CCSM4 model output prepared for CMIP5 historical

Load in Python

from intake import open_catalog

cat = open_catalog("https://raw.githubusercontent.com/kpegion/COLA-DATASETS-CATALOG/gh-pages/intake-catalogs/tas_day_CCSM4_historical_r1i1p1.yaml")
ds=cat.netcdf.read()

Metadata

title	CCSM4 model output prepared for CMIP5 historical
location	/shared/cmip5/data/historical/atmos/day/day/tas/NCAR.CCSM4/r1i1p1
tags	gridded,global,model,daily
catalog_dir	https://raw.githubusercontent.com/kpegion/COLA-DATASETS-CATALOG/gh-pages/intake-catalogs/tas_day_CCSM4_historical_r1i1p1.yaml
last updated	2013-05-26

Dataset Contents

<xarray.Dataset>
Dimensions:    (bnds: 2, lat: 192, lon: 288, time: 44165)
Coordinates:
  * time       (time) float64 1.278e+04 1.278e+04 ... 5.694e+04 5.694e+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
    height     float64 2.0
Dimensions without coordinates: bnds
Data variables:
    time_bnds  (time, bnds) float64 dask.array<chunksize=(12775, 2), meta=np.ndarray>
    lat_bnds   (time, lat, bnds) float64 dask.array<chunksize=(12775, 192, 2), meta=np.ndarray>
    lon_bnds   (time, lon, bnds) float64 dask.array<chunksize=(12775, 288, 2), meta=np.ndarray>
    tas        (time, lat, lon) float32 dask.array<chunksize=(12775, 192, 288), meta=np.ndarray>
Attributes:
    institution:                  NCAR (National Center for Atmospheric Resea...
    institute_id:                 NCAR
    experiment_id:                historical
    source:                       CCSM4
    model_id:                     CCSM4
    forcing:                      Sl GHG Vl SS Ds SD BC MD OC Oz AA LU
    parent_experiment_id:         piControl
    parent_experiment_rip:        r1i1p1
    branch_time:                  937.0
    contact:                      cesm_data@ucar.edu
    references:                   Gent P. R., et.al. 2011: The Community Clim...
    initialization_method:        1
    physics_version:              1
    tracking_id:                  d786f62a-b156-4164-b36b-2725489fe315
    acknowledgements:             The CESM project is supported by the Nation...
    cesm_casename:                b40.20th.track1.1deg.008
    cesm_repotag:                 ccsm4_0_beta43
    cesm_compset:                 B20TRCN
    resolution:                   f09_g16 (0.9x1.25_gx1v6)
    forcing_note:                 Additional information on the external forc...
    processed_by:                 strandwg on copper.cgd.ucar.edu at 20111107...
    processing_code_information:  Last Changed Rev: 446 Last Changed Date: 20...
    product:                      output
    experiment:                   historical
    frequency:                    day
    creation_date:                2011-11-07T22:01:38Z
    history:                      2011-11-07T21:59:24Z CMOR rewrote data to c...
    Conventions:                  CF-1.4
    project_id:                   CMIP5
    table_id:                     Table day (26 July 2011) f21c16b785432e6bd3...
    title:                        CCSM4 model output prepared for CMIP5 histo...
    parent_experiment:            pre-industrial control
    modeling_realm:               atmos
    realization:                  1
    cmor_version:                 2.7.1

xarray.Dataset

Dimensions:
- bnds: 2
- lat: 192
- lon: 288
- time: 44165

Coordinates: (4)

time
(time)
float64
1.278e+04 1.278e+04 ... 5.694e+04
bounds :
time_bnds
units :
days since 1850-01-01 00:00:00
calendar :
noleap
axis :
T
long_name :
time
standard_name :
time
```
array([12775.5, 12776.5, 12777.5, ..., 56937.5, 56938.5, 56939.5])
```

