Article
Environmental Sciences
Qiang Li, Menglin Xia, Xiaona Guo, Yalin Shi, Ruimin Guan, Qing Liu, Yongxin Cai, Heli Lu
Summary: The study reveals significant spatial-temporal variations in risk perception behavior of online comments and PM2.5 in 334 cities in China, highlighting the importance of tailoring haze control strategies to local conditions. Local social development level and information channels have a strong influence on public risk perception behavior, while the number of online comments may not necessarily reflect the severity of haze in different regions.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Geosciences, Multidisciplinary
Yang Yang, Yang Zhou, Ke Li, Hailong Wang, Lili Ren, Liangying Zeng, Huimin Li, Pinya Wang, Baojie Li, Hong Liao
Summary: The study found that regional atmospheric circulation anomalies affect haze pollution in China, and these anomalies are expected to continue changing in the future. Over time, the mechanism for severe haze formation in China is shifting from local accumulation to regional transport processes.
GEOPHYSICAL RESEARCH LETTERS
(2021)
Article
Computer Science, Information Systems
Chenyu Zhou, Cheng Feng, Yi Wang
Summary: This article proposes the concept of spatial-temporal energy management (ST-EM) for the energy management of base stations (BSs) in cellular wireless networks. It suggests managing the power consumption of BSs based on real-time prices and price differences among BSs. The article formulates the ST-EM of BSs as a large-scale mixed-integer nonlinear programming (MINLP) problem and proposes a heuristic approach to find a suboptimal solution. Numerical experiments validate the effectiveness of the proposed method.
IEEE INTERNET OF THINGS JOURNAL
(2022)
Article
Environmental Sciences
Ting Gan, Huachao Yang, Wei Liang, Xianchun Liao
Summary: With sustained economic development, China's ecological environment has become increasingly fragile, leading to prominent haze pollution issues that impact normal human life and societal development. Empirical results show an inverted U-shaped relationship between the economy and smog pollution, with population agglomeration being a key factor exacerbating haze pollution. Initiatives to advance technology and optimize industrial structures are suggested to improve haze pollution.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Environmental Sciences
Ye Hong, Junying Sun, Yanjun Ma, Yangfeng Wang, Xiaolan Li, Yunhai Zhang, Ningwei Liu, Deping Zhou
Summary: This study compares the formation and evolution of sulfate and nitrate secondary pollutants under different pollution stages and meteorological conditions in Northeast China. The findings show that nitrate formation during the day is mainly influenced by high emissions, high relative humidity, high temperature, high atmospheric oxidizability, and high ammonia concentrations. The formation of sulfate in Northeast China differs from other regions due to the prominence of gas-phase oxidation processes.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Environmental Sciences
Yumei Lin, Meiling Li, Ruofei Lin
Summary: This paper explores the influence and mechanism of urban rail transit on haze pollution in mainland China. The results indicate that urban rail transit significantly reduces urban PM2.5 concentration, with a significant regional heterogeneity in the effect. The mechanism through which urban rail transit impacts haze pollution is found to be the substitution effect on motor vehicles.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Environmental Sciences
Xiaoyan Song, Jia Jia, Fang Wu, Hongya Niu, Qingxia Ma, Biao Guo, Longyi Shao, Daizhou Zhang
Summary: The study found that haze at the southern edge of the North China Plain is mainly caused by local emissions, with higher PM2.5 mass concentration and a higher proportion of secondary species compared to haze in the northern NCP. This indicates the high heterogeneity of winter haze over the NCP.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Environmental Sciences
Yan Liu, Jiawei Tian, Wenfeng Zheng, Lirong Yin
Summary: This paper discusses the spatial and temporal distribution of severe haze in China, analyzing the impact of economy and energy structure on haze. It provides references for dealing with haze weather and controlling air pollution in China. The study found that haze and PM2.5 concentrations are mainly distributed in the northern regions of China, with more occurrences in winter and less in summer.
Article
Environmental Sciences
Heng Su, Yumin Chen, Huangyuan Tan, Annan Zhou, Guodong Chen, Yuejun Chen
Summary: This study proposes a global-local regression (GLR) model for estimating ground PM2.5 concentrations, taking into consideration the global spatial autocorrelation and local spatial heterogeneity. The GLR model, based on various data sources, outperforms ordinary models and shows good performance at different temporal levels.
