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At least a quarter of the warming that the Earth is experiencing today is due to anthropogenic methane emissions. There are multiple satellites in orbit and planned for launch in the next few years which can detect and quantify these…

The increasing frequency of extreme weather events due to global climate change urges accurate weather prediction. Recently, great advances have been made by the \textbf{end-to-end methods}, thanks to deep learning techniques, but they face…

Machine Learning · Computer Science 2025-07-24 Shaohan Li , Hao Yang , Min Chen , Xiaolin Qin

Methane is thought to have been an important greenhouse gas during the Archean, although its potential warming has been found to be limited at high concentrations due to its high shortwave absorption. We use the Met Office Unified Model, a…

This study focuses on membrane-based systems for CO$_2$ separation, addressing the urgent need for efficient carbon capture solutions to mitigate climate change. Linear regression models, based on membrane equations, were utilized to…

Chemical Physics · Physics 2025-10-23 Bishwash Panerua , Biplov Paneru

Fusing satellite observations and station measurements to estimate ground-level PM2.5 is promising for monitoring PM2.5 pollution. A geo-intelligent approach, which incorporates geographical correlation into an intelligent deep learning…

Atmospheric and Oceanic Physics · Physics 2018-01-31 Tongwen Li , Huanfeng Shen , Qiangqiang Yuan , Xuechen Zhang , Liangpei Zhang

Emission metrics, a crucial tool in setting effective equivalences between greenhouse gases, currently require a subjective, arbitrary choice of time horizon. Here, we propose a novel framework that uses a specific temperature goal to…

Atmospheric and Oceanic Physics · Physics 2022-02-23 Sam Abernethy , Robert B. Jackson

From STIS observations of Uranus in 2012, we found that the methane volume mixing ratio declined from about 4% at low latitudes to about 2% at 60 deg N and beyond. This is similar to that found in the south polar regions in 2002, in spite…

Earth and Planetary Astrophysics · Physics 2015-02-24 Lawrence Sromovsky , Erich Karkoschka , Patrick Fry , Heidi Hammel , Imke de Pater , Kathy Rages

This paper refines model predictions for the production of methane from UV-irradiated interplanetary dust particles (IDPs) now that the Rover Environmental Monitoring Station (REMS) instrument onboard the Mars Science Laboratory (MSL) Rover…

Earth and Planetary Astrophysics · Physics 2017-10-04 John E. Moores , Christina L. Smith , Andrew C. Schuerger

We demonstrate a novel MIR methane sensor shifting measurement wavelength to SWIR (1.55$\mu$m) by using non-linear interferometry. The technique exploits the interference effects seen in three-wave mixing when pump, signal, and idler modes…

Quantum Physics · Physics 2024-05-22 Arthur C. Cardoso , Jinghan Dong , Haichen Zhou , Siddarth K. Joshi , John G. Rarity

HST/STIS observations of Uranus in 2015 show that the depletion of upper tropospheric methane has been relatively stable and that the polar region has been brightening over time as a result of increased aerosol scattering. This…

Earth and Planetary Astrophysics · Physics 2018-08-29 Lawrence A. Sromovsky , Erich Karkoschka , Patrick M. Fry , Imke de Pater , Heidi B. Hammel

The twin Sentinel-3 satellites have multi-band radiometers which observe in methane-sensitive shortwave infrared bands with daily global coverage and 500 m ground pixel resolution. We investigate the methane observation capability of…

The Mean Square Displacement is a central tool in the analysis of Single Particle Tracking experiments, shedding light on various biophysical phenomena. Frequently, parameters are extracted by performing time-averages on single particle…

Biological Physics · Physics 2013-05-24 Eldad Kepten Irena Bronshtein , Yuval Garini

Capillary heterogeneity is increasingly recognized as a first-order control on gas plume migration and trapping in aquifers and storage formations. We show that spatial variability in the water-methane contact angle, determined by…

The major driver of global warming has been identified as the anthropogenic release of greenhouse gas (GHG) emissions from industrial activities. The quantitative monitoring of these emissions is mandatory to fully understand their effect…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Michael Mommert , Mario Sigel , Marcel Neuhausler , Linus Scheibenreif , Damian Borth

We present evidence for condensed phase methane precipitation near Xanadu using nine nights of observations from the SINFONI integral-field spectrograph at the Very Large Telescope and imaging analysis with empirical surface subtraction.…

Earth and Planetary Astrophysics · Physics 2015-05-13 M. Ádámkovics , I. de Pater , M. Hartung , J. W. Barnes

The strength of Titan's methane cycle, as measured by precipitation and evaporation, is key to interpreting fluvial erosion and other indicators of the surface-atmosphere exchange of liquids. But the mechanisms behind the occurrence of…

Earth and Planetary Astrophysics · Physics 2015-06-05 Jonathan L. Mitchell

Satellite remote sensing has been reported to be a promising approach for the monitoring of atmospheric PM2.5. However, the satellite-based monitoring of ground-level PM2.5 is still challenging. First, the previously used polar-orbiting…

Atmospheric and Oceanic Physics · Physics 2018-05-30 Tongwen Li , Chengyue Zhang , Huanfeng Shen , Qiangqiang Yuan , Liangpei Zhang

We explore possibilities of improving the spatial structure of NOx emissions employed in a continental scale chemistry transport model (CTM) by using satellite measurements of nitrogen dioxide and ground-based observations of near surface…

Atmospheric and Oceanic Physics · Physics 2007-05-23 I. B. Konovalov , M. Beekmann , A. Richter , J. P. Burrows

Near-field thermal emission can be engineered by using periodic arrays of sub-wavelength emitters. The array thermal emission is dependent on the shape, size, and materials properties of the individual elements as well as the period of the…

Computational Physics · Physics 2019-06-26 Sheila Edalatpour

The methane cycle is a key component of the Earth system that links planetary climate, biological metabolism, and the global biogeochemical cycles of carbon, oxygen, sulfur, and hydrogen. However, currently lacking is a numerical model…

Atmospheric and Oceanic Physics · Physics 2020-07-31 Christopher T. Reinhard , Stephanie L. Olson , Sandra Kirtland Turner , Cecily Palike , Yoshiki Kanzaki , Andy Ridgwell