How do Cl concentrations matter for the simulation of CH₄ and <i>δ</i>¹³C(CH₄) and estimation of the CH₄ budget through atmospheric inve... by J. Thanwerdas, M. Saunois, I. Pison, D. Hauglustaine, A. Berchet, B. Baier, B. Baier, C. Sweeney, P. Bousquet

“…However, the large kinetic isotope effect of the Cl sink produces a large fractionation of <span class="inline-formula">¹³C</span>, compared with <span class="inline-formula">¹²C</span> in atmospheric <span class="inline-formula">CH₄</span>, and thus may strongly influence <span class="inline-formula"><i>δ</i>¹³C(CH₄)</span>. …”
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Measurement report: Chemical components and ¹³C and ¹⁵N isotope ratios of fine aerosols over Tianjin, North China: year-round observations by Z. Dong, C. M. Pavuluri, Z. Xu, Y. Wang, P. Li, P. Fu, C.-Q. Liu

“…The PM<span class="inline-formula">_2.5</span> was studied for carbonaceous, nitrogenous and ionic components and stable carbon and nitrogen isotope ratios of total carbon (<span class="inline-formula"><i>δ</i>¹³</span>C<span class="inline-formula">_TC</span>) and nitrogen (<span class="inline-formula"><i>δ</i>¹⁵</span>N<span class="inline-formula">_TN</span>). …”
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Offline analysis of the chemical composition and hygroscopicity of submicrometer aerosol at an Asian outflow receptor site and comparison with online measurements by Y. Deng, Y. Deng, Y. Deng, H. Fujinari, H. Yai, K. Shimada, K. Shimada, Y. Miyazaki, E. Tachibana, D. K. Deshmukh, K. Kawamura, T. Nakayama, T. Nakayama, S. Tatsuta, M. Cai, M. Cai, H. Xu, F. Li, F. Li, H. Tan, S. Ohata, S. Ohata, S. Ohata, Y. Kondo, A. Takami, S. Hatakeyama, S. Hatakeyama, M. Mochida, M. Mochida

“…High similarities were found between offline and online analysis for chemical compositions that are related to particle hygroscopicity (the mass fractions and <span class="inline-formula">O:C</span> of organics and the degree of neutralization) and also for aerosol hygroscopicity. …”
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Simulation of ozone–vegetation coupling and feedback in China using multiple ozone damage schemes by J. Cao, X. Yue, M. Ma

“…The <span class="inline-formula">O₃</span>-induced damage to transpiration increases national sensible heat by 3.2–6.0 <span class="inline-formula">W m⁻²</span> (8.9 % to 16.2 %), while reducing latent heat by 3.3–6.4 <span class="inline-formula">W m⁻²</span> (<span class="inline-formula">−</span>5.6 % to <span class="inline-formula">−</span>17.4 %), leading to a 0.2–0.51 <span class="inline-formula">°C</span> increase in surface air temperature and a 2.2 %–3.9 % reduction in relative humidity. …”
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Composition and volatility of secondary organic aerosol (SOA) formed from oxidation of real tree emissions compared to simplified volatile organic compound (VOC) systems by A. Ylisirniö, A. Buchholz, C. Mohr, C. Mohr, Z. Li, L. Barreira, L. Barreira, A. Lambe, C. Faiola, C. Faiola, E. Kari, E. Kari, T. Yli-Juuti, S. A. Nizkorodov, D. R. Worsnop, A. Virtanen, S. Schobesberger

“…The reduction in the SOA yield in the farnesene- and bisabolene-dominated mixtures is due to exocyclic C<span class="inline-formula">=</span>C bond scission in these acyclic–monocyclic sesquiterpenes during ozonolysis leading to smaller and generally more volatile products. …”
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Introduction to the NJIAS Himawari-8/9 Cloud Feature Dataset for climate and typhoon research by X. Zhuge, X. Zou, L. Yu, X. Li, M. Zeng, Y. Chen, B. Zhang, B. Yao, F. Tang, F. Chen, W. Kan

“…The NJIAS HCFD has been published in the Science Data Bank (<span class="uri">https://doi.org/10.57760/sciencedb.09950</span>, Zhuge 2023a; <span class="uri">https://doi.org/10.57760/sciencedb.09953</span>, Zhuge 2023b; <span class="uri">https://doi.org/10.57760/sciencedb.09954</span>, Zhuge 2023c; <span class="uri">https://doi.org/10.57760/sciencedb.10158</span>, Zhuge 2023d; <span class="uri">https://doi.org/10.57760/sciencedb.09945</span>, Zhuge 2023e).…”
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A zero-dimensional view of atmospheric degradation of levoglucosan (LEVCHEM_v1) using numerical chamber simulations by L. G. Suciu, R. J. Griffin, R. J. Griffin, C. A. Masiello, C. A. Masiello, C. A. Masiello

