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156 results for “troposphere”
Diurnal evolution of negative atmospheric ions above the boreal forest: From ground level to the free troposphere
<p>The data used in the publication is available for download. The unit of the data can be found in the header of the csv files. Please note, that the mass spectrometer data is in UTC+3 time, the rest of the data in UTC+2 time.</p>
UCI CTM model simulations used for deriving the spillover of tropospheric ozone into the stratosphere
<p>The world has made great strides in phasing out the halocarbons that drive ozone loss, such as the chlorofluorocarbons 11 and 12. While living with the well-documented depletion of the ozone layer, we are now watching the slow recovery (increase) of stratospheric ozone over this century after our phaseout of halocarbon production and use. Projecting this recovery date also depends on the impact of other changing greenhouse gases on stratospheric chemistry as well as changes in tropospheric ozone. Both observations and models identify tropospheric ozone as increasing due to air-quality pollution in the lower atmosphere. Here, using a global chemistry-transport model, we find that this ozone increase carries over into the stratosphere at rates affecting the recovery expected from the decay of atmospheric halocarbons. This process is inherently included in our chemistry-climate models but is not diagnosed as such. The ozone assessments need to consider that what happens in the troposphere does not stay in the troposphere, complicating our interpretation of ozone changes over this century.</p>
Replication of manuscript entitled "Multi-decadal climate variability and satellite biases have amplified model-observation discrepancies in tropical troposphere warming estimates"
<p>Replication of manuscript entitled "Multi-decadal climate variability and satellite biases have amplified model-observation discrepancies in tropical troposphere warming estimates".</p> <p>This page contains datasets used to replicate figures in a manuscript entitled "Multi-decadal climate variability and satellite biases have amplified model-observation discrepancies in tropical troposphere warming estimates". These ascii or netcdf files can be easily read by NCL, Fortran and others.</p> <p> </p>
Supporting data for: Ozone Formation Sensitivity to Precursors and Lightning in the Tropical Troposphere Based on Airborne Observations
<p>We provide here the supporting data for our study on ozone formation sensitivity in the upper tropical troposphere based on in situ observations. </p>
Role of Troposphere-Convection-Land Coupling in the Southwestern Amazon Precipitation Bias of the Community Earth System Model version 1 (CESM1)
<p>Necessary outputs and scripts for recreating the figures for the journal article with the same title.</p>
Investigation of satellite vertical sensitivity on long-term retrieved lower tropospheric ozone trends
<p>Regional time-series (monthly mean) of lower tropospheric column ozone (LTCO3; 0-6 km or surface to 450 hPa) between 2008 and 2017 from three satellite products and an Earth System Model (UKESM1.0 - https://ukesm.ac.uk/). The regions of focus are North America, Europe and East Asia based on the HTAP-2 land mask (https://htap.org/). The three satellite products are from the Ozone Monitoring Instrument (OMI) (RAL Space - https://www.ralspace.stfc.ac.uk/Pages/Remote-Sensing.aspx), the Infrared Atmospheric Sounding Interferometer (IASI) FORLI (Fast Optimal Retrievals on Layers for IASI) scheme (https://iasi.aeris-data.fr/cos_iasi_b_arch/) and the IASI SOFRID (SOftware for Fast Retrievals of IASI Data) scheme (https://iasi-sofrid.sedoo.fr/). These data have been used to investigate long-term trends and investigation of satellite long-term discrepancies in retrieved LTCO3. The pre-print of the relevant manuscript can be found at https://doi.org/10.5194/egusphere-2023-3109. </p>
New particle formation from isoprene under upper-tropospheric conditions: data sources
<p>Data resources for manuscript: "<strong>New particle formation from isoprene under upper-tropospheric conditions</strong>"</p>
