Data Package Metadata   View Summary

Jornada Basin LTER Cross-scale Interactions Study (CSIS) Block 10 meteorological station: Daily summary data: 2013 - ongoing

General Information
Data Package:
Local Identifier:knb-lter-jrn.210548055.1
Title:Jornada Basin LTER Cross-scale Interactions Study (CSIS) Block 10 meteorological station: Daily summary data: 2013 - ongoing
Alternate Identifier:DOI PLACE HOLDER
Abstract:

This data package contains hourly air temperature, relative humidity, wind speed, wind direction, and precipitation summary data from Jornada Basin LTER Cross Scale Interactions Study (CSIS) Block-10 met station. Air temperature, relative humidity, wind speed, wind direction, and precipitation are measured and calculated at an automated meteorological station connected to a 900 MHz spread spectrum wireless network. Wind speed is measured at 37cm, 75 cm, 150 cm, and 300 cm, wind direction at approximately 3m, and air temperature and relative humidity at approximate 2.5m. Measurements are aggregated at intervals of 5, 30, 60 minutes and daily, with precipitation additionally provided with 1 second aggregation during precipitation events. The met station variables measured include air temperature, precipitation, relative humidity, wind direction, wind speed. Precipitation is not measured at Block 1 and Block 12 because of proximity to Block 2 and Block 13, respectively . This is an ONGOING dataset.

Publication Date:2020-02-24

Time Period
Begin:
2013-05-07
End:
2020-01-25

People and Organizations
Contact:Data Manager(JRN-LTER Information Manager) [  email ]
Creator:Anderson, John (JRN LTER, Research Site Manager)

Data Entities
Data Table Name:
csis-10_daily_L2_rev_1.csv
Description:
Main data table from Jornada Basin LTER Cross-scale Interactions Study (CSIS) Block 10 meteorological station: Daily summary data: 2013 - ongoing
Detailed Metadata

Data Entities


Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-jrn/210548055/1/1d84bfde05a9ab8bca381daa00e8a098
Name:csis-10_daily_L2_rev_1.csv
Description:Main data table from Jornada Basin LTER Cross-scale Interactions Study (CSIS) Block 10 meteorological station: Daily summary data: 2013 - ongoing
Number of Records:2455
Number of Columns:50
Methods and protocols used in the collection of this data package
Description:

Data processing using the GCE Data Toolbox for MATLAB

Software:
Title:GCE Data Toolbox for MATLAB

Author(s):

Organization:Georgia Coastal Ecosystems LTER
Email Address:
gcelter@uga.edu
Abstract:

The GCE Data Toolbox is a comprehensive library of functions for metadata-based analysis quality control, transformation and management of ecological data sets. The toolbox is based on the GCE Data Structure, a MATLAB specification for storing tabular data along with all information required to interpret the data and generate formatted metadata (documentation). Metadata fields in the structure are queried by toolbox functions for all operations, allowing functions to process and format values appropriately based on the type of information they represent. This semantic processing approach supports highly automated and intelligent data analysis and ensures data set validity throughout all processing steps.

Implementation Info:
Distribution:
Url:https://gce-svn.marsci.uga.edu/trac/GCE_Toolbox
Version Number:Toolbox Version 3.9.9b (06-Mar-2019)
Quality Control
Quality Control Step 1: 
Description:

Quality control analysis was performed using the GCE Data Toolbox for MATLAB software. Column data types are validated upon importing the table into MATLAB, and qualifier flags are automatically generated for data values based on QA/QC criteria for each data column pre-defined in metadata templates (e.g. value range checks, sanity checks, pattern checks). Automatically-assigned qualifier flags are reviewed graphically and revised or augmented as deemed appropriate by JRN information management staff, based on metadata information from the contributor, values of other measured variables, or statistical tests. Qualifier flags are also assigned to values that are imputed or derived, revised, or otherwise differ from values in the original data submission. A column of coded qualifier flags is generated and included in the data table if flags are assigned to any value in a data column.


