Imputation of missing land carbon sequestration data in the AR6 Scenarios Database by R. Prütz, R. Prütz, R. Prütz, R. Prütz, S. Fuss, S. Fuss, S. Fuss, J. Rogelj, J. Rogelj, J. Rogelj

“…We find that a <span class="inline-formula"><i>k</i></span>-nearest neighbors regression performs best among the tested regression models and use it to impute and provide two publicly available imputation datasets (<a href="https://doi.org/10.5281/zenodo.13373539">https://doi.org/10.5281/zenodo.13373539</a>, Prütz et al., 2024) on CO<span class="inline-formula">₂</span> removal via land sinks for incomplete global scenarios (<span class="inline-formula"><i>n</i>=404</span>) and incomplete regional R10 scenario variants (<span class="inline-formula"><i>n</i>=2358</span>) of the AR6 Scenarios Database. …”
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Measurement report: Analysis of aerosol optical depth variation at Zhongshan Station in Antarctica by L. Chen, L. Chen, L. Zhang, Y. She, Z. Zeng, Y. Zheng, B. Tian, W. Zhang, Z. Liu, H. Che, M. Ding

“…The temperature and AOD showed an insignificant positive correlation (<span class="inline-formula"><i>R</i></span> <span class="inline-formula">=</span> 0.22, <span class="inline-formula"><i>p</i></span> <span class="inline-formula">=</span> 0.40), and relative humidity exhibited a significant negative correlation with AOD (<span class="inline-formula"><i>R</i></span> <span class="inline-formula">=</span> <span class="inline-formula">−</span>0.59, <span class="inline-formula"><i>p</i></span> <span class="inline-formula">=</span> 0.02). …”
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Post-Hercynian ultrahigh-temperature tectono-metamorphic evolution of the Middle Atlas lower crust (central Morocco) revealed by metapelitic granulite xenoliths by A. El Maz, A. Vauchez, J.-M. Dautria

“…Mineralogy, petrology, <span class="inline-formula"><i>P</i></span>–<span class="inline-formula"><i>T</i></span> estimates, and electron backscatter diffraction (EBSD) data support that these granulites underwent two successive tectono-metamorphic events before their entrapment in lava. …”
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Aerosol layer height (ALH) retrievals from oxygen absorption bands: intercomparison and validation among different satellite platforms, GEMS, EPIC, and TROPOMI by H. Kim, H. Kim, X. Chen, X. Chen, J. Wang, J. Wang, J. Wang, J. Wang, Z. Lu, Z. Lu, Z. Lu, M. Zhou, G. R. Carmichael, G. R. Carmichael, S. S. Park, J. Kim

“…The GEMS ALH displays minimal bias (0.1 km) but a slightly lower correlation (<span class="inline-formula"><i>R</i></span> <span class="inline-formula">=</span> 0.64). …”
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Investigation of the October effect in very low-frequency (VLF) signals by M. Hansen, D. Banyś, M. Clilverd, D. Wenzel, T. Raita, M. M. Hoque

“…At the D-region height, the ionosphere is mainly ionized by solar Lyman-<span class="inline-formula"><i>α</i></span> radiation. The reflection characteristics of VLF signals depend on the state and dynamics of the D-region, which is highly influenced by Lyman-<span class="inline-formula"><i>α</i></span> radiation. …”
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The Mosquito Repellent Activity of the Active Component of Air Freshener Gel from Java Citronella Oil (Cymbopogon winterianus) by Willy Tirza Eden, Dante Alighiri, Kasmadi Imam Supardi, Edy Cahyono

“…The most significant specific gravity (0.0136) was recorded in formula V, while gel formula I exhibited the highest level of instability at 35°C, with a syneresis value of 77.11% in t=72 h and pH 5.33. …”
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Southern Ocean control on atmospheric CO₂ changes across late Pliocene Marine Isotope Stage M2 by S. Hou, L. Toebrock, M. van der Linden, F. Rothstegge, M. Ziegler, L. J. Lourens, P. K. Bijl

“…By providing tight and independent age constraints from benthic foraminiferal <span class="inline-formula"><i>δ</i>¹⁸O</span>, we find that, much more than benthic <span class="inline-formula"><i>δ</i>¹⁸O</span> or local SST, latitudinal migrations of the STF are tightly coupled to global <i>p</i><span class="inline-formula">CO₂</span> variations across the M2. …”
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Forecasting contrail climate forcing for flight planning and air traffic management applications: the CocipGrid model in pycontrails 0.51.0 by Z. Engberg, R. Teoh, T. Abbott, T. Dean, M. E. J. Stettler, M. L. Shapiro

