Data Package Metadata   View Summary

Eight Mile Lake Research Watershed, Carbon in Permafrost Experimental Heating and Drying Research (DryPEHR): Half-hourly soil moisture and temperature data, 2010-2021

General Information
Data Package:
Local Identifier:knb-lter-bnz.576.12
Title:Eight Mile Lake Research Watershed, Carbon in Permafrost Experimental Heating and Drying Research (DryPEHR): Half-hourly soil moisture and temperature data, 2010-2021
Alternate Identifier:DOI PLACE HOLDER
Abstract:

This drying and warming experiment addresses the following questions: 1) Does ecosystem drying, warming and permafrost thaw cause a net release or uptake of C from the ecosystem to the atmosphere?, 2) Does the decomposition of old C that comprises the bulk of the soil C pool influence ecosystem C loss? 3) How do drying and warmign affect plant communities and ecosystem properties? We are answering these questions using a combined warming and drying experiment (DryPEHR), which is situated with the Carbon in Permafrost Experimental Heating Research (CiPEHR) project and located in an upland tundra field site near Healy, Alaska in the foothills of the Alaska Range. Warming treatment here refers to growing season air temperature warming (~1C) using open top chambers (OTC) combined with soil 'warming' using snow fences during the snow covered months. Drying is achieve using an automated pumping system that lowers the water table in the dry plots. Soil warming began in 2008; OTCs and drying in 2011.This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.

Short Name:knb-lter-bnz.576.12
Publication Date:2022-05-05
For more information:
Visit: http://www.lter.uaf.edu/data/data-detail/id/576
Visit: DOI PLACE HOLDER

Time Period
Begin:
2010-10-01
End:
2021-09-30

People and Organizations
Contact:Data Manager (Bonanza Creek LTER) [  email ]
Creator:See, Craig R. 
Creator:Celis, Gerardo (Postdoctoral Research Associate)
Creator:Mauritz, Marguerite (Research Associate Professor)
Creator:Taylor, Meghan (Postdoctoral Researcher )
Creator:Ledman, Justin (Site Technician)
Creator:Natali, Susan (Affiliate Scientist)
Creator:Schuur, Edward (Senior Investigator)
Organization:Bonanza Creek LTER

Data Entities
Data Table Name:
576_EML_AK_DryPEHR_soil_2010-2011.txt
Description:
This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Data Table Name:
576_EML_AK_DryPEHR_soil_2011-2012.txt
Description:
This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Data Table Name:
576_EML_AK_DryPEHR_soil_2012-2013.txt
Description:
This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Data Table Name:
576_EML_AK_DryPEHR_soil_2013to2014.txt
Description:
This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Data Table Name:
576_EML_AK_DryPEHR_soil_2014to2015.txt
Description:
This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Data Table Name:
576_EML_AK_DryPEHR_soil_2015-2016.csv
Description:
This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Data Table Name:
576_EML_AK_DryPEHR_soil_2016-2017.csv
Description:
This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Data Table Name:
576_EML_AK_DryPEHR_Soil_2017-2018.csv
Description:
This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Data Table Name:
576_EML_AK_DryPEHR_soil_2018-2019.csv
Description:
This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Data Table Name:
576_EML_AK_DryPEHR_soil_2019-2020.csv
Description:
This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Data Table Name:
576_EML_AK_DryPEHR_soil_2020-2021.csv
Description:
This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Detailed Metadata

Data Entities


Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-bnz/576/12/e4df546704745e6dda1a192a2aadb91b
Name:576_EML_AK_DryPEHR_soil_2010-2011.txt
Description:This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Number of Columns:14

Table Structure
Object Name:576_EML_AK_DryPEHR_soil_2010-2011.txt
Text Format:
Number of Header Lines:1
Record Delimiter:\n
Line Delimiter:\n
Orientation:column
Simple Delimited:
Field Delimiter:,

Table Column Descriptions
 TSYearDOYhourminFencePlotWarmDryT_fiveT_tenT_twentyT_fortyGWCVWC
Column Name:TS  
Year  
DOY  
hourmin  
Fence  
Plot  
Warm  
Dry  
T_five  
T_ten  
T_twenty  
T_forty  
GWC  
VWC  
Definition:Date measurement was takenYear measurement was takenDay of year measurement was takenHour/minute measurement was takenSnowfence numberPlot indentifier within a fenceWinter warming treatmentDrying treatmentSoil Temperature at 5 cmSoil Temperature at 10 cmSoil Temperature at 20 cmSoil Temperature at 40 cmGravimetric water content (0-5 cm)Volumetric water content (0-20 cm)
Storage Type:string  
integer  
integer  
float  
string  
string  
string  
string  
float  
float  
float  
float  
float  
float  
Measurement Type:dateTimeratioratiorationominalnominalnominalnominalratioratioratioratioratioratio
Measurement Values Domain:
FormatYYYY-MM-DD
Precision
Unitdimensionless
Typereal
Unitdimensionless
Typereal
Unithenry
Typereal
DefinitionSnowfence number
DefinitionPlot indentifier within a fence
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeW
Definitionannual warming; C=control
Source
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeD
DefinitionDry; C=control
Source
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
Unitgg-1
Typereal
Unitpercent
Typereal
Missing Value Code:
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CodeNA
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CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
Accuracy Report:                            
Accuracy Assessment:                            
Coverage:                            
Methods:                            

Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-bnz/576/12/d1a29322e2c538ae3284a3cb4de566f9
Name:576_EML_AK_DryPEHR_soil_2011-2012.txt
Description:This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Number of Columns:14

Table Structure
Object Name:576_EML_AK_DryPEHR_soil_2011-2012.txt
Text Format:
Number of Header Lines:1
Record Delimiter:\n
Line Delimiter:\n
Orientation:column
Simple Delimited:
Field Delimiter:,

Table Column Descriptions
 TSYearDOYhourminFencePlotWarmDryT_fiveT_tenT_twentyT_fortyGWCVWC
Column Name:TS  
Year  
DOY  
hourmin  
Fence  
Plot  
Warm  
Dry  
T_five  
T_ten  
T_twenty  
T_forty  
GWC  
VWC  
Definition:Date measurement was takenYear measurement was takenDay of year measurement was takenHour/minute measurement was takenSnowfence numberPlot indentifier within a fenceWinter warming treatmentDrying treatmentSoil Temperature at 5 cmSoil Temperature at 10 cmSoil Temperature at 20 cmSoil Temperature at 40 cmGravimetric water content (0-5 cm)Volumetric water content (0-20 cm)
Storage Type:string  
integer  
integer  
float  
string  
string  
string  
string  
float  
float  
float  
float  
float  
float  
Measurement Type:dateTimeratioratiorationominalnominalnominalnominalratioratioratioratioratioratio
Measurement Values Domain:
FormatYYYY-MM-DD
Precision
Unitdimensionless
Typereal
Unitdimensionless
Typereal
Unithenry
Typereal
DefinitionSnowfence number
DefinitionPlot indentifier within a fence
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeW
Definitionannual warming; C=control
Source
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeD
DefinitionDry; C=control
Source
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
Unitgg-1
Typereal
Unitpercent
Typereal
Missing Value Code:
CodeNA
ExplMissing Value
CodeNA
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CodeNA
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CodeNA
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CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
Accuracy Report:                            
Accuracy Assessment:                            
Coverage:                            
Methods:                            

Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-bnz/576/12/768777624f7bda1d7aa01f76aa2939be
Name:576_EML_AK_DryPEHR_soil_2012-2013.txt
Description:This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Number of Columns:14

Table Structure
Object Name:576_EML_AK_DryPEHR_soil_2012-2013.txt
Text Format:
Number of Header Lines:1
Record Delimiter:\n
Line Delimiter:\n
Orientation:column
Simple Delimited:
Field Delimiter:,

Table Column Descriptions
 TSYearDOYhourminFencePlotWarmDryT_fiveT_tenT_twentyT_fortyGWCVWC
Column Name:TS  
Year  
DOY  
hourmin  
Fence  
Plot  
Warm  
Dry  
T_five  
T_ten  
T_twenty  
T_forty  
GWC  
VWC  
Definition:Date measurement was takenYear measurement was takenDay of year measurement was takenHour/minute measurement was takenSnowfence numberPlot indentifier within a fenceWinter warming treatmentDrying treatmentSoil Temperature at 5 cmSoil Temperature at 10 cmSoil Temperature at 20 cmSoil Temperature at 40 cmGravimetric water content (0-5 cm)Volumetric water content (0-20 cm)
Storage Type:string  
integer  
integer  
float  
string  
string  
string  
string  
float  
float  
float  
float  
float  
float  
Measurement Type:dateTimeratioratiorationominalnominalnominalnominalratioratioratioratioratioratio
Measurement Values Domain:
FormatYYYY-MM-DD
Precision
Unitdimensionless
Typereal
Unitdimensionless
Typereal
Unithenry
Typereal
DefinitionSnowfence number
DefinitionPlot indentifier within a fence
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeW
Definitionannual warming; C=control
Source
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeD
DefinitionDry; C=control
Source
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
Unitgg-1
Typereal
Unitpercent
Typereal
Missing Value Code:
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
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CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
Accuracy Report:                            
Accuracy Assessment:                            
Coverage:                            
Methods:                            

Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-bnz/576/12/d967b51fa88a75b7fbdf6de94867f67f
Name:576_EML_AK_DryPEHR_soil_2013to2014.txt
Description:This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Number of Columns:14

