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The Stratosphere platform for big data analytics
2014
The VLDB journal
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We present Stratosphere, an open-source software stack for parallel data analysis. ...
Stratosphere brings together a unique set of features that allow the expressive, easy, and efficient programming of analytical applications at very large scale. ...
Acknowledgments We would like to thank the Master students that worked on the Stratosphere project and implemented many components of the system: Thomas Bodner, Christoph Brücke, Erik Nijkamp, Max Heimel ...
doi:10.1007/s00778-014-0357-y
fatcat:ficnpssbvjdatjs3gewa4jdd7m
Ozone Monitoring Instrument (OMI) Aura nitrogen dioxide standard product version 4.0 with improved surface and cloud treatments
2021
Atmospheric Measurement Techniques
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) used in the retrieval algorithm. ...
The new AMFs increase the retrieved tropospheric NO2 by up to 50 % in highly polluted areas; these differences arise from both cloud and surface BRDF effects as well as biases between the new MODIS-based ...
KNMI and the Netherlands Space Agency (NSO) manage the OMI project. We acknowledge the NASA Pandora, ESA Pandonia, and NASA DISCOVER-AQ projects for free access to the data. ...
doi:10.5194/amt-14-455-2021
fatcat:s5vf5652krhy3g5eijykswtvyi
Tracking volcanic sulfur dioxide clouds for aviation hazard mitigation
2008
Natural Hazards
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OMI's high sensitivity to SO 2 permits long-range tracking of volcanic clouds in the upper troposphere and lower stratosphere (UTLS) and accurate mapping of their perimeters to facilitate avoidance. ...
Synergy between NASA A-Train sensors such as OMI and the Atmospheric Infrared Sounder (AIRS) on the Aqua satellite can provide critical information on volcanic cloud altitude. ...
The OMI project is managed by Royal Dutch Meteorological Institute (KNMI) and the Netherlands Agency for Aerospace Programs (NIVR). ...
doi:10.1007/s11069-008-9228-4
fatcat:7q7r545rcbaizod54urbb3vzb4
Multi-decadal satellite measurements of global volcanic degassing
2016
Journal of Volcanology and Geothermal Research
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An analysis of passive volcanic emissions of SO 2 detected in Ozone Monitoring Instrument (OMI) SO 2 data since 2004 provides new insight into the location and stability of the dominant sources of volcanic ...
We discuss new constraints on e-folding times for SO 2 removal in volcanic plumes, and highlight recent measurements of volcanic hydrogen chloride (HCl) injections into the UTLS. ...
Data Records for Use in Research Environments) data product (Carn, 2015c) . ...
doi:10.1016/j.jvolgeores.2016.01.002
fatcat:2wk5exe7nnfw5arhb46e2tfjfy
The Role of Inertial Instability in Cross-Hemispheric Coupling
2021
Journal of the Atmospheric Sciences
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The summer temperature anomaly is manifested in the decline of polar mesospheric clouds. ...
During this period, stratospheric winter temperatures warmed by about 10 K, while a steep decline in polar mesospheric clouds was reported between 26 July and 6 August. ...
MERRA-2 data are available at MDISC, managed by the NASA GES DISC at https://gmao.gsfc.nasa. gov/reanalysis/MERRA-2/. ...
doi:10.1175/jas-d-20-0119.1
fatcat:yc4uthhfmzeybo22t36jymigzi
The lakes of Titan
2007
Nature
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Acknowledgements We gratefully acknowledge the long years of work by the entire Cassini team that allowed these data of Titan to be obtained. ...
The Cassini Project is a joint endeavour of NASA, ESA and ASI, managed by the Jet Propulsion Laboratory, California Institute of Technology under a contract with NASA. ...
This in turn may be controlled by the availability of cloud condensation nuclei in the stratosphere enhanced by the sedimentation of heavier organics such as C 4 N 2 (ref. 12) in the seasonal polar hood ...
doi:10.1038/nature05438
pmid:17203056
fatcat:fap7ghsfwzblvh3uwjo5oucase
Global Climate
2020
Bulletin of The American Meteorological Society - (BAMS)
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0.12 ± 0.04°C decade −1 unexplained by these ephemeral, natural phenomena (Christy and McNider 2017, updated the year in which the extreme high (and low) annual values at each grid point occurred, ...
size among the datasets (more lakes with in situ data tend to be small) and, unlike the in situ observations, which are restricted to a single point within a lake, the satellite data capture the intra-lake ...
We also thank the following authors for providing data included at multiple points in this chapter: Gil Compo and Cathy Smith, 20CRv3; Mike Bosilovich, MERRA2; Julien Nicholas, ERA5; and Atsushi Goto, ...
doi:10.1175/bams-d-20-0104.1
fatcat:3pjande5xzampgyykbhbh7scki
Environmental effects of ozone depletion: 1998 assessment
1998
Journal of Photochemistry and Photobiology. B: Biology
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Zika for making as yet unpublished material available. The U.K. Department of the Environment kindly supported the participation of T.V.C. ...
