CCSM4 model output prepared for CMIP5 RCP8.5

Load in Python

from intake import open_catalog

cat = open_catalog("https://raw.githubusercontent.com/kpegion/COLA-DATASETS-CATALOG/gh-pages/intake-catalogs/snc_LImon_CCSM4_rcp85_r1i1p1.yaml")
ds=cat.netcdf.read()

Metadata

title	CCSM4 model output prepared for CMIP5 RCP8.5
location	/shared/cmip5/data/rcp85/landIce/mon/LImon/snc/NCAR.CCSM4/r1i1p1
tags	gridded,global,model,monthly
catalog_dir	https://raw.githubusercontent.com/kpegion/COLA-DATASETS-CATALOG/gh-pages/intake-catalogs/snc_LImon_CCSM4_rcp85_r1i1p1.yaml
last updated	2013-05-28

Dataset Contents

<xarray.Dataset>
Dimensions:    (bnds: 2, lat: 192, lon: 288, time: 3539)
Coordinates:
  * time       (time) float64 380.5 410.0 439.5 ... 7.295e+04 7.298e+04
  * lat        (lat) float64 -90.0 -89.06 -88.12 -87.17 ... 88.12 89.06 90.0
  * lon        (lon) float64 0.0 1.25 2.5 3.75 5.0 ... 355.0 356.2 357.5 358.8
Dimensions without coordinates: bnds
Data variables:
    time_bnds  (time, bnds) float64 dask.array<chunksize=(1140, 2), meta=np.ndarray>
    lat_bnds   (time, lat, bnds) float64 dask.array<chunksize=(1140, 192, 2), meta=np.ndarray>
    lon_bnds   (time, lon, bnds) float64 dask.array<chunksize=(1140, 288, 2), meta=np.ndarray>
    snc        (time, lat, lon) float32 dask.array<chunksize=(1140, 192, 288), meta=np.ndarray>
Attributes:
    institution:                  NCAR (National Center for Atmospheric Resea...
    institute_id:                 NCAR
    experiment_id:                rcp85
    source:                       CCSM4
    model_id:                     CCSM4
    forcing:                      Sl GHG SS Ds SA BC MD OC Oz AA
    parent_experiment_id:         historical
    parent_experiment_rip:        r1i1p1
    branch_time:                  2005.0
    contact:                      cesm_data@ucar.edu
    references:                   Gent P. R., et.al. 2011: The Community Clim...
    initialization_method:        1
    physics_version:              1
    tracking_id:                  eb9c5b84-5607-459e-ab0d-49b75275c275
    acknowledgements:             The CESM project is supported by the Nation...
    cesm_casename:                b40.rcp8_5.1deg.001
    cesm_repotag:                 ccsm4_0_beta45
    cesm_compset:                 BRCP85CN
    resolution:                   f09_g16 (0.9x1.25_gx1v6)
    forcing_note:                 Additional information on the external forc...
    processed_by:                 strandwg on silver.cgd.ucar.edu at 20120406...
    processing_code_information:  Last Changed Rev: 677 Last Changed Date: 20...
    product:                      output
    experiment:                   RCP8.5
    frequency:                    mon
    creation_date:                2012-04-06T22:25:26Z
    history:                      2012-04-06T22:25:26Z CMOR rewrote data to c...
    Conventions:                  CF-1.4
    project_id:                   CMIP5
    table_id:                     Table LImon (12 January 2012) 429410275cb54...
    title:                        CCSM4 model output prepared for CMIP5 RCP8.5
    parent_experiment:            historical
    modeling_realm:               landIce land
    realization:                  1
    cmor_version:                 2.8.1

xarray.Dataset

Dimensions:
- bnds: 2
- lat: 192
- lon: 288
- time: 3539

Coordinates: (3)

time
(time)
float64
380.5 410.0 ... 7.295e+04 7.298e+04
bounds :
time_bnds
calendar :
noleap
axis :
T
long_name :
time
standard_name :
time
```
array([  380.5,   410. ,   439.5, ..., 72923.5, 72954. , 72984.5])
```

lat

(lat)

