Data Package Metadata   View Summary

Spatial Variation of Soil Carbon, Nitrogen and Phosphorus in the Luquillo Experimental Forest (LEF) (LEF_SOIL_CNP)

General Information
Data Package:
Local Identifier:knb-lter-luq.110.84
Title:Spatial Variation of Soil Carbon, Nitrogen and Phosphorus in the Luquillo Experimental Forest (LEF) (LEF_SOIL_CNP)
Alternate Identifier:DOI PLACE HOLDER
Abstract:

Hongqing Wang, a Ph.D graduate student of SUNY-ESF, with the help of many others, took soil samples in 119 locations over the entire Luquillo Experimental Forest (LEF) during the summer of 1998 and 1999. Soil organic carbon, total nitrogen and acid-extractable phosphorus were measured in the laboratory of SUNY-ESF; soil moisture and bulk density were measured at the laboratory of the El Verde Station of UPR. The geodetic coordinates (Lat., Lon.) and elevation of each sampling location were determined using a Global Positioning System (GPS Pathfinder Basic Receivers, Trimble Navigation Ltd.) in the field. Meanwhile, slope angle, aspect and topographic features (Ridge, slope I (<35 deg.), slope II (>=35 deg.), valleys) were also measured and observed in the field.

Publication Date:2011-06-03
Language:English

Time Period
Begin:
1998-06-29
End:
1998-07-15

People and Organizations
Contact:Hall, Charles A.S.  [  email ]
Creator:Hall, Charles A.S. 
Associate:Melendez-Colom, Eda (University of Puerto Rico, Rio Piedras Campus, data manager)
Associate:Wang, Hongqing 

Data Entities
Data Table Name:
LEF_SOIL_CNP
Description:
LEF_SOIL_CNP
Detailed Metadata

Data Entities


Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-luq/110/84/adda15449894c5f52f5f803b03f27fa7
Name:LEF_SOIL_CNP
Description:LEF_SOIL_CNP
Number of Records:119
Number of Columns:12

Time Period
Begin:
1998-06-29
End:
1999-06-15

Table Structure
Object Name:lef_soil_cnp.csv
Size:6723
Text Format:
Number of Header Lines:1
Number of Foot Lines:0
Record Delimiter:\n
Orientation:column
Simple Delimited:
Field Delimiter:,

Table Column Descriptions
 Number of SampleEastingNorthingElevation [m a.s.l.]Slope AngleAspectTopographySoil Moisture ContentBulk DensitySoil Organic CarbonTotal NitrogenAcid-extractable Phosphorus
Column Name:SAMPLE#  
EAST_M  
NORTH_M  
Elevation [m a.s.l.]  
SLP_DEGREE  
ASP_DEGREE  
TOPO  
SM_%  
BD_G-CM3  
SOC_%  
TN_%  
P_PPM  
Definition:A number to identify the sampleHorizontal distance on map. The easting, ageographic Cartesian coordinate for a point, refers to the eastward-measured distance (or the x-coordinate),Northing of map. Vertical distance on map. Geographic Cartesian coordinates for a point on a projection map. Refers to the northward-measured distance (or the y-coordinate).Elevation above sea levelAngle tilted from horizonAngle from Norht, clockwise. Ranges from 10 to 340 deg.Heterogeneity of landscape (codes for topographic classification)Moisture status in soil (gravimetric moisture content in g.H2O/100g dry soil)Mass of dry soil per unit volume (in grams per cubic centimeter)Storage of soil organic carbon in soil (determined using the Walkley-Black method)Content of total nitrogen (determined using the Kjeldahl method)Index of available Phosphorus (determined using the extraction method, phosphorus soluble in dilute acid-fluoride)
Storage Type:             string  
         
Measurement Type:ratioratioratioratioratiorationominalratioratioratioratioratio
Measurement Values Domain:
Unitdimensionless
Typereal
Unitmeter
Precision10
Typereal
Min45760 
Max57280 
Unitmeter
Precision10
Typereal
Min209000 
Max229130 
Unitmeter
Typereal
Unitdegree
Typereal
Unitdegree
Typereal
Min10 
Max340 
Allowed Values and Definitions
Enumerated Domain 
Code Definition
Coder
Definitionridge tops
Source
Code Definition
Codes1
Definitionsteep slope (greather or equal than 35 degrees)
Source
Code Definition
Codes2
Definitionmoderate slope (less than 35 degrees)
Source
Code Definition
Codev
Definitionvalleys
Source
UnitgramsPerGram
Typereal
Min37 
Max232 
UnitgramsPerCubicCentimeter
Typereal
Min0.2 
Max1.2 
Unitpercent
Typereal
Min0.3 
Max26 
Unitpercent
Typereal
Min0.05 
Max
Unitppm
Typereal
Min0.02 
Max
Missing Value Code:                        
Accuracy Report:                        
Accuracy Assessment:                        
Coverage:                        
Methods:                        

Data Package Usage Rights

Data Policies

LTER Network Data Access Policy, Data Access Requirements, and General Data Use Agreement
approved by the LTER Coordinating Committee April 6, 2005

Long Term Ecological Research Network Data Access Policy

The LTER data policy includes three specific sections designed to express shared network policies regarding the release of LTER data products, user registration for accessing data, and the licensing agreements specifying the conditions for data use.

LTER Network Data Release Policy

Data and information derived from publicly funded research in the U.S. LTER Network, totally or partially from LTER funds from NSF, Institutional Cost-Share, or Partner Agency or Institution where a formal memorandum of understanding with LTER has been established, are made available online with as few restrictions as possible, on a nondiscriminatory basis. LTER Network scientists should make every effort to release data in a timely fashion and with attention to accurate and complete metadata.

