Alternate title

US-Wkg

Date (Publication)

2006-12-14

Title

Data DOI

Date (Publication)

2016-09-20T00:00:00

Citation identifier

10.17190/AMF/1246112

Cited responsible party

Organisation name	Individual name	Electronic mail address	Role
DOI		contact@doi.org	Point of contact

Cited responsible party

Organisation name	Individual name	Electronic mail address	Role
USDA/ARS > Agricultural Research Service, U. S. Department of Agriculture	Russell Scott	russ.scott@ars.usda.gov	Principal investigator

Purpose

AmeriFlux Community Goals Quantify the magnitude of the carbon sources and sinks for a range of terrestrial ecosystems in the Americas, and how they may be influenced by disturbance, management regimes, climate variability, nutrients, and atmospheric pollutants; Advance understanding of processes regulating carbon assimilation, respiration, and storage; Collect critical new information to help define the current global CO2 budget; Enable improved predictions of future concentrations of atmospheric CO2

Status

On going

Point of contact

Organisation name	Individual name	Electronic mail address	Role
USDA/ARS > Agricultural Research Service, U. S. Department of Agriculture	Russell Scott	russ.scott@ars.usda.gov	Principal investigator
AmeriFlux	Deb Agarwal	DAAgarwal@lbl.gov	Publisher

Maintenance and update frequency

Not planned

GCMD Earth Science and Earth Science Services

• EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > HUMIDITY

• EARTH SCIENCE > BIOSPHERE > VEGETATION > PHOTOSYNTHETICALLY ACTIVE RADIATION

• EARTH SCIENCE > ATMOSPHERE > PRECIPITATION

• EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC RADIATION

• EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC TEMPERATURE > ATMOSPHERIC TEMPERATURE INDICES

• EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > TERRESTRIAL ECOSYSTEMS > SHRUBLAND/SCRUB

• EARTH SCIENCE > LAND SURFACE > SOILS > SOIL MOISTURE/WATER CONTENT

• EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > TERRESTRIAL ECOSYSTEMS > GRASSLANDS

• EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > CARBON AND HYDROCARBON COMPOUNDS > CARBON DIOXIDE

• EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > EVAPOTRANSPIRATION

GCMD Locations

• CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > ARIZONA

NASA Global Change Master Directory Instruments

• PYRANOMETERS

• PYRGEOMETERS

• NET RADIOMETERS

• SOIL HEAT PROBE

• SONIC ANEMOMETER

• STREAM GAUGES

Theme

• US-Wkg

• Affiliation ID 128

• Agriflux

• Daymet

• Snow Water

• Water Vapor Pressure

• Incident Shortwave Radiation Flux Density

• Daylight

• Eddy Covariance Flux

• US-Ro2

• Croplands

• temperature / humidity probe

• Open path CO2 / H2O gas analyzer

• Ceptometer

• Portable photosynthesis system

• Precipitation gauge

• Trace gas analyzer

• NP211

Data Source Affiliation

• United States Department of Agriculture > Agricultural Research Service > Long-Term Agroecosystem Research > Walnut Gulch Experimental Watershed

Hydrologic Unit Codes (HUC)

• 150502020607

NRCS Major Land Resource Areas

• Western Range and Irrigated Region=D > Southeastern Arizona Basin and Range=41

Ag Data Commons Keywords

• Agroecosystems & Environment > Water > Evapotranspiration

• Agroecosystems & Environment > Atmosphere

Ag Data Commons Project Name

• Long-Term Agroecosystem Research - LTAR

• Long-Term Agroecosystem Research - LTAR > Walnut Gulch Experimental Watershed

Crossref Funding

• Agricultural Research Service

• U.S. Department of Energy

OMB Bureau Codes

• Department of Agriculture=5 > Agricultural Research Service=005:018

Federal Program Inventory

• Department of Agriculture=5 > National Research=005:040

Ag Data Common DOI Product Type

• Dataset

Ag Data Commons Data License Type

• Creative Commons Attribution

Federal Program Inventory

• Department of Agriculture=5 > National Research=005:040

FIPS State/County Codes

• Arizona=04 > Cochise County=04003

National Agricultural Library Thesaurus (NALT)

• energy

• carbon dioxide

• spring

• eddy covariance

• watersheds

• Agricultural Research Service

• carbon

• terrestrial ecosystems

• North America

• South America

• climate

• nutrients

• pollutants

• carbon dioxide fixation

• prediction

Use limitation

Information displayed has been gathered from global maps, regional network websites, and personal communication with investigators. If you have found an error, please send us an email by visiting http://fluxnet.ornl.gov/contact with a description of the error.

