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28 results for “brown carbon”
Figure data for "Detection of tar brown carbon with the single particle soot photometer (SP2)"
<p>Data contained in Figures 2 and 4 of Corbin and Gysel-Beer 2019. https://doi.org/10.5194/acp-2019-568</p>
Quantifying the light-absorption properties and molecular composition of brown carbon aerosol from sub-Saharan African biomass combustion
<div> <p>Data presented in figures of the peer-reviewed journal article "Quantifying the light-absorption properties and molecular composition of brown carbon aerosol from sub-Saharan African biomass combustion" by Moschos et al.</p> <p>Disclaimer: Please contact the dataset creator prior to inclusion of data in any upcoming publication.</p> </div>
Survey used and data gathered for research into adoption of carbon management strategies amongst universities E Lewis-Brown et al 2022
<p>Survey used and data gathered for research into adoption of carbon management strategies amongst universities 2022, which forms part of a PhD thesis and will be submitted for publication in a journal. </p>
Tracking the photomineralization mechanism in irradiated lab-generated and field-collected brown carbon samples and its effect on cloud condensation nuclei abilities
<p>Data set of the data presented in figures and tables in our manuscript on the photomineralization of brown carbon samples: ammonium sulfate-methylglyoxal solutions, Suwannee River fulvic acid isolates, firewood smoke and ambient aerosols from Padua, Italy.</p>
Text-fig. 3. Cave deposits exposed in Section No. 2 and recorded paleomagnetic polarities. 1 – reworked deposits; 2 – clayey silt, light brown with abundant black dots, structureless; 3 – clayey silt to silty clay, brown, chaotically deposited; 4 – clayey silt, light brown, structureless; 5 – clayey silt, light brown, laminated; 6 – clayey silt to silty clay, brown, structureless; 7 – clayey silt to silty clay, light brown, structureless; 8 – clayey silt, brown with abundant white carbonate clasts; 9 – clayey sandy silt, brown with abundant lighter clayey fragments; 10 – clayey sandy silt, brown with sporadic lighter clayey fragments. Geomagnetic polarity scale: black (N) – normal polarities, white (R) – reversed polarities, grey – intermediate or uninterpretable polarities. For more details see text. in New Updated Results Of Paleomagnetic Dating Of Cave Deposits Exposed In Za Hájovnou Cave, Javoříčko Karst
Text-fig. 3. Cave deposits exposed in Section No. 2 and recorded paleomagnetic polarities. 1 – reworked deposits; 2 – clayey silt, light brown with abundant black dots, structureless; 3 – clayey silt to silty clay, brown, chaotically deposited; 4 – clayey silt, light brown, structureless; 5 – clayey silt, light brown, laminated; 6 – clayey silt to silty clay, brown, structureless; 7 – clayey silt to silty clay, light brown, structureless; 8 – clayey silt, brown with abundant white carbonate clasts; 9 – clayey sandy silt, brown with abundant lighter clayey fragments; 10 – clayey sandy silt, brown with sporadic lighter clayey fragments. Geomagnetic polarity scale: black (N) – normal polarities, white (R) – reversed polarities, grey – intermediate or uninterpretable polarities. For more details see text.
Dataset for combined influences of sources and atmospheric bleaching on light absorption of water-soluble brown carbon aerosols
<p>This dataset provides the mass-absorption cross section at 365 nm and the corresponding absorption Ångström exponent, carbon isotope (13C and 14C) signature of water-soluble organic carbon, and OC, EC and WS-BrC concentration for aerosol samples collected in East Asia. The PM2.5 samples were collected simultaneously during the winter period (January 2014) from the representative hotspot regions of BrC emissions in E. Asia, including in the Beijing-Tianjin-Hebei (BTH) area, Yangtze River Delta (YRD), Pearl River Delta (PRD), Sichuan (SC) province and SE Yellow Sea regional receptor site — the Korea Climate Observatory at Gosan (KCOG). The earlier published data in E. and S. Asia, such as KCOG, urban city Delhi, Bangladesh Climate Observatory at Bhola Island (BCOB) in the outflow region of the Indo-Gangetic Plain and Maldives Climate Observatory at Hanimaadhoo Island (MCOH) in the Indian Ocean are from corresponding references (see the annotation in each sheet).</p> <p>Please cite Wenzheng Fang, August Andersson, Meehye Lee, Mei Zheng, Ke Du, Sang-Woo Kim, Henry Holmstrand and Örjan Gustafsson (2023): Combined influences of sources and atmospheric bleaching on light absorption of water-soluble brown carbon aerosols. npj Climate and Atmospheric Science. </p>
Accurate observation of black and brown carbon in atmospheric fine particles via a versatile aerosol concentration enrichment system (VACES)
<p>The processed data used to prepare the paper.</p>
Data for the journal article "Brown Carbon from Biomass Burning Imposes Strong Circum-Arctic Warming"
<p>The data for the 3 figures in the journal article "Brown Carbon from Biomass Burning Imposes Strong Circum-Arctic Warming"</p>
Constraining light absorption of brown carbon in China and implications for aerosol direct radiative effect