Article
Environmental Sciences
Heming Bai, Rusha Yan, Wenkang Gao, Jing Wei, Myeongsu Seong
Summary: This study estimates the spatial representativeness (SR) of 213 PM2.5 monitoring stations in the Yangtze River Delta using high-quality satellite-derived data and calculates the population-weighted mean (PWM) PM2.5 concentration and deaths attributable to PM2.5 exposure for each city. The results show that the SR areas of the monitoring stations account for 32.33% of the entire area, with significant variations among stations.
AIR QUALITY ATMOSPHERE AND HEALTH
(2022)
Article
Green & Sustainable Science & Technology
F. Liu, A. Schellart, W. Shepherd, J. Boxall, M. Mayfield, S. Tait
Summary: This study investigates spatial and temporal conflicts in meeting domestic heat demand through renewable electrical energy supply and low-grade decentralised heat recovery from the urban drainage network in a UK case study area. The findings suggest that adopting an optimised and integrated water-energy system would lead to a 60% reduction in current carbon emissions.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Green & Sustainable Science & Technology
Xia Li, Guangyao Deng
Summary: This study constructs a model to explore the effectiveness of environmental protection taxes on haze emission reduction in China and proposes specific suggestions, including expanding the scope of taxation, strengthening tax supervision and collection, and enhancing collaboration between taxation and environmental protection departments.
Article
Biodiversity Conservation
Shan Guo, Yang Wang
Summary: Land use change has a significant impact on pollutant emissions, especially mercury, which is highly toxic and has severe environmental consequences. This study aims to assess mercury emissions in China caused by land use change by analyzing the effects of land use type conversion and intensities. The results show that both natural and anthropogenic land use contribute to mercury emissions, with significant increases in certain regions. The findings can inform policies to mitigate mercury pollution through land use management.
ECOLOGICAL INDICATORS
(2023)
Article
Multidisciplinary Sciences
Xin Huang, Aijun Ding, Jian Gao, Bo Zheng, Derong Zhou, Ximeng Qi, Rong Tang, Jiaping Wang, Chuanhua Ren, Wei Nie, Xuguang Chi, Zheng Xu, Liangduo Chen, Yuanyuan Li, Fei Che, Nini Pang, Haikun Wang, Dan Tong, Wei Qin, Wei Cheng, Weijing Liu, Qingyan Fu, Baoxian Liu, Fahe Chai, Steven J. Davis, Qiang Zhang, Kebin He
Summary: The study indicates that during the COVID lockdown, haze was mainly driven by enhanced secondary pollution, particularly due to the significant decrease in NOx emissions from transportation. This highlights the need for a coordinated and balanced strategy to control multiple pollutants for haze mitigation.
NATIONAL SCIENCE REVIEW
(2021)
Article
Environmental Sciences
Gonghua Wu, Shenghao Wang, Zini Jiang, Philip K. Hopke, David Q. Rich, Liang Chen, Shao Lin, Kai Zhang, Xiaobo Xue Romeiko, Yanji Qu, Xinlei Deng, Ziqiang Lin, Jianpeng Xiao, Wangjian Zhang, Yuantao Hao
Summary: This study fills important gaps in our understanding of the spatial-temporal clustering patterns of tuberculosis mortality in China and provides evidence for its causal links with long-term PM2.5 exposure. The research findings show a significant association between long-term PM2.5 exposure and pulmonary TB mortality, with higher risk in certain socioeconomic groups.
ENVIRONMENTAL RESEARCH LETTERS
(2023)
Article
Astronomy & Astrophysics
Xuan Ji, Nora Bailey, Daniel Fabrycky, Edwin S. Kite, Jonathan H. Jiang, Dorian S. Abbot
Summary: The climate of a planet is strongly influenced by its eccentricity, with two limits for the dependence of the inner habitable zone boundary (IHZ) on eccentricity. The appropriate limit is determined by the dimensionless parameter Pi, where Pi is greater than about 1 for the mean stellar flux approximation to be nearly exact and less than about 0.01 for the maximum stellar flux approximation to be nearly exact. By considering the effective heat capacity including latent heat, we find that for planets with an Earthlike ocean, the IHZ should follow the mean stellar flux limit for all eccentricities. This work is important for prioritizing potentially habitable exoplanets with nonzero eccentricity for further study.
