Climate Dynamics, Journal Year: 2024, Volume and Issue: 62(10), P. 9619 - 9631
Published: Sept. 3, 2024
Language: Английский
Communications Earth & Environment, Journal Year: 2025, Volume and Issue: 6(1)
Published: Jan. 30, 2025
Language: Английский
Citations
2
Atmospheric Environment, Journal Year: 2025, Volume and Issue: 344, P. 121028 - 121028
Published: Jan. 2, 2025
Language: Английский
Citations
1
Atmospheric chemistry and physics, Journal Year: 2025, Volume and Issue: 25(4), P. 2311 - 2331
Published: Feb. 21, 2025
Abstract. Sedimentary records indicate that atmospheric dust has increased substantially since preindustrial times. However, state-of-the-art global Earth system models (ESMs) are unable to capture this historical increase, posing challenges in assessing the impacts of desert on Earth's climate. To address issue, we construct a globally gridded emission dataset (DustCOMMv1) spanning 1841–2000. We do so by combining 19 sedimentary deposition with observational and modeling constraints modern-day cycle. The derived contains interdecadal variability emissions as forced flux records, which approximately 50 % from 1851–1870 1981–2000. further provide future datasets for 2000–2100 assuming three possible scenarios how will evolve. evaluate illustrate its effectiveness enforcing increase ESMs conducting long-term (1851–2000) cycle simulation Community System Model (CESM2). simulated depositions reasonable agreement most measured trends concentration at sites Miami Barbados. This contrasts CESM2 simulations using process-based scheme Coupled Intercomparison Project (CMIP6), show little no secular deposition, concentration, optical depth. DustCOMM thus enable account radiative forcings (RFs), including due direct interactions radiation (direct RF). Our estimate 1981–2000 minus RF −0.10 W m−2 aerosols up 10 µm diameter (PM10) top atmosphere (TOA). enables more accurately aerosol forcings, thereby improving climate change projections such those Intergovernmental Panel Climate Change (IPCC) assessment reports.
Language: Английский
Citations
1
Atmospheric chemistry and physics, Journal Year: 2024, Volume and Issue: 24(20), P. 12031 - 12053
Published: Oct. 28, 2024
Abstract. Unprecedented extreme Saharan dust (duxt) events have recently expanded northward from subtropical NW Africa to the Atlantic and Europe, with severe impacts on Canary Islands, mainland Spain continental Portugal. These six historic duxt episodes occurred 3–5 22–29 February 2020, 15–21 2021, 14–17 January 2022, 29 January–1 14–20 March 2022. We analyzed data of 341 governmental air quality monitoring stations (AQMSs) in (330) Portugal (11), where PM10 PM2.5 are measured European norm (EN) standards, found that during concentrations underestimated due technical limitations some monitors meaning they can not properly measure extremely high concentrations. assessed consistency reconstructed 1690 (1 h average) points 48 7 AQMSs Portugal, respectively, by using our novel “duxt-r” method. During events, 1 average were within range 1000–6000 µg m−3 400–1200 m−3, respectively. The intense winds leading massive plumes meteorological dipoles formed a blocking anticyclone over western Europe cutoff low located southwest, near Islands Cape Verde, or into Sahara. cyclones reached this region via two main paths: deviating southward mid-latitude westerly circulation tropical belt. analysis 2000–2022 time series shows these no precedent region. 2020 event led (24 600–1840 200–404 being most episode ever recorded Islands. 2022 values 500–3070 100–690 southeastern Spain, 200–1000 60–260 central 150–500 75–130 northern regions ranges 200–650 30–70 regions. All anomalies Northern Hemisphere characterized anticyclones shifting higher latitudes, anomalous pressure expanding beyond belt amplified Rossby waves. New studies reported recent record-breaking linked dipole-induced North Asia paradoxical context multidecadal decrease emissions, topic requires further investigation.
Language: Английский
Citations
6
Science China Physics Mechanics and Astronomy, Journal Year: 2025, Volume and Issue: 68(4)
Published: Feb. 18, 2025
Citations
0
Environmental Science & Technology, Journal Year: 2025, Volume and Issue: unknown
Published: March 7, 2025
Remote marine regions are characterized by a high degree of cloud cover that greatly impacts Earth's radiative budget. It is highly relevant for climate projections to represent the ice formation in these clouds. Therefore, it crucial understand sources ice-nucleating particles (INPs) enable primary formation. Here, we report polysaccharides produced four different aquatic eukaryotic microorganisms (Thraustochytrium striatum, Tausonia pullulans, Naganishia diffluens, Penicillium chrysogenum) as responsible macromolecules (INMs) samples originating from biosphere. By deriving classical nucleation theory-based parametrization polysaccharidic INMs and applying global model simulations, comparison currently available atmospheric INP observations demonstrates 44% contribution total INPs origin within -15 -20 °C. The results highlight relevance biological part population remote regions.
Language: Английский
Citations
0
npj Climate and Atmospheric Science, Journal Year: 2025, Volume and Issue: 8(1)
Published: March 10, 2025
Language: Английский
Citations
0
Elsevier eBooks, Journal Year: 2025, Volume and Issue: unknown, P. 65 - 92
Published: Jan. 1, 2025
Language: Английский
Citations
0
npj Climate and Atmospheric Science, Journal Year: 2025, Volume and Issue: 8(1)
Published: April 7, 2025
Language: Английский
Citations
0
Global and Planetary Change, Journal Year: 2025, Volume and Issue: 252, P. 104869 - 104869
Published: May 5, 2025
Language: Английский
Citations
0