“…Outputs are provided for <span class="inline-formula"><i>N</i></span> aircraft-engine groups, with groupings based on similarities in aircraft mass and engine particle number emissions: <span class="inline-formula"><i>N</i>=7</span> results in a 3 % mean error between the trajectory- and grid-based CoCiP, while <span class="inline-formula"><i>N</i>=3</span> facilitates operational simplicity but increases the mean error to 13 %. …”
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The ASK-16 motorized glider: an airborne eddy covariance platform to measure turbulence, energy, and matter fluxes by I. Wiekenkamp, A. K. Lehmann, A. Bütow, J. Hartmann, S. Metzger, S. Metzger, T. Ruhtz, C. Wille, M. Zöllner, T. Sachs, T. Sachs

“…The uncertainty of <span class="inline-formula"><i>w</i></span> is between 0.15 and 0.27 m s<span class="inline-formula">⁻¹</span> (median <span class="inline-formula">=</span> 0.23 m s<span class="inline-formula">⁻¹</span>), and the uncertainty of <span class="inline-formula"><i>u</i></span> and <span class="inline-formula"><i>v</i></span> ranges between 0.16 and 0.55 m s<span class="inline-formula">⁻¹</span> (median <span class="inline-formula">=</span> 0.25 m s<span class="inline-formula">⁻¹</span>). …”
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Development of a high-order global dynamical core using the discontinuous Galerkin method for an atmospheric large-eddy simulation (LES) and proposal of test cases: SCALE-DG v0.8.0 by Y. Kawai, H. Tomita, H. Tomita

“…By conducting several tests with various polynomial (<span class="inline-formula"><i>p</i></span>) orders, the impact of the high-order DGM on the accuracy of the numerical simulations of atmospheric flows was investigated. …”
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Measurement report: Exploring the variations in ambient BTEX in urban Europe and their environmental health implications by X. Liu, X. Zhang, M. Dufresne, T. Wang, L. Wu, R. Lara, R. Seco, M. Monge, A. M. Yáñez-Serrano, A. M. Yáñez-Serrano, A. M. Yáñez-Serrano, M. Gohy, P. Petit, A. Chevalier, M.-P. Vagnot, Y. Fortier, A. Baudic, V. Ghersi, G. Gille, L. Lanzi, V. Gros, L. Simon, H. Héllen, S. Reimann, Z. Le Bras, M. J. Müller, D. Beddows, S. Hou, Z. Shi, R. M. Harrison, W. Bloss, J. Dernie, S. Sauvage, P. K. Hopke, P. K. Hopke, X. Duan, T. An, A. C. Lewis, J. R. Hopkins, E. Liakakou, N. Mihalopoulos, N. Mihalopoulos, X. Zhang, A. Alastuey, X. Querol, T. Salameh

“…<p>BTEX (benzene, toluene, ethylbenzene, and <span class="inline-formula"><i>m</i></span>-xylene,<span class="inline-formula"><i>p</i></span>-xylene, and <span class="inline-formula"><i>o</i></span>-xylene) are significant urban air pollutants. …”
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Effect of supplemental dietary phytogenic blends on growth performance, jejunal histomorphometry, and jejunal immunity of broiler chickens by A. Ceylan, P. Saçaklı, Ö. Özgenç Çınar, M. S. Ramay, U. Ahsan, U. Ahsan, J. A. Harijaona, A. G. Bayraktaroğlu, F. Manghebati, A. Calik

“…Moreover, no major treatment effects were observed on mRNA abundances of cytokines (IL-1<span class="inline-formula"><i>β</i></span>, IL-6, and TNF<span class="inline-formula"><i>α</i></span>). …”
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Evidence of slow millennial cliff retreat rates using cosmogenic nuclides in coastal colluvium by R. Bossis, R. Bossis, V. Regard, S. Carretier, S. Choy

“…We test this approach along the Mediterranean coast of the eastern Pyrenees (<span class="inline-formula"><i>n</i>=8</span>) and the desert coast in southern Peru (<span class="inline-formula"><i>n</i>=3</span>). …”
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A two-step geospace storm as a new tool of opportunity for experimentally estimating the threshold condition for the formation of a substorm current wedge by L. F. Chernogor

“…The northward component of the geomagnetic field, <span class="inline-formula"><i>X</i></span>, exhibited the greatest perturbations at all latitudes in both hemispheres as the level of strength fluctuations decreased with decreasing latitude. …”
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Towards a high-quality in situ observation network for oxygenated volatile organic compounds (OVOCs) in Europe: transferring metrological traceability to the field by M. Iturrate-Garcia, T. Salameh, P. Schlauri, A. Baldan, M. K. Vollmer, E. Stratigou, S. Dusanter, J. Li, S. Persijn, A. Claude, R. Holzinger, C. Sutour, T. Macé, Y. Elshorbany, A. Ackermann, C. Pascale, S. Reimann

