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Title: Automated soil gas monitoring chamber

Abstract

A chamber for trapping soil gases as they evolve from the soil without disturbance to the soil and to the natural microclimate within the chamber has been invented. The chamber opens between measurements and therefore does not alter the metabolic processes that influence soil gas efflux rates. A multiple chamber system provides for repetitive multi-point sampling, undisturbed metabolic soil processes between sampling, and an essentially airtight sampling chamber operating at ambient pressure.

Inventors:
;
Issue Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1174416
Patent Number(s):
6598458
Application Number:
10/051,424
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

Citation Formats

Edwards, Nelson T., and Riggs, Jeffery S. Automated soil gas monitoring chamber. United States: N. p., 2003. Web.
Edwards, Nelson T., & Riggs, Jeffery S. Automated soil gas monitoring chamber. United States.
Edwards, Nelson T., and Riggs, Jeffery S. Tue . "Automated soil gas monitoring chamber". United States. https://www.osti.gov/servlets/purl/1174416.
@article{osti_1174416,
title = {Automated soil gas monitoring chamber},
author = {Edwards, Nelson T. and Riggs, Jeffery S.},
abstractNote = {A chamber for trapping soil gases as they evolve from the soil without disturbance to the soil and to the natural microclimate within the chamber has been invented. The chamber opens between measurements and therefore does not alter the metabolic processes that influence soil gas efflux rates. A multiple chamber system provides for repetitive multi-point sampling, undisturbed metabolic soil processes between sampling, and an essentially airtight sampling chamber operating at ambient pressure.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2003},
month = {7}
}

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Works referenced in this record:

An improved open chamber system for measuring soil CO 2 effluxes in the field
journal, December 1997