<p><span>B</span><span>rown carbon (</span><span>BrC) in China is of great interest to the regional and global climate due to its strong absorption of sunlight. However, </span><span>the contribution of BrC to total </span><span>carbonaceous </span><span>aerosol light absorption and its direct radiative effects (DRE) in China remains largely uncertain. To better assess its climate impact in China, we develop an explicit BrC scheme and implement it in a global climate model, which includes optical parameters of primary BrC derived from local measurements, secondary BrC absorption, and a photobleaching parameterization of BrC. By comparing with multi-type observational data, we find that with the implementation of this scheme, the model captures the seasonal variations of BrC light absorption well in China. The model estimates that </span><span>BrC contributes </span><span>19</span><span>% and </span><span>12</span><span>% to the total light absorption of carbonaceous aerosol in China in winter and summer, resulting in 0.</span><span>110</span><span> W m<sup>-2</sup> and 0.</span><span>205</span><span> W m<sup>-2</sup> of DRE, respectively.<span> </span></span></p>
Singlet oxygen production from molecules present in brown carbon
<p>Data related to the quantification of singlet oxygen, the first excited state of molecule O<sub>2</sub>, using furfuryl alcohol as a probe. There are two files: the first tabulates the measurements of furfuryl alcohol decay measured by HPLC and the second records the absorbance measurements of the sensitizers.</p>
Secondary brown carbon from photooxidation of 1-methylnaphthalene and longifolene
Open the record for dataset details and reuse information.
A new method for eliminating dust effects when quantifying the light absorption properties of brown carbon
<p>Accurate quantification of the absorption properties of brown carbon (BrC) aerosols is crucial to assess the Earth-atmosphere radiative impacts of BrC. However, the BrC absorption properties were often misestimated in field observations, due to neglecting the contribution of dust absorption. This study solved this problem by coupling a method for calculating the dust concentration into the traditional model for quantifying BrC absorption. The results show that dust absorption was up to 16.8% of the sum of BrC and dust absorption in northwestern China. The potential contribution of dust to the sum of BrC and dust absorption was significantly higher in the Asia-located studies (0.4−16.8%) than in the Americas-located (<1.2%) and Europe-located (<2.3%) studies. This work underscores the necessity of eliminating the negative effect of dust in BrC quantitative model. It prompts us to revisit the BrC absorption properties resolved by previous studies, especially in dust-influenced areas such as Asia.</p> <p>The data file contains data from the AE31 aethalometer, aerodynamic particle sizer spectrometer (APS), tapered element oscillating microbalance machine (TEOM), and high-resolution time-of-flight aerosol mass spectrometer (HR-ToF-AMS) used in this study, as well as data from each figure in this study.</p>
Dataset for "Effects of Copper on the Chemical Kinetics and Brown Carbon Formation in the Aqueous ∙OH oxidation of Phenolic Compounds"
<p>This is the dataset for "Effects of Copper on the Chemical Kinetics and Brown Carbon Formation in the Aqueous ∙OH oxidation of Phenolic Compounds" (Submitted to ESPI). </p>
Data for Organosulfur Compounds: An Non-negligible Component Affecting the Light Absorption of Brown Carbon during North China Haze Events
<p>This is the data used in manuscript of "Organosulfur Compounds: An Non-negligible Component Affecting the Light Absorption of Brown Carbon during North China Haze Events"</p>
Original data for brown carbon radiative effect in China
<p>This page will show all original data and codes used in analysis during the submission of the revised manuscript.</p>
Optical and chemical properties of brown carbon aerosols at Fukue Island in 2019-2020
Open the record for dataset details and reuse information.
Dataset for light absorption parameter and molecular composition of atmospheric brown carbon in Xi'an
<p>This is the raw data for light absorption parameter and molecular composition of atmospheric brown carbon in Xi'an.</p>
Data for Measurement report: Diurnal variations of brown carbon during two distinct seasons in a megacity in Northeast China
<p>Data described in the manuscript "Measurement report: Diurnal variations of brown carbon during two distinct seasons in a megacity in Northeast China" submitted to Atmospheric Chemistry and Physics</p>
Molecular characterization of brown carbon chromophores in atmospherically-relevant samples and their gas-particle distribution and diurnal variation in the atmosphere
<p>This file include all data given in the figures in our manuscript submitted to JGR-Atmosphere</p>
Organic Matrix Effect on the Molecular Light Absorption of Brown Carbon
<p>Data for article <em>Organic Matrix Effect on the Molecular Light Absorption of Brown Carbon</em>, including the raw intensity extracted from mass spectrum data, time-serial and categorial for organic molecules, and calculated organic matrix effect for light absorption.</p>
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.