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Hubbard Brook Experimental Forest: Watershed 3 Manganese Transects

General Information
Data Package:
Local Identifier:knb-lter-hbr.276.1
Title:Hubbard Brook Experimental Forest: Watershed 3 Manganese Transects
Alternate Identifier:DOI PLACE HOLDER
Abstract:

An area of Watershed 3 in Hubbard Brook Experimental Forest containing a seep, a spring and a swale was found to contain hot spots for soil manganese. The source of the Mn was thought to be groundwater discharge, and this area was studied intensively due to its implications for disproportionately affecting headwater stream chemistry. Soils were sampled along a grid pattern; O and B horizon samples were collected and analyzed for dithionite-extractable (total secondary) Mn & Fe, pH, total organic C and N, moisture content, and Cr oxidation potential (indicative of Mn oxide reactivity). The data were spatially interpolated to identify areas of Mn enrichment and other chemical variables related to topography and groundwater discharge. Two hot spots for soil Mn were found: one in a poorly drained, flowing spring and one in a moderately well-drained swale, which had similarly high Mn (6000-9000 mg kg-1 soil). However, the spring soils had high Cr oxidation potential while the nearby swale soils did not, indicating a difference in Mn reactivity. A third location in the study area was a poorly drained seep with water that was not visibly flowing, and these soils had lower quantities of Mn and low Cr oxidation potential.

Publication Date:2020-09-15

Time Period
Begin:
2011-06-01
End:
2012-12-31

People and Organizations
Contact:Hubbard Brook Ecosystem Study [  email ]
Creator:Bourgault, Rebecca R (Bloomsburg University of Pennsylvania)

Data Entities
Data Table Name:
HB_WS3_Manganese_Transects
Description:
Manganese transect data for Hubbard Brook Watershed 3
Detailed Metadata

Data Entities

Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-hbr/276/1/60ec89e5824c3283f2a486fc5edf295a
Name:HB_WS3_Manganese_Transects
Description:Manganese transect data for Hubbard Brook Watershed 3
Number of Records:218
Number of Columns:14

Table Structure
Object Name:HB_WS3_Manganese_Transects.csv
Size:23112 bytes
Authentication:2271ee3bcbf702a90d6076e02462a1b5 Calculated By MD5
Text Format:
Number of Header Lines:1
Record Delimiter:\n
Orientation:column
Simple Delimited:
Field Delimiter:,
Quote Character:"

Table Column Descriptions
 
Column Name:Pedon  
Horizon  
UD  
LD  
xcoord  
ycoord  
CrVI  
Fed  
Mnd  
pH  
TotC  
TotN  
MC  
WR  
Definition:pedon IDhorizon nameupper depth of horizonlower depth of horizonX-coordinate in meters – UTM NAD83Y-coordinate in meters – UTM NAD83chromium(VI) oxidation millimole per kg soilcitrate-dithionite-extractable iron (total secondary Fe) mg Fe/ kg soilcitrate-dithionite-extractable manganese (total secondary Mn) mg Mn/ kg soilpH in 1:1 soil:watertotal organic C measured by dry combustion – percent by masstotal organic N measured by dry combustion – percent by massgravimetric moisture content – gram dry soil per gram moist soilwetness ratio (actual moisture content/ predicted moisture content at field capacity) (Ross, 2007)
Storage Type:string  
string  
float  
float  
float  
float  
float  
float  
float  
float  
float  
float  
float  
float  
Measurement Type:nominalnominalratioratioratioratioratioratioratioratioratioratioratioratio
Measurement Values Domain:
Definitionpedon ID
Definitionhorizon name
Unitcentimeter
Typereal
Min-999.99 
Max25 
Unitcentimeter
Typereal
Min-999.99 
Max35 
Unitmeter
Typereal
Min281616.878 
Max281726.893 
Unitmeter
Typereal
Min4871039.117 
Max4871173.787 
UnitmillimolePerKilogram
Typereal
Min0 
Max837.74 
UnitmilligramPerKilogram
Typenatural
Min519 
Max40082 
UnitmilligramPerKilogram
Typenatural
Min4 
Max8885 
UnitpH
Typereal
Min2.7 
Max4.56 
Unitpercent
Typereal
Min-999.99 
Max49.4 
Unitpercent
Typereal
Min-999.99 
Max3.51 
UnitgramPerGram
Typereal
Min-999.99 
Max7.69276595744681 
Unitdimensionless
Typereal
Min-999.99 
Max7.04856928155863 
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 Controlled Vocabularyecosystems, forests, watersheds, soil, manganese, iron, soil water content, carbon, nitrogen, soil pH
HBES VocabularyHBR, Hubbard Brook LTER, Hubbard Brook Experimental Forest, Hubbard Brook Ecosystem Study, HBES, HBEF, New Hampshire, NH, White Mountain National Forest
National Research & Development TaxonomyEcology, Ecosystems, & Environment

