ds607.0 Home Page Help
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NCEP 51-year Hydrological Reanalysis
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A 51-year hydrological reanalysis between 1948 and 1998 over the continental
US was recently completed at Climate Prediction Center of NCEP, NOAA.
The project used Noah land surface model (LSM) with forcing data regridded
from NCEP/NCAR Reanalysis data and the new CPC daily and hourly precipitation
data. The best available orography, soil and vegetation types, etc. are used
as the boundary conditions of this study. The output fields include all
components of energy, water mass balance, snow cover and depth, and 4 layers
of soil temperature, moisture (both liquid and frozen) below the ground.
Three types of data files are archived in this dataset. They include the
restart files, the forcing fields to run the Noah Land Surface Model, and
the output files from the 1948-1998 runs. The output files are available
on line for registerd users.
The daily restarting files and the hourly forcing fields are stored on
NCAR's mass storage systems (MSS) only.
There are 24 variables including 8 energy components and skin temperature
every 3 hours and 15 daily averages. See variable lists below for details.
For the NOAH_h.grb (three hourly), NOAH_d.grb (daily accumulation or
instantaneous) and NOAH_dd.grb (daily mean), different users may extract
and generate sub-dataset for themselves.
You can find Noah LSM used in this study from:
Noah LSM ver_2.5.2
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Click a icon for more details
| PERIODS: |
1948-01-01 13:00 +0000 to 1998-12-30 12:00 +0000
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| VARIABLES: |
| Evaporation | Heat Flux | Humidity | Incoming Solar Radiation |
| Outgoing Longwave Radiation | Precipitation Amount | Snow Depth | Snow Melt |
| Snow Water Equivalent | Soil Moisture/Water Content | Soil Temperature | Surface Air Temperature |
| Surface Pressure | Surface Winds | | |

GRIB parameter table
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| LEVELS: |
See the detailed metadata for level information
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| TYPES: |
Grid
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| COVERAGE: |
Longitude Range: Westernmost=124.938W Easternmost=67.062W
Latitude Range: Southernmost=25.063N Northernmost=52.938N
Detailed coverage information Detailed coverage information:
0.125° x 0.125°, 124.938W to 67.062W and 25.063N to 52.938N (464 x 224 Longitude/Latitude)
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| SOURCES: |
DOC/NOAA/NWS/NCEP National Centers for Environmental Prediction, National Weather Service, NOAA, U.S. Department of Commerce
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| PUBLICATIONS: |
Fan,Y., H.van den Dool, D. Lohmann, and K. Mitchell, 2006: 1948-1998 US hydrological reanalysis of the Noah Land Data Assimilation System. J. Climate, Vol. 19, 1214-1237. J. Climate, 19, 1214-1237.
Recommended acknowledgement for this dataset:
"The data for this study are from the Research Data Archive (RDA) which is maintained by the Computational and Information Systems Laboratory (CISL) at the National Center for Atmospheric Research (NCAR). NCAR is sponsored by the National Science Foundation (NSF). The original data are available from the RDA (http://dss.ucar.edu) in dataset number ds607.0."
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VOLUME: |
685.35 GBytes
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| DATA FORMATS: |
WMO GRIB1
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| RELATED DATASETS: |
ds090.0 - NCEP/NCAR Global Reanalysis Products, 1948-continuing
ds608.0 - NCEP North American Regional Reanalysis (NARR)
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| MORE DETAILS: |
View more details for this dataset, including dataset citation, data contributors, and other detailed metadata
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| CONTACT: |
For assistance with this dataset, please contact
Chi-Fan Shih (303-497-1833)
. If the specialist is unavailable, please contact
Data Help.
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| DATA ACCESS: |
Click the tab here or in the navigation bar at the top of the page. |
| COMMUNITY: |
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