ASTROPHYSICAL JOURNAL LETTERS
(2023)
Article
Geosciences, Multidisciplinary
Yue Sun, Yuan Wang, Chuanfeng Zhao, Yue Zhou, Yikun Yang, Xingchuan Yang, Hao Fan, Xin Zhao, Jie Yang
Summary: Understanding the effects of aerosols on convective precipitation is crucial for assessing the impact of human activities on extreme weather events and the hydrological cycle. However, the exact nature and magnitude of these effects are still a subject of debate. In this study, using a combination of satellite and ground-based observations over the North China Plain, we found a boomerang-shaped aerosol effect on the top height of convective precipitation, ranging from invigoration to suppression. Further analysis revealed that aerosols have distinct impacts on precipitation rate at different layers, with near surface precipitation rate showing no significant response to aerosols and precipitation-top height due to strong evaporation. The competition between energy released from condensation and freezing and energy absorbed by evaporation can explain the observed boomerang-shaped aerosol effect.
GEOPHYSICAL RESEARCH LETTERS
(2023)
Article
Astronomy & Astrophysics
Xiaoming Jiang, Jonathan H. Jiang, Remo Burn, Zong-Hong Zhu
Summary: This study explores the diversity and evolution relations of planets using synthetic populations. Six outstanding clusters are detected in mass-radius space, and typical planets are extracted for each type. The classification includes gas-poor planets, gas-rich planets, and the significant role of giant gas planets in shaping the system through orbital resonance.
ASTROPHYSICAL JOURNAL
(2023)
Article
Environmental Sciences
Xingchuan Yang, Lili Wang, Pengfei Ma, Yuling He, Chuanfeng Zhao, Wenji Zhao
Summary: Air pollution poses a significant threat to human health and ecosystems. Clean-air actions in Beijing have reduced PM2.5, PM10, CO, NO2, and SO2 pollution, but increased ozone concentrations in autumn and winter. This study highlights the influence of meteorological conditions on air pollution and the need for reducing VOC and NOx emissions to mitigate ozone pollution.
ENVIRONMENT INTERNATIONAL
(2023)
Article
Geosciences, Multidisciplinary
Jui-Lin F. Li, Kuan-Man Xu, Wei-Liang Lee, Jonathan H. Jiang, Yu-Cian Tsai, Jia-Yuh Yu, Eric Fetzer, Longtao Wu, Graeme Stephens
Summary: This study examines the spatial distributions of CMIP6-simulated cloud liquid water path (CLWP) and content (CLWC) over the tropical and subtropical Pacific. They found that models with a separated treatment of floating ice and falling ice radiative effects perform better than models with other treatments in terms of biases of cloud liquid water content and cloud liquid water path against satellite measurements. Biases in meteorological environments such as anomalous ascending motion, warmer sea surface temperature and weaker surface wind stress may cause excessive amounts of warm clouds above the trade-wind boundary layers.
GEOPHYSICAL RESEARCH LETTERS
(2023)
Article
Biodiversity Conservation
Yuan Wang, Junjie Liu, Paul O. Wennberg, Liyin He, Damien Bonal, Philipp Kohler, Christian Frankenberg, Stephen Sitch, Pierre Friedlingstein
Summary: Tropical forests have a crucial role in regulating the global carbon cycle, but their response to climate change is uncertain. A new study using spaceborne measurements of solar-induced chlorophyll fluorescence (SIF) found that the dependence of tropical forest gross primary production (GPP) on climate variables is highly heterogeneous. Water-related factors such as vapor pressure deficit (VPD) and soil moisture influence GPP in African forests, while energy-related factors such as photosynthetically active radiation (PAR) and surface temperature affect GPP in Southeast Asian forests. The current vegetation models may not accurately represent the complex interactions between carbon and water cycles in the tropics, making projections of future carbon dynamics less robust.
GLOBAL CHANGE BIOLOGY
(2023)
Article
Meteorology & Atmospheric Sciences
Ganzhen Chen, Jiandong Wang, Yuan Wang, Jiaping Wang, Yuzhi Jin, Yueyue Cheng, Yan Yin, Hong Liao, Aijun Ding, Shuxiao Wang, Jiming Hao, Chao Liu
Summary: This study proposes an improved aerosol optical module, Advanced Black Carbon (ABC), to accurately estimate the absorption efficiency and radiative effects of black carbon (BC) aerosols. The module addresses the deficiencies in representing BC microphysical and mixing properties, reducing the discrepancies between model simulations and observations, and mitigating the climate impacts of atmospheric aerosols.
JOURNAL OF ADVANCES IN MODELING EARTH SYSTEMS
(2023)
Article
Environmental Sciences
Ghouse Basha, Madineni Venkat Ratnam, Alladi Hemanth Kumar, Jonathan H. H. Jiang, Saginela Ravindra Babu, Pangaluru Kishore
Summary: This study quantifies the impact of the Hunga Tonga-Hunga Ha'apai volcanic eruption on stratospheric water vapor, temperature, and ozone using MLS observations. The eruption injected a significant amount of water vapor into the stratosphere, predominantly in the Southern Hemisphere tropics, leading to changes in temperature and ozone.
