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Many current gridded surface meteorological datasets are inadequate for quantifying near-surface spatiotemporal variability because they do not fully represent the impacts of land surface heterogeneity. Of note, explicit representation of the spatial structure and magnitude of local urban warming are usually lacking. Here we enhance the representation of spatial meteorological variability over urban areas in the conterminous United States (CONUS) by employing the High-Resolution Land Data Assimilation System (HRLDAS), which accounts for the fine-scale impacts of spatiotemporally varying land surfaces on weather. We also synthesize in situ meteorological data including local mesonets to create a 1 km grid spacing model-observation fusion product spanning 1981-2018 over the CONUS at daily temporal resolution. Daily maximum, minimum, and mean values for a variety of temperature estimates, humidity, and surface energy budget terms, among others, are included. This High-resolution Urban Meteorology for Impacts Dataset (HUMID) will be useful for studies examining spatial variability of near surface meteorology and the impacts of urban heat islands across many disciplines including epidemiology, ecology, and climatology.
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http://dx.doi.org/10.1038/s41597-024-04086-2 | DOI Listing |
Sci Total Environ
September 2025
European Commission, Joint Research Centre (JRC), Ispra, Italy. Electronic address:
Drought stress has profound impacts on ecosystems and societies, particularly in the context of climate change. Traditional drought indicators, which often rely on integrated water budget anomalies at various time scales, provide valuable insights but often fail to deliver clear, real-time assessments of vegetation stress. This study introduces the Cooling Efficiency Factor Index (CEFI), a novel metric purely derived from geostationary satellite observations, to detect vegetation drought stress by analyzing daytime surface warming anomalies.
View Article and Find Full Text PDFEnviron Pollut
September 2025
School of Environment, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China; State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
Ozone (O) is a primary pollutant affecting air quality in China, whose formation rate was non-linearly based on volatile organic compounds (VOCs) and nitrogen oxides (NOx). A comprehensive understanding of the key drivers governing O formation and its sensitivity to precursor variations presents a persistent research challenge, stemming from the complex interplay of underlying photochemistry, meteorology, and topography. To address this knowledge gap, we conducted synchronous measurements of O and its precursors at both an urban (JPU) and a mountain (LM) site in a typical city in eastern China, enabling concurrent evaluation of O formation sensitivity and diagnostic analysis of its underlying mechanisms.
View Article and Find Full Text PDFNat Commun
September 2025
Department of Atmospheric and Oceanic Sciences, School of Physics, Peking University, Beijing, 100871, China.
Understanding how hailstorm trends have changed in the context of climate change is a persistent challenge, mainly because of the lack of long-term consistent observations of hailstorms. Here, we leverage hail damage records from Chinese historical books and extend hailstorm records to approximately 2890 years ago, exploring variations in the number of hailstorm days between 1500 and 1949 based on reliable and consistent data. We show that the number of hailstorm days was constant before 1850, but has increased significantly afterwards.
View Article and Find Full Text PDFEnviron Monit Assess
September 2025
Indian Institute of Tropical Meteorology (Ministry of Earth Sciences), Pune, Maharashtra, 411008, India.
The unprecedented growth of urbanization demands making cities and human settlements inclusive, safe, resilient, and sustainable. The present study is the first multi-temporal local climate zones (LCZ) mapped in India. It is used to assess the spatio-temporal growth of the city over the past two decades and its impact on its thermal environment.
View Article and Find Full Text PDFJ Environ Manage
August 2025
Department of Earth System Science, Stanford University, Stanford, 94305, USA; Woods Institute for the Environment and Precourt Institute for Energy, Stanford University, Stanford, 94305, USA.
A comprehensive, open-access database of oil and gas infrastructure locations is necessary for accurately attributing emissions from satellites and managing pollution impacts on surrounding communities. However, open-access datasets are limited for many infrastructure types, including natural gas compressor stations, which account for approximately one-third of U.S.
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