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In-situ tower atmospheric methane mole fraction and isotopic ratio of methane data, Marcellus Shale Gas Region, Pennsylvania, USA
Identification_Information:
Citation:
Citation_Information:
Originator:The Pennsylvania State University
Publication_Date:2017
Title:
In-situ tower atmospheric methane mole fraction and isotopic ratio of methane data, Marcellus Shale Gas Region, Pennsylvania, USA
Online_Linkage: http://www.datacommons.psu.edu/
Online_Linkage: http://sites.psu.edu/marcellus/
Description:
Abstract: 
Quantification of regional emissions resulting from natural gas extraction activities is critical in terms of determining the climate effects of natural gas usage compared to coal.  The leakage rate is not well known, and has large implications for the greenhouseimpact of this energy source. Towards that end data were collected at four towers in the Marcellus Shale gas region, with a tower
south of the primary natural gas extraction region serving as a background site.  Cavity ring down spectrometer (CRDS, Picarro, Inc,
 G2132-i) measurements of  CH4 and CO2 mole fractions, and the isotopic ratio of CH4, were collected at these tower sites at heights
 of between 46 and 61 m above ground level. The time period of the dataset is May 2017 - February 2017.  The sample air stream was d
ried using a Nafion dryer.  The laboratory and field calibration technique was described in Miles et al., (Atmos. Meas. Tech., 11, 1
273-1295, doi.org/10.5194/amt-11-1273-2018, 2018).  Flask to in-situ comparisons indicated mean differences of 2+-2 ppb CH4, 0.2+-0.
4 ppm CO2, and 0.0+-0.4 permil at the South tower.  Ten-minute averages were reported here, with the minimum and maximum time includ
ed in the average indicated.
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date:2017
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate:-80.519340
East_Bounding_Coordinate:-74.693210
North_Bounding_Coordinate:42.267500
South_Bounding_Coordinate:39.719880
Keywords:
Theme:
Theme_Keyword_Thesaurus:ISO 19115 Topic Categories
Theme_Keyword:environment
Theme_Keyword:methane
Theme_Keyword:isotopic ratio of methane
Theme_Keyword:Marcellus Shale
Theme_Keyword:natural gas
Theme_Keyword:emissions
Access_Constraints:None
Use_Constraints: 
We reserve the right to make corrections to the data based on scientific grounds, e.g., recalibration of standard gases or discovery of operational issues not known at the time of the release.  If the data are obtained for potential use in a publication or presentation, kindly inform Penn State personnel (co2data@meteo.psu.edu) of the nature of this work. 


The University excludes any and all implied warranties, including warranties or merchantability and fitness for a particular purpose. The University makes no warranty or representation, either express or implied, with respect to the FILES or accompanying documentation, including its quality, performance, merchantability, or fitness for a particular purpose. The FILES and documentation are provided "as is" and the USER assumes the entire risk as to its quality and performance. The University will not be liable for any direct, indirect, special, incidental, or consequential damages arising out of the use or inability to use the FILES or any accompanying documentation. The USER is granted permission to translate and add value to the FILES for the use of the FILES on its computer hardware; provided, however, that the USER annually notify the University of any customizing or value-adding work done.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:Penn State Department of Meteorology and Atmospheric Science
Contact_Person:Natasha Miles
Contact_Address:
Address_Type:mailing address
Address: 
Walker Building
City:University Park
State_or_Province:Pennsylvania
Postal_Code:16802
Country:United States
Contact_Voice_Telephone:(814) 880-8087
Contact_Electronic_Mail_Address:nmiles@psu.edu
Contact Instructions: 
Douglas Martins (current affiliation:  FLIR Systems, Inc.)
Scott Richardson (Department of Meteorology and Atmospheric Science, The 
Pennsylvania State University)
Thomas Lauvaux (Department of Meteorology and Atmospheric Science, The 
Pennsylvania State University)
Kenneth Davis (Department of Meteorology and Atmospheric Science, The 
Pennsylvania State University)
Bernd Haupt (Earth and Environmental Systems Institute, The Pennsylvania 
State University)
Christopher Rella (Picarro, Inc.)
Data_Set_Credit: 
Natasha Miles (Department of Meteorology and Atmospheric Science, The 
Pennsylvania State University)
Douglas Martins (current affiliation:  FLIR Systems, Inc.)
Scott Richardson (Department of Meteorology and Atmospheric Science, The 
Pennsylvania State University)
Thomas Lauvaux (Department of Meteorology and Atmospheric Science, The 
Pennsylvania State University)
Kenneth Davis (Department of Meteorology and Atmospheric Science, The 
Pennsylvania State University)
Bernd Haupt (Earth and Environmental Systems Institute, The Pennsylvania 
State University)
Christopher Rella (Picarro, Inc.)
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Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:Penn State Data Commons
Contact_Address:
Address_Type:mailing and physical address
Address: 
115 Land and Water Building
City:University Park
State_or_Province:Pennsylvania
Postal_Code:16802
Country:United States
Contact_Voice_Telephone:(814) 865 - 8792
Contact_Electronic_Mail_Address:datacommons@psu.edu
Distribution_Liability: 
The USER shall indemnify, save harmless, and, if requested, defend those parties involved with the development and distribution of this data, their officers, agents, and employees from and against any suits, claims, or actions for injury, death, or property damage arising out of the use of or any defect in the FILES or any accompanying documentation. Those parties involved with the development and distribution excluded any and all implied warranties, including warranties or merchantability and fitness for a particular purpose and makes no warranty or representation, either express or implied, with respect to the FILES or accompanying documentation, including its quality, performance, merchantability, or fitness for a particular purpose. The FILES and documentation are provided "as is" and the USER assumes the entire risk as to its quality and performance. Those parties involved with the development and distribution of this data will not be liable for any direct, indirect, special, incidental, or consequential damages arising out of the use or inability to use the FILES or any accompanying documentation.
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Metadata_Reference_Information:
Metadata_Date:2017
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:Penn State Data Commons
Contact_Position:Metadata Coordinator
Contact_Address:
Address_Type:mailing address
Address: 
115 Land and Water Building
City:University Park
State_or_Province:Pennsylvania
Postal_Code:16802
Country:United States
Contact_Voice_Telephone:814-865-8792
Contact_Electronic_Mail_Address:datacommons@psu.edu
Metadata_Standard_Name:FGDC Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version:FGDC-STD-001-1998
Metadata_Time_Convention:local time
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