Table Structure
Object Name:576_EML_AK_DryPEHR_soil_2013to2014.txt
Text Format:
Number of Header Lines:1
Record Delimiter:\n
Line Delimiter:\n
Orientation:column
Simple Delimited:
Field Delimiter:,

Table Column Descriptions
 TSYearDOYhourminFencePlotWarmDryT_fiveT_tenT_twentyT_fortyGWCVWC
Column Name:TS  
Year  
DOY  
hourmin  
Fence  
Plot  
Warm  
Dry  
T_five  
T_ten  
T_twenty  
T_forty  
GWC  
VWC  
Definition:Date measurement was takenYear measurement was takenDay of year measurement was takenHour/minute measurement was takenSnowfence numberPlot indentifier within a fenceWinter warming treatmentDrying treatmentSoil Temperature at 5 cmSoil Temperature at 10 cmSoil Temperature at 20 cmSoil Temperature at 40 cmGravimetric water content (0-5 cm)Volumetric water content (0-20 cm)
Storage Type:string  
integer  
integer  
float  
string  
string  
string  
string  
float  
float  
float  
float  
float  
float  
Measurement Type:dateTimeratioratiorationominalnominalnominalnominalratioratioratioratioratioratio
Measurement Values Domain:
FormatYYYY-MM-DD
Precision
Unitdimensionless
Typereal
Unitdimensionless
Typereal
Unithenry
Typereal
DefinitionSnowfence number
DefinitionPlot indentifier within a fence
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeW
Definitionannual warming; C=control
Source
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeD
DefinitionDry; C=control
Source
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
Unitgg-1
Typereal
Unitpercent
Typereal
Missing Value Code:
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
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CodeNA
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CodeNA
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CodeNA
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CodeNA
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CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
Accuracy Report:                            
Accuracy Assessment:                            
Coverage:                            
Methods:                            

Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-bnz/576/12/b1ad0fd86cec5cd4ccca4bd3f2d496c3
Name:576_EML_AK_DryPEHR_soil_2014to2015.txt
Description:This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Number of Columns:14

Table Structure
Object Name:576_EML_AK_DryPEHR_soil_2014to2015.txt
Text Format:
Number of Header Lines:1
Record Delimiter:\n
Line Delimiter:\n
Orientation:column
Simple Delimited:
Field Delimiter:,

Table Column Descriptions
 TSYearDOYhourminFencePlotWarmDryT_fiveT_tenT_twentyT_fortyGWCVWC
Column Name:TS  
Year  
DOY  
hourmin  
Fence  
Plot  
Warm  
Dry  
T_five  
T_ten  
T_twenty  
T_forty  
GWC  
VWC  
Definition:Date measurement was takenYear measurement was takenDay of year measurement was takenHour/minute measurement was takenSnowfence numberPlot indentifier within a fenceWinter warming treatmentDrying treatmentSoil Temperature at 5 cmSoil Temperature at 10 cmSoil Temperature at 20 cmSoil Temperature at 40 cmGravimetric water content (0-5 cm)Volumetric water content (0-20 cm)
Storage Type:string  
integer  
integer  
float  
string  
string  
string  
string  
float  
float  
float  
float  
float  
float  
Measurement Type:dateTimeratioratiorationominalnominalnominalnominalratioratioratioratioratioratio
Measurement Values Domain:
FormatYYYY-MM-DD
Precision
Unitdimensionless
Typereal
Unitdimensionless
Typereal
Unithenry
Typereal
DefinitionSnowfence number
DefinitionPlot indentifier within a fence
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeW
Definitionannual warming; C=control
Source
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeD
DefinitionDry; C=control
Source
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
Unitgg-1
Typereal
Unitpercent
Typereal
Missing Value Code:
CodeNA
ExplMissing Value
CodeNA
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CodeNA
ExplMissing Value
Accuracy Report:                            
Accuracy Assessment:                            
Coverage:                            
Methods:                            

Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-bnz/576/12/b6c5ecb4c301b916bee7546fe3abf84f
Name:576_EML_AK_DryPEHR_soil_2015-2016.csv
Description:This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Number of Columns:14

Table Structure
Object Name:576_EML_AK_DryPEHR_soil_2015-2016.csv
Text Format:
Number of Header Lines:1
Record Delimiter:\n
Line Delimiter:\n
Orientation:column
Simple Delimited:
Field Delimiter:,
Quote Character:"

