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Environmental changes and national security space programs
2012
2012 IEEE Aerospace Conference
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Concerns regarding the strategic impacts of environmental change will soon begin to affect space system requirements and budget priorities. ...
Our approach is to cross-reference climate change threats with vulnerable geographic regions, then match existing space-based assets with potentially useful capabilities in suitable orbits (e.g., polar ...
Patrick Smith, Systems Engineering Division, for his ongoing mentoring and significant contributions to this research project, and Thomas Lang, Director of the Astrodynamics Department, for his analyses ...
doi:10.1109/aero.2012.6187027
fatcat:53c5svrlv5gdpoofzg2fuy3fdy
Methane Mapping with Future Satellite Imaging Spectrometers
2019
Remote Sensing
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This study evaluates a new generation of satellite imaging spectrometers to measure point source methane emissions from anthropogenic sources. ...
We applied a linear matched filter with a sparsity prior and an albedo correction to detect and quantify the methane emission in the original AVIRIS-NG images and in both satellite simulations. ...
Satellite monitoring of these sites can help understand emissions from this under sampled sector, assess gas capture systems, and generally provide a better understanding of landfill emissions. ...
doi:10.3390/rs11243054
fatcat:3pxd6mpcofetvgtbd6l56m2goi
Satellite-based survey of extreme methane emissions in the Permian basin
2021
Science Advances
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The Permian basin is thought to be responsible for almost half of the methane emissions from all U.S. oil- and gas-producing regions, but little is known about individual contributors, a prerequisite for ...
We use a new class of satellite measurements acquired during several days in 2019 and 2020 to perform the first regional-scale and high-resolution survey of methane sources in the Permian. ...
The Sentinel-5P/TROPOMI mission, launched in 2017, is a crucial step toward the monitoring of methane emissions from space (18) (19) (20) (21) , but its 7-km pixel size does not generally allow sampling ...
doi:10.1126/sciadv.abf4507
fatcat:arm3pivzpvhxtbltx22xhttjwq
Satellite observations reveal extreme methane leakage from a natural gas well blowout
2019
Proceedings of the National Academy of Sciences of the United States of America
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Here we report the detection of large methane emissions from a gas well blowout in Ohio during February to March 2018 in the total column methane measurements from the spaceborne Tropospheric Monitoring ...
Methane emissions due to accidents in the oil and natural gas sector are very challenging to monitor, and hence are seldom considered in emission inventories and reporting. ...
The methane data processing was carried out on the Dutch national e-infrastructure with the support of SURF Cooperative. ...
doi:10.1073/pnas.1908712116
pmid:31843920
fatcat:aeetz2njdbdh7ftjybr2ejw72m
Global mapping of greenhouse gases and air pollutants
2007
EurophysicsNews
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They are attributed to a larger emission from tropical wetlands and termites and a decrease in the soil sink. Global methane emission inventory of 550 ± 50 Tg/yr changes little. ...
From their vantage point in space satellite measurements have the benefit of global coverage, but measurement accuracy in the lowest layers of the atmosphere is a challenge. ...
doi:10.1051/epn:2007024
fatcat:qa7dbdlwx5cvrmfobc4doaftpm
Assessing the capability of different satellite observing configurations to resolve the distribution of methane emissions at kilometer scales
2018
Atmospheric Chemistry and Physics
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Here we present an observation system simulation experiment (OSSE) to assess the capabilities of different satellite observing system configurations. ...
Satellite observations of atmospheric methane columns are an attractive approach for monitoring these emissions but have limitations from instrument precision, pixel resolution, and measurement frequency ...
Here we present an observation system simulation experiment (OSSE) to assess the capabilities of different satellite observing system configurations. ...
doi:10.5194/acp-18-8265-2018
fatcat:6zcxubsymrcofezv6aeyiilf5y
An examination of enhanced atmospheric methane detection methods for predicting performance of a novel multiband uncooled radiometer imager
2020
Atmospheric Measurement Techniques
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This method was capable of detecting methane with similar levels of success as the third method, a proven multichannel method, matched filter. ...
To evaluate the potential for a new uncooled infrared radiometer imager to detect enhanced atmospheric levels of methane, three different analysis methods were examined. ...
The research described here was carried out at the Rochester Institute of Technology and was supported in part by the Earth Science Technology Office of the National Aeronautics and Space Administration ...
doi:10.5194/amt-13-5359-2020
fatcat:ovgb2fg3yvejdfrqzhdiixb7qe
Spatially resolving methane emissions in California: constraints from the CalNex aircraft campaign and from present (GOSAT, TES) and future (TROPOMI, geostationary) satellite observations
2014
Atmospheric Chemistry and Physics
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Current satellite observations from GOSAT can constrain methane emissions in the Los Angeles Basin but are too sparse to constrain emissions quantitatively elsewhere in California (they can still be qualitatively ...
</strong> We apply a continental-scale inverse modeling system for North America based on the GEOS-Chem model to optimize California methane emissions at 1/2° × 2/3° horizontal resolution using atmospheric ...
