CCSM4 model output prepared for CMIP5 RCP4.5

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_rcp45_r1i1p1.yaml")
ds=cat.netcdf.read()

Metadata

title	CCSM4 model output prepared for CMIP5 RCP4.5
location	/shared/cmip5/data/rcp45/atmos/mon/Amon/hurs/NCAR.CCSM4/r1i1p1
tags	gridded,global,model,monthly
catalog_dir	https://raw.githubusercontent.com/kpegion/COLA-DATASETS-CATALOG/gh-pages/intake-catalogs/hurs_Amon_CCSM4_rcp45_r1i1p1.yaml
last updated	2013-06-14

Dataset Contents

<xarray.Dataset>
Dimensions:    (bnds: 2, lat: 382, lon: 288, time: 3528)
Coordinates:
  * lat        (lat) float64 -90.0 -89.06 -89.06 -88.12 ... 89.06 89.06 90.0
  * time       (time) float64 380.5 410.0 439.5 ... 7.259e+04 7.262e+04
  * 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=(1140, 2), meta=np.ndarray>
    lat_bnds   (time, lat, bnds) float64 dask.array<chunksize=(1140, 382, 2), meta=np.ndarray>
    lon_bnds   (time, lon, bnds) float64 dask.array<chunksize=(1140, 288, 2), meta=np.ndarray>
    hurs       (time, lat, lon) float32 dask.array<chunksize=(1140, 382, 288), meta=np.ndarray>
Attributes:
    institution:                  NCAR (National Center for Atmospheric Resea...
    institute_id:                 NCAR
    experiment_id:                rcp45
    source:                       CCSM4
    model_id:                     CCSM4
    forcing:                      Sl GHG Vl 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:                  28faf7ea-168b-42c6-a668-9a6be6d6b0d8
    acknowledgements:             The CESM project is supported by the Nation...
    cesm_casename:                b40.rcp4_5.1deg.001
    cesm_repotag:                 ccsm4_0_beta49
    cesm_compset:                 BRCP45CN
    resolution:                   f09_g16 (0.9x1.25_gx1v6)
    forcing_note:                 Additional information on the external forc...
    processed_by:                 strandwg on mirage0 at 20111021
    processing_code_information:  Last Changed Rev: 428 Last Changed Date: 20...
    product:                      output
    experiment:                   RCP4.5
    frequency:                    mon
    creation_date:                2011-10-21T21:57:49Z
    history:                      2011-10-21T21:57:49Z CMOR rewrote data to c...
    Conventions:                  CF-1.4
    project_id:                   CMIP5
    table_id:                     Table Amon (26 July 2011) 976b7fd1d9e1be31d...
    title:                        CCSM4 model output prepared for CMIP5 RCP4.5
    parent_experiment:            historical
    modeling_realm:               atmos
    realization:                  1
    cmor_version:                 2.7.1

xarray.Dataset

Dimensions:
- bnds: 2
- lat: 382
- lon: 288
- time: 3528
Coordinates: (4)
- lat
  (lat)
  float64
  -90.0 -89.06 -89.06 ... 89.06 90.0
  bounds :
  lat_bnds
  units :
  degrees_north
  axis :
  Y
  long_name :
  latitude
  standard_name :
  latitude
```
array([-90.      , -89.057594, -89.057592, ...,  89.057592,  89.057594,
        90.      ])
```
- time
  (time)
  float64
  380.5 410.0 ... 7.259e+04 7.262e+04
  bounds :
  time_bnds
  calendar :
  noleap
  axis :
  T
  long_name :
  time
  standard_name :
  time
```
array([  380.5,   410. ,   439.5, ..., 72558.5, 72589. , 72619.5])
```
- 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=(1140, 2), meta=np.ndarray>

	Array	Chunk
Bytes	56.45 kB	38.21 kB
Shape	(3528, 2)	(2388, 2)
Count	6 Tasks	2 Chunks
Type	float64	numpy.ndarray

lat_bnds

(time, lat, bnds)

float64

dask.array<chunksize=(1140, 382, 2), meta=np.ndarray>

	Array	Chunk
Bytes	21.56 MB	14.60 MB
Shape	(3528, 382, 2)	(2388, 382, 2)
Count	22 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	16.26 MB	11.00 MB
Shape	(3528, 288, 2)	(2388, 288, 2)
Count	8 Tasks	2 Chunks
Type	float64	numpy.ndarray

hurs

(time, lat, lon)

float32

dask.array<chunksize=(1140, 382, 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 :: 2011-10-21T21:57:49Z altered by CMOR: Treated scalar dimension: 'height'. 2011-10-21T21:57:49Z 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_rcp45_r0i0p0.nc areacella: areacella_fx_CCSM4_rcp45_r0i0p0.nc

	Array	Chunk
Bytes	1.55 GB	1.05 GB
Shape	(3528, 382, 288)	(2388, 382, 288)
Count	26 Tasks	2 Chunks
Type	float32	numpy.ndarray

Attributes: (35)
institution :
NCAR (National Center for Atmospheric Research) Boulder, CO, USA
institute_id :
NCAR
experiment_id :
rcp45
source :
CCSM4
model_id :
CCSM4
forcing :
Sl GHG Vl 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 :
28faf7ea-168b-42c6-a668-9a6be6d6b0d8
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.rcp4_5.1deg.001
cesm_repotag :
ccsm4_0_beta49
cesm_compset :
BRCP45CN
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 mirage0 at 20111021
processing_code_information :
Last Changed Rev: 428 Last Changed Date: 2011-10-21 10:32:02 -0600 (Fri, 21 Oct 2011) Repository UUID: d2181dbe-5796-6825-dc7f-cbd98591f93d
product :
output
experiment :
RCP4.5
frequency :
mon
creation_date :
2011-10-21T21:57:49Z
history :
2011-10-21T21:57:49Z CMOR rewrote data to comply with CF standards and CMIP5 requirements.
Conventions :
CF-1.4
project_id :
CMIP5
table_id :
Table Amon (26 July 2011) 976b7fd1d9e1be31dddd28f5dc79b7a1
title :
CCSM4 model output prepared for CMIP5 RCP4.5
parent_experiment :
historical
modeling_realm :
atmos
realization :
1
cmor_version :
2.7.1