Table Column Descriptions
 TSYearDOYhourminFencePlotWarmDryT_fiveT_tenT_twentyT_fortyGWCVWC
Column Name:TS  
Year  
DOY  
hourmin  
Fence  
Plot  
Warm  
Dry  
T_five  
T_ten  
T_twenty  
T_forty  
GWC  
VWC  
Definition:Date measurement was takenYear measurement was takenDay of year measurement was takenHour/minute measurement was takenSnowfence numberPlot indentifier within a fenceWinter warming treatmentDrying treatmentSoil Temperature at 5 cmSoil Temperature at 10 cmSoil Temperature at 20 cmSoil Temperature at 40 cmGravimetric water content (0-5 cm)Volumetric water content (0-20 cm)
Storage Type:string  
integer  
integer  
float  
string  
string  
string  
string  
float  
float  
float  
float  
float  
float  
Measurement Type:dateTimeratioratiorationominalnominalnominalnominalratioratioratioratioratioratio
Measurement Values Domain:
FormatYYYY-MM-DD
Precision
Unitdimensionless
Typereal
Unitdimensionless
Typereal
Unithenry
Typereal
DefinitionSnowfence number
DefinitionPlot indentifier within a fence
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeW
Definitionannual warming; C=control
Source
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeD
DefinitionDry; C=control
Source
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
Unitgg-1
Typereal
Unitpercent
Typereal
Missing Value Code:
CodeNA
ExplMissing Value
CodeNA
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CodeNA
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CodeNA
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CodeNA
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CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
Accuracy Report:                            
Accuracy Assessment:                            
Coverage:                            
Methods:                            

Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-bnz/576/12/4afdd438b7c8cebafbdbbd653f47b72e
Name:576_EML_AK_DryPEHR_soil_2016-2017.csv
Description:This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Number of Columns:14

Table Structure
Object Name:576_EML_AK_DryPEHR_soil_2016-2017.csv
Text Format:
Number of Header Lines:1
Record Delimiter:\n
Line Delimiter:\n
Orientation:column
Simple Delimited:
Field Delimiter:,
Quote Character:"

Table Column Descriptions
 TSYearDOYhourminFencePlotWarmDryT_fiveT_tenT_twentyT_fortyGWCVWC
Column Name:TS  
Year  
DOY  
hourmin  
Fence  
Plot  
Warm  
Dry  
T_five  
T_ten  
T_twenty  
T_forty  
GWC  
VWC  
Definition:Date measurement was takenYear measurement was takenDay of year measurement was takenHour/minute measurement was takenSnowfence numberPlot indentifier within a fenceWinter warming treatmentDrying treatmentSoil Temperature at 5 cmSoil Temperature at 10 cmSoil Temperature at 20 cmSoil Temperature at 40 cmGravimetric water content (0-5 cm)Volumetric water content (0-20 cm)
Storage Type:string  
integer  
integer  
float  
string  
string  
string  
string  
float  
float  
float  
float  
float  
float  
Measurement Type:dateTimeratioratiorationominalnominalnominalnominalratioratioratioratioratioratio
Measurement Values Domain:
FormatYYYY-MM-DD
Precision
Unitdimensionless
Typereal
Unitdimensionless
Typereal
Unithenry
Typereal
DefinitionSnowfence number
DefinitionPlot indentifier within a fence
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeW
Definitionannual warming; C=control
Source
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeD
DefinitionDry; C=control
Source
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
Unitgg-1
Typereal
Unitpercent
Typereal
Missing Value Code:
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
Accuracy Report:                            
Accuracy Assessment:                            
Coverage:                            
Methods:                            

Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-bnz/576/12/c1f9b6e8e97a223cfc26e5984b6cf0b8
Name:576_EML_AK_DryPEHR_Soil_2017-2018.csv
Description:This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Number of Columns:14

Table Structure
Object Name:576_EML_AK_DryPEHR_Soil_2017-2018.csv
Text Format:
Number of Header Lines:1
Record Delimiter:\n
Line Delimiter:\n
Orientation:column
Simple Delimited:
Field Delimiter:,
Quote Character:"

Table Column Descriptions
 TSYearDOYhourminFencePlotWarmDryT_fiveT_tenT_twentyT_fortyGWCVWC
Column Name:TS  
Year  
DOY  
hourmin  
Fence  
Plot  
Warm  
Dry  
T_five  
T_ten  
T_twenty  
T_forty  
GWC  
VWC  
Definition:Date measurement was takenYear measurement was takenDay of year measurement was takenHour/minute measurement was takenSnowfence numberPlot indentifier within a fenceWinter warming treatmentDrying treatmentSoil Temperature at 5 cmSoil Temperature at 10 cmSoil Temperature at 20 cmSoil Temperature at 40 cmGravimetric water content (0-5 cm)Volumetric water content (0-20 cm)
Storage Type:string  
integer  
integer  
float  
string  
string  
string  
string  
float  
float  
float  
float  
float  
float  
Measurement Type:dateTimeratioratiorationominalnominalnominalnominalratioratioratioratioratioratio
Measurement Values Domain:
FormatYYYY-MM-DD
Precision
Unitdimensionless
Typereal
Unitdimensionless
Typereal
Unithenry
Typereal
DefinitionSnowfence number
DefinitionPlot indentifier within a fence
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeW
Definitionannual warming; C=control
Source
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeD
DefinitionDry; C=control
Source
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
Unitgg-1
Typereal
Unitpercent
Typereal
Missing Value Code:
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
Accuracy Report:                            
Accuracy Assessment:                            
Coverage:                            
Methods:                            

Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-bnz/576/12/119dd76a19a46652b95093c8757b8892
Name:576_EML_AK_DryPEHR_soil_2018-2019.csv
Description:This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Number of Columns:14

Table Structure
Object Name:576_EML_AK_DryPEHR_soil_2018-2019.csv
Text Format:
Number of Header Lines:1
Record Delimiter:\n
Line Delimiter:\n
Orientation:column
Simple Delimited:
Field Delimiter:,
Quote Character:"

Table Column Descriptions
 TSYearDOYhourminFencePlotWarmDryT_fiveT_tenT_twentyT_fortyGWCVWC
Column Name:TS  
Year  
DOY  
hourmin  
Fence  
Plot  
Warm  
Dry  
T_five  
T_ten  
T_twenty  
T_forty  
GWC  
VWC  
Definition:Date measurement was takenYear measurement was takenDay of year measurement was takenHour/minute measurement was takenSnowfence numberPlot indentifier within a fenceWinter warming treatmentDrying treatmentSoil Temperature at 5 cmSoil Temperature at 10 cmSoil Temperature at 20 cmSoil Temperature at 40 cmGravimetric water content (0-5 cm)Volumetric water content (0-20 cm)
Storage Type:string  
integer  
integer  
float  
string  
string  
string  
string  
float  
float  
float  
float  
float  
float  
Measurement Type:dateTimeratioratiorationominalnominalnominalnominalratioratioratioratioratioratio
Measurement Values Domain:
FormatYYYY-MM-DD
Precision
Unitdimensionless
Typereal
Unitdimensionless
Typereal
Unithenry
Typereal
DefinitionSnowfence number
DefinitionPlot indentifier within a fence
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeW
Definitionannual warming; C=control
Source
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeD
DefinitionDry; C=control
Source
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
Unitgg-1
Typereal
Unitpercent
Typereal
Missing Value Code:
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
Accuracy Report:                            
Accuracy Assessment:                            
Coverage:                            
Methods:                            

Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-bnz/576/12/e95a62deba2a9a65332835638d2d75fd
Name:576_EML_AK_DryPEHR_soil_2019-2020.csv
Description:This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Number of Columns:14

Table Structure
Object Name:576_EML_AK_DryPEHR_soil_2019-2020.csv
Text Format:
Number of Header Lines:1
Record Delimiter:\n
Line Delimiter:\n
Orientation:column
Simple Delimited:
Field Delimiter:,
Quote Character:"

Table Column Descriptions
 TSYearDOYhourminFencePlotWarmDryT_fiveT_tenT_twentyT_fortyGWCVWC
Column Name:TS  
Year  
DOY  
hourmin  
Fence  
Plot  
Warm  
Dry  
T_five  
T_ten  
T_twenty  
T_forty  
GWC  
VWC  
Definition:Date measurement was takenYear measurement was takenDay of year measurement was takenHour/minute measurement was takenSnowfence numberPlot indentifier within a fenceWinter warming treatmentDrying treatmentSoil Temperature at 5 cmSoil Temperature at 10 cmSoil Temperature at 20 cmSoil Temperature at 40 cmGravimetric water content (0-5 cm)Volumetric water content (0-20 cm)
Storage Type:string  
integer  
integer  
float  
string  
string  
string  
string  
float  
float  
float  
float  
float  
float  
Measurement Type:dateTimeratioratiorationominalnominalnominalnominalratioratioratioratioratioratio
Measurement Values Domain:
FormatYYYY-MM-DD
Precision
Unitdimensionless
Typereal
Unitdimensionless
Typereal
Unithenry
Typereal
DefinitionSnowfence number
DefinitionPlot indentifier within a fence
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeW
Definitionannual warming; C=control
Source
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeD
DefinitionDry; C=control
Source
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
Unitgg-1
Typereal
Unitpercent
Typereal
Missing Value Code:
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
Accuracy Report:                            
Accuracy Assessment:                            
Coverage:                            
Methods:                            

Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-bnz/576/12/7e74c34fdda1d695baeb37a2052c36f0
Name:576_EML_AK_DryPEHR_soil_2020-2021.csv
Description:This data set includes half-hourly values of surface moisture content (gravimetric, 0-5cm), depth-integrated soil moisture (volumetric, 0-20 cm), and soil temperature in winter warming and summer warming, drying, and control treatment plots at DryPEHR.
Number of Columns:14

Table Structure
Object Name:576_EML_AK_DryPEHR_soil_2020-2021.csv
Text Format:
Number of Header Lines:1
Record Delimiter:\n
Line Delimiter:\n
Orientation:column
Simple Delimited:
Field Delimiter:,
Quote Character:"