Table Structure
Object Name:csis-10_daily_L2_rev_1.csv
Size:522530 byte
Authentication:1125cf66e4a27c0b9992ea06ce95c556 Calculated By MD5
Character Encoding:ASCII
Text Format:
Number of Header Lines:4
Number of Foot Lines:0
Record Delimiter:\r\n
Line Number For One Record:1
Orientation:column
Simple Delimited:
Field Delimiter:,
Quote Character:"

Table Column Descriptions
 
Column Name:Date  
Year  
YearDay  
Hours  
RECORD  
Flag_RECORD  
SiteID  
Batt_V_Min  
Flag_Batt_V_Min  
Batt_V_TMn  
Ptemp_C_Avg  
Flag_Ptemp_C_Avg  
Air_TempC_Avg  
Flag_Air_TempC_Avg  
Air_TempC_Max  
Flag_Air_TempC_Max  
Air_TempC_Min  
Flag_Air_TempC_Min  
Relative_Humidity_Avg  
Flag_Relative_Humidity_Avg  
Relative_Humidity_Max  
Flag_Relative_Humidity_Max  
Relative_Humidity_Min  
Flag_Relative_Humidity_Min  
Ppt_mm_Tot  
Flag_Ppt_mm_Tot  
Ws_Mean_300cm  
Flag_Ws_Mean_300cm  
Ws_mean_Resultant_300cm  
Flag_Ws_mean_Resultant_300cm  
WinDir_mean_Resultant  
Flag_WinDir_mean_Resultant  
WinDir_Std_Dev  
Flag_WinDir_Std_Dev  
WS_ms_37cm_Avg  
Flag_WS_ms_37cm_Avg  
WS_ms_75cm_Avg  
Flag_WS_ms_75cm_Avg  
WS_ms_150cm_Avg  
Flag_WS_ms_150cm_Avg  
WS_ms_300cm_Avg  
Flag_WS_ms_300cm_Avg  
WS_ms_37cm_Max  
Flag_WS_ms_37cm_Max  
WS_ms_75cm_Max  
Flag_WS_ms_75cm_Max  
WS_ms_150cm_Max  
Flag_WS_ms_150cm_Max  
WS_ms_300cm_Max  
Flag_WS_ms_300cm_Max  
Definition:Date and time of observation. Time is in Mountain Standard Time (MST) or UTC/GMT -7Calendar yearNumerical year day (day number within the current year)Time of day in fractional hoursRecord number generated by datalogger programQA/QC flags for Record number generated by datalogger program (flagging criteria, where "x" is RECORD: x<0="I", manual)Site identifierBattery Voltage: Daily MinimumQA/QC flags for Battery Voltage: Daily Minimum (flagging criteria, where "x" is Batt_V_Min: x<12="W", x>=15="W")Battery Voltage: Time of Daily MinimumDatalogger Panel Temperature: Daily AverageQA/QC flags for Datalogger Panel Temperature: Daily Average (flagging criteria, where "x" is Ptemp_C_Avg: x<-35="I", manual)Air Temperature: Daily AverageQA/QC flags for Air Temperature: Daily Average (flagging criteria, where "x" is Air_TempC_Avg: x<-35="I", (x>=-35 & x<-30 | x>45 & x<=50)="Q", x>50="I", (RECORD==0 & x==0)="I", (Relative_Humidity_Min==0 & x==0)="I")Air Temperature: Daily MaximumQA/QC flags for Air Temperature: Daily Maximum (flagging criteria, where "x" is Air_TempC_Max: x<-35="I", (x>=-35 & x<-30 | x>45 & x<=50)="Q", x>50="I", (RECORD==0 & x==0)="I", (Relative_Humidity_Min==0 & x==0)="I")Air Temperature: Daily MinimumQA/QC flags for Air Temperature: Daily Minimum (flagging criteria, where "x" is Air_TempC_Min: x<-35="I", (x>=-35 & x<-30 | x>45 & x<=50)="Q", x>50="I", (RECORD==0 & x==0)="I", (Relative_Humidity_Min==0 & x==0)="I")Relative_Humidity_AvgQA/QC flags for Relative_Humidity_Avg (flagging criteria, where "x" is Relative_Humidity_Avg: x<=0="I", (x>100 & x<=105)="Q", x>105="I", (RECORD==0 & x==0)="I", (Air_TempC_Min==0 & x==0)="I", (isnan(Air_TempC_Avg) & check_duplicate_value(x))="I", (Relative_Humidity_Max==x & Relative_Humidity_Min==x)="I")Relative_Humidity_MaxQA/QC flags for Relative_Humidity_Max (flagging criteria, where "x" is Relative_Humidity_Max: x<=0="I", (x>100 & x<=105)="Q", x>105="I", (RECORD==0 & x==0)="I", (Air_TempC_Min==0 & x==0)="I", (isnan(Air_TempC_Avg) & check_duplicate_value(x))="I", (Relative_Humidity_Avg==x & Relative_Humidity_Min==x)="I")Relative_Humidity_MinQA/QC flags for Relative_Humidity_Min (flagging criteria, where "x" is Relative_Humidity_Min: x<=0="I", (x>100 & x<=105)="Q", x>105="I", (RECORD==0 & x==0)="I", (Air_TempC_Min==0 & x==0)="I", (isnan(Air_TempC_Avg) & check_duplicate_value(x))="I", (Relative_Humidity_Avg==x & Relative_Humidity_Max==x)="I")Precipitation: Daily TotalQA/QC flags for Precipitation: Daily Total (flagging criteria, where "x" is Ppt_mm_Tot: x<0="I", (x>101.6 & x<=177.8)="Q", x>177.8="I")Wind Speed: Daily Average at 300 cm heightQA/QC flags for Wind