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Soil Water Availability responses to manipulated precipitation at the Jornda Basin, 2007-2009,

General Information
Data Package:
Local Identifier:knb-lter-jrn.210278001.69
Title:Soil Water Availability responses to manipulated precipitation at the Jornda Basin, 2007-2009,
Alternate Identifier:DOI PLACE HOLDER
Abstract:

A 2-year experimental manipulation of rainfall was conducted in grasslands dominated by black grama on the Jornada Experimental Range from 2007-2009. The objective was to understand the interaction of precipitation on ANPP legacies. Rain-out shelters were used to create 5 levels of precipitation: -80% and -50% reduced, ambient control, and +50% and +80% increased PPT. At each plot, both volumetric soil water content and soil water content were monitored at short (0-5 cm) and deep (30-50 cm) depths. This data set contains the date of collection, block number, plot number, precipitation treatment, depth of soil probe, voltage, and volumetric water content. This study was complete in November 2009.

For further information and results, see:

Throop, H., L. G. Reichmann, O. Sala, and S. Archer. 2012.  Response of dominant grass and shrub species to water manipulation: an ecophysical basis for shrub invasion in a Chihuahuan desert grassland. Oecologia 169: 373-383.

 

Publication Date:2020-01-03

Time Period
Begin:
2007-07-24
End:
2009-08-10

People and Organizations
Contact:Sala, Osvaldo (Arizona State University) [  email ]
Contact:Manager, Data (Jornada Basin LTER) [  email ]
Creator:Reichmann, Lara (Arizona State University)

Data Entities
Data Table Name:
Soil Water Content data on the Jornada Basin, 2007-2009
Description:
Soil Water Content data on the Jornada Basin, 2007-2009
Detailed Metadata

Data Entities

Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-jrn/210278001/69/71cb572676ecfafb38d149bf696ba7ad
Name:Soil Water Content data on the Jornada Basin, 2007-2009
Description:Soil Water Content data on the Jornada Basin, 2007-2009
Number of Records:2842
Number of Columns:8

Table Structure
Object Name:SoilWaterAvailability.csv
Size:107148 bytes
Authentication:5d14c7efbb0a452b2edc144347d430f3 Calculated By MD5
Text Format:
Number of Header Lines:1
Record Delimiter:\r\n
Orientation:column
Simple Delimited:
Field Delimiter:,

Table Column Descriptions
 
Column Name:date  
jd  
block  
plot  
ppt_trt  
pr_depth  
sen_mv  
vwc_percent  
Definition:Data data collectedJulian Day (1-365)Block exclosure indicating plot location (1-3)plot number, (plots 101-144 are in Block 1, 201-244 are in Block 2, 301-344 are in Block 3)precipitation treatment applied to the plotdepth at which soil moisture probe is inserted (s=shallow [0-5 centimeters]; d=deep [30-50 centimeters])sensor voltagevolumetric water content, % of water in a given volume
Storage Type:date  
string  
string  
string  
string  
string  
float  
float  
Measurement Type:dateTimenominalnominalnominalnominalnominalratioratio
Measurement Values Domain:
FormatYYYY-MM-DD
Precision
DefinitionJulian Day (1-365)
Allowed Values and Definitions
Enumerated Domain 
Code Definition
Code1
DefinitionExlosure 1 within Pasture 13
Source
Code Definition
Code2
DefinitionExlosure 2 within Pasture 13
Source
Code Definition
Code3
DefinitionExlosure 3 within Pasture 13
Source
Definitionplot number, (plots 101-144 are in Block 1, 201-244 are in Block 2, 301-344 are in Block 3)
Allowed Values and Definitions
Enumerated Domain 
Code Definition
Code4
Definition4 = 50% increased precipitation
Source
Code Definition
Code5
Definition5 = 80% increased precipitation
Source
Code Definition
Code1
Definition1 = 80% rain interception
Source
Code Definition
Code2
Definition2 = 50% rain interception
Source
Code Definition
Code3
Definition3 = ambient precipitation
Source
Allowed Values and Definitions
Enumerated Domain 
Code Definition
Codes
Definitions=shallow [0-5 centimeters]
Source
Code Definition
Coded
Definitiond=deep [30-50 centimeters]
Source
Unitmillivolt
Typeinteger
Min-999 
Max979 
UnitcubicCentimetersPerCubicCentimeters
Typereal
Min-999 
Max20.85 
Missing Value Code:                
Accuracy Report:                
Accuracy Assessment:                
Coverage:                
Methods:                

Data Package Usage Rights

This information is released under the Creative Commons license - Attribution - CC BY (https://creativecommons.org/licenses/by/4.0/). The consumer of these data ("Data User" herein) is required to cite it appropriately in any publication that results from its use. The Data User should realize that these data may be actively used by others for ongoing research and that coordination may be necessary to prevent duplicate publication. The Data User is urged to contact the authors of these data if any questions about methodology or results occur. Where appropriate, the Data User is encouraged to consider collaboration or co-authorship with the authors. The Data User should realize that misinterpretation of data may occur if used out of context of the original study. While substantial efforts are made to ensure the accuracy of data and associated documentation, complete accuracy of data sets cannot be guaranteed. All data are made available "as is." The Data User should be aware, however, that data are updated periodically and it is the responsibility of the Data User to check for new versions of the data. The data authors and the repository where these data were obtained shall not be liable for damages resulting from any use or misinterpretation of the data. Thank you.

