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HONO chemistry at a suburban site during the EXPLORE-YRD campaign in 2018: formation mechanisms and impacts on O<sub>3</sub> production
Published 2023-12-01“…The average diurnal pattern of HONO <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M2" display="inline" overflow="scroll" dspmath="mathml"><mo>/</mo></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="8pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="527256ea34e0af356380afd605ccefc0"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-23-15455-2023-ie00001.svg" width="8pt" height="14pt" src="acp-23-15455-2023-ie00001.png"/></svg:svg></span></span> NO<span class="inline-formula"><sub><i>x</i></sub></span> showed a maximum of 0.17 around noon and resembled that of <span class="inline-formula"><i>j</i>(O<sup>1</sup>D</span>), indicating the existence of photo-induced sources. …”
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Prevalence of poor sleep quality among physicians and nurses in a tertiary health care center
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12631
Nutrient release and flux dynamics of CO<sub>2</sub>, CH<sub>4</sub>, and N<sub>2</sub>O in a coastal peatland driven by actively induced rewetting with brackish water from the B...
Published 2023-01-01“…</p> <p>Both the potential transport of nutrients into adjacent coastal water and the shift in GHG fluxes (CO<span class="inline-formula"><sub>2</sub></span>, CH<span class="inline-formula"><sub>4</sub></span>, and N<span class="inline-formula"><sub>2</sub></span>O) accompanying the change from drained to inundated conditions were analyzed based on measurements of the surface water concentrations of nutrients (dissolved inorganic nitrogen, DIN, and phosphate, PO<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M11" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">4</mn><mrow><mn mathvariant="normal">3</mn><mo>-</mo></mrow></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="13pt" height="17pt" class="svg-formula" dspmath="mathimg" md5hash="1942e7716e2a9166d2a38b0e436e30e1"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="bg-20-295-2023-ie00001.svg" width="13pt" height="17pt" src="bg-20-295-2023-ie00001.png"/></svg:svg></span></span>), oxygen (O<span class="inline-formula"><sub>2</sub></span>), components of the CO<span class="inline-formula"><sub>2</sub></span> system, CH<span class="inline-formula"><sub>4</sub></span>, and N<span class="inline-formula"><sub>2</sub></span>O together with manual closed-chamber measurements of GHG fluxes.…”
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12632
On the evolution of sub- and super-saturated water uptake of secondary organic aerosol in chamber experiments from mixed precursors
Published 2022-03-01“…For the reconciliation of <span class="inline-formula"><i>κ</i><sub>HTDMA</sub></span> and <span class="inline-formula"><i>κ</i><sub>CCN</sub></span>, the <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M10" display="inline" overflow="scroll" dspmath="mathml"><mrow><msub><mi mathvariant="italic">κ</mi><mi mathvariant="normal">HTDMA</mi></msub><mspace linebreak="nobreak" width="0.125em"/><mo>/</mo><mspace linebreak="nobreak" width="0.125em"/><msub><mi mathvariant="italic">κ</mi><mi mathvariant="normal">CCN</mi></msub></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="69pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="cad96813d9e6c9f335326ea48159d8e0"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-22-4149-2022-ie00001.svg" width="69pt" height="14pt" src="acp-22-4149-2022-ie00001.png"/></svg:svg></span></span> ratio increased with the SOA mass fraction and this was observed in all investigated single and mixed VOC systems, independent of initial VOC concentrations and sources. …”
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12633
Implementation of HONO into the chemistry–climate model CHASER (V4.0): roles in tropospheric chemistry
Published 2023-02-01“…We showed that the inclusion of the HONO chemistry in the modelling process reduced the model bias against the measurements for PM<span class="inline-formula"><sub>2.5</sub></span>, NO<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M4" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">3</mn><mo>-</mo></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="9pt" height="16pt" class="svg-formula" dspmath="mathimg" md5hash="0723f17b5be9fc41c36a5585631feb47"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="gmd-16-927-2023-ie00001.svg" width="9pt" height="16pt" src="gmd-16-927-2023-ie00001.png"/></svg:svg></span></span>/HNO<span class="inline-formula"><sub>3</sub></span>, NO<span class="inline-formula"><sub>2</sub></span>, OH, HO<span class="inline-formula"><sub>2</sub></span>, O<span class="inline-formula"><sub>3</sub></span>, and CO, especially in the lower troposphere and the North Pacific (NP) region.…”