“…Several first- or second-generation products resulted from its degradation; most of the products include one or two carbonyl groups, one product contains a nitrate group, and a few products show the cleavage of <span class="inline-formula">C−C</span> bonds. The relative importance of the products varies depending on the phase and the timing of the maximum concentration achieved during the simulation. …”
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Particle emissions from a modern heavy-duty diesel engine as ice nuclei in immersion freezing mode: a laboratory study on fossil and renewable fuels by K. Korhonen, T. B. Kristensen, J. Falk, V. B. Malmborg, A. Eriksson, L. Gren, M. Novakovic, S. Shamun, P. Karjalainen, P. Karjalainen, L. Markkula, J. Pagels, B. Svenningsson, M. Tunér, M. Komppula, A. Laaksonen, A. Laaksonen, A. Virtanen

“…The polydisperse particle emissions were sampled during engine operation and introduced to a continuous-flow diffusion chamber (CFDC) instrument at a constant relative humidity RH<span class="inline-formula">_water=110</span> %, while the temperature was ramped between <span class="inline-formula">−4</span>3 and <span class="inline-formula">−32</span> <span class="inline-formula">^∘</span>C (<span class="inline-formula"><i>T</i></span> scan). …”
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Memória cultural em «Un episodio en la vida del pintor viajero» de César Aira by Günther Augustin

“…<strong> </strong></p><p><strong><span class="hps">Keywords</span></strong><span>:</span> C<span class="hps">ultural</span> <span class="hps">memory;</span> <span class="hps">discourse;</span> <span class="hps">representation;</span> <span class="hps">Alexander</span> <span class="hps">von</span> <span class="hps">Humboldt;</span> <span class="hps">Johann</span> <span class="hps">Moritz</span> <span class="hps">Rugendas.…”
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Distribution, chemical, and molecular composition of high and low molecular weight humic-like substances in ambient aerosols by X. Fan, X. Fan, A. Cheng, X. Yu, T. Cao, T. Cao, D. Chen, W. Ji, Y. Cai, F. Meng, J. Song, P. Peng

“…While both HMW and LMW HULIS shared similar fluorophore types and functional groups, the former exhibited higher levels of humification and a greater presence of polar functional groups (e.g., <span class="inline-formula">−</span>COOH; <span class="inline-formula">&gt;</span> C<span class="inline-formula">=</span>O). HRMS analysis further unveiled that molecular formulas within HMW HULIS generally featured smaller sizes but higher degrees of unsaturation and aromaticity compared to those within LMW HULIS fractions. …”
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Environmental controls of winter soil carbon dioxide fluxes in boreal and tundra environments by A. Mavrovic, A. Mavrovic, A. Mavrovic, A. Mavrovic, O. Sonnentag, O. Sonnentag, J. Lemmetyinen, C. Voigt, C. Voigt, C. Voigt, N. Rutter, P. Mann, J.-D. Sylvain, A. Roy, A. Roy

“…We identified soil temperature as the main control of winter <span class="inline-formula">CO₂</span> fluxes with 68 % of relative model importance, except when soil liquid water occurred during 0 <span class="inline-formula">^∘C</span> curtain conditions (i.e., <span class="inline-formula"><i>T</i>_soil≈0</span> <span class="inline-formula">^∘C</span> and liquid water coexist with ice in soil pores). …”
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A new age model for the Pliocene of the southern North Sea basin: a multi-proxy climate reconstruction by E. Dearing Crampton-Flood, E. Dearing Crampton-Flood, L. J. Noorbergen, D. Smits, R. C. Boschman, T. H. Donders, D. K. Munsterman, J. ten Veen, F. Peterse, L. Lourens, J. S. Sinninghe Damsté, J. S. Sinninghe Damsté

“…We improve the existing low-resolution palynology-based age model for the Hank borehole using stable oxygen and carbon isotope (<span class="inline-formula"><i>δ</i>¹⁸O</span> and <span class="inline-formula"><i>δ</i>¹³C</span>) measurements of the endobenthic foraminifera species <i>Cassidulina laevigata</i>, integrated with biochrono- and seismostratigraphy. …”
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KAJIAN IDENTIFIKASI PANGAN POKOK BERBASIS KEARIFAN LOKAL PADA RUMAH TANGGA PRA SEJAHTERA DI JAWA TENGAH(STUDY OF STAPLE FOOD IDENTIFICATION BY LOCAL WISDOM BASE ON PRE-PROSPEROUS H... by Erlyna Wida R, Heru Irianto, dan Choirul Anam

“…Untuk menganalisis </span>tujuan penelitian dengan<span lang="IN"> menggunakan analisis deskriptif</span>.Hasil penelitian menunjukkan bahwa i<span lang="IN">dentifikasi pangan pokok </span> rumah tangga pra sejahtera di <span lang="IN">Jawa Tengah </span>menurut j<span lang="IN">enis</span> pangan pokok sebesar 75,56 persen rumah tangga pra sejahtera mengkonsumsi beras saja sebagai pangan pokok dan 12,22 persen mengkonsumsi nasi jagung. C<span lang="IN">ara budidaya</span> yang dilakukan dalam setahun 2 – 3 kali pola tanam dimana tanaman yang sering dibudidayakan adalah padi dan jagung. …”
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Leaf carbon and nitrogen stoichiometric variation along environmental gradients by H. Xu, H. Wang, I. C. Prentice, I. C. Prentice, S. P. Harrison, S. P. Harrison