float64

-90.0 -89.06 -88.12 ... 89.06 90.0

bounds :: lat_bnds
units :: degrees_north
axis :: Y
long_name :: latitude
standard_name :: latitude

array([-90.      , -89.057587, -88.115181, -87.172783, -86.23037 , -85.287956,
       -84.345551, -83.403137, -82.460732, -81.518333, -80.575912, -79.633507,
       -78.691101, -77.748688, -76.806282, -75.863876, -74.921463, -73.979057,
       -73.036652, -72.094238, -71.151833, -70.209427, -69.267014, -68.324608,
       -67.382202, -66.439789, -65.497383, -64.554977, -63.61256 , -62.670158,
       -61.727749, -60.785339, -59.84293 , -58.90052 , -57.958111, -57.015709,
       -56.073299, -55.13089 , -54.18848 , -53.246071, -52.303669, -51.361259,
       -50.41885 , -49.47644 , -48.534031, -47.591621, -46.64922 , -45.70681 ,
       -44.7644  , -43.821991, -42.879581, -41.937168, -40.99477 , -40.052361,
       -39.109951, -38.167542, -37.225128, -36.282719, -35.340309, -34.397911,
       -33.455502, -32.513088, -31.570681, -30.628269, -29.68586 , -28.74346 ,
       -27.80105 , -26.858641, -25.916229, -24.97382 , -24.03141 , -23.089001,
       -22.146601, -21.204189, -20.26178 , -19.31937 , -18.376961, -17.434561,
       -16.492149, -15.54974 , -14.60733 , -13.66492 , -12.72251 , -11.7801  ,
       -10.8377  ,  -9.895288,  -8.95288 ,  -8.010471,  -7.068063,  -6.125654,
        -5.183246,  -4.240838,  -3.298429,  -2.356021,  -1.413613,  -0.471204,
         0.471204,   1.413613,   2.356021,   3.298429,   4.240838,   5.183246,
         6.125654,   7.068063,   8.010471,   8.95288 ,   9.895288,  10.8377  ,
        11.7801  ,  12.72251 ,  13.66492 ,  14.60733 ,  15.54974 ,  16.492149,
        17.434561,  18.376961,  19.31937 ,  20.26178 ,  21.204189,  22.146601,
        23.089001,  24.03141 ,  24.97382 ,  25.916229,  26.858641,  27.80105 ,
        28.74346 ,  29.68586 ,  30.628269,  31.570681,  32.513088,  33.455502,
        34.397911,  35.340309,  36.282719,  37.225128,  38.167542,  39.109951,
        40.052361,  40.99477 ,  41.937168,  42.879581,  43.821991,  44.7644  ,
        45.70681 ,  46.64922 ,  47.591621,  48.534031,  49.47644 ,  50.41885 ,
        51.361259,  52.303669,  53.246071,  54.18848 ,  55.13089 ,  56.073299,
        57.015709,  57.958111,  58.90052 ,  59.84293 ,  60.785339,  61.727749,
        62.670158,  63.61256 ,  64.554977,  65.497383,  66.439789,  67.382202,
        68.324608,  69.267014,  70.209427,  71.151833,  72.094238,  73.036652,
        73.979057,  74.921463,  75.863876,  76.806282,  77.748688,  78.691101,
        79.633507,  80.575912,  81.518333,  82.460732,  83.403137,  84.345551,
        85.287956,  86.23037 ,  87.172783,  88.115181,  89.057587,  90.      ])

lon
(lon)
float64
0.0 1.25 2.5 ... 356.2 357.5 358.8
bounds :
lon_bnds
units :
degrees_east
axis :
X
long_name :
longitude
standard_name :
longitude
```
array([  0.  ,   1.25,   2.5 , ..., 356.25, 357.5 , 358.75])
```

