Articles with "total column" as a keyword



Accuracy of satellite total column ozone measurements in polar vortex conditions: Comparison with ground-based observations in 1979–2013

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Published in 2018 at "Remote Sensing of Environment"

DOI: 10.1016/j.rse.2018.02.054

Abstract: Abstract This study presents the first detailed long-term analysis of satellite and ground-based Dobson, Brewer, SAOZ (Systeme D'Analyse par Observations Zenithales) and DOAS (Differential Optical Absorption Spectrometer) measurements inside the Antarctic vortex for the 1979–2013… read more here.

Keywords: satellite; ground; ground based; total column ... See more keywords

Total Column Water Vapor From INSAT-3D: Assessments With Ground-Based GNSS Receivers and GMI Datasets at Different Temporal Scales

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Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"

DOI: 10.1109/tgrs.2022.3200716

Abstract: The quality of the total column water vapor (TCWV) data retrieved from the Indian national satellite (INSAT) system series (INSAT-3D) and its variation at different temporal scales have been evaluated. The reference TCWV dataset is… read more here.

Keywords: column water; gnss; total column; temporal scales ... See more keywords

An Approach to Estimate Atmospheric Greenhouse Gas Total Columns Mole Fraction from Partial Column Sampling

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Published in 2018 at "Atmosphere"

DOI: 10.3390/atmos9070247

Abstract: This study presents a new conceptual approach to estimate total column mole fractions of CO2 and CH4 using partial column data. It provides a link between airborne in situ and remote sensing observations of greenhouse… read more here.

Keywords: approach estimate; total column; mole fraction; column ... See more keywords

Global and Hemispherical Interannual Variation of Total Column Ozone from TOMS and OMI Data

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Published in 2017 at "Applied Categorical Structures"

DOI: 10.4236/acs.2017.73017

Abstract: Daily Total Column Ozone (TCO) measurements compiled from Total Ozone Mapping Spectrometer (TOMS) and Ozone Monitoring Instruments (OMI) were used to analyze the global and hemispherical TCO interannual variations. Two periods of TCO measurements were… read more here.

Keywords: global hemispherical; total column; column ozone; toms omi ... See more keywords
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Analysis of Long Term Variation of the Total Column and Tropospheric Ozone over the Indian Region

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Published in 2021 at "Applied Categorical Structures"

DOI: 10.4236/acs.2021.111013

Abstract: Ozone plays a significant part in regulating climate change and the chemical characteristics of the atmosphere. Changes in atmospheric ozone can be studied in more detail using ground-based and satellite-based instruments. Studies on the long-term… read more here.

Keywords: tropospheric ozone; column ozone; long term; ozone ... See more keywords

Constraining fossil fuel CO 2 emissions from urban area using OCO-2 observations of total column CO 2

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Published in 2017 at "Atmospheric Chemistry and Physics"

DOI: 10.5194/acp-2017-1022

Abstract: Abstract. Expanding urban populations and the significant contribution of cities to global fossil-fuel CO2 (CO2ff) emissions emphasize the necessity of achieving independent and accurate quantifications of the emissions from urban area. In this paper, we… read more here.

Keywords: total column; area; fossil fuel; urban area ... See more keywords

Decreases in wintertime total column ozone over the Tibetan Plateau during 1979–2017

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Published in 2019 at "Atmospheric Chemistry and Physics"

DOI: 10.5194/acp-2019-710

Abstract: Abstract. We use the ozone dataset from the Copernicus Climate Change Service (C3S) during 1979–2017 to investigate the long-term variations of the total column ozone (TCO) and the relative total ozone low (TOL) over the… read more here.

Keywords: 1979 2017; total column; column ozone; hpa ... See more keywords
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Evaluating consistency between total column CO2 retrievals from OCO-2 and the in situ network over North America: implications for carbon flux estimation

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Published in 2021 at "Atmospheric Chemistry and Physics"

DOI: 10.5194/acp-21-14385-2021

Abstract: Abstract. Feedbacks between the climate system and the carbon cycle represent a key source of uncertainty in model projections of Earth's climate, in part due to our inability to directly measure large-scale biosphere–atmosphere carbon fluxes.… read more here.

Keywords: total column; co2; flux estimation; surface ... See more keywords

Mapping the CO2 total column retrieval performance from shortwave infrared measurements: synthetic impacts of the spectral resolution, signal-to-noise ratio, and spectral band selection

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Published in 2024 at "Atmospheric Measurement Techniques"

DOI: 10.5194/amt-17-5373-2024

Abstract: Abstract. Satellites have been providing spaceborne observations of the total column of CO2 (denoted XCO2) for over two decades now, and, with the need for independent verification of Paris Agreement objectives, many new satellite concepts… read more here.

Keywords: spectral band; spectral resolution; resolution; performance ... See more keywords

Seasonal variation of total column formaldehyde, nitrogen dioxide, and ozone over various Pandora spectrometer sites with a comparison of OMI and diurnally varying DSCOVR-EPIC satellite data

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Published in 2025 at "Atmospheric Measurement Techniques"

DOI: 10.5194/amt-18-4165-2025

Abstract: Abstract. Observations of trace gases, such as O3, HCHO, and NO2, and their seasonal dependence can be made using satellite and ground-based data from the Ozone Monitoring Instrument (OMI) satellite and Pandora ground-based instruments. Both… read more here.

Keywords: nitrogen dioxide; column; total column; seasonal dependence ... See more keywords