Measurement Report: Investigation on the sources and formation processes of dicarboxylic acids and related species in urban aerosols before and during the COVID-19 lockdown in Jina... by J. Meng, J. Meng, Y. Wang, Y. Li, T. Huang, Z. Wang, Y. Wang, M. Chen, Z. Hou, H. Zhou, K. Lu, K. Kawamura, P. Fu

“…The increased <span class="inline-formula"><i>δ</i>¹³</span>C values of C<span class="inline-formula">₂</span> and other major diacids along with the high ratios of C<span class="inline-formula">₂</span> / glyoxal, C<span class="inline-formula">₂</span> / methylglyoxal, and C<span class="inline-formula">₂</span> / diacid confirmed an isotopic fractionation effect during the oxidation process of precursors. …”
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Quantifying river water contributions to the transpiration of riparian trees along a losing river: lessons from stable isotopes and an iteration method by Y. Li, Y. Li, Y. Ma, Y. Ma, X. Song, X. Song, Q. Zhang, L. Wang

“…The higher water availability probably promoted stomatal opening and thus increased transpiration water loss, leading to the decreasing leaf <span class="inline-formula"><i>δ</i>¹³C</span> in the wet year compared to the dry year. …”
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Wall loss of semi-volatile organic compounds in a Teflon bag chamber for the temperature range of 262–298&thinsp;K: mechanistic insight on temperature dependence by L. He, L. He, W. Liu, Y. Li, Y. Li, Y. Li, J. Wang, J. Wang, M. Kuwata, Y. Liu, Y. Liu

“…In this study, we experimentally investigated wall-loss processes of C<span class="inline-formula">₁₄</span>–C<span class="inline-formula">₁₉</span> <span class="inline-formula"><i>n</i></span>-alkanes in a 1 m<span class="inline-formula">³</span> Teflon bag for the temperature range of 262 to 298 K. …”
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Gridded pollen-based Holocene regional plant cover in temperate and northern subtropical China suitable for climate modelling by F. Li, F. Li, M.-J. Gaillard, X. Cao, U. Herzschuh, U. Herzschuh, U. Herzschuh, S. Sugita, J. Ni, Y. Zhao, Y. Zhao, C. An, X. Huang, Y. Li, H. Liu, A. Sun, Y. Yao

“…The 27 plant taxa were also grouped into 6 plant functional types and 3 land-cover types (coniferous trees CT, broadleaved trees BT, and C<span class="inline-formula">₃</span> herbs/open land (C<span class="inline-formula">₃</span>H/OL)), and their REVEALS estimates of cover and related SEs were calculated. …”
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Molecular analysis of secondary organic aerosol and brown carbon from the oxidation of indole by F. Jiang, F. Jiang, K. Siemens, C. Linke, Y. Li, Y. Gong, T. Leisner, T. Leisner, A. Laskin, A. Laskin, H. Saathoff

“…In the absence of NO<span class="inline-formula">₂</span>, the dominating chromophore was C<span class="inline-formula">₈</span>H<span class="inline-formula">₇</span>O<span class="inline-formula">₃</span>N, contributing to 20 %–30 % of Abs<span class="inline-formula">₃₆₅</span>. …”
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Seasonal variations in the production of singlet oxygen and organic triplet excited states in aqueous PM_2.5 in Hong Kong SAR, South China by Y. Lyu, Y. H. Lam, Y. Li, N. Borduas-Dedekind, T. Nah, T. Nah

“…The mass absorption coefficients at 300 <span class="inline-formula">nm</span> for <span class="inline-formula">BrC</span> in the aqueous PM<span class="inline-formula">_2.5</span> extracts ranged from 0.49 to 2.01 m<span class="inline-formula">²</span> g-C<span class="inline-formula">⁻¹</span> for the three sites. …”
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Measurement report: Brown carbon aerosol in polluted urban air of the North China Plain – day–night differences in the chromophores and optical properties by Y. Gong, Y. Gong, R.-J. Huang, R.-J. Huang, R.-J. Huang, L. Yang, L. Yang, T. Wang, W. Yuan, W. Yuan, W. Xu, W. Cao, Y. Wang, Y. Wang, Y. Li

“…<span class="inline-formula">1.02±0.49</span> m<span class="inline-formula">²</span> g C<span class="inline-formula">⁻¹</span> for WIS-BrC, respectively). …”
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Application of an improved distributed hydrological model based on the soil–gravel structure in the Niyang River basin, Qinghai–Tibet Plateau by P. Wang, P. Wang, P. Wang, Z. Zhou, J. Liu, C. Xu, C. Xu, K. Wang, Y. Liu, J. Li, Y. Li, Y. Jia, H. Wang

“…The temperature root-mean-square error was reduced from 1.16 to 0.86 <span class="inline-formula">^∘C</span>. In the fully thawed period, the dualistic soil–gravel structure improved the regulation effect of groundwater on flow, thus stabilizing the flow process. …”
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Impact of temperature on the role of Criegee intermediates and peroxy radicals in dimer formation from <i>β</i>-pinene ozonolysis by Y. Gong, Y. Gong, F. Jiang, Y. Li, T. Leisner, T. Leisner, H. Saathoff

“…[HO<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M14" display="inline" overflow="scroll" dspmath="mathml"><mrow><msub><mi/><mn mathvariant="normal">2</mn></msub><mo>]</mo><mo>/</mo><mo>[</mo><msub><mi mathvariant="normal">RO</mi><mn mathvariant="normal">2</mn></msub></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="40pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="b5f66b14725c2eec2238fa677fc87be6"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-24-167-2024-ie00006.svg" width="40pt" height="14pt" src="acp-24-167-2024-ie00006.png"/></svg:svg></span></span>] has a specific impact on SCI-controlled dimers at lower temperatures by especially influencing the C<span class="inline-formula">₉</span>–SCI reactions with RO<span class="inline-formula">₂</span>. …”
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