Unit process data for field crop production version 1

These unit process models represent crop production in US states in multiple years. The main data source used for the development of the field crop data described here is the annual USDA Agricultural Resource Management Survey (ARMS). ARMS data are from an annual national survey of field-level farm practices sponsored jointly by USDA Economic Research Service (ERS) and the USDA National Agricultural Statistics Service (NASS).

Within ARMS, data representing Crop Production Practices provides annual data summaries for field crops at the state level beginning in 1996, with only select crops surveyed each year: corn (1996, 1997, 1998, 1999, 2000, 2001, 2005); cotton (1996, 1997, 1998, 1999, 2000, 2003, 2007); oats (2005); peanuts (1999, 2004); rice (2006); soybeans (1996, 1997, 1998, 1999, 2000, 2002, 2006); and spring, durum, and winter wheat (1996, 1997, 1998, 2000, 2004, 2009). There are 466 crop-state-year combinations (e.g., the production of soybeans in Iowa in 2006) included. Single year datasets are combined into datasets that represent multiple years of production of a single kg of crop as the weighted production fraction for which single year unit process data have been prepared. Datasets combine 3 or more years of data. There are 70 multi-year datasets representing all field crops except oats, peanuts, and rice.

These datasets were released in ecospold version 1 in June 2012.

Models represent states that produced field crops in the ARMS survey years included.

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LCA-Digital-Commons-Unit-Process-Data-field-crop-production_v1_2012pdf
Cooper Crop Model version 1 documentation

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Data submitted to the LCA Commons by Dr. Joyce Cooper in ecospold version 1...
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Field	Value
Tags	accounting corn cotton soybean wheat Rice oat peanut Gossypium Glycine max Zea mays Triticum Avena sativa Arachis hypogaea NO-NP
Modified	2022-05-27
Release Date	2015-11-17
Frequency	Irregularly
Identifier	d7833a27-929a-4b7c-b6a7-511f21aafe6a
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Publisher	Ag Data Commons
Temporal Coverage	January 1, 1996 to December 31, 2009
License	U.S. Public Domain
Contact Name	Cooper, Joyce
Contact Email	cooperjs@uw.edu
Public Access Level	Public

Extended Metadata:

Field	Value
Authors	Cooper, Joyce (ORCID) Kahn, Ezra (ORCID) Noon, Michael (Scopus Author ID)
Peer Reviewed	No
Intended Use	These models were developed as specific, average or generic unit process or LCI results data sets for use in “Accounting” situations (C2) as described in European Commission - Joint Research Centre - Institute for Environment and Sustainability: International Reference Life Cycle Data System (ILCD) Handbook - General guide for Life Cycle Assessment - Detailed guidance. First edition March 2010. EUR 24708 EN. Luxembourg. Publications Office of the European Union; 2010.
Use Limitations	These unit process models are aggregated to the state level. They may be aggregated regionally or nationally with proper documentation of the aggregation method.
Funding Sources	Agricultural Research Service 58-8201-0-149
Related Articles	Cooper, J. S., Noon, M., & Kahn, E. (2012). Parameterization in Life Cycle Assessment inventory data: review of current use and the representation of uncertainty. The International Journal of Life Cycle Assessment, 17(6), 689-695. https://doi.org/10.1007/s11367-012-0411-1 Cooper, J. S., Kahn, E., & Ebel, R. (2012). Sampling error in US field crop unit process data for life cycle assessment. The International Journal of Life Cycle Assessment, 18(1), 185-192. https://doi.org/10.1007/s11367-012-0454-3
Dataset DOI (digital object identifier)	10.15482/USDA.ADC/1226080
Product Type	dataset
Related Content	HasVersion: Unit process data for field crop production version 1.1
Preferred Dataset Citation	Cooper et. al (2012) “Unit process data for field crop production version 1” University of Washington Design for Environment Laboratory. Unpublished report. https://data.nal.usda.gov/dataset/unit-process-data-field-crop-production-version-1

Field	Value
OSTI Identifier
ISO Topic(s)	environment farming
State or Territory	United States Of America
National Agricultural Library Thesaurus Term	gate-to-gate LCA LCI life cycle assessment life cycle inventory unit process
Ag Data Commons Keywords	Plants & Crops Crop production Plants & Crops
Program	Life Cycle Assessment – LCA Crop production data

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