A seven-years based characterisation of aerosol light scattering properties at central european rural site: variability and source apportionment

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F86652079%3A_____%2F22%3A00563760" target="_blank" >RIV/86652079:_____/22:00563760 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00020699:_____/23:N0000013

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

A seven-years based characterisation of aerosol light scattering properties at central european rural site: variability and source apportionment

Popis výsledku v původním jazyce

Atmospheric aerosols have a significant impact on the radiative forcing of Earth's climate, either ndirectly through aerosol-radiative interactions (ARIs), i.e., scattering or absorption of incoming solar and noutgoing infrared radiation, or indirectly through aerosol-cloud interactions (ACIs) (Boucher, 2015, IPCC, n2013, Luoma et al., 2019, Ramanathan et al., 2001). The aerosol radiative forcing of the direct effect nconsists of a warming effect and a cooling effect (Boucher et al., 2013, Charlson et al., 1992, IPCC et al., n2013). The predominant cooling effect results from the scattering of radiation by certain atmospheric naerosols (including sea salts, nitrates, sulfates, mineral and organic matter, etc.) that reduce the amount of nsolar radiation reaching the Earth's surface (IPCC, 2013). This phenomenon offsets the greenhouse effect nand alters the radiation balance (Pandolfi et al., 2018). According to a number of studies, radiative forcing nby aerosols remains one of the main sources of uncertainty in a climate model estimate due to the strong nspatial and temporal variations in chemical and physical properties, short lifetime compared to greenhouse ngasses, and diversity of aerosol sources (Boucher, 2015, Charlson et al., 1992, Lee et al., 2016, Luoma et nal., 2019). These studies are important for a better understanding of local and long-range transport of both nanthropogenic pollutants and natural sources and for unbiased long-term trends. Therefore, we focused on nthe temporal variations and sources of light-scattering aerosols at a rural site in central Europe. The total nlight scattering (σsp) and backscattering (σbsp) coefficients and associated calculated optical properties such nas the Ångstrӧm exponent (SAE), backscattering ratio (b), and asymmetry factor (g) are characterized nconsidering different time scales (annual, seasonal, monthly, weekly, and diurnal).

Název v anglickém jazyce

A seven-years based characterisation of aerosol light scattering properties at central european rural site: variability and source apportionment

Popis výsledku anglicky

Atmospheric aerosols have a significant impact on the radiative forcing of Earth's climate, either ndirectly through aerosol-radiative interactions (ARIs), i.e., scattering or absorption of incoming solar and noutgoing infrared radiation, or indirectly through aerosol-cloud interactions (ACIs) (Boucher, 2015, IPCC, n2013, Luoma et al., 2019, Ramanathan et al., 2001). The aerosol radiative forcing of the direct effect nconsists of a warming effect and a cooling effect (Boucher et al., 2013, Charlson et al., 1992, IPCC et al., n2013). The predominant cooling effect results from the scattering of radiation by certain atmospheric naerosols (including sea salts, nitrates, sulfates, mineral and organic matter, etc.) that reduce the amount of nsolar radiation reaching the Earth's surface (IPCC, 2013). This phenomenon offsets the greenhouse effect nand alters the radiation balance (Pandolfi et al., 2018). According to a number of studies, radiative forcing nby aerosols remains one of the main sources of uncertainty in a climate model estimate due to the strong nspatial and temporal variations in chemical and physical properties, short lifetime compared to greenhouse ngasses, and diversity of aerosol sources (Boucher, 2015, Charlson et al., 1992, Lee et al., 2016, Luoma et nal., 2019). These studies are important for a better understanding of local and long-range transport of both nanthropogenic pollutants and natural sources and for unbiased long-term trends. Therefore, we focused on nthe temporal variations and sources of light-scattering aerosols at a rural site in central Europe. The total nlight scattering (σsp) and backscattering (σbsp) coefficients and associated calculated optical properties such nas the Ångstrӧm exponent (SAE), backscattering ratio (b), and asymmetry factor (g) are characterized nconsidering different time scales (annual, seasonal, monthly, weekly, and diurnal).

Druh

O - Ostatní výsledky

CEP obor

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OECD FORD obor

10509 - Meteorology and atmospheric sciences

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2022

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů