Merge pull request #423 from CliMA/aj/p3_remodel

breakup the P3 scheme file

src/CloudMicrophysics.jl

@@ -15,7 +15,7 @@ include("Microphysics0M.jl")
 include("Microphysics1M.jl")
 include("Microphysics2M.jl")
 include("TerminalVelocity.jl")
-include("P3Scheme.jl")
+include("P3.jl")
 include("MicrophysicsNonEq.jl")
 include("AerosolModel.jl")
 include("AerosolActivation.jl")

src/P3.jl

@@ -0,0 +1,29 @@
+"""
+Predicted particle properties scheme P3 for ice.
+Implementation of Morrison and Milbrandt 2015 doi: 10.1175/JAS-D-14-0065.1
+
+Note: Particle size is defined as its maximum length (i.e. max dimesion).
+"""
+module P3Scheme
+
+import SpecialFunctions as SF
+import QuadGK as QGK
+import RootSolvers as RS
+import HCubature as HC
+
+import ClimaParams as CP
+import CloudMicrophysics.Parameters as CMP
+import CloudMicrophysics.Common as CO
+import CloudMicrophysics.TerminalVelocity as TV
+
+const PSP3 = CMP.ParametersP3
+
+export thresholds, distribution_parameter_solver
+
+include("P3_helpers.jl")
+include("P3_particle_properties.jl")
+include("P3_size_distribution.jl")
+include("P3_terminal_velocity.jl")
+include("P3_processes.jl")
+
+end