English
Related papers

Related papers: A Hardened CO$_2$ Sensor for In-Ground Continuous …

200 papers

Carbon dioxide is a vital gas for life on Earth, a waste product of human activities, and widely used in agriculture and industry. Its accurate sensing is therefore of great interest. Optical sensors exploiting the mid-infrared light…

Not only does cold climate pose a problem for outdoor plants during winter in the northern hemisphere, but for indoor plants as well: low sunlight, low humidity, and simultaneous cold breezes from windows and heat from radiators all cause…

Other Computer Science · Computer Science 2021-06-10 Md Saroar Jahan , Jhuma kabir Mim , Sampo Niittyviita , Santeri Moberg , Murad Ahmad , Nijar Hossain

We demonstrate proof-of-concept graphene sensors for environmental monitoring of ultra-low concentration NO2 in complex environments. Robust detection in a wide range of NO2 concentrations, 10-154 ppb, was achieved, highlighting the great…

Instrumentation and Detectors · Physics 2018-08-30 Christos Melios , Vishal Panchal , Kieran Edmonds , Arseniy Lartsev , Rositsa Yakimova , Olga Kazakova

Air pollution is a serious issue in the world. Around 98% of cities with a population of over 100,000 people in low and middle-income countries do not meet air quality standards, while in high-income countries, the number has decreased by…

Signal Processing · Electrical Eng. & Systems 2019-11-27 Purwantoro , Arip Solehudin , Nono Heryana

The global climate change calls for a more environmental friendly use of energy and has led to stricter limits and regulations for the emissions of various greenhouse gases. Consequently, there is nowadays an increasing need for the…

Indoor air quality in schools and classrooms is paramount for the health and well-being of pupils and staff. CO2 monitors offer a cost-effective way to assess and manage ventilation provision. However, often only a single point measurement…

Fluid Dynamics · Physics 2024-01-31 Carolanne V. M. Vouriot , Maarten van Reeuwijk , Henry C. Burridge

Carbon capture and storage (CCS) has emerged as the most effective method to curb the CO2 concentration in the atmosphere. It can store up to 5 billion tons of CO2 per year. To guarantee a safe and economical geological storage, the well…

Geophysics · Physics 2023-01-11 Vu Nguyen , Olatunji Olayiwola , Boyun Guo , Ning Liu

Following the Paris Agreement of $2015$, most countries have agreed to reduce their carbon dioxide (CO$_2$) emissions according to individually set Nationally Determined Contributions. However, national CO$_2$ emissions are reported by…

Applications · Statistics 2021-02-26 Mikkel Bennedsen

The long-term temperature response to a given change in CO2 forcing, or Earth-system sensitivity (ESS), is a key parameter quantifying our understanding about the relationship between changes in Earth's radiative forcing and the resulting…

Geophysics · Physics 2021-03-02 Tony E. Wong , Ying Cui , Dana L. Royer , Klaus Keller

We propose a non-steady state model of the global temperature change. The model describes Earth's surface temperature dynamics under main climate forcing. The equations were derived from basic physical relationships and detailed assessment…

To limit global warming to pre-industrial levels, global governments, industry and academia are taking aggressive efforts to reduce carbon emissions. The evaluation of anthropogenic carbon dioxide (CO$_2$) emissions, however, depends on the…

Atmospheric and Oceanic Physics · Physics 2022-10-25 Zhengwen Zhang , Jinjin Gu , Junhua Zhao , Jianwei Huang , Haifeng Wu

We investigate the effect of pressure, temperature and acidity on the composition of water-rich carbon-bearing fluids at thermodynamic conditions that correspond to the Earth's deep Crust and Upper Mantle. Our first-principles molecular…

Chemical Physics · Physics 2020-06-24 Riccardo Dettori , Davide Donadio

Geological storage of CO$_2$ in deep saline aquifers is a promising measure to mitigate global warming by reducing the concentration of this greenhouse gas in the atmosphere. When CO$_2$ is injected in the geological formation, it dissolves…

Fluid Dynamics · Physics 2021-10-11 Christophe Brouzet , Yves Méheust , Patrice Meunier

The steadily increasing amount of atmospheric carbon dioxide (CO$_2$) is affecting the global climate system and threatening the long-term sustainability of Earth's ecosystem. In order to better understand the sources and sinks of CO$_2$,…

Applications · Statistics 2022-04-12 Pratik Patil , Mikael Kuusela , Jonathan Hobbs

LiDAR sensors used in autonomous driving applications are negatively affected by adverse weather conditions. One common, but understudied effect, is the condensation of vehicle gas exhaust in cold weather. This everyday phenomenon can…

Computer Vision and Pattern Recognition · Computer Science 2022-11-04 Aldi Piroli , Vinzenz Dallabetta , Marc Walessa , Daniel Meissner , Johannes Kopp , Klaus Dietmayer

Carbon sequestration is the process of capture and long-term storage of atmospheric carbon dioxide (CO2) with the aim to avoid dangerous climate change. In this paper, we propose a simple mathematical model (a coupled system of nonlinear…

Analysis of PDEs · Mathematics 2013-07-10 David Bourne , Tasnim Fatima , Patrick van Meurs , Adrian Muntean

Nitrogen dioxide (NO$_2$) on Earth today has biogenic and anthropogenic sources. During the COVID-19 pandemic, observations of global NO$_2$ emissions have shown significant decrease in urban areas. Drawing upon this example of NO$_2$ as an…

Earth and Planetary Astrophysics · Physics 2021-03-03 Ravi Kopparapu , Giada Arney , Jacob Haqq-Misra , Jacob Lustig-Yaeger , Geronimo Villanueva

Carbon Dioxide (CO2) is one of the most important greenhouse gases after water vapor (H2O) which plays significant role in the climate process. Accurate space-based measurement of CO2 is of great significance in inferring the location of…

Atmospheric and Oceanic Physics · Physics 2016-12-13 Naif Alsalem , Rehan Siddiqui , Catherine Tsouvaltsidis , Brendan Quine

The Antarctic winter atmosphere minimal temperature and pressure series reveal that $CO_2$ phase shift (deposition) is possible in some extreme cases, even leading to possible $CO_2$ snow phenomenon at Vostok Antarctic station and in other…

Atmospheric and Oceanic Physics · Physics 2014-12-19 V. M. Vashchenko , Ye. A. Loza

The study aimed to evaluate the applicability of environmental indices in the monitoring of smouldering coal-waste dumps. A dump located in the Upper Silesian Coal Basin served as the research site for a multi-method analysis combining…

Geophysics · Physics 2026-01-27 Anna Abramowicz , Michal Laska , Adam Nadudvari , Oimahmad Rahmonov
‹ Prev 1 2 3 10 Next ›