Speed: Daily Average at 300 cm height (flagging criteria, where "x" is Ws_Mean_300cm: x<0="I", (x>32 & x<=55)="Q", x>55="I", manual)Wind Speed: Daily Resultant Vector Average at 300 cm heightQA/QC flags for Wind Speed: Daily Resultant Vector Average at 300 cm height (flagging criteria, where "x" is Ws_mean_Resultant_300cm: x<0="I", (x>32 & x<=55)="Q", x>55="I", manual)Wind Direction: Daily Resultant Vector Average at 300 cm heightQA/QC flags for Wind Direction: Daily Resultant Vector Average at 300 cm height (flagging criteria, where "x" is WinDir_mean_Resultant: x<0="I", x>360="I", manual)Wind Direction: Daily Standard DeviationQA/QC flags for Wind Direction: Daily Standard Deviation (flagging criteria, where "x" is WinDir_Std_Dev: x<0="I", x>360="I", manual)Wind Speed: Daily Maximum at 300 cm heightQA/QC flags for Wind Speed: Daily Maximum at 300 cm height (flagging criteria, where "x" is WS_ms_37cm_Avg: x<0="I", (x>32 & x<=55)="Q", x>55="I", manual)Wind Speed: Daily Average at 75 cm heightQA/QC flags for Wind Speed: Daily Average at 75 cm height (flagging criteria, where "x" is WS_ms_75cm_Avg: x<0="I", (x>32 & x<=55)="Q", x>55="I", manual)Wind Speed: Daily Average at 150 cm heightQA/QC flags for Wind Speed: Daily Average at 150 cm height (flagging criteria, where "x" is WS_ms_150cm_Avg: x<0="I", (x>32 & x<=55)="Q", x>55="I", manual)Wind Speed: Daily Minimum at 150 cm heightQA/QC flags for Wind Speed: Daily Minimum at 150 cm height (flagging criteria, where "x" is WS_ms_300cm_Avg: x<0="I", (x>32 & x<=55)="Q", x>55="I", manual)Wind Speed: Daily Minimum at 300 cm heightQA/QC flags for Wind Speed: Daily Minimum at 300 cm height (flagging criteria, where "x" is WS_ms_37cm_Max: x<0="I", (x>32 & x<=55)="Q", x>55="I", manual)Wind Speed: Daily Maximum at 75 cm heightQA/QC flags for Wind Speed: Daily Maximum at 75 cm height (flagging criteria, where "x" is WS_ms_75cm_Max: x<0="I", (x>32 & x<=55)="Q", x>55="I", manual)Wind Speed: Daily Maximum at 150 cm heightQA/QC flags for Wind Speed: Daily Maximum at 150 cm height (flagging criteria, where "x" is WS_ms_150cm_Max: x<0="I", (x>32 & x<=55)="Q", x>55="I", manual)Wind Speed: Daily Average at 300 cm heightQA/QC flags for Wind Speed: Daily Average at 300 cm height (flagging criteria, where "x" is WS_ms_300cm_Max: x<0="I", (x>32 & x<=55)="Q", x>55="I", manual)
Storage Type:string  
integer  
integer  
float  
integer  
string  
integer  
floating-point  
string  
string  
floating-point  
string  
floating-point  
string  
floating-point  
string  
floating-point  
string  
floating-point  
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floating-point  
string  
floating-point  
string  
floating-point  
string  
integer  
string  
floating-point  
string  
floating-point  
string  
floating-point  
string  
floating-point  
string  
floating-point  
string  
floating-point  
string  
floating-point  
string  
floating-point  
string  
floating-point  
string  
Measurement Type:dateTimeintervalintervalintervalrationominalordinalrationominaldateTimerationominalrationominalrationominalrationominalrationominalrationominalrationominalrationominalrationominalrationominalrationominalrationominalrationominalrationominalrationominalrationominalrationominalrationominalrationominalrationominal
Measurement Values Domain:
FormatYYYY-MM-DD
Precision
UnitnominalYear
Precision1
Typereal
UnitnominalYear
Precision1
Typereal
Min
Max366 
Unithour
Precision0.0001
Typereal
Min
Max24 
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Precision1
Typereal
Min
Max
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeA
DefinitionAccepted value
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Code1
DefinitionBlock-1 site
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DefinitionBlock-2 site
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DefinitionBlock-5 site
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Missing Value Code:  
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
   
