Cirrus cloud radiative forcing

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August undefined, 2024

WebApr 13, 2024 · This cloud radiative forcing is observed partly over the cold tongue in sea surface temperature (SST) in the South China Sea. Numerical simulations with a 1-dimensional slab ocean model suggests that the monsoon-induced UT cloud radiative forcing contributes partially to maintain and reinforce the SST cold tongue with a … WebMay 1, 2024 · Abstract Daytime top-of-the-atmosphere (TOA) cirrus cloud radiative forcing (CRF) is estimated for cirrus clouds observed in ground-based lidar observations at Singapore in 2010 and 2011. Estimates are derived both over land and water to simulate conditions over the broader Maritime Continent archipelago of Southeast Asia. Based on …

Aviation Contrail Cirrus and Radiative Forcing Over Europe During …

WebOne-year of continuous ground-based lidar observations (2012) are analyzed for single-layer cirrus clouds at the NASA Micro Pulse Lidar Network site at the Goddard Space Flight … WebFeb 1, 2024 · Cirrus clouds are ubiquitous, long-lived, high-level ice clouds that exert a considerable global radiative effect on the climate system. This review assesses recent … birth tears

Upper tropospheric cloud‐radiation interaction induced by …

WebJan 1, 2024 · The diurnal variation of cirrus cloud radiative forcing (CRF) is calculated using the Fu-Liou model, involving 96 cirrus profiles per day to represent DCC ci accurately. In each season, the diurnal cycle amplitude of CRF is more than 40 W/m 2 for shortwave (SW), and less than 16 W/m 2 for longwave (LW). WebJan 7, 1999 · I therefore estimate that the trend in cirrus amount over the continental regions of high air traffic (2.9%, as discussed above) would correspond locally to an additional cloud radiative forcing ... WebApr 13, 2024 · This cloud radiative forcing is observed partly over the cold tongue in sea surface temperature (SST) in the South China Sea. Numerical simulations with a 1 … birth tech

Daytime Cirrus Cloud Top-of-the-Atmosphere Radiative …

WebRadiative Properties of Cirrus Clouds . Contrails are ice clouds with radiative effects similar to thin cirrus cloud layers (Liou, 1986; Raschke et al., 1998). At the TOA, thin layers of cirrus clouds or contrails tend to enhance radiative forcing and hence the greenhouse effect because they cause only a small reduction of the downward solar ... WebSep 1, 1994 · @article{osti_85404, title = {Tropical cirrus cloud radiative forcing: Sensitivity studies}, author = {Jensen, E J and Kinne, S and Toon, O B}, abstractNote = {We have performed one dimensional radiative transfer calculations to evaluate the impact of cirrus clouds on the tropical radiation budget. We investigate the sensitivity of solar and … birth teamWebcloud types considered in Chen et al (2000), cirrus clouds (visible optical depth <3.6, cloud top pressure <440 mb) had the greatest impact on top-of-atmosphere (TOA) longwave ﬂuxes and had a global annual mean net warming of +1.3Wm−2. A similar study (Hartmann et al 1992) found a TOA global annual net cloud forcing for cirrus (optical ... birth teddy bears australia

"WebJan 8, 2024 · Abstract Cirrus cloud daytime top-of-the-atmosphere radiative forcing (TOA CRF) is estimated for a 2-yr NASA Micro-Pulse Lidar Network (532 nm; MPLNET) … " - Cirrus cloud radiative forcing

Cirrus cloud radiative forcing

Future warming exacerbated by aged-soot effect on …

WebOct 29, 2010 · [1] Midlatitude cirrus cloud radiative forcing (CRF) values at the tropopause over China are estimated using a radiative transfer model initialized by Earth-orbiting Cloud-Aerosol Lidar with Orthogonal Polarization (CALIOP) and Moderate Resolution Imaging Spectroradiometer (MODIS) measurements. A derived diurnal mean … WebDec 1, 2009 · The radiative effects of tropical thin cirrus clouds were studied on the basis of the retrieved cirrus optical depths, the atmospheric profiles derived from the …

