Search Results - "Oda, Tomohiro"

GHG Monitoring Project for the Global Stocktake 2023: implications of the COP26 Japan Pavilion seminar by Oda, Tomohiro

“…During the 2021 Glasgow Climate Change Conference (COP26), a hybrid seminar event “Greenhouse gas (GHG) Monitoring Project for the Global Stocktake 2023” was…”
Get full text

Space-based quantification of per capita CO2 emissions from cities by Wu, Dien, Lin, John C, Oda, Tomohiro, Kort, Eric A

“…Urban areas are currently responsible for ∼70% of the global energy-related carbon dioxide (CO2) emissions, and rapid ongoing global urbanization is increasing…”
Get full text

Six global biomass burning emission datasets: intercomparison and application in one global aerosol model by Pan, Xiaohua, Ichoku, Charles, Chin, Mian, Bian, Huisheng, Darmenov, Anton, Colarco, Peter, Ellison, Luke, Kucsera, Tom, da Silva, Arlindo, Wang, Jun, Oda, Tomohiro, Cui, Ge

“…Aerosols from biomass burning (BB) emissions are poorly constrained in global and regional models, resulting in a high level of uncertainty in understanding…”
Get full text

Comparing a global high-resolution downscaled fossil fuel CO2 emission dataset to local inventory-based estimates over 14 global cities by Chen, Jingwen, Zhao, Fang, Zeng, Ning, Oda, Tomohiro

“…Background Compilation of emission inventories (EIs) for cities is a whole new challenge to assess the subnational climate mitigation effort under the Paris…”
Get full text

Satellites capture socioeconomic disruptions during the 2022 full-scale war in Ukraine by Ialongo, Iolanda, Bun, Rostyslav, Hakkarainen, Janne, Virta, Henrik, Oda, Tomohiro

“…Since February 2022, the full-scale war in Ukraine has been strongly affecting society and economy in Ukraine and beyond. Satellite observations are crucial…”
Get full text

High‐resolution atmospheric inversion of urban CO2 emissions during the dormant season of the Indianapolis Flux Experiment (INFLUX) by Lauvaux, Thomas, Miles, Natasha L., Deng, Aijun, Richardson, Scott J., Cambaliza, Maria O., Davis, Kenneth J., Gaudet, Brian, Gurney, Kevin R., Huang, Jianhua, O'Keefe, Darragh, Song, Yang, Karion, Anna, Oda, Tomohiro, Patarasuk, Risa, Razlivanov, Igor, Sarmiento, Daniel, Shepson, Paul, Sweeney, Colm, Turnbull, Jocelyn, Wu, Kai

“…Based on a uniquely dense network of surface towers measuring continuously the atmospheric concentrations of greenhouse gases (GHGs), we developed the first…”
Get full text

Global impact of COVID-19 restrictions on the surface concentrations of nitrogen dioxide and ozone by Keller, Christoph A, Evans, Mathew J, Knowland, K. Emma, Hasenkopf, Christa A, Modekurty, Sruti, Lucchesi, Robert A, Oda, Tomohiro, Franca, Bruno B, Mandarino, Felipe C, Díaz Suárez, M. Valeria, Ryan, Robert G, Fakes, Luke H, Pawson, Steven

“…Social distancing to combat the COVID-19 pandemic has led to widespread reductions in air pollutant emissions. Quantifying these changes requires a…”
Get full text

Errors and uncertainties associated with the use of unconventional activity data for estimating CO2 emissions: the case for traffic emissions in Japan by Oda, Tomohiro, Haga, Chihiro, Hosomi, Kotaro, Matsui, Takanori, Bun, Rostyslav

“…CO2 emissions from fossil fuel combustion (FFCO2) are conventionally estimated from fuel used (as activity data (AD)) and CO2 emissions factor. Recent traffic…”
Get full text

Statistical characterization of urban CO2 emission signals observed by commercial airliner measurements by Umezawa, Taku, Matsueda, Hidekazu, Oda, Tomohiro, Higuchi, Kaz, Sawa, Yousuke, Machida, Toshinobu, Niwa, Yosuke, Maksyutov, Shamil

“…Cities are responsible for the largest anthropogenic CO 2 emissions and are key to effective emission reduction strategies. Urban CO 2 emissions estimated from…”
Get full text

A city-level comparison of fossil-fuel and industry processes-induced CO2 emissions over the Beijing-Tianjin-Hebei region from eight emission inventories by Han, Pengfei, Zeng, Ning, Oda, Tomohiro, Zhang, Wen, Lin, Xiaohui, Liu, Di, Cai, Qixiang, Ma, Xiaolin, Meng, Wenjun, Wang, Guocheng, Wang, Rong, Zheng, Bo

“…Background Quantifying CO 2 emissions from cities is of great importance because cities contribute more than 70% of the global total CO 2 emissions. As the…”
Get full text

The 2015–2016 carbon cycle as seen from OCO-2 and the global in situ network by Crowell, Sean, Baker, David, Schuh, Andrew, Basu, Sourish, Jacobson, Andrew R., Chevallier, Frederic, Liu, Junjie, Deng, Feng, Feng, Liang, McKain, Kathryn, Chatterjee, Abhishek, Miller, John B., Stephens, Britton B., Eldering, Annmarie, Crisp, David, Schimel, David, Nassar, Ray, O'Dell, Christopher W., Oda, Tomohiro, Sweeney, Colm, Palmer, Paul I., Jones, Dylan B. A.

