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This data has achieved Bronze level on 25 October 2015 which means this data makes a great start at the basics of publishing open data.

Ultrasensitive Analyzer for Realtime, In-Situ Airborne and Terrestrial Measurements of OCS, CO2, and CO Project

Summary

Type of release
a one-off release of a single dataset

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Release Date
9 April 2015
Modified Date
8 July 2015
Publishers
National Aeronautics and Space Administration
Keywords
active, ames-research-center, project
Identifier
ultrasensitive-analyzer-for-realtime-in-situ-airborne-and-terrestrial-measurements-of-ocs-
Landing Page
http://techport.nasa.gov/view/12885
Maintainers
Gary Jahns gary.c.jahns@nasa.gov
Language
en-US

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Description

In this SBIR effort, Los Gatos Research (LGR) will employ its patented mid-infrared Off-Axis ICOS technique to develop a compact carbonyl sulfide (OCS), carbon dioxide (CO2), carbon monoxide (CO), and water vapor (H2O) analyzer. This sensor will provide rapid (10 Hz), real-time, accurate measurements of these important trace gases with minimal calibration. The SBIR instrument will be capable of both terrestrial and airborne deployment to provide data in the troposphere, tropopause, and stratosphere. The resulting system will allow NASA researchers to acquire data that complements satellite observations made from missions in the Earth Observing System. The data will help elucidate stratospheric aerosol loading and terrestrial CO2 fluxes to improve climate models. In Phase I, LGR demonstrated technical feasibility by fabricating an Off-Axis ICOS system for OCS, CO2, CO, and H2O quantification in ambient air. The prototype was highly precise (OCS, CO2, CO, and H2O to better than ±4 ppt, ±0.2 ppm, ±0.31 ppb, and ±3.7 ppm respectively), linear (R2 > 0.9997) over a wide dynamic range, and fast (2-Hz response), with no appreciable cross-interference between the measured species. Subsequently, LGR deployed the Phase I prototype locally and at a DOE Ameriflux site (Sherman Island, California). In Phase II, LGR will develop and deliver two autonomous OCS, CO2, CO, and H2O analyzers for terrestrial flux and airborne monitoring respectively. The first analyzer, which will measure these gases at up to 10 Hz in a variety of terrestrial ecosystems, will be tested with Professor Chris Still for long-term monitoring and Professor Dennis Baldocci for eddy-flux measurements. The second instrument will be packaged for deployment aboard a select NASA aircraft, and include provisions for ambient temperature, humidity, and pressure fluctuatons. The flight sensor will be tested using a modified Mooney TLS with Dr. Stephen Conley and then deployed aboard a NASA aircraft.

General Information

Legal Information

This dataset has been created by US Government which means it is required to be in the public domain. However US copyright law only allows open access by US citizens, we have assumed the data is equivalently licensed as CC0 for the rest of the world as this is in the spirit of the US Government’s Open Data policy.

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Technical Information

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