“…The coefficients relating <span class="inline-formula"><i>N</i>_mass</span> to the ratio of maximum carboxylation capacity at 25 <span class="inline-formula">^∘</span>C (<span class="inline-formula"><i>V</i>_cmax25</span>) and leaf mass per area (<span class="inline-formula"><i>M</i>_a</span>) were influenced by leaf area index. …”
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Abrasion of sedimentary rocks as a source of hydrogen peroxide and nutrients to subglacial ecosystems by B. Gill-Olivas, J. Telling, M. Skidmore, M. Tranter

“…Samples were crushed using a ball mill, water was added to rock powders within gastight vials, and samples were incubated in the dark at 4 <span class="inline-formula">^∘C</span>. Headspace and water samples were taken immediately after the addition of water and then again after 5 and 25 <span class="inline-formula">h</span>. …”
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Summer variability of the atmospheric NO₂ : &thinsp;NO ratio at Dome C on the East Antarctic Plateau by A. Barbero, R. Grilli, M. M. Frey, C. Blouzon, C. Blouzon, D. Helmig, N. Caillon, J. Savarino

“…To overcome this crucial lack of information, newly developed optical instruments based on absorption spectroscopy (incoherent broadband cavity-enhanced absorption spectroscopy, IBBCEAS) were deployed for the first time at Dome C (<span class="inline-formula">−75.10</span> lat., 123.33 long., 3233 m a.s.l.) during the 2019–2020 summer campaign to investigate snow–air–radiation interaction. …”
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Measurement report: Production and loss of atmospheric formaldehyde at a suburban site of Shanghai in summertime by Y. Wu, J. Huo, G. Yang, Y. Wang, L. Wang, S. Wu, L. Yao, Q. Fu, L. Wang, L. Wang, L. Wang, L. Wang, L. Wang

“…During the time period with the most intensive photochemistry (10:00–16:00 LT), secondary production of HCHO was estimated to account for approximately 69.6 % according to a multi-linear regression method based on ambient measurements of HCHO, acetylene (C<span class="inline-formula">₂</span>H<span class="inline-formula">₂</span>), and ozone (O<span class="inline-formula">₃</span>). …”
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Impact of freshwater runoff from the southwest Greenland Ice Sheet on fjord productivity since the late 19th century by M. Oksman, A. B. Kvorning, S. H. Larsen, K. K. Kjeldsen, K. D. Mankoff, W. Colgan, T. J. Andersen, N. Nørgaard-Pedersen, M.-S. Seidenkrantz, N. Mikkelsen, S. Ribeiro

“…We followed a multiproxy approach to reconstruct spatial and temporal trends in primary production from four sediment core records, including diatom fluxes and assemblage composition changes and biogeochemical and sedimentological proxies (total organic carbon, nitrogen, <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M1" display="inline" overflow="scroll" dspmath="mathml"><mrow class="chem"><mi mathvariant="normal">C</mi><mo>/</mo><mi mathvariant="normal">N</mi></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="24pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="f135772273124e8de131c1d3d27c70de"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="tc-16-2471-2022-ie00001.svg" width="24pt" height="14pt" src="tc-16-2471-2022-ie00001.png"/></svg:svg></span></span> ratio, biogenic silica, <span class="inline-formula"><i>δ</i>¹³</span>C, <span class="inline-formula"><i>δ</i>¹⁵</span>N, and grain-size distribution). …”
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Concurrent photochemical whitening and darkening of ambient brown carbon by Q. Li, D. Liu, X. Jiang, P. Tian, Y. Wu, S. Li, K. Hu, Q. Liu, M. Huang, R. Li, K. Bi, S. Kong, D. Ding, C. Yu

“…Importantly, the moderately oxygenated OA (O <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M1" 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="1b4178c77ca0d4bfee6c9ddd864f3a43"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-23-9439-2023-ie00001.svg" width="8pt" height="14pt" src="acp-23-9439-2023-ie00001.png"/></svg:svg></span></span> C <span class="inline-formula">=</span> 0.62) was revealed to highly correlate with secondary BrC. …”
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On the formation of biogenic secondary organic aerosol in chemical transport models: an evaluation of the WRF-CHIMERE (v2020r2) model with a focus over the Finnish boreal forest by G. Ciarelli, S. Tahvonen, A. Cholakian, M. Bettineschi, B. Vitali, B. Vitali, B. Vitali, T. Petäjä, F. Bianchi

“…The results of the model were compared against high-resolution (i.e., 1 h) organic aerosol mass and size distribution measurements performed at the Station for Measuring Ecosystem–Atmosphere Relations (SMEAR-II) site located in Hyytiälä, in addition to other gas-phase species such as ozone (O<span class="inline-formula">₃</span>), nitrogen oxides (NO<span class="inline-formula">_<i>x</i></span>), and biogenic volatile organic compound (BVOC) measurements of isoprene (C<span class="inline-formula">₅</span>H<span class="inline-formula">₁₀</span>) and monoterpenes. …”
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