Chenghao Xu

ORCID: 0000-0003-0055-2318
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Research Areas
  • Atmospheric chemistry and aerosols
  • Atmospheric and Environmental Gas Dynamics
  • Atmospheric Ozone and Climate
  • Marine and coastal ecosystems
  • Pharmacological Effects of Natural Compounds
  • Ginseng Biological Effects and Applications
  • Microbial Metabolism and Applications
  • Water Resources and Sustainability
  • Polysaccharides and Plant Cell Walls
  • Environmental and Agricultural Sciences
  • Freezing and Crystallization Processes
  • Enzyme Production and Characterization
  • Remote Sensing and Land Use
  • Advanced Measurement and Detection Methods
  • Microbial Community Ecology and Physiology
  • Carbohydrate Chemistry and Synthesis
  • Food Quality and Safety Studies
  • Advanced Computational Techniques and Applications
  • Microbial Metabolites in Food Biotechnology
  • Air Quality Monitoring and Forecasting
  • Air Quality and Health Impacts
  • Genomics and Phylogenetic Studies
  • Climate variability and models
  • Ginkgo biloba and Cashew Applications
  • Microbial Natural Products and Biosynthesis

Peking University
2022-2023

University of Jinan
2023

State Key Laboratory of Natural and Biomimetic Drugs
2023

Leshan Normal University
2014

Abstract Nitrogen oxides (NOX = NO + NO2) are a major air pollutant under stringent emission regulation in China. The nation has effectively cut its total anthropogenic since the peaking around 2012, with cities at forefront of implementing mitigation measures. However, city-level changes and cross-city contrast remains poorly understood, due to inaccuracies existing data. Using satellite-based high-resolution PHLET inversion, we derived NOX emissions China from 2012 2020. We found much...

10.1088/1748-9326/ade170 article EN cc-by Environmental Research Letters 2025-06-05

Abstract Nitrogen oxides affect health and climate. Their emissions from inland waters such as lakes are generally considered negligible absent in air quality climate models. Here we find unexpected high remote on the Tibetan Plateau based satellite observations emission inversion. The total 135 larger than 50 km 2 reach 1.9 Ton N h − 1 , comparable to individual megacities worldwide. per unit area exceed those crop fields. This is first report of strong natural waters. likely...

10.21203/rs.3.rs-1980236/v1 preprint EN cc-by Research Square (Research Square) 2022-09-02

Abstract. Changes in tropospheric ozone over the Tibetan Plateau (TP) profoundly affect local ecosystems and human health. Yet previous studies on TP have focused background regions, with much less attention urban ozone. Here we quantify trends whole from 2015 to 2019 context of its long-term trends, a focus We use measurements 30 stations 17 cities, Waliguan baseline station, four satellite products further analyze drivers through combination chemical transport model simulations,...

10.5194/egusphere-2024-3471 preprint EN cc-by 2024-11-25

High-resolution spaceborne emission inversions play a crucial role in independent monitoring, small-scale pollution modelling, and exposure estimation. However, inversion at 1-km resolution is still challenge due to the insufficiency of satellite observations, along with limitations such as computational costs meteorological data. The spatial resolutions existing satellite-based NO2 observations (e.g. TROPOMI: nadir pixel ~3.5×5.5 km2) fall short capturing features resolution. Here...

10.5194/egusphere-egu24-2865 preprint EN 2024-03-08

Abstract. Earth system models (ESMs) participating in the latest Coupled Model Intercomparison Project Phase 6 (CMIP6) simulate various components of fine particulate matter (PM2.5) as major climate forcers. Yet model performance for PM2.5 remains little evaluated due part to lack observational data. Here, we evaluate near-surface concentrations and its five main over China simulated by fourteen CMIP6 models, including organic carbon (OC, available 14 models), black (BC, sulfate (14 nitrate...

10.5194/egusphere-2023-2370 preprint EN cc-by 2023-11-16
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