Long-term trends in cloud type and amount are largely unknown due to the relatively short data record of comprehensive cloud observations, and the high variability of clouds on inter-annual and longer ...
data from Africa and one excluding these data. ...
doi:10.1016/s1011-1344(98)00195-x
fatcat:4ljch4bwozf5pddoph6u2b4w5u
Impact of Volcanic Sulfur Emissions on the Pine Forest of La Palma, Spain
2022
Forests
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In autumn 2021, the largest volcanic eruption on the island of La Palma in historic records took place. ...
We used Sentinel-2 remote sensing data to analyze the spatial extent and intensity of the impact related to sulfuric emissions, aiming to understand the damage patterns in Canary pine forest. ...
Acknowledgments: We acknowledge the support of the BayWISS graduate school. This publication was funded by the University of Bayreuth Open Access Publishing Fund. ...
doi:10.3390/f13020299
fatcat:244zqunahbcunevppudzgyybta
Preliminary Dual-Satellite Observations of Atmospheric Gravity Waves in Airglow
2019
Atmosphere
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The Ionosphere, Mesosphere, upper Atmosphere and Plasmasphere (IMAP)/ Visible and near-Infrared Spectral Imager (VISI) O2 band, an independent measure of the AGW structures in nightglow based on the International ...
The comparisons point toward suggested improvements for future spaceborne airglow sensor designs targeting AGWs. ...
Acknowledgments: JY acknowledges the JSPS short-term Fellowship and the host of National Institute of Polar Research. JY also thanks the discussions with Joan Alexander. ...
doi:10.3390/atmos10110650
fatcat:2d4lda33xvht3ct6cfgibsaihm
A review of natural aerosol interactions and feedbacks within the Earth system
2010
Atmospheric Chemistry and Physics
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We review the impact of these natural systems on atmospheric aerosol based on observations and models, including the potential for long term changes in emissions and the feedbacks on climate. ...
Taking into account only the direct radiative effect of changes in the atmospheric burden of natural aerosols, and neglecting potentially large effects on other parts of the Earth system, a global mean ...
This work was supported by the EUCAARI project from Framework Programme 7 of the European Commission and the NERC QUEST programme. ...
doi:10.5194/acp-10-1701-2010
fatcat:lcpshy4zvne2pi3zvv62qx5dc4
Complexity in conservation: lessons from the global decline of amphibian populations
2002
Ecology Letters
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Moreover, different species and different populations of the same species may react in different ways to the same environmental insult. ...
As part of an overall "biodiversity crisis" many amphibian populations are in decline throughout the world. Numerous causes have been invoked to explain these declines. ...
the NIH/NSF Ecology of Infectious Diseases Initiative (1R01ES11067-01) to JMK. ...
doi:10.1046/j.1461-0248.2002.00352.x
fatcat:qx2x3kprdzg2tkqdp4s2eibysy
FCJ-219 The Sensed Smog: Smart Ubiquitous Cities and the Sensorial Body
2017
Fibreculture Journal
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These two threads, sensors and the sensed city, lead to a conceptual argument that suggests to look at the technologies of smart city as an entanglement of the materiality and data. ...
Smart cities carry forward their earlier technological legacy in infrastructure and often also in terms of the residual air pollution, like photochemical smog. ...
Management of the environment means also management of the data about the environment. Any environment includes also the data about itself, the wider media ecology. ...
doi:10.15307/fcj.29.219.2017
fatcat:gt7c3nwvozhdrih2buvilvzhfu
Fluvial channels on Titan: Initial Cassini RADAR observations
2008
Planetary and Space Science
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Cassini radar images show a variety of fluvial channels on Titan's surface, often several hundreds of kilometers in length. ...
The areas in which channels are prominent so far amount to about 1% of Titan's surface, of which only a fraction is actually occupied by channels. ...
Space Agency (ESA), and the Italian Space Agency (ASI) and is managed by the Jet Propulsion Laboratory, California Institute of Technology, under a contract with NASA. ...
doi:10.1016/j.pss.2008.02.009
fatcat:tmkjhdpcgbcvtm4lmvsgkyenji
AVIATR—Aerial Vehicle for In-situ and Airborne Titan Reconnaissance
2011
Experimental astronomy (Print)
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We would optimize our science by using the flexibility of the airplane platform, generating context data and stereo pairs by flying and banking the AV instead ...
Using an Earth-Jupiter gravity assist trajectory delivers the spacecraft to Titan in 7.5 years, after which the AVIATR AV would operate for a 1-Earthyear nominal mission. ...
Open Access This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided ...
doi:10.1007/s10686-011-9275-9
fatcat:nz2y3vos3bdexoyxxbktzdveee
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