Keywords

By Thesaurus:
LTER Core AreaPopulations, Land Use and Land Cover Change
JRN Dataset KeywordsClimate, Soils, and Atmosphere, Vegetation Dynamics, Plant, Nitrogen, and Micronutrients, Study 278
LTER Controlled Vocabularysoil water content, soils, water, community structure, Vegetation Dynamics, annual net primary production, precipitation, soil nitrogen, soil moisture

Methods and Protocols

These methods, instrumentation and/or protocols apply to all data in this dataset:

Methods and protocols used in the collection of this data package
Description:

This study was conducted on the Jornada Experimental Range (JER) from 2007-2009. The study area is located on a level upland with flat slopes (1-5%) that were fenced from cattle grazing since 1996. The vegetation was dominantly desert grassland (Bouteloua eriopoda, black grama) followed by honey mesquite (Prosopis glandulosa). Soils are coarse-textured, well-drained, sandy loams soils (Typic Paleothids).

A randomized complete block design was employed to randomly assign one treatment combination to each plot (2.5 × 2.5 m) within one of three blocks. Precipitation (PPT) manipulations consisted of five levels of PPT relative to ambient PPT: −80, −50%, control, +50, +80%, with 12 replicates per treatment. Reduction of 50% or 80% of rainfall was achieved using different numbers of transparent acrylic V-shaped “shingles” per shelter. The shingles routed incoming PPT to outside gutters. For increased PPT treatments, a PVC-pipe irrigation system with sprinklers was installed over the plots. Irrigation occurred the day of the rain event if PPT was > 2mm using rainfall collected off-site. Control plots received ambient PPT and had neither shelters nor irrigation systems. Volumetric soil water content was measured (VWC) to evaluate the effectiveness of the water manipulation treatments. An ECH2O check handheld was used to take VWC measurements the 1st, 3rd and 5th days following a precipitation event >2 mm, and every 2 to 3 weeks during the period in between rainfall events. Soil water content was also monitored using ECH2O™ EC-5 moisture sensors (Decagon Devices, Pullman, WA) at short (0-5 cm) and deep (30-50 cm) depths. Probes were calibrated for soils at the study site following instructions from the manufacturer. The is data set contains information on the date of data collection, the Julian Day, block number, plot number, precipitation treatment, depth of soil probe, sensor voltage, and volumetric water content. This study was complete in 2009.

People and Organizations

Creators:
Individual: Lara Reichmann
Organization:Arizona State University
Email Address:
Lara_Reichmann@brown.edu
Contacts:
Individual: Osvaldo Sala
Organization:Arizona State University
Email Address:
Osvaldo.Sala@asu.edu
Individual: Data Manager
Organization:Jornada Basin LTER
Email Address:
datamanager.jrn.lter@gmail.com

Temporal, Geographic and Taxonomic Coverage

Temporal, Geographic and/or Taxonomic information that applies to all data in this dataset:

Time Period
Begin:
2007-07-24
End:
2009-08-10
Geographic Region:
Description:Basin_Floor
Bounding Coordinates:
Northern:  32.7494871Southern:  32.47317259
Western:  -106.8728831Eastern:  -106.6927163

Project

Parent Project Information:

Title:Jornada Basin LTER
Personnel:
Individual: Osvaldo Sala
Organization:Arizona State University
Email Address:
Osvaldo.Sala@asu.edu
Role:Principal Investigator
Funding: No funding to report

Maintenance

Maintenance:
Description:complete
Frequency:
Other Metadata

Additional Metadata

additionalMetadata
        |___text '\n    '
        |___element 'metadata'
        |     |___text '\n      '
        |     |___element 'unitList'
        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'id' = 'millivolt'
        |     |     |     |  \___attribute 'multiplierToSI' = '0.001'
        |     |     |     |  \___attribute 'name' = 'millivolt'
        |     |     |     |  \___attribute 'parentSI' = 'volt'
        |     |     |     |  \___attribute 'unitType' = 'potentialDifference'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description'
        |     |     |     |     |___text 'millivolt'
        |     |     |     |___text '\n        '
        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'id' = 'cubicCentimetersPerCubicCentimeters'
        |     |     |     |  \___attribute 'multiplierToSI' = '1'
        |     |     |     |  \___attribute 'name' = 'cubicCentimetersPerCubicCentimeters'
        |     |     |     |  \___attribute 'parentSI' = ''
        |     |     |     |  \___attribute 'unitType' = 'volumePerVolume'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description'
        |     |     |     |     |___text 'cubic centimeters per cubic centimeter'
        |     |     |     |___text '\n        '
        |     |     |___text '\n      '
        |     |___text '\n    '
        |___text '\n  '

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