CCSM4 model output prepared for CMIP5 10- or 30-year run initialized in year 1980

Load in Python

from intake import open_catalog

cat = open_catalog("https://raw.githubusercontent.com/kpegion/COLA-DATASETS-CATALOG/gh-pages/intake-catalogs/hurs_Amon_CCSM4_decadal1980_r10i1p1.yaml")
ds=cat.netcdf.read()

Metadata

title	CCSM4 model output prepared for CMIP5 10- or 30-year run initialized in year 1980
location	/shared/cmip5/data/decadal1980/atmos/mon/Amon/hurs/NCAR.CCSM4/r10i1p1
tags	gridded,global,model,monthly
catalog_dir	https://raw.githubusercontent.com/kpegion/COLA-DATASETS-CATALOG/gh-pages/intake-catalogs/hurs_Amon_CCSM4_decadal1980_r10i1p1.yaml
last updated	2013-05-26

Dataset Contents

<xarray.Dataset>
Dimensions:    (bnds: 2, lat: 192, lon: 288, time: 360)
Coordinates:
  * time       (time) float64 15.5 45.0 74.5 ... 1.748e+03 1.779e+03 1.81e+03
  * 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=(312, 2), meta=np.ndarray>
    lat_bnds   (time, lat, bnds) float64 dask.array<chunksize=(312, 192, 2), meta=np.ndarray>
    lon_bnds   (time, lon, bnds) float64 dask.array<chunksize=(312, 288, 2), meta=np.ndarray>
    hurs       (time, lat, lon) float32 dask.array<chunksize=(312, 192, 288), meta=np.ndarray>
Attributes:
    institution:                  NCAR (National Center for Atmospheric Resea...
    institute_id:                 NCAR
    experiment_id:                decadal1980
    source:                       CCSM4
    model_id:                     CCSM4
    forcing:                      Sl GHG Vl SS Ds SD BC MD OC Oz AA LU
    parent_experiment_id:         amip
    parent_experiment_rip:        r1i1p1
    branch_time:                  19.0
    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:                  3b9dc5ce-1292-4aa0-9fda-18d289e90e33
    acknowledgements:             The CESM project is supported by the Nation...
    cesm_casename:                b40.dp.da-1980.20C.1d.010
    cesm_repotag:                 unknown
    cesm_compset:                 unknown
    resolution:                   f09_g16 (0.9x1.25_gx1v6)
    forcing_note:                 Additional information on the external forc...
    processed_by:                 ilana on mirage5 at 20120608  -084256.513
    processing_code_information:  Last Changed Rev: 848 Last Changed Date: 20...
    product:                      output
    experiment:                   10- or 30-year run initialized in year 1980
    frequency:                    mon
    creation_date:                2012-06-08T14:42:58Z
    history:                      2012-06-08T14:42:58Z 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 10- o...
    parent_experiment:            AMIP
    modeling_realm:               atmos
    realization:                  10
    cmor_version:                 2.8.1

xarray.Dataset

Dimensions:
- bnds: 2
- lat: 192
- lon: 288
- time: 360

Coordinates: (4)

time
(time)
float64
15.5 45.0 ... 1.779e+03 1.81e+03
bounds :
time_bnds
calendar :
noleap
axis :
T
long_name :
time
standard_name :
time
```
array([  15.5,   45. ,   74.5, ..., 1748.5, 1779. , 1809.5])
```

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=(312, 2), meta=np.ndarray>

	Array	Chunk
Bytes	5.76 kB	4.99 kB
Shape	(360, 2)	(312, 2)
Count	6 Tasks	2 Chunks
Type	float64	numpy.ndarray

lat_bnds

(time, lat, bnds)

float64

dask.array<chunksize=(312, 192, 2), meta=np.ndarray>

	Array	Chunk
Bytes	1.11 MB	958.46 kB
Shape	(360, 192, 2)	(312, 192, 2)
Count	8 Tasks	2 Chunks
Type	float64	numpy.ndarray

lon_bnds

(time, lon, bnds)

float64

dask.array<chunksize=(312, 288, 2), meta=np.ndarray>

	Array	Chunk
Bytes	1.66 MB	1.44 MB
Shape	(360, 288, 2)	(312, 288, 2)
Count	8 Tasks	2 Chunks
Type	float64	numpy.ndarray

hurs

(time, lat, lon)

float32

dask.array<chunksize=(312, 192, 288), meta=np.ndarray>

standard_name :: relative_humidity
long_name :: Near-Surface Relative Humidity
comment :: RHREFHT no change, CMIP5_table_comment: This is the relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C.
units :: %
original_name :: RHREFHT
cell_methods :: time: mean (interval: 30 days)
cell_measures :: area: areacella
history :: 2012-06-08T14:42:56Z altered by CMOR: Treated scalar dimension: 'height'. 2012-06-08T14:42:56Z altered by CMOR: Reordered dimensions, original order: lat lon time. 2012-06-08T14:42:56Z 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_decadal1980_r0i0p0.nc areacella: areacella_fx_CCSM4_decadal1980_r0i0p0.nc

	Array	Chunk
Bytes	79.63 MB	69.01 MB
Shape	(360, 192, 288)	(312, 192, 288)
Count	6 Tasks	2 Chunks
Type	float32	numpy.ndarray

Attributes: (36)
institution :
NCAR (National Center for Atmospheric Research) Boulder, CO, USA
institute_id :
NCAR
experiment_id :
decadal1980
source :
CCSM4
model_id :
CCSM4
forcing :
Sl GHG Vl SS Ds SD BC MD OC Oz AA LU
parent_experiment_id :
amip
parent_experiment_rip :
r1i1p1
branch_time :
19.0
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 :
3b9dc5ce-1292-4aa0-9fda-18d289e90e33
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. This research used resources of the National Energy Research Scientific Computing Center, which is supported by the Office of Science (BER) of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231
cesm_casename :
b40.dp.da-1980.20C.1d.010
cesm_repotag :
unknown
cesm_compset :
unknown
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 :
ilana on mirage5 at 20120608 -084256.513
processing_code_information :
Last Changed Rev: 848 Last Changed Date: 2012-06-07 15:03:26 -0600 (Thu, 07 Jun 2012) Repository UUID: d2181dbe-5796-6825-dc7f-cbd98591f93d
product :
output
experiment :
10- or 30-year run initialized in year 1980
frequency :
mon
creation_date :
2012-06-08T14:42:58Z
history :
2012-06-08T14:42:58Z 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 10- or 30-year run initialized in year 1980
parent_experiment :
AMIP
modeling_realm :
atmos
realization :
10
cmor_version :
2.8.1