018-02-15 16:54:34
Document Setup
IMPORTANT: to be executed each time you run the notebook
End of explanation
# Set as follows: DOC.set_author("name", "email")  
# TODO - please enter value(s)
Explanation: Document Authors
Set document authors
End of explanation
# Set as follows: DOC.set_contributor("name", "email")  
# TODO - please enter value(s)
Explanation: Document Contributors
Specify document contributors
End of explanation
# Set publication status:  
# 0=do not publish, 1=publish.   
DOC.set_publication_status(0)
Explanation: Document Publication
Specify document publication status
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.model_overview')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: Document Table of Contents
1. Key Properties
2. Key Properties --&gt; Software Properties
3. Key Properties --&gt; Timestep Framework
4. Key Properties --&gt; Meteorological Forcings
5. Key Properties --&gt; Resolution
6. Key Properties --&gt; Tuning Applied
7. Transport
8. Emissions
9. Concentrations
10. Optical Radiative Properties
11. Optical Radiative Properties --&gt; Absorption
12. Optical Radiative Properties --&gt; Mixtures
13. Optical Radiative Properties --&gt; Impact Of H2o
14. Optical Radiative Properties --&gt; Radiative Scheme
15. Optical Radiative Properties --&gt; Cloud Interactions
16. Model  
1. Key Properties
Key properties of the aerosol model
1.1. Model Overview
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Overview of aerosol model.
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.model_name')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 1.2. Model Name
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Name of aerosol model code
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.scheme_scope')  
# PROPERTY VALUE(S): 
# Set as follows: DOC.set_value("value")  
# Valid Choices: 
#      "troposhere"  
#      "stratosphere"  
#      "mesosphere"  
#      "mesosphere"  
#      "whole atmosphere"  
#      "Other: [Please specify]"  
# TODO - please enter value(s)
Explanation: 1.3. Scheme Scope
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: ENUM&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.N
Atmospheric domains covered by the aerosol model
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.basic_approximations')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 1.4. Basic Approximations
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Basic approximations made in the aerosol model
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.prognostic_variables_form')  
# PROPERTY VALUE(S): 
# Set as follows: DOC.set_value("value")  
# Valid Choices: 
#      "3D mass/volume ratio for aerosols"  
#      "3D number concenttration for aerosols"  
#      "Other: [Please specify]"  
# TODO - please enter value(s)
Explanation: 1.5. Prognostic Variables Form
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: ENUM&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.N
Prognostic variables in the aerosol model
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.number_of_tracers')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# TODO - please enter value(s)
Explanation: 1.6. Number Of Tracers
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: INTEGER&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Number of tracers in the aerosol model
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.family_approach')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# Valid Choices: 
#     True  
#     False  
# TODO - please enter value(s)
Explanation: 1.7. Family Approach
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: BOOLEAN&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Are aerosol calculations generalized into families of species?
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.software_properties.repository')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 2. Key Properties --&gt; Software Properties
Software properties of aerosol code
2.1. Repository
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
Location of code for this component.
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.software_properties.code_version')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 2.2. Code Version
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
Code version identifier.
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.software_properties.code_languages')  
# PROPERTY VALUE(S): 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 2.3. Code Languages
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.N
Code language(s).
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.timestep_framework.method')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# Valid Choices: 
#      "Uses atmospheric chemistry time stepping"  
#      "Specific timestepping (operator splitting)"  
#      "Specific timestepping (integrated)"  
#      "Other: [Please specify]"  
# TODO - please enter value(s)
Explanation: 3. Key Properties --&gt; Timestep Framework
Physical properties of seawater in ocean
3.1. Method
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: ENUM&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Mathematical method deployed to solve the time evolution of the prognostic variables
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.timestep_framework.split_operator_advection_timestep')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# TODO - please enter value(s)
Explanation: 3.2. Split Operator Advection Timestep
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: INTEGER&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
Timestep for aerosol advection (in seconds)
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.timestep_framework.split_operator_physical_timestep')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# TODO - please enter value(s)
Explanation: 3.3. Split Operator Physical Timestep
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: INTEGER&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
Timestep for aerosol physics (in seconds).
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.timestep_framework.integrated_timestep')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# TODO - please enter value(s)
Explanation: 3.4. Integrated Timestep
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: INTEGER&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Timestep for the aerosol model (in seconds)
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.timestep_framework.integrated_scheme_type')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# Valid Choices: 
#      "Explicit"  
#      "Implicit"  
#      "Semi-implicit"  
#      "Semi-analytic"  
#      "Impact solver"  
#      "Back Euler"  
#      "Newton Raphson"  
#      "Rosenbrock"  
#      "Other: [Please specify]"  
# TODO - please enter value(s)
Explanation: 3.5. Integrated Scheme Type
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: ENUM&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Specify the type of timestep scheme
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.meteorological_forcings.variables_3D')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 4. Key Properties --&gt; Meteorological Forcings
**
4.1. Variables 3D
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
Three dimensionsal forcing variables, e.g. U, V, W, T, Q, P, conventive mass flux
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.meteorological_forcings.variables_2D')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 4.2. Variables 2D
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
Two dimensionsal forcing variables, e.g. land-sea mask definition
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.meteorological_forcings.frequency')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# TODO - please enter value(s)
Explanation: 4.3. Frequency
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: INTEGER&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
Frequency with which meteological forcings are applied (in seconds).
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.resolution.name')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 5. Key Properties --&gt; Resolution
Resolution in the aersosol model grid
5.1. Name
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
This is a string usually used by the modelling group to describe the resolution of this grid, e.g. ORCA025, N512L180, T512L70 etc.
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.resolution.canonical_horizontal_resolution')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 5.2. Canonical Horizontal Resolution
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
Expression quoted for gross comparisons of resolution, eg. 50km or 0.1 degrees etc.
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.resolution.number_of_horizontal_gridpoints')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# TODO - please enter value(s)
Explanation: 5.3. Number Of Horizontal Gridpoints
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: INTEGER&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
Total number of horizontal (XY) points (or degrees of freedom) on computational grid.
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.resolution.number_of_vertical_levels')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# TODO - please enter value(s)
Explanation: 5.4. Number Of Vertical Levels
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: INTEGER&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
Number of vertical levels resolved on computational grid.
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.resolution.is_adaptive_grid')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# Valid Choices: 
#     True  
#     False  
# TODO - please enter value(s)
Explanation: 5.5. Is Adaptive Grid
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: BOOLEAN&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
Default is False. Set true if grid resolution changes during execution.
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.tuning_applied.description')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 6. Key Properties --&gt; Tuning Applied
Tuning methodology for aerosol model
6.1. Description
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
General overview description of tuning: explain and motivate the main targets and metrics retained. &amp;Document the relative weight given to climate performance metrics versus process oriented metrics, &amp;and on the possible conflicts with parameterization level tuning. In particular describe any struggle &amp;with a parameter value that required pushing it to its limits to solve a particular model deficiency.
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.tuning_applied.global_mean_metrics_used')  
# PROPERTY VALUE(S): 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 6.2. Global Mean Metrics Used
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.N
List set of metrics of the global mean state used in tuning model/component
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.tuning_applied.regional_metrics_used')  
# PROPERTY VALUE(S): 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 6.3. Regional Metrics Used
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.N
List of regional metrics of mean state used in tuning model/component
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.key_properties.tuning_applied.trend_metrics_used')  
# PROPERTY VALUE(S): 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 6.4. Trend Metrics Used
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.N
List observed trend metrics used in tuning model/component
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.transport.overview')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 7. Transport
Aerosol transport
7.1. Overview
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Overview of transport in atmosperic aerosol model
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.transport.scheme')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# Valid Choices: 
#      "Uses Atmospheric chemistry transport scheme"  
#      "Specific transport scheme (eulerian)"  
#      "Specific transport scheme (semi-lagrangian)"  
#      "Specific transport scheme (eulerian and semi-lagrangian)"  
#      "Specific transport scheme (lagrangian)"  
# TODO - please enter value(s)
Explanation: 7.2. Scheme
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: ENUM&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Method for aerosol transport modeling
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.transport.mass_conservation_scheme')  
# PROPERTY VALUE(S): 
# Set as follows: DOC.set_value("value")  
# Valid Choices: 
#      "Uses Atmospheric chemistry transport scheme"  
#      "Mass adjustment"  
#      "Concentrations positivity"  
#      "Gradients monotonicity"  
#      "Other: [Please specify]"  
# TODO - please enter value(s)
Explanation: 7.3. Mass Conservation Scheme
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: ENUM&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.N
Method used to ensure mass conservation.
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.transport.convention')  
# PROPERTY VALUE(S): 
# Set as follows: DOC.set_value("value")  
# Valid Choices: 
#      "Uses Atmospheric chemistry transport scheme"  
#      "Convective fluxes connected to tracers"  
#      "Vertical velocities connected to tracers"  
#      "Other: [Please specify]"  
# TODO - please enter value(s)
Explanation: 7.4. Convention
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: ENUM&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.N
Transport by convention
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.emissions.overview')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 8. Emissions
Atmospheric aerosol emissions
8.1. Overview
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Overview of emissions in atmosperic aerosol model
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.emissions.method')  
# PROPERTY VALUE(S): 
# Set as follows: DOC.set_value("value")  
# Valid Choices: 
#      "None"  
#      "Prescribed (climatology)"  
#      "Prescribed CMIP6"  
#      "Prescribed above surface"  
#      "Interactive"  
#      "Interactive above surface"  
#      "Other: [Please specify]"  
# TODO - please enter value(s)
Explanation: 8.2. Method
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: ENUM&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.N
Method used to define aerosol species (several methods allowed because the different species may not use the same method).
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.emissions.sources')  
# PROPERTY VALUE(S): 
# Set as follows: DOC.set_value("value")  
# Valid Choices: 
#      "Vegetation"  
#      "Volcanos"  
#      "Bare ground"  
#      "Sea surface"  
#      "Lightning"  
#      "Fires"  
#      "Aircraft"  
#      "Anthropogenic"  
#      "Other: [Please specify]"  
# TODO - please enter value(s)
Explanation: 8.3. Sources
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: ENUM&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.N
Sources of the aerosol species are taken into account in the emissions scheme
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.emissions.prescribed_climatology')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# Valid Choices: 
#      "Constant"  
#      "Interannual"  
#      "Annual"  
#      "Monthly"  
#      "Daily"  
# TODO - please enter value(s)
Explanation: 8.4. Prescribed Climatology
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: ENUM&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
Specify the climatology type for aerosol emissions
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.emissions.prescribed_climatology_emitted_species')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 8.5. Prescribed Climatology Emitted Species
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
List of aerosol species emitted and prescribed via a climatology
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.emissions.prescribed_spatially_uniform_emitted_species')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 8.6. Prescribed Spatially Uniform Emitted Species
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
List of aerosol species emitted  and prescribed as spatially uniform
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.emissions.interactive_emitted_species')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 8.7. Interactive Emitted Species
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
List of aerosol species emitted and specified via an interactive method
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.emissions.other_emitted_species')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 8.8. Other Emitted Species
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
List of aerosol species emitted and specified via an &quot;other method&quot;
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.emissions.other_method_characteristics')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 8.9. Other Method Characteristics
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
Characteristics of the &quot;other method&quot; used for aerosol emissions
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.concentrations.overview')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 9. Concentrations
Atmospheric aerosol concentrations
9.1. Overview
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Overview of concentrations in atmosperic aerosol model
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.concentrations.prescribed_lower_boundary')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 9.2. Prescribed Lower Boundary
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
List of species prescribed at the lower boundary.
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.concentrations.prescribed_upper_boundary')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 9.3. Prescribed Upper Boundary
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
List of species prescribed at the upper boundary.
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.concentrations.prescribed_fields_mmr')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 9.4. Prescribed Fields Mmr
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
List of species prescribed as mass mixing ratios.
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.concentrations.prescribed_fields_mmr')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 9.5. Prescribed Fields Mmr
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
List of species prescribed as AOD plus CCNs.
