Search Results - improved version of chem-based optimization algorithm~

PM2.5 concentration prediction based on WD-SA-LSTM-BP model: a case study of Nanjing city.

Authors: Hu, Shuo Liu, Pengfei Qiao, Yunxia et al.

Source: Environmental Science & Pollution Research; Oct2022, Vol. 29 Issue 46, p70323-70339, 17p

Subject Terms: AIR quality monitoring stations, SIMULATED annealing, AIR quality, AIR pollutants

Geographic Terms: NANJING (Jiangsu Sheng, China)

State-wide California 2020 carbon dioxide budget estimated with OCO-2 and OCO-3 satellite data.

Authors: Johnson, Matthew S. Hamilton, Sofia D. Jeong, Seongeun et al.

Source: Atmospheric Chemistry & Physics; 2025, Vol. 25 Issue 15, p8475-8492, 18p

Subject Terms: CARBON dioxide, REMOTE-sensing images, ARTIFICIAL satellites, CARBON dioxide detectors, AUTOMOBILE emissions, MACHINE learning

Geographic Terms: CALIFORNIA

Company/Entity: UNITED States. National Aeronautics & Space Administration

Air pollutant prediction model based on transfer learning two-stage attention mechanism.

Authors: Ma, Zhanfei Wang, Bisheng Luo, Wenli et al.

Source: Scientific Reports; 3/28/2024, Vol. 14 Issue 1, p1-18, 18p

Subject Terms: AIR pollutants, STANDARD deviations, PREDICTION models, AIR pollution, DATA distribution

Multi‐Season Evaluation of CO2 Weather in OCO‐2 MIP Models.

Authors: Zhang, Li Davis, Kenneth J. Schuh, Andrew E. et al.

Source: Journal of Geophysical Research. Atmospheres; 1/27/2022, Vol. 127 Issue 2, p1-23, 23p

Subject Terms: ATMOSPHERIC carbon dioxide, CARBON dioxide, WEATHER, ATMOSPHERIC chemistry, CARBON offsetting

Advances in Atmospheric Radiation: Theories, Models, and Their Applications. Part I: Atmospheric Gas Absorption and Particle Scattering.

Authors: Zhang, Hua Liu, Liting Bi, Lei et al.

Source: Journal of Meteorological Research; Apr2024, Vol. 38 Issue 2, p151-182, 32p

A Case Analysis of Dust Weather and Prediction of PM 10 Concentration Based on Machine Learning at the Tibetan Plateau.

Authors: Tan, Changrong Chen, Qi Qi, Donglin et al.

Source: Atmosphere; Jun2022, Vol. 13 Issue 6, p897, 17p

Subject Terms: WEATHER forecasting, MACHINE learning, DUST, CYCLONES, AIR masses, RANDOM forest algorithms

Geographic Terms: TIBETAN Plateau, INNER Mongolia (China)

Retrieval of desert dust and carbonaceous aerosol emissions over Africa from POLDER/PARASOL products generated by the GRASP algorithm.

Authors: Chen, Cheng Dubovik, Oleg Henze, Daven K. et al.

Source: Atmospheric Chemistry & Physics; 2018, Vol. 18 Issue 16, p12551-12580, 30p

Subject Terms: ATMOSPHERIC aerosols, DUST, SOOT, EMISSIONS (Air pollution), ATMOSPHERE, CARBON

Improving the prediction of an atmospheric chemistry transport model using gradient-boosted regression trees.

Authors: Ivatt, Peter D. Evans, Mathew J.

Source: Atmospheric Chemistry & Physics; 2020, Vol. 20 Issue 13, p8063-8082, 20p, 4 Charts, 10 Graphs, 5 Maps

Subject Terms: REGRESSION trees, ATMOSPHERIC transport, ATMOSPHERIC chemistry, CHEMICAL models, FORECASTING, TROPOSPHERIC ozone, OZONESONDES

The carbon sink in China as seen from GOSAT with a regional inversion system based on the Community Multi-scale Air Quality (CMAQ) and ensemble Kalman smoother (EnKS).

Authors: Kou, Xingxia Peng, Zhen Zhang, Meigen et al.

Source: Atmospheric Chemistry & Physics; 2023, Vol. 23 Issue 12, p6719-6741, 23p

Subject Terms: AIR quality, COMMUNITIES, SOFTWARE frameworks, CHEMICAL models, SPACE-based radar, GREENHOUSE gases

Geographic Terms: CHINA, SHANDONG Sheng (China), HEILONGJIANG Sheng (China)

The carbon sink in China as seen from GOSAT with a regional inversion system based on CMAQ and EnSRF.

Authors: Xingxia Kou Zhen Peng Meigen Zhang et al.

Source: Atmospheric Chemistry & Physics Discussions; 12/6/2022, p1-20, 20p

CIOFC1.0: a common parallel input/output framework based on C-Coupler2.0.