Data variables: (4)

time_bnds

(time, bnds)

float64

dask.array<chunksize=(1140, 2), meta=np.ndarray>

	Array	Chunk
Bytes	56.62 kB	38.38 kB
Shape	(3539, 2)	(2399, 2)
Count	6 Tasks	2 Chunks
Type	float64	numpy.ndarray

lat_bnds

(time, lat, bnds)

float64

dask.array<chunksize=(1140, 192, 2), meta=np.ndarray>

	Array	Chunk
Bytes	10.87 MB	7.37 MB
Shape	(3539, 192, 2)	(2399, 192, 2)
Count	8 Tasks	2 Chunks
Type	float64	numpy.ndarray

lon_bnds

(time, lon, bnds)

float64

dask.array<chunksize=(1140, 288, 2), meta=np.ndarray>

	Array	Chunk
Bytes	16.31 MB	11.05 MB
Shape	(3539, 288, 2)	(2399, 288, 2)
Count	8 Tasks	2 Chunks
Type	float64	numpy.ndarray

snc

(time, lat, lon)

float32

dask.array<chunksize=(1140, 192, 288), meta=np.ndarray>

standard_name :: surface_snow_area_fraction
long_name :: Snow Area Fraction
comment :: FSNO, CMIP5_table_comment: Fraction of each grid cell that is occupied by snow that rests on land portion of cell.
units :: %
original_name :: FSNO
cell_methods :: time: mean (interval: 30 days)
cell_measures :: area: areacella
history :: 2012-04-06T22:25:06Z altered by CMOR: replaced missing value flag (1e+36) with standard missing value (1e+20).
associated_files :: baseURL: http://cmip-pcmdi.llnl.gov/CMIP5/dataLocation gridspecFile: gridspec_landIce_fx_CCSM4_rcp85_r0i0p0.nc areacella: areacella_fx_CCSM4_rcp85_r0i0p0.nc

	Array	Chunk
Bytes	782.77 MB	530.62 MB
Shape	(3539, 192, 288)	(2399, 192, 288)
Count	6 Tasks	2 Chunks
Type	float32	numpy.ndarray

Attributes: (35)
institution :
NCAR (National Center for Atmospheric Research) Boulder, CO, USA
institute_id :
NCAR
experiment_id :
rcp85
source :
CCSM4
model_id :
CCSM4
forcing :
Sl GHG SS Ds SA BC MD OC Oz AA
parent_experiment_id :
historical
parent_experiment_rip :
r1i1p1
branch_time :
2005.0
contact :
cesm_data@ucar.edu
references :
Gent P. R., et.al. 2011: The Community Climate System Model version 4. J. Climate, doi: 10.1175/2011JCLI4083.1
initialization_method :
1
physics_version :
1
tracking_id :
eb9c5b84-5607-459e-ab0d-49b75275c275
acknowledgements :
The CESM project is supported by the National Science Foundation and the Office of Science (BER) of the U.S. Department of Energy. NCAR is sponsored by the National Science Foundation. Computing resources were provided by the Climate Simulation Laboratory at the NCAR Computational and Information Systems Laboratory (CISL), sponsored by the National Science Foundation and other agencies.
cesm_casename :
b40.rcp8_5.1deg.001
cesm_repotag :
ccsm4_0_beta45
cesm_compset :
BRCP85CN
resolution :
f09_g16 (0.9x1.25_gx1v6)
forcing_note :
Additional information on the external forcings used in this experiment can be found at http://www.cesm.ucar.edu/CMIP5/forcing_information
processed_by :
strandwg on silver.cgd.ucar.edu at 20120406 -162506.709
processing_code_information :
Last Changed Rev: 677 Last Changed Date: 2012-04-05 11:56:11 -0600 (Thu, 05 Apr 2012) Repository UUID: d2181dbe-5796-6825-dc7f-cbd98591f93d
product :
output
experiment :
RCP8.5
frequency :
mon
creation_date :
2012-04-06T22:25:26Z
history :
2012-04-06T22:25:26Z CMOR rewrote data to comply with CF standards and CMIP5 requirements.
Conventions :
CF-1.4
project_id :
CMIP5
table_id :
Table LImon (12 January 2012) 429410275cb5466e41180ad9466db1bf
title :
CCSM4 model output prepared for CMIP5 RCP8.5
parent_experiment :
historical
modeling_realm :
landIce land
realization :
1
cmor_version :
2.8.1