CCSM4 model output prepared for CMIP5 pre-industrial control

Load in Python

from intake import open_catalog

cat = open_catalog("https://raw.githubusercontent.com/kpegion/COLA-DATASETS-CATALOG/gh-pages/intake-catalogs/tasmin_Amon_CCSM4_piControl_r1i1p1.yaml")
ds=cat.netcdf.read()

Metadata

title	CCSM4 model output prepared for CMIP5 pre-industrial control
location	/shared/cmip5/data/piControl/atmos/mon/Amon/tasmin/NCAR.CCSM4/r1i1p1
tags	gridded,global,model,monthly
catalog_dir	https://raw.githubusercontent.com/kpegion/COLA-DATASETS-CATALOG/gh-pages/intake-catalogs/tasmin_Amon_CCSM4_piControl_r1i1p1.yaml
last updated	2013-08-27

Dataset Contents

<xarray.Dataset>
Dimensions:    (bnds: 2, lat: 192, lon: 288, time: 12000)
Coordinates:
  * time       (time) float64 1.095e+05 1.095e+05 ... 4.745e+05 4.745e+05
  * 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
    height     float64 2.0
Dimensions without coordinates: bnds
Data variables:
    time_bnds  (time, bnds) float64 dask.array<chunksize=(2400, 2), meta=np.ndarray>
    lat_bnds   (time, lat, bnds) float64 dask.array<chunksize=(2400, 192, 2), meta=np.ndarray>
    lon_bnds   (time, lon, bnds) float64 dask.array<chunksize=(2400, 288, 2), meta=np.ndarray>
    tasmin     (time, lat, lon) float32 dask.array<chunksize=(2400, 192, 288), meta=np.ndarray>
Attributes:
    institution:                  NCAR (National Center for Atmospheric Resea...
    institute_id:                 NCAR
    experiment_id:                piControl
    source:                       CCSM4
    model_id:                     CCSM4
    forcing:                      Sl GHG SS Ds SD BC MD OC Oz AA (all fixed a...
    parent_experiment_id:         N/A
    parent_experiment_rip:        N/A
    branch_time:                  0.0
    contact:                      cesm_data@ucar.edu
    comment:                      CESM home page: http://www.cesm.ucar.edu
    references:                   Gent P. R., et.al. 2011: The Community Clim...
    initialization_method:        1
    physics_version:              1
    tracking_id:                  a39fd2df-99da-4c19-9eff-21dfe8ddaa92
    acknowledgements:             The CESM project is supported by the Nation...
    cesm_casename:                b40.1850.track1.1deg.006
    cesm_repotag:                 ccsm4_0_beta23
    cesm_compset:                 B1850TR1CN
    resolution:                   f09_g16 (0.9x1.25_gx1v6)
    forcing_note:                 Additional information on the external forc...
    processed_by:                 strandwg on silver.cgd.ucar.edu at 20130505...
    processing_code_information:  Last Changed Rev: 1108 Last Changed Date: 2...
    product:                      output
    experiment:                   pre-industrial control
    frequency:                    mon
    creation_date:                2013-05-05T21:32:09Z
    history:                      2013-05-05T21:32:09Z CMOR rewrote data to c...
    Conventions:                  CF-1.4
    project_id:                   CMIP5
    table_id:                     Table Amon (12 January 2012) 4996d487f7a657...
    title:                        CCSM4 model output prepared for CMIP5 pre-i...
    parent_experiment:            N/A
    modeling_realm:               atmos
    realization:                  1
    cmor_version:                 2.8.1

xarray.Dataset

Dimensions:
- bnds: 2
- lat: 192
- lon: 288
- time: 12000

Coordinates: (4)

time
(time)
float64
1.095e+05 1.095e+05 ... 4.745e+05
bounds :
time_bnds
units :
days since 0001-01-01 00:00:00
calendar :
noleap
axis :
T
long_name :
time
standard_name :
time
```
array([109515.5, 109545. , 109574.5, ..., 474423.5, 474454. , 474484.5])
```

