Dataset Information

SourceLongName:	Hybrid of NCEP/NCAR Reanalysis Model and Observations by Princeton University
SourceShortName:	RM-OBS/PU
ContactPersonName:	Justin Sheffield
ContactPersonRole:	Data producer
ContactPersonEmail:	justin@princeton.edu
ContactPersonAddress:	Dept CEE, Princeton University, Princeton NJ 08544
RelatedURL:	http://hydrology.princeton.edu/data.pgf.php
SpatialCoverage:	Global
ProcessingDate:	2018-12-19
ProcessingCenter:	Princeton University
InputOriginalFile:	/home/raid22/justin/global/forcings/V3/global/0.25deg/3hourly
ProductGenerationAlgorithm:	See Sheffield et al (2006)
ProductGenerationAlgorithmVersion:	Last updated in October 2018
ProductReference:	Sheffield, J., G. Goteti, and E. F. Wood, 2006: Development of a 50-yr high-resolution global dataset of meteorological forcings for land surface modeling, J. Climate, 19 (13), 3088-3111
OriginalFileVersion:	Last updated in August 2017
OriginalFileProcessingCenter:	Princeton University
DataQuality:	Assessment in progress
Conventions:	CF-1.6
VersionID:	1
LocalGranuleID:	PET_MULTISEN_025.L4.V001.19920108T00Z.nc
Format:	NetCDF4
RangeBeginningDate:	1992-01-08
RangeBeginningTime:	00:00:00
RangeEndingDate:	1992-01-08
RangeEndingTime:	21:00:00
NorthBoundingCoordinate:	90.0
WestBoundingCoordinate:	-180.0
SouthBoundingCoordinate:	-60.0
EastBoundingCoordinate:	180.0
LatitudeResolution:	0.25
LongitudeResolution:	0.25
MapProjection:	Cylindrical Equidistant Projection
GeodeticDatum:	WGS84
Calendar:	standard
ContactPerson2Name:	Justin Sheffield
ContactPerson2Role:	Data producer
ContactPerson2Email:	justin@princeton.edu
Processor:	GrADS v2.1.a2 and process_data.gs
ProductionDateTime:	2018-12-19
PGEVersion:	1.0.0
LongName:	RM-OBS/PU Potential Evapotranspiration and Supporting Forcing L4 3-hourly 0.25x0.25 degree V001
ShortName:	PET_PU_3H025
IdentifierProductDOI:	10.5067/GPZDZYELYG1A
IdentifierProductDOIAuthority:	http://dx.doi.org/
Unlimited_Dimension:	time

Variables in this Dataset

lat:

Array of 64 bit Reals [lat = 0..599]
units: degrees_north
long_name: Latitude

lon:

Array of 64 bit Reals [lon = 0..1439]
units: degrees_east
long_name: Longitude

petpen:

Grid
_FillValue: -999000000.
units: mm
long_name: 3-hour Mean Potential Evapotranspiration from Penman method (Shuttleworth, 1993)
standard_name: water_potential_evapotranspiration_amount

petpen:	Array of 32 bit Reals [time = 0..7][lat = 0..599][lon = 0..1439] _FillValue: -999000000. units: mm long_name: 3-hour Mean Potential Evapotranspiration from Penman method (Shuttleworth, 1993) standard_name: water_potential_evapotranspiration_amount
time:	Array of 64 bit Reals [time = 0..7] long_name: Time units: minutes since 1992-01-08 00:00
lat:	Array of 64 bit Reals [lat = 0..599] units: degrees_north long_name: Latitude
lon:	Array of 64 bit Reals [lon = 0..1439] units: degrees_east long_name: Longitude

time:

Array of 64 bit Reals [time = 0..7]
long_name: Time
units: minutes since 1992-01-08 00:00

petpt:

Grid
_FillValue: -999000000.
units: mm
long_name: 3-hour Mean Potential Evapotranspiration from Priestley-Taylor method (Priestley and Taylor, 1972)
standard_name: water_potential_evapotranspiration_amount

petpt:	Array of 32 bit Reals [time = 0..7][lat = 0..599][lon = 0..1439] _FillValue: -999000000. units: mm long_name: 3-hour Mean Potential Evapotranspiration from Priestley-Taylor method (Priestley and Taylor, 1972) standard_name: water_potential_evapotranspiration_amount
time:	Array of 64 bit Reals [time = 0..7] long_name: Time units: minutes since 1992-01-08 00:00
lat:	Array of 64 bit Reals [lat = 0..599] units: degrees_north long_name: Latitude
lon:	Array of 64 bit Reals [lon = 0..1439] units: degrees_east long_name: Longitude

petref:

Grid
_FillValue: -999000000.
units: mm
long_name: 3-hour Mean Reference Crop Evapotranspiration (Allen, 1998)
standard_name: water_potential_evapotranspiration_amount

petref:	Array of 32 bit Reals [time = 0..7][lat = 0..599][lon = 0..1439] _FillValue: -999000000. units: mm long_name: 3-hour Mean Reference Crop Evapotranspiration (Allen, 1998) standard_name: water_potential_evapotranspiration_amount
time:	Array of 64 bit Reals [time = 0..7] long_name: Time units: minutes since 1992-01-08 00:00
lat:	Array of 64 bit Reals [lat = 0..599] units: degrees_north long_name: Latitude
lon:	Array of 64 bit Reals [lon = 0..1439] units: degrees_east long_name: Longitude

rnet:

