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/tas_day_CCSM4_rcp85_r4i1p1.yaml")
ds=cat.netcdf.read()

Metadata

title	CCSM4 model output prepared for CMIP5 RCP8.5
location	/shared/cmip5/data/rcp85/atmos/day/day/tas/NCAR.CCSM4/r4i1p1
tags	gridded,global,model,daily
catalog_dir	https://raw.githubusercontent.com/kpegion/COLA-DATASETS-CATALOG/gh-pages/intake-catalogs/tas_day_CCSM4_rcp85_r4i1p1.yaml
last updated	2013-06-14

Dataset Contents

<xarray.Dataset>
Dimensions:    (bnds: 2, lat: 192, lon: 288, time: 34675)
Coordinates:
  * time       (time) float64 365.5 366.5 367.5 ... 3.504e+04 3.504e+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:                rcp85
    source:                       CCSM4
    model_id:                     CCSM4
    forcing:                      Sl GHG Vl SS Ds SA BC MD OC Oz AA
    parent_experiment_id:         historical
    parent_experiment_rip:        r4i1p1
    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:                  669fb4b0-d3a5-4e3f-b8e9-7ba941ab7412
    acknowledgements:             The CESM project is supported by the Nation...
    cesm_casename:                b40.rcp8_5.1deg.004
    cesm_repotag:                 ccsm4_0_beta47
    cesm_compset:                 BRCP85CN
    resolution:                   f09_g16 (0.9x1.25_gx1v6)
    forcing_note:                 Additional information on the external forc...
    processed_by:                 strandwg on copper.cgd.ucar.edu at 20111109...
    processing_code_information:  Last Changed Rev: 452 Last Changed Date: 20...
    product:                      output
    experiment:                   RCP8.5
    frequency:                    day
    creation_date:                2011-11-10T02:51:22Z
    history:                      2011-11-10T02:51:22Z 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 RCP8.5
    parent_experiment:            historical
    modeling_realm:               atmos
    realization:                  4
    cmor_version:                 2.7.1

xarray.Dataset

Dimensions:
- bnds: 2
- lat: 192
- lon: 288
- time: 34675

Coordinates: (4)

time
(time)
float64
365.5 366.5 ... 3.504e+04 3.504e+04
bounds :
time_bnds
units :
days since 2005-01-01 00:00:00
calendar :
noleap
axis :
T
long_name :
time
standard_name :
time
```
array([  365.5,   366.5,   367.5, ..., 35037.5, 35038.5, 35039.5])
```

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	554.80 kB	204.40 kB
Shape	(34675, 2)	(12775, 2)
Count	9 Tasks	3 Chunks
Type	float64	numpy.ndarray

lat_bnds

(time, lat, bnds)

float64

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

	Array	Chunk
Bytes	106.52 MB	39.24 MB
Shape	(34675, 192, 2)	(12775, 192, 2)
Count	12 Tasks	3 Chunks
Type	float64	numpy.ndarray

lon_bnds

(time, lon, bnds)

float64

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

	Array	Chunk
Bytes	159.78 MB	58.87 MB
Shape	(34675, 288, 2)	(12775, 288, 2)
Count	12 Tasks	3 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 :: 2011-11-10T02:51:22Z altered by CMOR: Treated scalar dimension: 'height'. 2011-11-10T02:51:22Z altered by CMOR: Reordered dimensions, original order: lat lon time. 2011-11-10T02:51:22Z 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_rcp85_r0i0p0.nc areacella: areacella_fx_CCSM4_rcp85_r0i0p0.nc

	Array	Chunk
Bytes	7.67 GB	2.83 GB
Shape	(34675, 192, 288)	(12775, 192, 288)
Count	9 Tasks	3 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 Vl SS Ds SA BC MD OC Oz AA
parent_experiment_id :
historical
parent_experiment_rip :
r4i1p1
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 :
669fb4b0-d3a5-4e3f-b8e9-7ba941ab7412
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.004
cesm_repotag :
ccsm4_0_beta47
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 copper.cgd.ucar.edu at 20111109 -195122.254
processing_code_information :
Last Changed Rev: 452 Last Changed Date: 2011-11-09 14:26:06 -0700 (Wed, 09 Nov 2011) Repository UUID: d2181dbe-5796-6825-dc7f-cbd98591f93d
product :
output
experiment :
RCP8.5
frequency :
day
creation_date :
2011-11-10T02:51:22Z
history :
2011-11-10T02:51:22Z 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 RCP8.5
parent_experiment :
historical
modeling_realm :
atmos
realization :
4
cmor_version :
2.7.1