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.      , -89.057594, -88.115181, -87.172775, -86.23037 , -85.287956,
       -84.345551, -83.403145, -82.460732, -81.518326, -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, -63.612564, -62.670158,
       -61.727749, -60.785339, -59.842934, -58.900524, -57.958115, -57.015705,
       -56.073299, -55.13089 , -54.18848 , -53.246075, -52.303665, -51.361256,
       -50.41885 , -49.47644 , -48.534031, -47.591621, -46.649216, -45.706806,
       -44.764397, -43.821991, -42.879581, -41.937172, -40.994766, -40.052357,
       -39.109947, -38.167538, -37.225132, -36.282722, -35.340313, -34.397907,
       -33.455498, -32.513088, -31.570681, -30.628273, -29.685863, -28.743456,
       -27.801046, -26.858639, -25.916231, -24.973822, -24.031414, -23.089005,
       -22.146597, -21.204189, -20.26178 , -19.319372, -18.376963, -17.434555,
       -16.492147, -15.549738, -14.607329, -13.664922, -12.722513, -11.780105,
       -10.837696,  -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,  10.837696,
        11.780105,  12.722513,  13.664922,  14.607329,  15.549738,  16.492147,
        17.434555,  18.376963,  19.319372,  20.26178 ,  21.204189,  22.146597,
        23.089005,  24.031414,  24.973822,  25.916231,  26.858639,  27.801046,
        28.743456,  29.685863,  30.628273,  31.570681,  32.513088,  33.455498,
        34.397907,  35.340313,  36.282722,  37.225132,  38.167538,  39.109947,
        40.052357,  40.994766,  41.937172,  42.879581,  43.821991,  44.764397,
        45.706806,  46.649216,  47.591621,  48.534031,  49.47644 ,  50.41885 ,
        51.361256,  52.303665,  53.246075,  54.18848 ,  55.13089 ,  56.073299,
        57.015705,  57.958115,  58.900524,  59.842934,  60.785339,  61.727749,
        62.670158,  63.612564,  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,  81.518326,  82.460732,  83.403145,  84.345551,
        85.287956,  86.23037 ,  87.172775,  88.115181,  89.057594,  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])
```
height
()
float64
2.0
units :
m
axis :
Z
positive :
up
long_name :
height
standard_name :
height
```
array(2.)
```

Data variables: (4)

time_bnds

(time, bnds)

float64

dask.array<chunksize=(2400, 2), meta=np.ndarray>

	Array	Chunk
Bytes	192.00 kB	96.19 kB
Shape	(12000, 2)	(6012, 2)
Count	9 Tasks	3 Chunks
Type	float64	numpy.ndarray

lat_bnds

(time, lat, bnds)

float64

dask.array<chunksize=(2400, 192, 2), meta=np.ndarray>

	Array	Chunk
Bytes	36.86 MB	18.47 MB
Shape	(12000, 192, 2)	(6012, 192, 2)
Count	12 Tasks	3 Chunks
Type	float64	numpy.ndarray

lon_bnds

(time, lon, bnds)

float64

dask.array<chunksize=(2400, 288, 2), meta=np.ndarray>

	Array	Chunk
Bytes	55.30 MB	27.70 MB
Shape	(12000, 288, 2)	(6012, 288, 2)
Count	12 Tasks	3 Chunks
Type	float64	numpy.ndarray

tasmin

(time, lat, lon)

float32

dask.array<chunksize=(2400, 192, 288), meta=np.ndarray>

standard_name :: air_temperature
long_name :: Daily Minimum Near-Surface Air Temperature
comment :: TREFMNAV no change, CMIP5_table_comment: monthly mean of the daily-minimum near-surface air temperature.
units :: K
original_name :: TREFMNAV
cell_methods :: time: minimum (interval: 30 days) within days time: mean over days
cell_measures :: area: areacella
history :: 2013-05-05T21:32:05Z altered by CMOR: Treated scalar dimension: 'height'. 2013-05-05T21:32:05Z altered by CMOR: Reordered dimensions, original order: lat lon time.
associated_files :: baseURL: http://cmip-pcmdi.llnl.gov/CMIP5/dataLocation gridspecFile: gridspec_atmos_fx_CCSM4_piControl_r0i0p0.nc areacella: areacella_fx_CCSM4_piControl_r0i0p0.nc

	Array	Chunk
Bytes	2.65 GB	1.33 GB
Shape	(12000, 192, 288)	(6012, 192, 288)
Count	9 Tasks	3 Chunks
Type	float32	numpy.ndarray

Attributes: (36)
institution :
NCAR (National Center for Atmospheric Research) Boulder, CO, USA
institute_id :
NCAR
experiment_id :
piControl
source :
CCSM4
model_id :
CCSM4
forcing :
Sl GHG SS Ds SD BC MD OC Oz AA (all fixed at 1850 values)
parent_experiment_id :
N/A
parent_experiment_rip :
N/A
branch_time :
0.0
contact :
cesm_data@ucar.edu
comment :
CESM home page: http://www.cesm.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 :
a39fd2df-99da-4c19-9eff-21dfe8ddaa92
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 :
b40.1850.track1.1deg.006
cesm_repotag :
ccsm4_0_beta23
cesm_compset :
B1850TR1CN
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 20130505 -153205.817
processing_code_information :
Last Changed Rev: 1108 Last Changed Date: 2013-04-29 10:59:00 -0600 (Mon, 29 Apr 2013) Repository UUID: d2181dbe-5796-6825-dc7f-cbd98591f93d
product :
output
experiment :
pre-industrial control
frequency :
mon
creation_date :
2013-05-05T21:32:09Z
history :
2013-05-05T21:32:09Z CMOR rewrote data to comply with CF standards and CMIP5 requirements.
Conventions :
CF-1.4
project_id :
CMIP5
table_id :
Table Amon (12 January 2012) 4996d487f7a65749098d9cc0dccb4f8d
title :
CCSM4 model output prepared for CMIP5 pre-industrial control
parent_experiment :
N/A
modeling_realm :
atmos
realization :
1
cmor_version :
2.8.1