This work was supported by the NASA Carbon Monitoring System (CMS), the NASA Atmospheric Composition Modeling and Analysis Program (ACMAP), and by a NASA Earth System Science Fellowship to K. J. ...
doi:10.5194/acp-14-8173-2014
fatcat:6qj3jv2jnje23jcynziiafeokq
Wetland monitoring with Global Navigation Satellite System reflectometry
2017
Earth and Space Science
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A review of current satellite methods to delineate and monitor wetland change shows some recent advances, but much improved sensing technologies are still needed for wetland mapping, not only to provide ...
Advantages as well as constraints of GNSS-R are presented, and the synergy with various satellite observations are considered to achieve a breakthrough capability for multidecadal wetland dynamics monitoring ...
We appreciate the agreement from Steven Rimer, the Manager of the Big Lake National Wildlife Refuge, for the use of his wetland photograph in this paper. ...
doi:10.1002/2016ea000194
pmid:28331894
pmcid:PMC5340282
fatcat:zmieeg6dxbci3pzgqfisc6yy7a
Spatially resolving methane emissions in California: constraints from the CalNex aircraft campaign and from present (GOSAT, TES) and future (TROPOMI, geostationary) satellite observations
2014
Atmospheric Chemistry and Physics Discussions
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Current satellite observations from GOSAT can constrain methane emissions in the Los Angeles Basin but are too sparse to constrain emissions quantitatively elsewhere in California (they can still be qualitatively ...
from the CalNex aircraft campaign (May-June 2010) and from satellites. ...
This work was supported by the NASA Carbon Monitoring System (CMS), the NASA Atmospheric Composition Modeling and Analysis Program (ACMAP), and by a NASA Earth System Science Fellowship to K. J. ...
doi:10.5194/acpd-14-4119-2014
fatcat:3uwhjf5sj5hynb22jwbawerc3a
Assessing the capability of different satellite observing configurations to resolve the distribution of methane emissions at kilometer scales
2018
Atmospheric Chemistry and Physics Discussions
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Here we present an observation system simulation experiment (OSSE) to assess the capabilities of different satellite observing system configurations. ...
Satellite observations of atmospheric methane columns are an attractive approach for monitoring these emissions but have limitations from instrument precision, pixel resolution, and measurement frequency ...
SCIAMACHY and GOSAT demonstrated the capability for high-precision (<1%) 41 measurements of methane from space (Buchwitz et al., 2015) , but SCIAMACHY had coarse pix-42 els (30×60 km 2 in nadir) and GOSAT ...
doi:10.5194/acp-2018-164
fatcat:skff7kakcneoxonqqppayf7ena
Systematic detection of local CH4 anomalies by combining satellite measurements with high-resolution forecasts
2021
Atmospheric Chemistry and Physics
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The method uses high-resolution (7 km × 7 km) retrievals of total column CH4 from the TROPOspheric Monitoring Instrument (TROPOMI) on board the Sentinel 5 Precursor satellite. ...
The classification method also shows some limitations to detect emission anomalies only due to local satellite retrieval biases linked to albedo and scattering issues. ...
This work was produced by the Copernicus Atmosphere Monitoring Service (CAMS), which is implemented by the European Centre for Medium-Range Weather Forecasts (ECMWF) on behalf of the European Commission ...
doi:10.5194/acp-21-5117-2021
fatcat:ym62i3tc6ff2nejwzvrlyit4ha
Robust IR Remote sensing technique of the total column of trace gases including carbon dioxide and methane
2011
2011 IEEE International Geoscience and Remote Sensing Symposium
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The importance of CO 2 and methane study is reflected in the successful operation of the Japanese Greenhouse gases Observing Satellite (GOSAT) monitoring those trace gases globally from orbit. 3 Instrumentation ...
of measuring the methane column abundance from a satellite. ...
doi:10.1109/igarss.2011.6049301
dblp:conf/igarss/GeorgievaH11
fatcat:ig7avwy5frgcvgahahfaeupcny
Observing carbon cycle–climate feedbacks from space
2018
Proceedings of the National Academy of Sciences of the United States of America
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This increase is important in itself, and the increases of CO 2 and CH 4 shift the Earth's climate on time and space scales that are important to humans. ...
Quantifying the forcing (emissions) is, obviously, essential to the development of any effective policy frameworks and early evidence from a new satellite mission suggests that a mature ...
., and A.E. dedicate this paper to P.J.S., and acknowledge his inspiring leadership and the creative energy he brought to carbon science during his recent tenure at Goddard Space Flight Center. ...
doi:10.1073/pnas.1716613115
pmid:29987011
fatcat:ksmvhilngvbt3dtm4ow3rupcjq
Preface ``Earth observation for land--atmosphere interaction science''
2013
Biogeosciences
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We therefore thank all of them for their contributions to the open review process ...
Without the generous support of expert colleagues providing excellent reviews to the submitted manuscripts, it would have been impossible to accomplish this issue. ...
In the next few years the capabilities of monitoring land surface and atmosphere will be further improved by the increasing number of advanced EO missions to be launched by space agencies. ...
doi:10.5194/bg-10-261-2013
fatcat:2f6ialkd2zbkrn33vt7jb4g7bq
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