Missing data must be reported using -9999 as replacing value.

Floating point representations using -9999.x with x equal to one or more 0 or 9 will be considered equivalent to -9999 (e.g. -9999.0 or -9999.999). Other values such as -6999 are not acceptable as indication of missing value (for any reason).

Use constraints

Other restrictions

Other constraints

Cite this dataset when used as a source: Russell Scott (2004-) AmeriFlux US-Wkg Walnut Gulch Kendall Grasslands, 10.17190/AMF/1246112

Use constraints

Other restrictions

Other constraints

When you use AmeriFlux data:

Inform the AmeriFlux scientist(s) who contributed the data how you plan to use the data and of any publication plans. Initiate contact with the data contributor, so that they have the opportunity to contribute substantively and as a result to be a co-author. Acknowledge AmeriFlux data by citing the relevant DOI or paper(s), and/or acknowledging funding for the site support. If the data download was not accompanied by the preferred acknowledgment language, ask the site principal investigator.

Acknowledge the AmeriFlux data resource as "funding for AmeriFlux data resources was provided by the U.S. Department of Energy's Office of Science."

Language

eng

Topic category

• Climatology, meteorology, atmosphere
• Environment
• Inland waters
• Farming

Environment description

All eddy covariance data collection and calculations were performed on a CR5000 Campbell Scientific Data Logger. All signals were acquired at 10 Hz and half -hourly fluxes calculated and stored internally. Post processing of these data is done at the University of Minnesota using custom Matlab software. The eddy covariance system consists of a 2-dimensional sonic-anemometer-thermometer (CSAT3, Campbell Scientific Inc.) and an open-path infrared gas analyzer (LI-7500, LIcor). CO2 profiles are obtained using a Trace Gas Analyzer (TGA100, Campbell Scientific Inc.). Basic Post-Processing 1. Raw covariances are determined from 30 minute block averaging 2. Two-dimensional coordinate rotation is applied following Baldocchi et al., (1988) 3. Webb-Pearman-Leuning (WPL) & Schotanus simultaneous solution 4. Co-spectral corrections following analytical model of Massmann (2000) Please Note: These Eddy Flux Files are considered "RAW" and have not been filtered using final assessment of the co-spectra/stationarity/statistical properties.

Begin date

2003-01-01

Supplemental Information

AmeriFlux is a network of PI-managed sites measuring ecosystem CO2, water, and energy fluxes in North and South America. It was established to connect research on field sites representing major climate and ecological biomes, including tundra, grasslands, savanna, crops, and conifer, deciduous, and tropical forests. As a grassroots, investigator-driven network, the AmeriFlux community has tailored instrumentation to suit each unique ecosystem. This "coalition of the willing" is diverse in its interests, use of technologies and collaborative approaches. As a result, the AmeriFlux Network continually pioneers new ground.

Hierarchy level

Dataset

Feature catalogue citation

• Ameriflux feature catalogue

Metadata

File identifier

WalnutGulchKG_eaa_2015_March_12_1648 XML

Metadata language

eng

Character set

UTF8

Parent identifier

DRAFT Long-Term Agricultural Research (LTAR) network - Eddy Flux Collection

7315e228-8a46-4a50-bf14-f5ec8215d903

Hierarchy level

Dataset

Date stamp

2021-11-10T16:26:29

Metadata standard name

ISO 19115:2003/19139

Metadata standard version

1.0

Metadata author

Organisation name	Individual name	Electronic mail address	Role
USDA National Agricultural Library	* Erin Antognoli	erin.antognoli@ars.usda.gov	Author
USDA ARS SWRC	Gerardo Armendariz	gerardo.armendariz@ars.usda.gov	Author