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:

Courchesne, F., and M.-C. Turmel. 2007. Extractable Al, Fe, Mn, and Si. pp. 307-315. In M.R. Carter and E.G. Gregorich (eds.) Soil sampling and methods of analysis. 2nd edition. CRC Press, Boca Raton, FL.

Ross, D.S. 2007. A carbon-based method for estimating the wetness of forest surface soil horizons. Can. J. For. Res. 37:846-852.

Schoeneberger, P.J., D.A. Wysocki, E.C. Benham, and Soil Survey Staff. 2012. Field book for describing and sampling soils, version 3.0. Natural Resources Conservation Service, National Soil Survey Center, Lincoln, NE.

Thomas, G.W. 1986. Soil pH and soil acidity. pp. 475-490. In Sparks, D.L. (ed.) Methods of Soil Analysis, Part 3: Chemical Methods. SSSA Book Series No. 5, Soil Science Society of America, Madison, WI.

People and Organizations

Publishers:
Organization:Environmental Data Initiative
Email Address:
info@environmentaldatainitiative.org
Web Address:
https://environmentaldatainitiative.org
Creators:
Individual: Rebecca R Bourgault
Organization:Bloomsburg University of Pennsylvania
Email Address:
rbourgault@bloomu.edu
Contacts:
Organization:Hubbard Brook Ecosystem Study
Email Address:
hbr-im@lternet.edu

Temporal, Geographic and Taxonomic Coverage

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

Time Period
Begin:
2011-06-01
End:
2012-12-31
Geographic Region:
Description:Hubbard Brook Experimental Forest
Bounding Coordinates:
Northern:  43.959Southern:  43.914
Western:  -71.8062Eastern:  -71.7022

Project

Parent Project Information:

Title:Hydropedology of Podzols at Hubbard Brook, New Hampshire
Personnel:
Individual: Donald S Ross
Organization:University of Vermont
Email Address:
dross@uvm.edu
Role:Principal Investigator
Funding: National Science Foundation (NSF)

Maintenance

Maintenance:
Description:complete
Frequency:
Other Metadata

Additional Metadata

additionalMetadata
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        |___element 'metadata'
        |     |___text '\n      '
        |     |___element 'unitList'
        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'id' = 'pH'
        |     |     |     |  \___attribute 'name' = 'pH'
        |     |     |     |  \___attribute 'parentSI' = ''
        |     |     |     |  \___attribute 'unitType' = ''
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description'
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        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'id' = 'millimolePerKilogram'
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        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'id' = 'gramPerGram'
        |     |     |     |  \___attribute 'name' = 'gramPerGram'
        |     |     |     |  \___attribute 'parentSI' = ''
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        |     |     |     |___text '\n        '
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        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'id' = 'percent'
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        |     |     |     |___text '\n        '
        |     |     |___text '\n      '
        |     |___text '\n    '
        |___text '\n  '

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