11 datasets found
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Federal
In Situ Carbon Dioxide, Methane, and Carbon Monoxide Mole Fractions from the Los Angeles Megacity Carbon Project
National Institute of Standards and Technology —
NOTE: please see the latest (April 2025) update at https://doi.org/10.18434/mds2-3814 . Hourly observations of carbon dioxide (CO2) and methane (CH4) mole fractions... -
Federal
Calculated Diffusivities for Water Isotopologues in Carbon Dioxide, Nitrogen, and the Atmosphere of Mars, and for Methane Isotopologues in Nitrogen Representing the Atmosphere of Titan
National Institute of Standards and Technology —
Values are computed for the dilute-gas diffusivity of water isotopologues in N2, CO2, and their mixture at a composition representing the atmosphere of Mars, for... -
Federal
Model output associated with "Inter-comparison of Atmospheric Trace Gas Dispersion Models: Barnett Shale Case Study", Atmospheric Chemistry and Physics, 2019.
National Institute of Standards and Technology —
Please refer to the publication, particularly the information in the Supplementary Information, for details on the model configuration.Footprint files:Footprints... -
Federal
Data associated with publication titled "SINGLE-MODULATOR, DUAL COMB SERRODYNE SPECTROSCOPY" as published in Optics Letters, 49(14): 3878-3881 (2024).
National Institute of Standards and Technology —
Data associated with publication titled "SINGLE-MODULATOR, DUAL COMB SERRODYNE SPECTROSCOPY" as published in Optics Letters, 49(14): 3878-3881 (2024). -
Federal
SRM 1721 Southern Oceanic Air (Ambient Nominal Amount-of-Substance Fraction: Carbon Dioxide, Methane, Nitrous Oxide)
National Institute of Standards and Technology —
Standard Reference Material-1721: Southern Oceanic Air. Ambient Nominal Amount of Substance Fraction for Carbon Dioxide, Methane & Nitrous Oxide. This Standard... -
Federal
Data for "Evaluating CO2 and CH4 absorption models with open-path dual-comb spectroscopy"
National Institute of Standards and Technology —
Open-path near-IR dual-comb spectra collected at Mauna Loa Observatory in spring 2021, fit with different absorption models (eg HITRAN) and compared against NOAA... -
Federal
In situ methane mole fraction observations from three sites in the Washington DC region from the NIST Northeast Corridor Project: January 2015 - December 2022
National Institute of Standards and Technology —
Methane (CH4) mole fraction data collected from three tower sites in the Washington DC area: Bucktown, MD (BUC, ghg01), Stafford, VA (SFD, ghg65), and Thurmont, MD... -
Federal
Data associated with "Ground-Based, Integrated Path Differential Absorption LIDAR Measurement of CO2, CH4, and H2O near 1.6 μm" published in Applied Optics 53, 6292-6310 (2016).
National Institute of Standards and Technology —
Data associated with "Ground-Based, Integrated Path Differential Absorption LIDAR Measurement of CO2, CH4, and H2O near 1.6 μm" published in Applied Optics 53,... -
Federal
Methane mole fraction measurements in the Northeast Corridor: Baltimore/Washington DC: Jan 1 2016 - Dec 31 2016
National Institute of Standards and Technology —
Hourly methane mole fraction data collected from four tower sites in the Washington DC and Baltimore MD region as part of NIST's Northeast Corridor project. Dataset... -
Federal
A high-resolution sectoral inventory for use in inverse modelling of New York City methane emissions
National Institute of Standards and Technology —
These files represent four different versions of a high resolution (0.02° x 0.02°) methane emissions inventory covering the New York-Newark urban area and its... -
Federal
Data for: "Apportionment and Inventory Optimization of Agriculture and Energy Sector Methane Emissions using Multi-month Trace Gas Measurements in Northern Colorado"
National Institute of Standards and Technology —
This dataset contains 1) the methane, ethane, ammonia, and water mixing ratio time series recorded at the Platteville Atmospheric Observatory site, 2) the hourly mean...
11 datasets found