Ejemplo n.º 1
0
from os.path import join
from pyrad.optics.clouds.ice import IceCloudOptics
from pyrad.optics.clouds.liquid import LiquidCloudOptics
from pyrad.utils.grids import UniformGrid1D

ice_clouds = IceCloudOptics(join("pyrad_data", "clouds", "chou_suarez.nc"))
ice_cloud_optics = ice_clouds.optics(iwc=0.2,
                                     ice_particle_size=10,
                                     spectral_grid=UniformGrid1D(
                                         600., 900., .01),
                                     mode="longwave")

liquid_clouds = LiquidCloudOptics(join("pyrad_data", "clouds",
                                       "hu_stamnes.nc"))
liquid_cloud_optics = liquid_clouds.optics(lwc=0.2,
                                           liquid_droplet_radius=10.,
                                           spectral_grid=UniformGrid1D(
                                               500., 800., .1))
Ejemplo n.º 2
0
 def test_fu_liou_lw(self):
     clouds = IceCloudOptics(join("pyrad_data", "clouds", "fu_liou.nc"))
     clouds.optics(ice_content=50.,
                   equivalent_radius=10.,
                   grid=UniformGrid1D(500., 1500., 10),
                   mode="longwave")
Ejemplo n.º 3
0
    #Calculate cloud optics.
    cloud_fraction = asarray([0.99])
    ice_water_content = asarray([50.])  #g m-3
    liquid_water_content = asarray([50.])  #g m-3
    altitude = asarray([5., 10.])
    scale_length = 2.
    overlap = overlap_parameter(altitude, scale_length)
    water = TotalWaterPDF()
    lwc, iwc = water.sample_condensate(cloud_fraction, liquid_water_content,
                                       ice_water_content, overlap)
    liquid_clouds = LiquidCloudOptics(
        join("tests", "pyrad_data", "clouds", "hu_stamnes.nc"))
    liquid_droplet_radius = 10.  #micron
    liquid_cloud_optics = liquid_clouds.optics(lwc, liquid_droplet_radius,
                                               spectral_grid)
    ice_clouds = IceCloudOptics(
        join("tests", "pyrad_data", "clouds", "chou_suarez.nc"))
    ice_particle_size = 10.  #micron
    ice_cloud_optics = ice_clouds.optics(iwc,
                                         ice_particle_size,
                                         spectral_grid,
                                         mode="longwave")

    #Calculate aerosol optics.
    concentration = 1.  #
    relative_humidity = 50.5  #[%].
    mixture = 80.3  #[%].
    sulfate = AerosolOptics(
        join("tests", "pyrad_data", "aerosols", "sulfate_optics.nc"))
    aerosol_optics = sulfate.optics(concentration, spectral_grid,
                                    relative_humidity, mixture)
Ejemplo n.º 4
0
 def test_chou_suarez_sw(self):
     clouds = IceCloudOptics(join("pyrad_data", "clouds", "chou_suarez.nc"))
     clouds.optics(ice_content=50.,
                   equivalent_radius=10.,
                   grid=UniformGrid1D(500., 1500., 10),
                   mode="shortwave")