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Ice core chemistry database: an Antarctic compilation of sodium and sulfate records spanning the past 2000 years
Published 2023-06-01“…To facilitate sea ice and wind reconstructions, the CLIVASH2k (CLimate Variability in Antarctica and the Southern Hemisphere over the past 2000 years) working group has compiled a database of two species, sodium <span class="inline-formula">[Na<sup>+</sup>]</span> and sulfate <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M2" display="inline" overflow="scroll" dspmath="mathml"><mrow class="chem"><mo>[</mo><msubsup><mi mathvariant="normal">SO</mi><mn mathvariant="normal">4</mn><mrow><mn mathvariant="normal">2</mn><mo>-</mo></mrow></msubsup><mo>]</mo></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="35pt" height="17pt" class="svg-formula" dspmath="mathimg" md5hash="9c46e51011a27bae67cc30589aff6aa5"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="essd-15-2517-2023-ie00001.svg" width="35pt" height="17pt" src="essd-15-2517-2023-ie00001.png"/></svg:svg></span></span>, commonly measured ionic species. …”
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12636
Elucidating the mechanisms of atmospheric new particle formation in the highly polluted Po Valley, Italy
Published 2024-02-01“…Generally, the high formation rates of sub-2 nm particles (87 cm<span class="inline-formula"><sup>−3</sup></span> s<span class="inline-formula"><sup>−1</sup></span>) and nucleation-mode growth rates (5.1 nm h<span class="inline-formula"><sup>−1</sup></span>) as well as the relatively low condensational sink (<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M6" display="inline" overflow="scroll" dspmath="mathml"><mrow><mn mathvariant="normal">8.9</mn><mo>×</mo><msup><mn mathvariant="normal">10</mn><mrow><mo>-</mo><mn mathvariant="normal">3</mn></mrow></msup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="51pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="b9acdfeb8f5b650c8bb86aa8247336f7"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-24-2423-2024-ie00001.svg" width="51pt" height="14pt" src="acp-24-2423-2024-ie00001.png"/></svg:svg></span></span> s<span class="inline-formula"><sup>−1</sup></span>) will result in a high survival probability for newly formed particles, making NPF crucial for the springtime aerosol number budget. …”
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12637
Composition and sources of carbonaceous aerosol in the European Arctic at Zeppelin Observatory, Svalbard (2017 to 2020)
Published 2024-02-01“…</p> <p>In summary, organic aerosol (<span class="inline-formula">281±106</span> ng m<span class="inline-formula"><sup>−3</sup></span>) constitutes a significant fraction of Arctic PM<span class="inline-formula"><sub>10</sub></span>, although surpassed by sea salt aerosol (<span class="inline-formula">682±46.9</span> ng m<span class="inline-formula"><sup>−3</sup></span>), mineral dust (<span class="inline-formula">613±368</span> ng m<span class="inline-formula"><sup>−3</sup></span>), and typically non-sea-salt sulfate SO<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M14" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">4</mn><mrow><mn mathvariant="normal">2</mn><mo>-</mo></mrow></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="13pt" height="17pt" class="svg-formula" dspmath="mathimg" md5hash="9e5c3b810d685753e2e31321de9aeed4"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-24-2731-2024-ie00001.svg" width="13pt" height="17pt" src="acp-24-2731-2024-ie00001.png"/></svg:svg></span></span> (<span class="inline-formula">314±62.6</span> ng m<span class="inline-formula"><sup>−3</sup></span>), originating mainly from anthropogenic sources in winter and from natural sources in summer.…”
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12638
Ice-nucleating particles near two major dust source regions
Published 2022-09-01“…Future efforts to develop or improve representations of dust INPs at modest supercooling (<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M21" display="inline" overflow="scroll" dspmath="mathml"><mrow><mo>≥</mo><mspace width="0.125em" linebreak="nobreak"/><mo>-</mo><mn mathvariant="normal">15</mn></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="34pt" height="11pt" class="svg-formula" dspmath="mathimg" md5hash="6933adb549adbab002800e5a33e39d11"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-22-12607-2022-ie00001.svg" width="34pt" height="11pt" src="acp-22-12607-2022-ie00001.png"/></svg:svg></span></span> <span class="inline-formula"><sup>∘</sup></span>C) would benefit from a characterization of the specific organic species associated with dust INPs. …”
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12639
Management and Outcomes of Type I and Type II Myocardial Infarction in Cardiogenic Shock
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12640