Grid
_FillValue: -999000000.
units: W/m2
long_name: 3-hour Mean Net Radiation from Surface Radiation Balance (SRB) data product (Stackhouse et al., 2011)
standard_name: surface_net_radiation_flux

rnet:	Array of 32 bit Reals [time = 0..7][lat = 0..599][lon = 0..1439] _FillValue: -999000000. units: W/m2 long_name: 3-hour Mean Net Radiation from Surface Radiation Balance (SRB) data product (Stackhouse et al., 2011) standard_name: surface_net_radiation_flux
time:	Array of 64 bit Reals [time = 0..7] long_name: Time units: minutes since 1992-01-08 00:00
lat:	Array of 64 bit Reals [lat = 0..599] units: degrees_north long_name: Latitude
lon:	Array of 64 bit Reals [lon = 0..1439] units: degrees_east long_name: Longitude

ghflx:

Grid
_FillValue: -999000000.
units: W/m2
long_name: 3-hour Mean Ground Heat Flux from method of (Sellers, 1965)
standard_name: ground_heat_flux

ghflx:	Array of 32 bit Reals [time = 0..7][lat = 0..599][lon = 0..1439] _FillValue: -999000000. units: W/m2 long_name: 3-hour Mean Ground Heat Flux from method of (Sellers, 1965) standard_name: ground_heat_flux
time:	Array of 64 bit Reals [time = 0..7] long_name: Time units: minutes since 1992-01-08 00:00
lat:	Array of 64 bit Reals [lat = 0..599] units: degrees_north long_name: Latitude
lon:	Array of 64 bit Reals [lon = 0..1439] units: degrees_east long_name: Longitude

rflag:

Grid
_FillValue: -999000000.
units: -
long_name: 3-hour Net Radiation infill flag (0=none, 1=filled)
standard_name: surface_net_radiation_flux_flag

rflag:	Array of 32 bit Reals [time = 0..7][lat = 0..599][lon = 0..1439] _FillValue: -999000000. units: - long_name: 3-hour Net Radiation infill flag (0=none, 1=filled) standard_name: surface_net_radiation_flux_flag
time:	Array of 64 bit Reals [time = 0..7] long_name: Time units: minutes since 1992-01-08 00:00
lat:	Array of 64 bit Reals [lat = 0..599] units: degrees_north long_name: Latitude
lon:	Array of 64 bit Reals [lon = 0..1439] units: degrees_east long_name: Longitude

gflag:

Grid
_FillValue: -999000000.
units: -
long_name: 3-hour Ground Heat Flux infill flag (0=none, 1=filled)
standard_name: ground_heat_flux_flag

gflag:	Array of 32 bit Reals [time = 0..7][lat = 0..599][lon = 0..1439] _FillValue: -999000000. units: - long_name: 3-hour Ground Heat Flux infill flag (0=none, 1=filled) standard_name: ground_heat_flux_flag
time:	Array of 64 bit Reals [time = 0..7] long_name: Time units: minutes since 1992-01-08 00:00
lat:	Array of 64 bit Reals [lat = 0..599] units: degrees_north long_name: Latitude
lon:	Array of 64 bit Reals [lon = 0..1439] units: degrees_east long_name: Longitude

tas:

Grid
_FillValue: -999000000.
units: Kelvin
long_name: 3-hour Mean Air Temperature at 2m Height
standard_name: air_temperature

tas:	Array of 32 bit Reals [time = 0..7][lat = 0..599][lon = 0..1439] _FillValue: -999000000. units: Kelvin long_name: 3-hour Mean Air Temperature at 2m Height standard_name: air_temperature
time:	Array of 64 bit Reals [time = 0..7] long_name: Time units: minutes since 1992-01-08 00:00
lat:	Array of 64 bit Reals [lat = 0..599] units: degrees_north long_name: Latitude
lon:	Array of 64 bit Reals [lon = 0..1439] units: degrees_east long_name: Longitude

shum:

Grid
_FillValue: -999000000.
units: kg/kg
long_name: 3-hour Mean Specific Humidity at 2m Height
standard_name: specific_humidity

shum:	Array of 32 bit Reals [time = 0..7][lat = 0..599][lon = 0..1439] _FillValue: -999000000. units: kg/kg long_name: 3-hour Mean Specific Humidity at 2m Height standard_name: specific_humidity
time:	Array of 64 bit Reals [time = 0..7] long_name: Time units: minutes since 1992-01-08 00:00
lat:	Array of 64 bit Reals [lat = 0..599] units: degrees_north long_name: Latitude
lon:	Array of 64 bit Reals [lon = 0..1439] units: degrees_east long_name: Longitude

pres:

Grid
_FillValue: -999000000.
units: Pa
long_name: 3-hour Mean Air Pressure at Surface
standard_name: air_pressure

pres:	Array of 32 bit Reals [time = 0..7][lat = 0..599][lon = 0..1439] _FillValue: -999000000. units: Pa long_name: 3-hour Mean Air Pressure at Surface standard_name: air_pressure
time:	Array of 64 bit Reals [time = 0..7] long_name: Time units: minutes since 1992-01-08 00:00
lat:	Array of 64 bit Reals [lat = 0..599] units: degrees_north long_name: Latitude
lon:	Array of 64 bit Reals [lon = 0..1439] units: degrees_east long_name: Longitude

wind:

Grid
_FillValue: -999000000.
units: m/s
long_name: 3-hour Mean Windspeed at 10m Height
standard_name: wind_speed

wind:	Array of 32 bit Reals [time = 0..7][lat = 0..599][lon = 0..1439] _FillValue: -999000000. units: m/s long_name: 3-hour Mean Windspeed at 10m Height standard_name: wind_speed
time:	Array of 64 bit Reals [time = 0..7] long_name: Time units: minutes since 1992-01-08 00:00
lat:	Array of 64 bit Reals [lat = 0..599] units: degrees_north long_name: Latitude
lon:	Array of 64 bit Reals [lon = 0..1439] units: degrees_east long_name: Longitude