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
   
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
 
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
 
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
 
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
 
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
 
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
 
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
 
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
 
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
 
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
 
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
 
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
 
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
 
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
 
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
 
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
 
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
 
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
 
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
 
CodeNaN
Explvalue not recorded or censored based on quality control analysis (see methods)
 
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 Controlled Vocabularyair temperature, maximum temperature, minimum temperature, meteorology, wind direction, wind speed, precipitation, rain, relative humidity
JRN Dataset Keywordslong-term
Jornada Project NamesCSIS, study 548
Jornada Place NamesCSIS locations, Block 10
LTER Core AreaDisturbance
(No thesaurus)weather station, wind profile

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:

Summary: A met station consisting of a 3-meter mast is installed on the east side of the site between plots B and C. Air temperature, relative humidity, wind direction and wind speed sensors are mounted on the mast. A vertical wind profile is measured at most sites with anemometers at 0.37m, 0.75m, 1.5m and 3m on the mast.

Instrument(s):Temperature Probe; Manufacturer: Campbell Scientific Instruments, Model: CS215; Parameter: Air Temperature Accuracy: +/-0.3°C at 25°C, +/-0.4° (5°C to 40°C), +/-0.9°C (-40°C to 70°C), Range: -40°C to 70°C); Relative Humidity Sensor; Manufacturer: Campbell Scientific Instruments (capacitive relative humidity sensor, Model: CS215/18144); Parameter: Relative Humidity (Accuracy: 2% at 10-90% RH, 4% @ 0-100%; Range: 0% to 100% at -20°C to 60°C); Anemometer; Manufacturer: NRG, Inc (Model: 40C); Parameter: Wind Speed (Range: 0.5 to 50 m/s); Wind Vane; Manufacturer: NRG, Inc (Model: 200P); Parameter: Wind Direction (Range: 360 degrees (1 m/s threshold), Dead band: 8° max, 4° typical)
Description:

Method - Sensor readings are taken at 1 second intervals by a Campbell Scientific Instruments (CSI) CR1000 data logger and converted from analog voltage to calibrated digital data, if necessary, by the CR1000 data logger program (e.g., Xscale_Block_#_yyyy-mm-dd.cr1). Minimum, average, and maximum air temperature and relative humidity; average and maximum wind speed; average and standard deviation of wind direction, and total precipitation are calculated by the CR1000 datalogger program and stored in tables in the datalogger storage module at intervals of 5, 30, and 60 minutes and daily. One minute precipitation totals are calculated during precipitation events. These data are downloaded hourly from each remote site via a 900 MHz spread spectrum wireless radio network using CSI LoggerNet software. The data are parsed, quality-checked, documented and archived in the JRN-LTER Information Management office using data retrieval and parsing functions in the GCE Data Toolbox for MATLAB (https://gce-lter.marsci.uga.edu/lter/research/tools/data_toolbox.htm).

Sampling Area and Study Extent
Sampling Description:

Sensor readings are taken at 1 second intervals and aggregated into 5, 30, and 60 minute, and daily data tables.

Sampling Extent:

Time Period
Begin:
2013-05-07
End:
2020-01-25
Sampling Extent:
Geographic Region:
Description:Precise geographic coordinates of the meteorological station are available upon request; please contact the Data Manager.
Bounding Coordinates:
Northern:  32.605000Southern:  32.561000
Western:  -106.848000Eastern:  -106.764000

These methods, instrumentation, and/or protocols apply to the data table csis-10_daily_L2_rev_1.csv:

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

Data processing using the GCE Data Toolbox for MATLAB

Software:
Title:GCE Data Toolbox for MATLAB

Author(s):

Organization:Georgia Coastal Ecosystems LTER
Email Address:
gcelter@uga.edu
Abstract:

The GCE Data Toolbox is a comprehensive library of functions for metadata-based analysis quality control, transformation and management of ecological data sets. The toolbox is based on the GCE Data Structure, a MATLAB specification for storing tabular data along with all information required to interpret the data and generate formatted metadata (documentation). Metadata fields in the structure are queried by toolbox functions for all operations, allowing functions to process and format values appropriately based on the type of information they represent. This semantic processing approach supports highly automated and intelligent data analysis and ensures data set validity throughout all processing steps.

Implementation Info:
Distribution:
Url:https://gce-svn.marsci.uga.edu/trac/GCE_Toolbox
Version Number:Toolbox Version 3.9.9b (06-Mar-2019)
Quality Control
Quality Control Step 1: 
Description:

Quality control analysis was performed using the GCE Data Toolbox for MATLAB software. Column data types are validated upon importing the table into MATLAB, and qualifier flags are automatically generated for data values based on QA/QC criteria for each data column pre-defined in metadata templates (e.g. value range checks, sanity checks, pattern checks). Automatically-assigned qualifier flags are reviewed graphically and revised or augmented as deemed appropriate by JRN information management staff, based on metadata information from the contributor, values of other measured variables, or statistical tests. Qualifier flags are also assigned to values that are imputed or derived, revised, or otherwise differ from values in the original data submission. A column of coded qualifier flags is generated and included in the data table if flags are assigned to any value in a data column.

People and Organizations

Publishers:
Organization:Jornada Basin LTER
Creators:
Individual: John Anderson
Organization:JRN LTER
Position:Research Site Manager
Address:
Jornada Experimental Range, P.O. Box 30003, MSC 3JER, NMSU,
Las Cruces, NM 88003-8003
Email Address:
janderso@jornada-vmail.nmsu.edu
Contacts:
Individual: Data Manager
Position:JRN-LTER Information Manager
Address:
Jornada Experimental Range, P.O. Box 30003, MSC 3JER, New Mexico State University, Las Cruces, NM,
88003-8003
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:
2013-05-07
End:
2020-01-25
Geographic Region:
Description:Precise geographic coordinates of the meteorological station are available upon request; please contact the Data Manager.
Bounding Coordinates:
Northern:  32.605000Southern:  32.561000
Western:  -106.848000Eastern:  -106.764000