Table Column Descriptions
 TSYearDOYhourminFencePlotWarmDryT_fiveT_tenT_twentyT_fortyGWCVWC
Column Name:TS  
Year  
DOY  
hourmin  
Fence  
Plot  
Warm  
Dry  
T_five  
T_ten  
T_twenty  
T_forty  
GWC  
VWC  
Definition:Date measurement was takenYear measurement was takenDay of year measurement was takenHour/minute measurement was takenSnowfence numberPlot indentifier within a fenceWinter warming treatmentDrying treatmentSoil Temperature at 5 cmSoil Temperature at 10 cmSoil Temperature at 20 cmSoil Temperature at 40 cmGravimetric water content (0-5 cm)Volumetric water content (0-20 cm)
Storage Type:string  
integer  
integer  
float  
string  
string  
string  
string  
float  
float  
float  
float  
float  
float  
Measurement Type:dateTimeratioratiorationominalnominalnominalnominalratioratioratioratioratioratio
Measurement Values Domain:
FormatYYYY-MM-DD
Precision
Unitdimensionless
Typereal
Unitdimensionless
Typereal
Unithenry
Typereal
DefinitionSnowfence number
DefinitionPlot indentifier within a fence
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeW
Definitionannual warming; C=control
Source
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeD
DefinitionDry; C=control
Source
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
UnitdegC
Typereal
Unitgg-1
Typereal
Unitpercent
Typereal
Missing Value Code:
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
CodeNA
ExplMissing Value
Accuracy Report:                            
Accuracy Assessment:                            
Coverage:                            
Methods:                            

Data Package Usage Rights

Data Use

This work has been produced as part of the Long Term Ecological Research Program and data users should adhere to the Data Use Agreement of the Long Term Ecological Research Network. The consumer of these data (“Data User” herein) has an ethical obligation 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 coauthorship 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.

Citation

It is considered a matter of professional ethics to acknowledge the work of other scientists. Thus, the Data User should properly cite the Data Set in any publications or in the metadata of any derived data products that were produced using the Data Set. Citation should take the following general form: Creator(s), Year of Data Publication, Title of Dataset, Publisher, Dataset identifier, Dataset URL, Dataset DOI. For Example: Van Cleve, Keith; Chapin, F. Stuart; Ruess, Roger W. 2016. Bonanza Creek Experimental Forest: Hourly Temperature (sample, min, max) at 50 cm and 150 cm from 1988 to Present, Bonanza Creek LTER - University of Alaska Fairbanks. BNZ:1, http://www.lter.uaf.edu/data/data-detail/id/1. doi:10.6073/pasta/725db90d86686be13e6d6b2da5d61217.

Acknowledgement

The Data User should acknowledge any institutional support or specific funding awards referenced in the metadata accompanying this dataset in any publications where the Data Set contributed significantly to its content. Acknowledgements should identify the supporting party, the party that received the support, and any identifying information such as grant numbers. For example: Data are provided by the Bonanza Creek LTER, a partnership between the University of Alaska Fairbanks, and the U.S. Forest Service. Significant funding for collection of these data was provided by the National Science Foundation Long-Term Ecological Research program (NSF Grant numbers DEB-1636476, DEB-1026415, DEB-0620579, DEB-0423442, DEB-0080609, DEB-9810217, DEB-9211769, DEB-8702629) and by the USDA Forest Service, Pacific Northwest Research Station (Agreement # RJVA-PNW-01-JV-11261952-231).

Notification

The Data User will notify the Data Set Contact when any derivative work or publication based on or derived from the Data Set is distributed.

Collaboration

The Data Set has been released in the spirit of open scientific collaboration. Data Users are thus strongly encouraged to consider consultation, collaboration and/or co-authorship with the Data Set Creator.

Disclaimer

While substantial efforts are made to ensure the accuracy of data and documentation contained in this Data Set, complete accuracy of data and metadata cannot be guaranteed. All data and metadata are made available in its present condition. The Data User holds all parties involved in the production or distribution of the Data Set harmless for damages resulting from its use or interpretation.

Additional Acknowledgements

The Schuur lab data provided on this site are freely available and were furnished by individual Schuur lab members who encourage their use. Please kindly inform in writing (or e-mail) the appropriate Schuur lab scientist(s) (PI) of how you intend to use the data and of any publication plans. It is also important to contact the Schuur lab investigator to assure you are downloading the latest revision of the data and to prevent potential misuse or misinterpretation of the data. Please acknowledge the data source as a citation. If the Schuur lab (PIs) feel that they should be acknowledged or offered participation as authors, they will let you know and we assume that an agreement on such matters will be reached before publishing and/or use of the data for publication. If your work directly competes with the Schuur lab analysis they may ask that they have the opportunity to submit a manuscript before you submit one that uses unpublished data. In addition, when publishing please acknowledge the agency that supported the research. Lastly, we kindly request that those publishing papers using Schuur lab data provide reprints to the PIs. [This statement taken from The Ameriflux Network data sharing policy]. Funding Acknowledgements: National Science Foundation Office of Polar Programs, Arctic Natural Sciences Program (ARC-1019324 , ARC-1203777, OPP-1312402); Department of Energy NICCR Program; Department of Energy Terrestrial Ecosystem Processes; National Science Foundation CAREER Program; National Parks Inventory and Monitoring Program; National Science Foundation Bonanza Creek LTER program.