Article
Meteorology & Atmospheric Sciences
Zhen Mu, Yuling Ma, Hanxuan Wen, Chunyu Zhang, Yulin Qi, Daizhou Zhang, Yue Zhou, Wei Pu, Xin Wang
Summary: This study investigated the molecular compositions, potential sources, and degrees of oxidation of dissolved organic matter in seasonal snow (DOMsnow) in northeastern China. The majority of identified molecular formulas were consistent with terrestrial compounds from underlying soil and atmospheric deposition. Microbe-derived compounds also made significant contributions to the DOMsnow pool. The heterogeneous distribution of DOMsnow molecules was influenced by factors such as sulfate ions, organic aerosols, longitude, and altitude. High levels of oxidation indicated the presence of secondary organic matter and aging processes within the snowpack.
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
(2023)
Article
Geochemistry & Geophysics
Yikun Yang, Chuanfeng Zhao, Yue Sun, Yulei Chi, Hao Fan
Summary: In this study, convective cloud detection and tracking algorithms were developed for Himawari-8 AHI data using machine learning models, area overlapping, and Kalman filter algorithms. The algorithm achieved high accuracy in detecting convective clouds of different scales and showed good continuity during day-to-night transitions.
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING
(2023)
Article
Environmental Sciences
Yuan Wang, Xiaojian Zheng, Xiquan Dong, Baike Xi, Yuk L. Yung
Summary: In this study, the warm-cloud physics parameterizations in the NCAR Community Atmospheric Model version 6 and 5 (SCAM6 and SCAM5) are evaluated using measurements from the ARM Aerosol and Cloud Experiments in the Eastern North Atlantic (ACE-ENA) field campaign. The results show that both SCAM6 and SCAM5 can simulate the structure and properties of marine boundary layer clouds, but they underestimate cloud liquid water content, cloud droplet size, and rain liquid water content while overestimating surface rainfall. The study emphasizes the importance of understanding biases in cloud physics parameterizations through combining single-column modeling with in situ observations.
ATMOSPHERIC CHEMISTRY AND PHYSICS
(2023)
Article
Environmental Sciences
Hao Fan, Xingchuan Yang, Chuanfeng Zhao, Yikun Yang, Zhenyao Shen
Summary: Intense regional fires caused by climate warming have become major natural disasters in terrestrial ecosystems, posing a serious threat to the atmosphere and climate change. This study investigates the spatial distribution, intensity, emission changes, and meteorological differences of fires in different fire-active and fire-prone regions worldwide, providing insights into fire activity trends at multiple scales.
ATMOSPHERIC CHEMISTRY AND PHYSICS
(2023)
Article
Astronomy & Astrophysics
Jonathan H. Jiang, Anamaria Berea, Heather Bowden, Prithwis Das, Kristen A. Fahy, Joseph Ginsberg, Robert Jew, Xiaoming Jiang, Arik Kershenbaum, David Kipping, Graham Lau, Karen Lewis, C. Isabel Nunez Lendo, Philip E. Rosen, Nick Searra, Stuart F. Taylor, John Traphagan
Summary: This article introduces the Message in a Bottle (MIAB) project, which aims to communicate with intelligent extraterrestrial species and share human knowledge and emotions. MIAB builds upon the Voyager Golden Records and uses scientific methods to design an innovative means of communication. The project seeks to inspire future life forms and unify people by showcasing the story of humanity in a universal and contextually relevant way.
EARTH AND SPACE SCIENCE
(2023)
Article
Environmental Sciences
Yun Lin, Yoshihide Takano, Yu Gu, Yuan Wang, Shujun Zhou, Tianhao Zhang, Kuilin Zhu, Jingyu Wang, Bin Zhao, Gang Chen, Damao Zhang, Rong Fu, John Seinfeld
Summary: Aerosol vertical distribution has a crucial role in cloud development and precipitation, but its influence on clouds is still unclear. This study integrates multi-year Raman Lidar measurements of aerosol vertical profiles with cloud feature data to characterize the impacts of aerosol vertical distribution on warm clouds over land and ocean regions. Three primary types of aerosol vertical distributions are identified based on the relative positions of aerosol layers to clouds. The impacts of aerosols on clouds vary depending on environmental conditions, as reflected by the wide variations of the relations between aerosol optical depths and cloud properties.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)