Authors: Yu, Xinzhu Liu, Li Sun, Chao et al.

Source: Geoscientific Model Development; 2023, Vol. 16 Issue 21, p6285-6308, 24p

Subject Terms: DESIGN, READING

Geographic Terms: CHINA

The 2019 methane budget and uncertainties at 1∘ resolution and each country through Bayesian integration Of GOSAT total column methane data and a priori inventory estimates.

Authors: Worden, John R. Cusworth, Daniel H. Qu, Zhen et al.

Source: Atmospheric Chemistry & Physics; 2022, Vol. 22 Issue 10, p6811-6841, 31p

Subject Terms: METHANE, COMPOSITE columns, PARIS Agreement (2016), AGRICULTURAL wastes, INPUT-output analysis, REMOTE sensing

Company/Entity: UNITED Nations

The 2019 Methane Budget And Uncertainties At 1 Degree Resolution And Each Country Through Bayesian Integration Of GOSAT Total Column Methane Data And A Priori Inventory Estimates.

Authors: Worden, John R. Cusworth, Daniel Zhen Qu et al.

Source: Atmospheric Chemistry & Physics Discussions; 12/7/2021, p1-64, 64p

Global distribution of methane emissions: a comparative inverse analysis of observations from the TROPOMI and GOSAT satellite instruments.

Authors: Qu, Zhen Jacob, Daniel J. Shen, Lu et al.

Source: Atmospheric Chemistry & Physics; 2021, Vol. 21 Issue 18, p14159-14175, 17p

Subject Terms: METHANE, ATMOSPHERIC methane, BAYESIAN field theory, COMPARATIVE studies, ALBEDO, SEASONS, NATURAL gas vehicles

Geographic Terms: VENEZUELA

Company/Entity: UNITED Nations

Nitrate Chemistry in the Northeast US Part II: Oxygen Isotopes Reveal Differences in Particulate and Gas Phase Formation.

Authors: Heejeong Kim Walters, Wendell W. Bekker, Claire et al.

Source: Atmospheric Chemistry & Physics Discussions; 11/8/2022, p1-33, 33p

Influence of biomass burning vapor wall loss correction on modeling organic aerosols in Europe by CAMx v6.50.

Authors: Jiang, Jianhui El Haddad, Imad Aksoyoglu, Sebnem et al.

Source: Geoscientific Model Development; Mar2021, Vol. 14 Issue 3, p1681-1697, 17p

Subject Terms: BIOMASS burning, AEROSOLS, GASES, CARBONACEOUS aerosols, HEATS of vaporization, VAPORS, AIR quality

Geographic Terms: BALKAN Peninsula, EUROPE

Spatiotemporal evolution characteristics and prediction analysis of urban air quality in China.

Authors: Du, Yuanfang You, Shibing Liu, Weisheng et al.

Source: Scientific Reports; 6/1/2023, Vol. 13 Issue 1, p1-12, 12p

Subject Terms: AIR quality, AIR quality indexes, AIR analysis, AIR pollutants, BOX-Jenkins forecasting, AIR quality monitoring, PARTICULATE matter, FECAL contamination

Geographic Terms: CHINA

Nitrate chemistry in the northeast US – Part 2: Oxygen isotopes reveal differences in particulate and gas-phase formation.

Authors: Kim, Heejeong Walters, Wendell W. Bekker, Claire et al.

Source: Atmospheric Chemistry & Physics; 2023, Vol. 23 Issue 7, p4203-4219, 17p

Subject Terms: OXYGEN isotopes, ATMOSPHERIC chemistry, PARTICULATE nitrate, NITRATES, ACID rain, CARBONACEOUS aerosols, HYDROLYSIS

Evaluating Global Atmospheric Inversions of Terrestrial Net Ecosystem Exchange CO2 Over North America on Seasonal and Sub‐Continental Scales.

Authors: Cui, Yu Yan Zhang, Li Jacobson, Andrew R. et al.

Source: Geophysical Research Letters; 9/28/2022, Vol. 49 Issue 18, p1-10, 10p

Subject Terms: SEASONS, ATMOSPHERE, ATMOSPHERIC carbon dioxide, ATMOSPHERIC transport, CARBON cycle, GOVERNMENT policy on climate change, CARBON dioxide

Geographic Terms: NORTH America, AMERICA, MIDWEST (U.S.)

Satellite soil moisture data assimilation impacts on modeling weather variables and ozone in the southeastern US – Part 2: Sensitivity to dry-deposition parameterizations.

Authors: Huang, Min Crawford, James H. Carmichael, Gregory R. et al.

Source: Atmospheric Chemistry & Physics; 2022, Vol. 22 Issue 11, p7461-7487, 27p

Subject Terms: SOIL moisture, OZONE, WEATHER forecasting, FORESTED wetlands, PARAMETERIZATION, METEOROLOGICAL research

Company/Entity: UNITED States. National Aeronautics & Space Administration