Keywords

By Thesaurus:
Vegetationsoil moisture, permafrost, warming, drying, permafrost, tundra, soil temperature, active layer, open top chamber, snowfences, thaw

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:

Experimental Design

The DryPEHR project is adjacent to the Eight Mile Lake (EML) watershed and EML natural thaw gradient, and is situated in the northern foothills of the Alaska Range. Permafrost temperature has been monitored annually on a gentle north-facing slope at this site in a 30-m-deep borehole that was installed in 1985. Warming treatment here refers to growing season air temperature warming using open top chambers (OTC) combined with soil insulation using snow fences during the snow covered months. Drying is achieved using an automated pumping system that lowers the water table in the dry plots. Soil warming began in 2008; OTCs and drying in 2011. PLEASE NOTE that the control (no drying or warming treatment) for DryPEHR comes from the CiPEHR treatment and is thus identical to the CiPEHR WW and SW control. Ie: DryPEHR plot A = CiPEHR plot 2 and DryPEHR control water wells = CiPEHR control water wells.Heterogeneous microtopography as a result of subsidence has caused variable moisture conditions with some plots periodically or continuously flooded during the thawed period and some plots remaining dry. The water dynamics driven by landscape position are difficult to control via experimental pumping and the Control/Dry treatment designations may therefore not be accurate qualitative descriptors.

Methods

Data were collected using DC half-bridges (gravimetric water content, 0-5 cm), Campbell Scientific CS616 or CS615 water content reflectometers (volumetric water content, 0-20 cm), and type-T thermocouples (soil temperature at depth 5, 10 20 and 40 cm). Data were recorded and stored to Campbell CR1000 datalogger.

Sampling Area and Study Extent
Sampling Description:

Sampling Frequency

Scanned every 5 minutes, averaged and reported half-hourly.

Sampling Extent:
Sampling Site: 
Description:EML -- Tussock tundra at treeline with permafrost thaw and thermokarst. This site is in the Eight Mile Lake Watershed, west of the town of Healy on Stampede Road, Interior Alaska. This area contains three sites on a permafrost thaw gradient and a nearby experimental snow fence manipulation.. Site alternate names:
Site Coordinates:
Longitude (degree): -149.239569Latitude (degree): 63.880708

Time Period
Begin:
2010-10-01
End:
2021-09-30

People and Organizations

Publishers:
Organization:Environmental Data Initiative
Email Address:
info@environmentaldatainitiative.org
Web Address:
https://environmentaldatainitiative.org
Id:https://ror.org/0330j0z60
Creators:
Individual: Craig R. See
Address:
Northern Arizona University: Ecosystem Science and Society Center (ECOSS) PO Box 5620,
Flagstaff, AZ 86011 United States
Phone:
612-845-8154 (voice)
Email Address:
craig.see@nau.edu
Individual: Gerardo Celis
Position:Postdoctoral Research Associate
Address:
Northern Arizona University: Ecosystem Science and Society Center (ECOSS) PO Box 5620,
Flagstaff, AZ 86011 United States
Phone:
352-328-5031 (voice)
Email Address:
gerardo.celis@nau.edu
Web Address:
https://www2.nau.edu/schuurlab-p/Schaedel.html
Individual: Marguerite Mauritz
Position:Research Associate Professor
Address:
University of Texas, El Paso, 500 W University,
El Paso, TX 79902 United States
Email Address:
memauritz@utep.edu
Web Address:
https://expertise.utep.edu/profiles/memauritz
Individual: Meghan Taylor
Position:Postdoctoral Researcher
Address:
Rubenstein School of Environment and Natural Resources, University of Vermont,
Burlington, VT 05405 United States
Email Address:
meghan.taylor@uvm.edu
Individual: Justin Ledman
Position:Site Technician
Address:
PO Box 18 Healy, AK 99743,
Healy, AK 99743 United States
Phone:
651-895-0474 (voice)
Email Address:
justin.ledman@gmail.com
Individual: Susan Natali
Position:Affiliate Scientist
Address:
Woodwell Climate Research Center, 149 Woods Hole Road,
Falmouth, MA 02540 United States
Phone:
508-444-1560 (voice)
Email Address:
snatali@whrc.org
Web Address:
http://www.whrc.org/about/cvs/snatali.html
Individual: Edward Schuur
Position:Senior Investigator
Address:
Northern Arizona University: Ecosystem Science and Society Center (ECOSS) PO Box 5620,
Flagstaff, AZ 86011 United States
Phone:
(928) 523-8344 (voice)
Email Address:
Ted.Schuur@nau.edu
Web Address:
https://www2.nau.edu/schuurlab-p/
Organization:Bonanza Creek LTER
Address:
Boreal Ecology Cooperative Research Unit ,
University of Alaska Fairbanks,
P.O. Box 756780 ,
Fairbanks, AK 99775 USA
Phone:
907-474-6364 (voice)
Phone:
907-474-6251 (fax)
Email Address:
uaf-bnz-im-team@alaska.edu
Web Address:
http://www.lter.uaf.edu
Contacts:
Organization:Bonanza Creek LTER
Position:Data Manager
Address:
Boreal Ecology Cooperative Research Unit ,
University of Alaska Fairbanks,
P.O. Box 756780 ,
Fairbanks, AK 99775 USA
Phone:
907-474-6364 (voice)
Phone:
907-474-6251 (fax)
Email Address:
uaf-bnz-im-team@alaska.edu
Web Address:
http://www.lter.uaf.edu
Metadata Providers:
Organization:Bonanza Creek LTER
Position:Data Manager
Address:
Boreal Ecology Cooperative Research Unit ,
University of Alaska Fairbanks,
P.O. Box 756780 ,
Fairbanks, AK 99775 USA
Phone:
907-474-6364 (voice)
Phone:
907-474-6251 (fax)
Email Address:
uaf-bnz-im-team@alaska.edu
Web Address:
http://www.lter.uaf.edu