Project

Parent Project Information:

Title:Jornada Basin LTER
Personnel:
Individual: Debra P. C. Peters
Organization:USDA-ARS Jornada Experimental Range
Address:
Jornada Experimental Range, P.O. Box 30003, MSC 3JER, NMSU,
Las Cruces, NM 88003-8003
Email Address:
janderso@jornada-vmail.nmsu.edu
Role:project leader
Funding:

NSF: DEB-1832194

Maintenance

Maintenance:
Description:ongoing
Frequency:monthly
Other Metadata

Additional Metadata

additionalMetadata
        |___text '\n    '
        |___element 'metadata'
        |     |___text '\n      '
        |     |___element 'unitList' in ns 'http://www.xml-cml.org/schema/stmml-1.1' ('stmml:unitList')
        |     |     |  \___attribute 'schemaLocation' in ns 'http://www.w3.org/2001/XMLSchema-instance' ('xsi:schemaLocation') = 'http://www.xml-cml.org/schema/stmml-1.1 http://gce-lter.marsci.uga.edu/public/files/schemas/eml-210/stmml.xsd'
        |     |     |___text '\n        '
        |     |     |___element 'unit' in ns 'http://www.xml-cml.org/schema/stmml-1.1' ('stmml:unit')
        |     |     |     |  \___attribute 'id' = 'degreeCelcius'
        |     |     |     |  \___attribute 'name' = 'degreeCelcius'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description' in ns 'http://www.xml-cml.org/schema/stmml-1.1' ('stmml:description')
        |     |     |     |     |___text 'user defined unit\n                  degreeCelcius'
        |     |     |     |___text '\n        '
        |     |     |___text '\n        '
        |     |     |___element 'unit' in ns 'http://www.xml-cml.org/schema/stmml-1.1' ('stmml:unit')
        |     |     |     |  \___attribute 'abbreviation' = 'º'
        |     |     |     |  \___attribute 'id' = 'degrees'
        |     |     |     |  \___attribute 'multiplierToSI' = '0.0174532924'
        |     |     |     |  \___attribute 'name' = 'degrees'
        |     |     |     |  \___attribute 'parentSI' = 'radian'
        |     |     |     |  \___attribute 'unitType' = 'angle'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description' in ns 'http://www.xml-cml.org/schema/stmml-1.1' ('stmml:description')
        |     |     |     |     |___text '360 degrees comprise a unit\n                  circle.'
        |     |     |     |___text '\n        '
        |     |     |___text '\n        '
        |     |     |___element 'unit' in ns 'http://www.xml-cml.org/schema/stmml-1.1' ('stmml:unit')
        |     |     |     |  \___attribute 'id' = 'none'
        |     |     |     |  \___attribute 'name' = 'none'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description' in ns 'http://www.xml-cml.org/schema/stmml-1.1' ('stmml:description')
        |     |     |     |     |___text 'user defined unit none'
        |     |     |     |___text '\n        '
        |     |     |___text '\n        '
        |     |     |___element 'unit' in ns 'http://www.xml-cml.org/schema/stmml-1.1' ('stmml:unit')
        |     |     |     |  \___attribute 'abbreviation' = '%'
        |     |     |     |  \___attribute 'id' = 'percent'
        |     |     |     |  \___attribute 'multiplierToSI' = '1'
        |     |     |     |  \___attribute 'name' = 'percent'
        |     |     |     |  \___attribute 'unitType' = 'dimensionless'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description' in ns 'http://www.xml-cml.org/schema/stmml-1.1' ('stmml:description')
        |     |     |     |     |___text 'ratio of two quantities as\n                  percent composition (1:100)'
        |     |     |     |___text '\n        '
        |     |     |___text '\n      '
        |     |___text '\n    '
        |___text '\n  '

EDI is a collaboration between the University of New Mexico and the University of Wisconsin – Madison, Center for Limnology:

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