Data used in "Revealing dominant patterns of aerosols regimes in the lower troposphere and their evolution from preindustrial times to the future in global climate model simulations" (Li et al., Atmos. Chem. Phys. 2024)
<p>This dataset contains the processed EMAC simulation used as input to the clustering algorithm and the resulting regimes discussed in Li et al. (<em>Atmos. Chem. Phys.</em>, 2024).</p>
Trajectory-mapped Ozonesonde dataset for the Stratosphere and Troposphere, version 2 (TOST-v2)
<p>Trajectory-mapped Ozonesonde dataset for the Stratosphere and Troposphere, version 2 (TOST-v2) is improved and updated from 1970-2021 with seasonal, annual and decadal-monthly ozone climatology. TOST-v2 is provided on a grid of 5º × 5º × 1 km (latitude, longitude, and altitude) at 26 altitude levels in two altitude coordinates (by geometric levels and pressure levels), from two altitude starting levels (altitude above sea level and altitude above ground level), for three temporal resolutions (in the seasonal mean for each year, the annual means for each year from 1970 to 2021, and monthly means for each decade from the 1970s to the 2010s) and with three types of data fields (trop-stra, troposphere-only, and stratosphere-only) for users’ convenience. In addition, TOST-v2 also generated the corresponding datasets that show ozone variation at 3 percentile levels (25, 50 and 75th). Details of this dataset can be found in the data description file.</p> <p>If you use TOST dataset for related scientific research, please cite the below-listed corresponding reference (Liu et al., 2013a, b; Zang et al., 2024):</p> <ul> <li>Liu, G., Liu, J., Tarasick, D., Fioletov, V., Jin, J., Moeini, O., Liu, X., Sioris, C., and Osman, M.: A global tropospheric ozone climatology from trajectory-mapped ozone soundings, Atmospheric Chemistry and Physics, 13, 10659-10675, 2013a.</li> <li>Liu, J., Tarasick, D., Fioletov, V., McLinden, C., Zhao, T., Gong, S., Sioris, C., Jin, J., Liu, G., and Moeini, O.: A global ozone climatology from ozone soundings via trajectory mapping: a stratospheric perspective, Atmospheric Chemistry and Physics, 13, 11441-11464, 2013b.</li> <li>Zang, Z., Liu, J., Tarasick, D., Moeini, O., Bian, J., Zhang, J., Thompson, A. M., Van Malderen, R., Smit, H. G. J., Stauffer, R. M., Johnson, B. J., and Kollonige, D. E.: An improved Trajectory-mapped Ozonesonde dataset for the Stratosphere and Troposphere (TOST): update, validation and applications, Atmospheric Chemistry and Physics, accepted, 2024.</li> </ul>
Supporting datasets used in the paper entitled "Increasing Arctic dust suppresses the reduction of ice nucleation in the Arctic lower troposphere by warming"
<p>This archive contains datasets used in the paper entitled "Increasing Arctic dust suppresses the reduction of ice nucleation in the Arctic lower troposphere by warming".</p>
Real-time GNSS troposphere products: ZTD and gradients - hurricane Lorenzo case study
<p>This dataset contains multi-GNSS real-time products, i.e. ECEF coordinates, zenith total delay (ZTD), and horizontal gradients, together with their uncertainties estimated every 1 minute for a subset of EPN stations during two test periods (21 days long each):</p> <p>1) Day of year (DoY) 201 - 221, 2019</p> <p>2) DoY 266 - 286, 2019.</p> <p>The processing strategy can be found in https://link.springer.com/article/10.1007/s10291-020-01014-w, under to "advanced strategy" configuration.</p> <p>For convenience, products are stored in 2 formats (but each contains identical data):</p> <p>1. Self-explanatory netCDF format (https://www.unidata.ucar.edu/software/netcdf/docs/file_format_specifications.html), which follows the parameter naming convention of the troposphere SINEX v2 format: https://www.pecny.cz/WWW_FIL/TRO-SINEX/old/sinex_tro_2017-05-28-JD.pdf. Each file contains data for all stations but only for one test period.</p> <p>2. Semicolon delimited text files, with a self-explanatory header line. Each file contains daily products for one station.</p>