“…For the working standards based on certified spiked whole-air samples in pressurised cylinders, results showed a good agreement among the laboratories (i.e. differences within the measurement expanded uncertainty (<span class="inline-formula"><i>U</i></span>) ranging between 0.5 and 3.3 <span class="inline-formula">nmol mol⁻¹</span>) and with the certified amount of substance fraction for acetaldehyde (15.7 nmol mol<span class="inline-formula">⁻¹</span> <span class="inline-formula">±</span> 3.6 (<span class="inline-formula"><i>U</i></span>) nmol mol<span class="inline-formula">⁻¹</span>), acetone (17 nmol mol<span class="inline-formula">⁻¹</span> <span class="inline-formula">±</span> 1.5 (<span class="inline-formula"><i>U</i></span>) nmol mol<span class="inline-formula">⁻¹</span>) and MEK (12.3 nmol mol<span class="inline-formula">⁻¹</span> <span class="inline-formula">±</span> 2.3 (<span class="inline-formula"><i>U</i></span>) nmol mol<span class="inline-formula">⁻¹</span>). …”
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Chemical composition of the discharge fluid from IDDP-2, Reykjanes, Iceland by I. Galeczka, I. Galeczka, F. Óskarsson, K. G. Mesfin, J. E. Jónsson

“…Additional research is required to evaluate if the discharge of the well has a signature of a fluid that originates at depths corresponding to supercritical conditions of seawater (<span class="inline-formula"><i>T</i></span> <span class="inline-formula">&gt;</span> 403 °C, <span class="inline-formula"><i>P</i></span> <span class="inline-formula">&gt;</span> 285 bar).…”
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The surface tension and cloud condensation nuclei (CCN) activation of sea spray aerosol particles by J. Kleinheins, N. Shardt, U. Lohmann, C. Marcolli

“…In a sensitivity study we show that organic compounds can be categorized into weak, intermediate, and strong surfactants for CCN activation based on their separation factor in water <span class="inline-formula"><i>S</i>_1<i>i</i></span> and their pure component surface tension <span class="inline-formula"><i>σ</i>_<i>i</i></span>. …”
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Global decadal measurements of methanol, ethene, ethyne, and HCN from the Cross-track Infrared Sounder by K. C. Wells, D. B. Millet, J. F. Brewer, V. H. Payne, K. E. Cady-Pereira, R. Pernak, S. Kulawik, S. Kulawik, C. Vigouroux, N. Jones, E. Mahieu, M. Makarova, T. Nagahama, I. Ortega, M. Palm, K. Strong, M. Schneider, D. Smale, R. Sussmann, M. Zhou

“…The CrIS data are well correlated with ground-based Network for the Detection of Atmospheric Composition Change (NDACC) retrievals for methanol (<span class="inline-formula"><i>r</i></span> <span class="inline-formula">=</span> 0.77–0.84); HCN and ethyne exhibit lower correlations (<span class="inline-formula"><i>r</i></span> <span class="inline-formula">=</span> 0.36–0.44 and 0.56–0.65, respectively) with an apparent 40 % CrIS–NDACC disparity for ethyne. …”
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Review of gridded climate products and their use in hydrological analyses reveals overlaps, gaps, and the need for a more objective approach to selecting model forcing datasets by K. R. Mankin, S. Mehan, T. R. Green, D. M. Barnard, D. M. Barnard

“…Gridded datasets built on ground-based observations (G; <span class="inline-formula"><i>n</i>=</span> 20), satellite imagery (S; <span class="inline-formula"><i>n</i>=</span> 20), and/or reanalysis products (R; <span class="inline-formula"><i>n</i>=</span> 23) are compiled and described, with focus on the characteristics that hydrologic investigators may find useful in discerning acceptable datasets (variables, coverage, resolution, accessibility, and latency). …”
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Efficiency metrics for ocean alkalinity enhancements under responsive and prescribed atmospheric <i>p</i>CO₂ conditions by M. D. Tyka

“…In this paper it is shown that, even for very small OAE deployments, which do not substantially change atmospheric <span class="inline-formula"><i>p</i>CO₂</span>, the change in oceanic <span class="inline-formula">CO₂</span> inventories differs significantly between these methods due to atmospheric feedback causing some ocean <span class="inline-formula">CO₂</span> off-gassing. …”
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