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Weighing Lysimeter Data for The Bushland, Texas, Soybean Datasets

Metadata Updated: April 21, 2025

This dataset consists of five years of weighing lysimeter data for soybean [Glycine max (L.) Merr.] grown at the USDA-ARS Conservation and Production Laboratory (CPRL), Soil and Water Management Research Unit (SWMRU), Bushland, Texas (Lat. 35.186714°, Long. -102.094189°, elevation 1170 m above MSL) in 1995, 2003, 2004, 2010 and 2019. In 1995, 2003, 2004, and 2010, soybean was grown on two large, precision weighing lysimeters, each in the center of a 4.44 ha square field. In 2019, soybean was grown on four large, precision weighing lysimeters, each in the center of a 4.4-ha square field. The weighing lysimeters were used to measure mass, which was converted to relative soil water storage with 0.05 mm accuracy at 5-minute intervals, and the 5-minute change in soil water storage was used along with precipitation and irrigation amounts to calculate crop evapotranspiration (ET), which is reported at 15-minute intervals. Although a quality control process was used, the ET data in this dataset are considered raw data. Advanced algorithms for detection of precipitation, dew and frost were applied in a separate process to determine ET values that are reported in files in a dataset entitled "Evapotranspiration and Water Balance Data for The Bushland, Texas Soybean Datasets". Those files have "water-balance" in their names. Each lysimeter was equipped with a suite of instruments to sense wind speed, air temperature and relative humidity, components of the radiation balance (e.g., net radiation, incoming and reflected shortwave, photosynthetically active radiation (PAR), incoming and reflected longwave, thermal infrared emitted by the plant/soil surface), soil heat flux, soil temperature, and soil volumetric water content at certain depths. Not all properties were always sensed in any one year; and instruments used changed from season to season, which are reasons that subsidiary datasets and data dictionaries for each season are required. These datasets originate from research aimed at determining crop water use (ET), crop coefficients for use in ET-based irrigation scheduling based on a reference ET, crop growth, yield, harvest index, and crop water productivity as affected by irrigation method, timing, amount (full or some degree of deficit), agronomic practices, cultivar, and weather. Prior publications have focused on soybean ET, crop coefficients, crop water productivity, and simulation modeling of crop growth, water use, and yield. Crop coefficients have been used by ET networks. The data have utility for testing simulation models of crop ET, growth, and yield and have been used by both USDA and university researchers. See the README for descriptions of each data file. Resources in this dataset:Resource Title: 1995 Bushland, TX, West Soybean Weighing Lysimeter and Microclimate Data. File Name: 1995_Soybean_W_Lys_ClimDat(FINAL).xlsxResource Title: 2003 Bushland, TX, East Soybean Weighing Lysimeter and Microclimate Data. File Name: 2003_Soybean E_Lys_ClimDat(FINAL).xlsxResource Title: 2004 Bushland, TX, East Soybean Weighing Lysimeter and Microclimate Data. File Name: 2004_Soybean E_Lys_ClimDat(FINAL).xlsxResource Title: 2010 Bushland, TX, West Soybean Weighing Lysimeter and Microclimate Data. File Name: 2010_Soybean_W_Lys_ClimDat(FINAL).xlsxResource Title: 2019 Bushland, TX, East Soybean Weighing Lysimeter and Microclimate Data. File Name: 2019_Soybean_E_Lys_ClimDat(FINAL).xlsxResource Title: 2019 Bushland, TX, West Soybean Weighing Lysimeter and Microclimate Data. File Name: 2019_Soybean_W_Lys_ClimDat(FINAL).xlsxResource Title: README. File Name: README_Bushland_Soybean_Lys.txt

Access & Use Information

Public: This dataset is intended for public access and use. License: Creative Commons CCZero

Downloads & Resources

Dates

Metadata Created Date May 2, 2024
Metadata Updated Date April 21, 2025
Data Update Frequency irregular

Metadata Source

Harvested from USDA JSON

Additional Metadata

Resource Type Dataset
Metadata Created Date May 2, 2024
Metadata Updated Date April 21, 2025
Publisher Agricultural Research Service
Maintainer
Identifier 10.15482/USDA.ADC/1528684
Data Last Modified 2024-04-02
Public Access Level public
Data Update Frequency irregular
Bureau Code 005:18
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Harvest Object Id 732d4fa5-3adc-4fe0-ae87-85235ca98e93
Harvest Source Id d3fafa34-0cb9-48f1-ab1d-5b5fdc783806
Harvest Source Title USDA JSON
License https://creativecommons.org/publicdomain/zero/1.0/
Old Spatial {"type": "Polygon", "coordinates": -102.09906463948, 35.191719970106, -102.07671433134, 35.19121493622, -102.07678299485, 35.1865853205, -102.07609634934, 35.177044674547, -102.09913330298, 35.177072738625, -102.09906463948, 35.191719970106}
Program Code 005:040
Source Datajson Identifier True
Source Hash 6b97ab829c6ff4f78a3b48f1bf7e1eaf52b697c73463407e65e81f2d91a7dbca
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -102.09906463948, 35.191719970106, -102.07671433134, 35.19121493622, -102.07678299485, 35.1865853205, -102.07609634934, 35.177044674547, -102.09913330298, 35.177072738625, -102.09906463948, 35.191719970106}
Temporal 1995-01-01/2019-12-31

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