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Summary
The U.S.D.A. Agricultural Research Service (ARS) has measured hydrologic
conditions in the Little Washita Watershed in southwestern Oklahoma since 1961.
In 1994, the ARS began monitoring the meteorological conditions in this
watershed with an automated 42-station network called the ARS Micronet.

The ARS Micronet is operated and maintained by the USDA ... Agricultural Research
Service's Grazinglands Research Laboratory (GRL) in cooperation with Oklahoma
State University and the Oklahoma Climatological Survey. The ARS Micronet is
located within the larger Oklahoma Mesonet, which is operated by the Oklahoma
Climatological Survey.

The support and cooperation of area landowners, without which the ARS Micronet
and related research would not be possible, is acknowledged and greatly
appreciated. As a result of the cooperation between landowners and the ARS,
progress in agricultural and hydrological research has been made possible.

Related URL

Link: GET DATA

Geographic Coverage Spatial coordinates   

N: 35.0

S: 34.77

E: -97.86

W: -98.29

Data Set Citation

Dataset Creator: U.S.D.A. Agricultural Research Service (ARS) Dataset Title: Meteorological Data from the USDA ARS Oklahoma Micronetwork Online Resource: http://grl.ars.usda.gov/micronet/

Temporal Coverage

Start Date: 1995-01-01

Location Keywords

CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > OKLAHOMA > LITTLE WASHITA WATERSHED, OKLAHOMA

Data Resolution

Temporal Resolution: Daily

Science Keywords

ATMOSPHERE > ATMOSPHERIC TEMPERATURE > AIR TEMPERATURE ATMOSPHERE > ATMOSPHERIC TEMPERATURE > SURFACE AIR TEMPERATURE ATMOSPHERE > ATMOSPHERIC WATER VAPOR > HUMIDITY > RELATIVE HUMIDITY ATMOSPHERE > PRECIPITATION > PRECIPITATION AMOUNT ATMOSPHERE > ATMOSPHERIC RADIATION > SOLAR RADIATION ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR

ISO Topic Category

CLIMATOLOGY/METEOROLOGY/ATMOSPHERE

Instrument

THERMISTORS HUMIDITY SENSORS RAIN GAUGES SOIL TEMPERATURE PROBE

Quality
`Automated quality assurance (QA) software developed by the Oklahoma
Mesonet provides an efficient means to sift through over 500,000
observations ingested daily. To complement the automated QA, a
meteorologist trained in advanced QA techniques and procedures reviews
data daily. QA flags are stratified (0="good", 1="suspect", 2="warning",
and 3="failure") so that users can decide the level of QA they prefer.

Access Constraints
Monthly Summaries of ARS Micronet data are available online here. The daily
climate data are contributed by the Agricultural Research Service, Grazinglands
Research Laboratory, El Reno, OK. The data are provided for the 42 ARS Micronet
stations in the Little Washita River Watershed. The data consist of accumulated
rainfall, relative humidity, air temperature at 1.5 m, solar radiation, and
soil temperature at 5, 10, 15 and 30 cm below ground surface.

Use Constraints
N/A

Ancillary Keywords

AGRICULTURE AIR TEMPERATURE MICRONET MESOSCALE METEOROLOGY MINUTE DATA OKLAHOMA OKLAHOMA MICRONET RADIATION RAINFALL RELATIVE HUMIDITY SOIL TEMPERATURE SURFACE PRECIPITATION Little Washita

Data Set Progress

IN WORK

Originating Center

USDA-ARS, GRL, Oklahoma

Data Center

Grazinglands Research Laboratory, Agriculture Research Service, U.S. Department of Agriculture Data Center URL: http://grl.ars.usda.gov/ Dataset ID: ARS micronetwork Data Center Personnel Name: JEAN STEINER Phone: 405-262-5291 Fax: 405-262-0133 Email: jsteiner at grl.ars.usda.gov Contact Address: USDA-ARS Grazinglands Research Lab 7207 W. Cheyenne St. City: El Reno Province or State: OK Postal Code: 73036 Country: USA

Distribution

Distribution Media: online (HTTP) Distribution Format: ascii, Access, Excel

Personnel

JIN-SONG CHEN Role: DIF AUTHOR Phone: 405-262-5291, ext. 261 Fax: 405-262-0133 Email: jchen at grl.ars.usda.gov Contact Address: USDA-ARS Grazinglands Research Lab 7207 W. Cheyenne St. City: El Reno Province or State: OK Postal Code: 73036 Country: USA JOHN ROSS Role: TECHNICAL CONTACT Phone: 405-262-5291, ext. 231 Fax: 405-262-0133 Email: jross at grl.ars.usda.gov Contact Address: USDA-ARS Grazinglands Research Lab 7207 W. Cheyenne St. City: El Reno Province or State: OK Postal Code: 73036 Country: USA

Publications/References
Fiebrich, C.A., and K.C. Crawford. 2001. The Impact of Unique
Meteorological Phenomena Detected by the Oklahoma Mesonet and ARS
Micronet on Automated Quality Control. Bulletin of the American
Meteorological Society 82(10):2173-2187.

Shafer, M.A., C.A. Fiebrich, D. Arndt, S.E. Fredrickson, T.W. Hughes.
2000. Quality Assurance Procedures in the Oklahoma
Mesonetwork. Journal of Atmospheric and Oceanic Technology 17(4):
474-494; American Meterological Society.

Creation and Review Dates

DIF Creation Date: 2004-08-12 Last DIF Revision Date: 2006-02-13

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