Temporal, Geographic and Taxonomic Coverage

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

Time Period
Begin:
2010-10-01
End:
2021-09-30
Sampling Site: 
Description:Dataset geographic description information is unavailable. {datafile/geoCoverage is empty}
Site Coordinates:
Longitude (degree): -149.225556Latitude (degree): 63.883056

Project

Parent Project Information:

Title:The Bonanza Creek LTER
Personnel:
Individual: Keith Van Cleve
Organization:Bonanza Creek LTER
Position:Lead Principal Investigator
Role:Principal Investigator
Individual: F.S. Stuart Chapin
Organization:Bonanza Creek LTER
Position:Lead Principal Investigator
Address:
Department of Biology and Wildlife; Institute of Arctic Biology: University of Alaska Fairbanks 193 Arctic Health P.O. Box 757000,
Fairbanks, AK 99775 United States
Phone:
(907) 455-6408 (voice)
Phone:
(907) 474-6967 (fax)
Email Address:
terry.chapin@alaska.edu
Web Address:
http://terrychapin.org/
Role:Principal Investigator
Individual: Roger W. Ruess
Organization:Bonanza Creek LTER
Position:Lead Principal Investigator
Address:
Institute of Arctic Biology University of Alaska Fairbanks P.O. Box 757000,
Fairbanks, AK 99775-0180 United States
Phone:
(907) 474-7153 (voice)
Phone:
(907) 474-6967 (fax)
Email Address:
rwruess@alaska.edu
Web Address:
http://www.iab.uaf.edu/~roger_ruess/
Role:Principal Investigator
Funding:

NSF Grant numbers DEB-1636476, DEB-1026415, DEB-0620579, DEB-0423442, DEB-0080609, DEB-9810217, DEB-9211769, DEB-8702629

USDA Forest Service, Pacific Northwest Research Station (Agreement # RJVA-PNW-01-JV-11261952-231)

Maintenance

Maintenance:
Description:

corrections

Temperatures gaps in the data were filled using a similar sensor with best fit linear regression. Starting September 2012 Temperatures were corrected for dowel movements casued by soil freezing. Soil moisture data is for growing season only (May 1st through Sept 30th) and were site calibrated. On August 2014 soil sensor dowel were replaced.

additional

Data were collected using DC half-bridges (gravimetric water content, 0-5 cm), Campbell Scientific CS616 water content reflectometers (volumetric water content, 0-20 cm), and type-T thermocouples (soil temperature).

Status

Ongoing

Frequency:
Other Metadata

Additional Metadata

additionalMetadata
        |___text '\n '
        |___element 'metadata'
        |     |___text '\n '
        |     |___element 'unitList'
        |     |     |___text '\n'
        |     |     |___element 'unit'
        |     |     |        \___attribute 'id' = 'YYYY-MM-DD'
        |     |     |___text '\n'
        |     |     |___element 'unit'
        |     |     |        \___attribute 'id' = 'degC'
        |     |     |___text '\n'
        |     |     |___element 'unit'
        |     |     |        \___attribute 'id' = 'gg-1'
        |     |     |___text '\n'
        |     |     |___element 'unit'
        |     |     |        \___attribute 'id' = 'percent'
        |     |     |___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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