Data[current-user:created]

There are two data types:

Type I – data are to be released to the general public according to the terms of the general data use agreement (see Section 3 below) within 2 years from collection and no later than the publication of the main findings from the dataset and,

Type II - data are to be released to restricted audiences according to terms specified by the owners of the data. Type II data are considered to be exceptional and should be rare in occurrence. The justification for exceptions must be well documented and approved by the lead PI and Site Data Manager. Some examples of Type II data restrictions may include: locations of rare or endangered species, data that are covered under prior licensing or copyright (e.g., SPOT satellite data), or covered by the Human Subjects Act. Researchers that make use of Type II Data may be subject to additional restrictions to protect any applicable commercial or confidentiality interests.

While the spirit of this document is to promote maximum availability for ecological data in either Type I or II status, there are criteria by which priority for data release may be determined. Primary observations collected for core research activities directly supported by LTER research must receive the highest priority for data release. Data collected by other sources to which LTER supported research has added value is also a high priority Other types of data including non-LTER data that was acquired for LTER research, student thesis data, schoolyard LTER data, or legacy data that already suffer from inadequate documentation or format obsolescence may be ranked a lower priority by a site with justifications provided in their data management policy. Finally, some data may be determined of lowest priority for archiving on the grounds that they are interim data that led to final products that carry the scientific value. These might include data files created during stages within an analytic workflow, raw or replicate data values that were subsequently aggregated or processed for release, or individual outputs from stochastic models.

Metadata

Metadata documenting archived/online data sets of all types listed above will be made available when, or before, the dataset itself is released according to the terms above.
All metadata will be publicly available regardless of any restrictions on access to the data.
All metadata will follow LTER recommended standards and will minimally contain adequate information on proper citation, access, contact information, and discovery. Complete information including methods, structure, semantics, and quality control/assurance is expected for most datasets and is strongly encouraged.
LTER Network Data Access Requirements

The access to all LTER data is subject to requirements set forth by this policy document to enable data providers to track usage, evaluate its impact in the community, and confirm users' acceptance of the terms of acceptable use. These requirements are standardized across the LTER Network to provide contractual exchange of data between Site Data Providers, Network Data Providers, and Data Users that can be encoded into electronic form and exchanged between computers. This will allow direct access to data via a common portal once these requirements have been fulfilled. The following information may be required directly or by proxy prior to the transference of any data object:

Registration

1. Name

2. Affiliation

3. Email Address

4. Full Contact Information

Acceptance of the General Public Use Agreement or Restricted Data Use Agreement, as applicable.
A Statement of Intended Use that is compliant with the above agreements. Such statements may be made submitted explicitly or made implicitly via the data access portal interface.

General Data Use Agreement

LUQ  data and metadata is released under public domain:  CC BY – Attribution.

Conditions of Use

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.
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 "as is". 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.[current-user:name]

Keywords

By Thesaurus:
Core Areasinorganic nutrients, organic matter
LTER Controlled Vocabularymeasurements, chemical properties, nitrogen content, physical properties, bulk density, spatial properties, spatial variability, substances, elements and compounds, carbon, organic carbon, soil carbon, nitrogen, phosphorus, water, soil moisture, substrates, soil

Methods and Protocols

No methods information available

People and Organizations

Creators:
Individual: Charles A.S. Hall
Address:
SUNY College of Environmental Sciences and Forestry, Illick Hall,
Syracuse, NY 13210 US
Phone:
(315) 470-6870 (voice)
Phone:
(315) 470-6934 (facsimile)
Email Address:
chall@lternet.edu
Web Address:
http://www.esf.edu/EFB/hall/
Contacts:
Individual: Charles A.S. Hall
Address:
SUNY College of Environmental Sciences and Forestry, Illick Hall,
Syracuse, NY 13210 US
Phone:
(315) 470-6870 (voice)
Phone:
(315) 470-6934 (facsimile)
Email Address:
chall@lternet.edu
Web Address:
http://www.esf.edu/EFB/hall/
Associated Parties:
Individual: Eda Melendez-Colom
Organization:University of Puerto Rico, Rio Piedras Campus
Address:
University of Puerto Rico at Rio Piedras, Ponce de Leon Ave.,
San Juan, PR 00931 US
Phone:
(787) 764-0000 (voice)
Email Address:
edacorreo@yahoo.com
Role:data manager
Individual: Hongqing Wang
Address:
Center for Louisiana Inland Water Studies University of Louisiana at Lafayette 635 Cajundome Blvd, 126 Abdalla Hall,
Lafayette, LA 70506 US
Phone:
(850) 443-7870 (voice)
Phone:
(337) 482-0698 (facsimile)
Email Address:
hxw7894@louisiana.edu
Web Address:
http://ecologicalrisk.com/Wang_CV.pdf
Role:associated researcher

Temporal, Geographic and Taxonomic Coverage

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

Time Period
Begin:
1998-06-29
End:
1998-07-15
Sampling Site: 
Description:Puerto Rico 186, Rio Grande, 00745, Puerto Rico
Site Coordinates:
Longitude (degree): -65.8336Latitude (degree): 18.3002
Altitude (meter):443

Temporal, Geographic and/or Taxonomic information that applies to Data Table: LEF_SOIL_CNP


Time Period
Begin:
1998-06-29
End:
1999-06-15

Project

Other Metadata

Additional Metadata

additionalMetadata
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