Late summer transition from a free-tropospheric to boundary layer source of Aitken mode aerosol in the high Arctic, model data
<p>This dataset contains model output that was used in the publication "Late summer transition from a free-tropospheric to boundary layer source of Aitken mode aerosol in the high Arctic" (Price et al., 2022, in prep).</p> <p> </p> <p>The output is from the UK Earth System Model run in atmosphere-only configuration at N96 resolution. Output is between September 2016 - December 2018 and is given variously as 3D monthly means, surface 3-hourly means, and 3D 2-hourly instantaneous values, depending on the variable in question.</p>
Targeted Balloon Observations of Stratosphere-to-Troposphere Transport From a Mesoscale Convective System
<p>Data used for analysis in the JGR-Atmospheres Paper Targeted Balloon Observations of Stratosphere-to-Troposphere Transport From a Mesoscale Convective System. Files include ozonesonde data, gridded radar data, and backward trajectory calculations. </p>
Evaluation of the stratospheric contribution to the inter-annual variabilities of tropospheric methane growth rates
<p>Input invariant emission inventory, OH field and the stratospheric loss field in fixed-budget simulation </p> <p> </p>
Dataset and supporting materials of "Numerical simulation of orographic gravity waves observed over Syowa Station. Part 1: Wave propagation and breaking in the troposphere and lower stratosphere" by Kohma et al.
<p>Dataset and supporting materials of "Numerical simulation of orographic gravity waves observed over Syowa Station. Part 1: Wave propagation and breaking in the troposphere and lower stratosphere" by Kohma, M., K. Sato, D. C. Fritts, & T. S. Lund.</p>
UCI CTM model simulations used for deriving the spillover of tropospheric ozone into the stratosphere
Open the record for dataset details and reuse information.
Data to support: Anthropogenic influence on tropospheric reactive bromine since the pre-industrial: Implications for ice-core bromine trends
Open the record for dataset details and reuse information.
Data from: Dust settling from turbulent layers in the free troposphere: Implications for the Saharan Air Layer
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Heterogeneity and chemical reactivity of the remote Troposphere defined by aircraft measurements
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Mixing ratios of sulfur hexafluoride (SF6) in the upper troposphere
<p>The dataset contains observations of of sulfur hexafluoride (SF6) in the upper troposphere. Measurements were performed with gas chromatopgraphy coupled with electron capture detectors either employing airborne fast in-situ onboard instrumentation or offline post-flight analysis based on airborne flask sample collection. Mixing ratios are reported on the WMO X2014 scale. Accompanying data comprise measurements of maxing ratios of carbon monoxide, nitrous oxide, and ozone. Data were attributed to the upper troposphere (as opposed to the lowermost stratosphere) based on these three compounds as decribed in </p><p><strong>Schuck, T. J., Degen, J., Hintsa, E., Hoor, P., Jesswein, M., Keber, T., Kunkel, D., Moore, F., Obersteiner, F., Rigby, M., Wagenhäuser, T., Western, L. M., Zahn, A., and Engel, A.: The interhemispheric gradient of SF6 in the upper troposphere, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2023-1824, 2023</strong>. </p><p>Observations were performed during the following aircraft research missions:</p><p><strong>IAGOS-CARIBIC (CARIBIC-2), http://www.caribic-atmospheric.com/ (instrument caribic_lab_GC_ECD)</strong><br><strong>HALO (A-DLR) missions TACTS (2012) and SouthTRAC (2019) (instrument ghost_ecd)</strong><br><strong>NASA Atmospheric Tomography Mission (ATom), https://espo.nasa.gov/atom/content/ATom, (instrument atom_ucats)</strong><br><strong>HIAPER Pole-to-Pole Observations (HIPPO), https://www.eol.ucar.edu/content/about-hippo, (instrument hippo_ucats)</strong></p><p> </p>
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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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.