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.      , -89.057592, -88.115183, -87.172775, -86.230366, -85.287958,
       -84.34555 , -83.403141, -82.460733, -81.518325, -80.575916, -79.633508,
       -78.691099, -77.748691, -76.806283, -75.863874, -74.921466, -73.979058,
       -73.036649, -72.094241, -71.151832, -70.209424, -69.267016, -68.324607,
       -67.382199, -66.439791, -65.497382, -64.554974, -63.612565, -62.670157,
       -61.727749, -60.78534 , -59.842932, -58.900524, -57.958115, -57.015707,
       -56.073298, -55.13089 , -54.188482, -53.246073, -52.303665, -51.361257,
       -50.418848, -49.47644 , -48.534031, -47.591623, -46.649215, -45.706806,
       -44.764398, -43.82199 , -42.879581, -41.937173, -40.994764, -40.052356,
       -39.109948, -38.167539, -37.225131, -36.282723, -35.340314, -34.397906,
       -33.455497, -32.513089, -31.570681, -30.628272, -29.685864, -28.743455,
       -27.801047, -26.858639, -25.91623 , -24.973822, -24.031414, -23.089005,
       -22.146597, -21.204188, -20.26178 , -19.319372, -18.376963, -17.434555,
       -16.492147, -15.549738, -14.60733 , -13.664921, -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,  13.664921,  14.60733 ,  15.549738,  16.492147,
        17.434555,  18.376963,  19.319372,  20.26178 ,  21.204188,  22.146597,
        23.089005,  24.031414,  24.973822,  25.91623 ,  26.858639,  27.801047,
        28.743455,  29.685864,  30.628272,  31.570681,  32.513089,  33.455497,
        34.397906,  35.340314,  36.282723,  37.225131,  38.167539,  39.109948,
        40.052356,  40.994764,  41.937173,  42.879581,  43.82199 ,  44.764398,
        45.706806,  46.649215,  47.591623,  48.534031,  49.47644 ,  50.418848,
        51.361257,  52.303665,  53.246073,  54.188482,  55.13089 ,  56.073298,
        57.015707,  57.958115,  58.900524,  59.842932,  60.78534 ,  61.727749,
        62.670157,  63.612565,  64.554974,  65.497382,  66.439791,  67.382199,
        68.324607,  69.267016,  70.209424,  71.151832,  72.094241,  73.036649,
        73.979058,  74.921466,  75.863874,  76.806283,  77.748691,  78.691099,
        79.633508,  80.575916,  81.518325,  82.460733,  83.403141,  84.34555 ,
        85.287958,  86.230366,  87.172775,  88.115183,  89.057592,  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=(12775, 2), meta=np.ndarray>

	Array	Chunk
Bytes	706.64 kB	204.40 kB
Shape	(44165, 2)	(12775, 2)
Count	12 Tasks	4 Chunks
Type	float64	numpy.ndarray

lat_bnds

(time, lat, bnds)

float64

dask.array<chunksize=(12775, 192, 2), meta=np.ndarray>

	Array	Chunk
Bytes	135.67 MB	39.24 MB
Shape	(44165, 192, 2)	(12775, 192, 2)
Count	16 Tasks	4 Chunks
Type	float64	numpy.ndarray

lon_bnds

(time, lon, bnds)

float64

dask.array<chunksize=(12775, 288, 2), meta=np.ndarray>

	Array	Chunk
Bytes	203.51 MB	58.87 MB
Shape	(44165, 288, 2)	(12775, 288, 2)
Count	16 Tasks	4 Chunks
Type	float64	numpy.ndarray

tas

(time, lat, lon)

float32

dask.array<chunksize=(12775, 192, 288), meta=np.ndarray>

standard_name :: air_temperature
long_name :: Near-Surface Air Temperature
units :: K
original_name :: TREFHT
comment :: TREFHT no change
cell_methods :: time: mean (interval: 1 day)
cell_measures :: area: areacella
history :: 2011-11-07T21:59:24Z altered by CMOR: Treated scalar dimension: 'height'. 2011-11-07T21:59:24Z altered by CMOR: Reordered dimensions, original order: lat lon time. 2011-11-07T21:59:24Z altered by CMOR: replaced missing value flag (-1e+32) with standard missing value (1e+20).
associated_files :: baseURL: http://cmip-pcmdi.llnl.gov/CMIP5/dataLocation gridspecFile: gridspec_atmos_fx_CCSM4_historical_r0i0p0.nc areacella: areacella_fx_CCSM4_historical_r0i0p0.nc

	Array	Chunk
Bytes	9.77 GB	2.83 GB
Shape	(44165, 192, 288)	(12775, 192, 288)
Count	12 Tasks	4 Chunks
Type	float32	numpy.ndarray

Attributes: (35)
institution :
NCAR (National Center for Atmospheric Research) Boulder, CO, USA
institute_id :
NCAR
experiment_id :
historical
source :
CCSM4
model_id :
CCSM4
forcing :
Sl GHG Vl SS Ds SD BC MD OC Oz AA LU
parent_experiment_id :
piControl
parent_experiment_rip :
r1i1p1
branch_time :
937.0
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 :
d786f62a-b156-4164-b36b-2725489fe315
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 :
b40.20th.track1.1deg.008
cesm_repotag :
ccsm4_0_beta43
cesm_compset :
B20TRCN
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 copper.cgd.ucar.edu at 20111107 -145924.516
processing_code_information :
Last Changed Rev: 446 Last Changed Date: 2011-11-07 07:45:55 -0700 (Mon, 07 Nov 2011) Repository UUID: d2181dbe-5796-6825-dc7f-cbd98591f93d
product :
output
experiment :
historical
frequency :
day
creation_date :
2011-11-07T22:01:38Z
history :
2011-11-07T21:59:24Z CMOR rewrote data to comply with CF standards and CMIP5 requirements.
Conventions :
CF-1.4
project_id :
CMIP5
table_id :
Table day (26 July 2011) f21c16b785432e6bd3f72e80f2cade49
title :
CCSM4 model output prepared for CMIP5 historical
parent_experiment :
pre-industrial control
modeling_realm :
atmos
realization :
1
cmor_version :
2.7.1