“…The Orbiting Carbon Observatory-2 has been on orbit since 2014, and its global coverage holds the potential to reveal new information about the carbon cycle…”
Get full text

Anthropogenic Osmium in Macroalgae from Tokyo Bay Reveals Widespread Contamination from Municipal Solid Waste by Sproson, Adam D, Selby, David, Suzuki, Katsuhiko, Oda, Tomohiro, Kuroda, Junichiro

“…Human activity is influencing the global osmium cycle, driving the Os isotopic composition (187Os/188Os) of the hydrosphere and associated sedimentary material…”
Get full text

Assessing progress toward the Paris climate agreement from space by Weir, Brad, Oda, Tomohiro, Ott, Lesley E, Schmidt, Gavin A

“…Concentration monitoring with satellite observations of the “atmospheric stocks” of greenhouse gases offers ways to assess the impact of human activity,…”
Get full text

Errors and uncertainties in a gridded carbon dioxide emissions inventory by Oda, Tomohiro, Bun, Rostyslav, Kinakh, Vitaliy, Topylko, Petro, Halushchak, Mariia, Marland, Gregg, Lauvaux, Thomas, Jonas, Matthias, Maksyutov, Shamil, Nahorski, Zbigniew, Lesiv, Myroslava, Danylo, Olha, Horabik-Pyzel, Joanna

“…Emission inventories (EIs) are the fundamental tool to monitor compliance with greenhouse gas (GHG) emissions and emission reduction commitments. Inventory…”
Get full text

Decadal decrease in Los Angeles methane emissions is much smaller than bottom-up estimates by Zeng, Zhao-Cheng, Pongetti, Thomas, Newman, Sally, Oda, Tomohiro, Gurney, Kevin, Palmer, Paul I., Yung, Yuk L., Sander, Stanley P.

“…Methane, a powerful greenhouse gas, has a short atmospheric lifetime ( ~ 12 years), so that emissions reductions will have a rapid impact on climate forcing…”
Get full text

Assumptions about prior fossil fuel inventories impact our ability to estimate posterior net CO2 fluxes that are needed for verifying national inventories by Oda, Tomohiro, Feng, Liang, Palmer, Paul I, Baker, David F, Ott, Lesley E

“…Monitoring national and global greenhouse gas (GHG) emissions is a critical component of the Paris Agreement, necessary to verify collective activities to…”
Get full text

Toward a satellite-based monitoring system for urban CO2 emissions in support of global collective climate mitigation actions by Wilmot, Taylor Y, Lin, John C, Wu, Dien, Oda, Tomohiro, Kort, Eric A

“…Over the past decade, 1000s of cities have pledged reductions in carbon dioxide emissions. However, tracking progress toward these pledges has largely relied…”
Get full text

A top-down estimation of subnational CO2 budget using a global high-resolution inverse model with data from regional surface networks by Nayagam, Lorna, Maksyutov, Shamil, Oda, Tomohiro, Janardanan, Rajesh, Trisolino, Pamela, Zeng, Jiye, Kaiser, Johannes W, Matsunaga, Tsuneo

“…Top-down approaches, such as atmospheric inversions, are a promising tool for evaluating emission estimates based on activity-data. In particular, there is a…”
Get full text

Potentially underestimated gas flaring activities—a new approach to detect combustion using machine learning and NASA’s Black Marble product suite by Chakraborty, Srija, Oda, Tomohiro, Kalb, Virginia L, Wang, Zhuosen, Román, Miguel O

“…Monitoring changes in greenhouse gas (GHG) emission is critical for assessing climate mitigation efforts towards the Paris Agreement goal. A crucial aspect of…”
Get full text

Building a bridge: characterizing major anthropogenic point sources in the South African Highveld region using OCO-3 carbon dioxide snapshot area maps and Sentinel-5P/TROPOMI nitrogen dioxide columns by Hakkarainen, Janne, Ialongo, Iolanda, Oda, Tomohiro, Szeląg, Monika E, O’Dell, Christopher W, Eldering, Annmarie, Crisp, David

“…Abstract In this paper, we characterize major anthropogenic point sources in the South African Highveld region using Orbiting Carbon Observatory-3 (OCO-3)…”
Get full text