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WebCirrus cloud daytime top-of-the-atmosphere radiative forcing (TOA CRF) is estimated for a 2-yr NASA Micro-Pulse Lidar Network (532 nm; MPLNET) dataset collecte ... We … WebMammatus (also called mamma or mammatocumulus, meaning "mammary cloud") is a cellular pattern of pouches hanging underneath the base of a cloud, typically a cumulonimbus raincloud, although they may be attached to other classes of parent clouds. The name mammatus is derived from the Latin mamma (meaning "udder" or "breast").. …

WebApr 6, 2024 · The COVID-19 pandemic led to a 72% reduction of air traffic over Europe in March–August 2024 compared to 2024. Modeled contrail cover declined similarly, and computed mean instantaneous radiative contrail forcing dropped regionally by up to 0.7 W m −2.Here, model predictions of cirrus optical thickness and the top-of-atmosphere … WebNo. Cirrus radiatus is a variety of cirrus cloud. The name cirrus radiatus is derived from Latin, meaning "rayed, striped". [1] This variety of cirrus clouds occurs in parallel bands …

WebJohannes Quaas, Edward Gryspeerdt, in Aerosols and Climate, 2024. 12.3.3 Challenges in observing aerosol-cloud interactions. The key challenge in determining the magnitude of … WebMammatus (also called mamma or mammatocumulus, meaning "mammary cloud") is a cellular pattern of pouches hanging underneath the base of a cloud, typically a …

WebApr 13, 2024 · Numerical simulations with a 1-dimensional slab ocean model suggests that the monsoon-induced UT cloud radiative forcing contributes partially to maintain and reinforce the SST cold tongue with a tendency of about 0.08 K in 6 days or about 1/6 of one standard deviation of the Cold Tongue Index in December. The latent heat flux due to the ...

WebJul 3, 2024 · Abstract. Anthropogenic aerosols impact cirrus clouds through ice nucleation, thereby changing the Earth's radiation budget. However, the magnitude and sign of … birth testWebCloud-radiative forcing calculations based on Nimbus-7 radiation budget and cloudiness measurements reveal that cloud-induced longwave (LW) warming is dominant over the … birth technology laws australiahttp://people.atmos.ucla.edu/liou/Cirrus_&_Climate.pdf#:~:text=To%20comprehend%20the%20impact%20of%20cirrus%20clouds%20on,to%20calculate%20the%20global%20cirrus%20cloud%20radiative%20forcing. birth territory and midwifery guardianshipWebSep 1, 1994 · If the observed solar cloud forcing in excess of 100 W-m −2 is to be attributed to cirrus anvils alone, then the optical depth of these anvils must be at least 5 (assuming 50% cloud cover and an ice crystal effective radius of 15 µm). The net radiative forcing of cirrus near the tropical tropopause is positive (heating) for cloud optical ... birth testerWebFeb 10, 2024 · Abstract. Cirrus cloud radiative effects are largely affected by ice microphysical properties, including ice water content (IWC), ice crystal number concentration (Ni) and mean diameter (Di). These characteristics vary significantly due to thermodynamic, dynamical and aerosol conditions. In this work, a global-scale observation dataset is … darius emon hicksWebJan 8, 2024 · Abstract Cirrus cloud daytime top-of-the-atmosphere radiative forcing (TOA CRF) is estimated for a 2-yr NASA Micro-Pulse Lidar Network (532 nm; MPLNET) dataset collected at Fairbanks, Alaska. Two-year-averaged daytime TOA CRF is estimated to be between −1.08 and 0.78 W·m−2 (from −0.49 to 1.10 W·m−2 in 2024, and from −1.67 to … darius force snes romWebSep 6, 2024 · Abstract. Cirrus cloud thinning (CCT) is a relatively new radiation management proposal to counteract anthropogenic climate warming by targeting Earth's terrestrial radiation balance. The efficacy of this method was presented in several general circulation model (GCM) studies that showed widely varied radiative responses, … darius extra genesis download