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.optical_radiative_properties.overview')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 10. Optical Radiative Properties
Aerosol optical and radiative properties
10.1. Overview
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Overview of optical and radiative properties
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.optical_radiative_properties.absorption.black_carbon')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# TODO - please enter value(s)
Explanation: 11. Optical Radiative Properties --&gt; Absorption
Absortion properties in aerosol scheme
11.1. Black Carbon
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: FLOAT&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
Absorption mass coefficient of black carbon at 550nm (if non-absorbing enter 0)
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.optical_radiative_properties.absorption.dust')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# TODO - please enter value(s)
Explanation: 11.2. Dust
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: FLOAT&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
Absorption mass coefficient of dust at 550nm (if non-absorbing enter 0)
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.optical_radiative_properties.absorption.organics')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# TODO - please enter value(s)
Explanation: 11.3. Organics
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: FLOAT&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
Absorption mass coefficient of organics at 550nm (if non-absorbing enter 0)
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.optical_radiative_properties.mixtures.external')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# Valid Choices: 
#     True  
#     False  
# TODO - please enter value(s)
Explanation: 12. Optical Radiative Properties --&gt; Mixtures
**
12.1. External
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: BOOLEAN&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Is there external mixing with respect to chemical composition?
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.optical_radiative_properties.mixtures.internal')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# Valid Choices: 
#     True  
#     False  
# TODO - please enter value(s)
Explanation: 12.2. Internal
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: BOOLEAN&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Is there internal mixing with respect to chemical composition?
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.optical_radiative_properties.mixtures.mixing_rule')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 12.3. Mixing Rule
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
If there is internal mixing with respect to chemical composition then indicate the mixinrg rule
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.optical_radiative_properties.impact_of_h2o.size')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# Valid Choices: 
#     True  
#     False  
# TODO - please enter value(s)
Explanation: 13. Optical Radiative Properties --&gt; Impact Of H2o
**
13.1. Size
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: BOOLEAN&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Does H2O impact size?
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.optical_radiative_properties.impact_of_h2o.internal_mixture')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# Valid Choices: 
#     True  
#     False  
# TODO - please enter value(s)
Explanation: 13.2. Internal Mixture
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: BOOLEAN&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Does H2O impact internal mixture?
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.optical_radiative_properties.radiative_scheme.overview')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 14. Optical Radiative Properties --&gt; Radiative Scheme
Radiative scheme for aerosol
14.1. Overview
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Overview of radiative scheme
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.optical_radiative_properties.radiative_scheme.shortwave_bands')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# TODO - please enter value(s)
Explanation: 14.2. Shortwave Bands
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: INTEGER&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Number of shortwave bands
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.optical_radiative_properties.radiative_scheme.longwave_bands')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# TODO - please enter value(s)
Explanation: 14.3. Longwave Bands
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: INTEGER&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Number of longwave bands
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.optical_radiative_properties.cloud_interactions.overview')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 15. Optical Radiative Properties --&gt; Cloud Interactions
Aerosol-cloud interactions
15.1. Overview
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Overview of aerosol-cloud interactions
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.optical_radiative_properties.cloud_interactions.twomey')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# Valid Choices: 
#     True  
#     False  
# TODO - please enter value(s)
Explanation: 15.2. Twomey
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: BOOLEAN&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Is the Twomey effect included?
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.optical_radiative_properties.cloud_interactions.twomey_minimum_ccn')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# TODO - please enter value(s)
Explanation: 15.3. Twomey Minimum Ccn
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: INTEGER&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.1
If the Twomey effect is included, then what is the minimum CCN number?
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.optical_radiative_properties.cloud_interactions.drizzle')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# Valid Choices: 
#     True  
#     False  
# TODO - please enter value(s)
Explanation: 15.4. Drizzle
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: BOOLEAN&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Does the scheme affect drizzle?
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.optical_radiative_properties.cloud_interactions.cloud_lifetime')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# Valid Choices: 
#     True  
#     False  
# TODO - please enter value(s)
Explanation: 15.5. Cloud Lifetime
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: BOOLEAN&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Does the scheme affect cloud lifetime?
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.optical_radiative_properties.cloud_interactions.longwave_bands')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value(value)  
# TODO - please enter value(s)
Explanation: 15.6. Longwave Bands
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: INTEGER&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Number of longwave bands
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.model.overview')  
# PROPERTY VALUE: 
# Set as follows: DOC.set_value("value")  
# TODO - please enter value(s)
Explanation: 16. Model
Aerosol model
16.1. Overview
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: STRING&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.1
Overview of atmosperic aerosol model
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.model.processes')  
# PROPERTY VALUE(S): 
# Set as follows: DOC.set_value("value")  
# Valid Choices: 
#      "Dry deposition"  
#      "Sedimentation"  
#      "Wet deposition (impaction scavenging)"  
#      "Wet deposition (nucleation scavenging)"  
#      "Coagulation"  
#      "Oxidation (gas phase)"  
#      "Oxidation (in cloud)"  
#      "Condensation"  
#      "Ageing"  
#      "Advection (horizontal)"  
#      "Advection (vertical)"  
#      "Heterogeneous chemistry"  
#      "Nucleation"  
# TODO - please enter value(s)
Explanation: 16.2. Processes
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: ENUM&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.N
Processes included in the Aerosol model.
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.model.coupling')  
# PROPERTY VALUE(S): 
# Set as follows: DOC.set_value("value")  
# Valid Choices: 
#      "Radiation"  
#      "Land surface"  
#      "Heterogeneous chemistry"  
#      "Clouds"  
#      "Ocean"  
#      "Cryosphere"  
#      "Gas phase chemistry"  
#      "Other: [Please specify]"  
# TODO - please enter value(s)
Explanation: 16.3. Coupling
Is Required: FALSE&nbsp;&nbsp;&nbsp;&nbsp;Type: ENUM&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 0.N
Other model components coupled to the Aerosol model
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.model.gas_phase_precursors')  
# PROPERTY VALUE(S): 
# Set as follows: DOC.set_value("value")  
# Valid Choices: 
#      "DMS"  
#      "SO2"  
#      "Ammonia"  
#      "Iodine"  
#      "Terpene"  
#      "Isoprene"  
#      "VOC"  
#      "NOx"  
#      "Other: [Please specify]"  
# TODO - please enter value(s)
Explanation: 16.4. Gas Phase Precursors
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: ENUM&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.N
List of gas phase aerosol precursors.
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.model.scheme_type')  
# PROPERTY VALUE(S): 
# Set as follows: DOC.set_value("value")  
# Valid Choices: 
#      "Bulk"  
#      "Modal"  
#      "Bin"  
#      "Other: [Please specify]"  
# TODO - please enter value(s)
Explanation: 16.5. Scheme Type
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: ENUM&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.N
Type(s) of aerosol scheme used by the aerosols model (potentially multiple: some species may be covered by one type of aerosol scheme and other species covered by another type).
End of explanation
# PROPERTY ID - DO NOT EDIT !  
DOC.set_id('cmip6.aerosol.model.bulk_scheme_species')  
# PROPERTY VALUE(S): 
# Set as follows: DOC.set_value("value")  
# Valid Choices: 
#      "Sulphate"  
#      "Nitrate"  
#      "Sea salt"  
#      "Dust"  
#      "Ice"  
#      "Organic"  
#      "Black carbon / soot"  
#      "SOA (secondary organic aerosols)"  
#      "POM (particulate organic matter)"  
#      "Polar stratospheric ice"  
#      "NAT (Nitric acid trihydrate)"  
#      "NAD (Nitric acid dihydrate)"  
#      "STS (supercooled ternary solution aerosol particule)"  
#      "Other: [Please specify]"  
# TODO - please enter value(s)
Explanation: 16.6. Bulk Scheme Species
Is Required: TRUE&nbsp;&nbsp;&nbsp;&nbsp;Type: ENUM&nbsp;&nbsp;&nbsp;&nbsp;Cardinality: 1.N
List of species covered by the bulk scheme.
End of explanation
<END_TASK>