Last edited by Dokinos
Saturday, May 16, 2020 | History

3 edition of An earth longwave radiation climate model found in the catalog.

An earth longwave radiation climate model

# An earth longwave radiation climate model

Subjects:
• Terrestrial radiation -- Mathematical models.,
• Atmospheric temperature -- Mathematical models.

• Edition Notes

The Physical Object ID Numbers Statement Shi-Keng Yang. Series NASA contractor report -- NASA CR-175749. Contributions Langley Research Center. Format Microform Pagination 1 v. Open Library OL15389613M

A simple model of vertical heat transfer and temperature in the Earth's climate system. A simple model of vertical heat transfer and temperature in the Earth's climate system from the lower atmospheric layer. Since a fraction $$\epsilon_2$$ of the longwave radiation emitted downward by the upper atmospheric layer is absorbed by the lower.   Changes in the Earth's greenhouse effect can be detected from variations in the spectrum of outgoing longwave radiation 8,9,10, which is a measure of how the Earth Cited by:

This Climate Data Record (CDR) of monthly mean High Resolution Infrared Radiation Sounder (HIRS) Outgoing Longwave Radiation (OLR) flux at the top of the atmosphere in all sky conditions is on a degree x degree grid with global coverage from January to the present and continuing monthly. For scientists to understand climate change, they must also determine what drives the changes within the Earth's radiation budget. The Clouds and the Earth's Radiant Energy System (CERES) instrument aboard NASA's Aqua and Terra satellites measures the shortwave radiation reflected and longwave radiation emitted into space accurately enough for.

OLR (Outgoing Longwave Radiation) is a measure of the amount of energy emitted to space by earth's surface, oceans and atmosphere. As such, it is a critical component of the earth's radiation budget. In a different context, OLR values are often used as a proxy for convection in tropical and subtropical regions since cloud top temperatures (colder is higher) are an indicator of cloud height.   Disagreement in Earth’s radiation budget between observations and global climate models has been a major concern in the climate community for several decades. Many attempts have been made to explain the observed excess of solar shortwave absorption, which is commonly referred to as anomalous, or excess, absorption.

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An Earth outgoing longwave radiation (OLWR) climate model has been constructed for a monthly average radiation budget study.

Get this from a library. An earth longwave radiation climate model. [Shi-Keng Yang; Langley Research Center.]. Physics of Radiation and Climate takes a look at how the outward flow of longwave or terrestrial radiation is affected by the complexities of the atmosphere’s molecular spectroscopy.

This book examines the planet in its current state and considers the radiation fluxes, including multiple scattering, photochemistry, and the ozone layer, and their impact on our climate by: 5. An Earth outgoing longwave radiation (OLWR) climate model was constructed for radiation budget studies.

The model consists of the upward radiative transfer parameterization of Thompson and Warren, the cloud cover model of Sherr et al., and a monthly average climatology defined by the data from Crutcher and Meserve, and Taljaard et al.

An Earth outgoing longwave radiation (OLWR) climate model has been constructed for radiation budget study. The model consists of the upward radiative transfer parameterization of Thompson and Warren (), the cloud cover model of Sherr et al.

() and a monthly average climatology defined by the data from Crutcher and Meserve () and Taljaard et al. Abstract An Earth outgoing longwave radiation (OLWR) climate model has been constructed for a monthly average radiation budget study.

The model consists of the upward radiative transfer parameteriz Abstract An Earth outgoing longwave radiation (OLWR) climate model has been constructed for a monthly average radiation budget by: 2.

To accurately simulate the present Earth climate requires an atmospheric longwave radiation model whose computed fluxes agree to within ±1% of the only presently available standard, line by line (LBL) calculations. This standard derives from the agreement to within ±1% of various LBL calculations (Luther et Cited by: The surface downward longwave radiation is dominated by the radiation from a shallow layer close to the surface of the earth.

The atmosphere above meters from the surface only accounts for 16–20% of the total surface downward longwave radiation.

Earth emits longwave radiation because Earth is cooler than the sun and has less energy available to give off. Figure A shows the Atmospheric Window of the wavelengths that enter our atmosphere.

Our atmosphere is transparent to radio waves, visible light, and some infrared and UV radiation. The RRTM model simulates the flow of electromagnetic radiation in and out of the Earth. The orange, red, and purple pairs of arrows on the right represent, respectively, the amount of shortwave radiation (incoming and reflected sunlight), longwave radiation (radiation given off by the ground and atmosphere), and total radiation averaged across the entire Earth's surface.

This clear-sky longwave bias is analyzed by running the same radiation transfer model for each model’s temperature and moisture profile, and the model spread in clear-sky downwelling longwave radiation with the same radiative transfer model is found to be much less, suggesting that model differences other than temperature and moisture are.

A Climate Model for the History Books April 5th, by Adam Voiland Decades or even centuries from now, when enough time has passed for historians to write definitive accounts of global warming and climate change, two names are likely to make it into history books: Syukuro Manabe and Richard Wetherald.

An Earth outgoing longwave radiation (OLWR) climate model has been constructed for a monthly average radiation budget study.

The model consists of the upward radiative transfer parameterization of Thompson and Warren and a monthly average climatology defined by the data from Crutcher and Meserve and Taljaard. Erik Price, Jarno Mielikainen, Melin Huang, Bormin Huang, Hung-Lung Allen Huang and Tsengdar Lee, GPU-Accelerated Longwave Radiation Scheme of the Rapid Radiative Transfer Model for General Circulation Models (RRTMG), IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, /JSTARS, 7, 8, (   Intuitively, measures how much of the increase in surface emission with warming escapes to space.

If the entire spectrum is optically thin to thermal radiation, then, whereas if the entire spectrum is opaque, then. Our model states that the feedback of Cited by: 7. An Earth outgoing longwave radiation (OLWR) climate model has been constructed for a monthly average radiation budget study.

The model consists of the upward radiative transfer parameterization of Thompson and Warren and a monthly average climatology defined by the data from Crutcher and Meserve and Taljaard et al.

Additional required information is provided by the empirical mb water Cited by: 2. Heat balance at the surface As discussed in sectionthe incoming solar radiation on a horizontal surface at the top of the atmosphere is about Wm-2, with roughly 30% of this being reflected back into analysis of the Earth's global heat balance (Fig.

) shows that more that 70% of the reflection takes place in the atmosphere, mainly because of the presence of clouds. Our extended unified model of Earth radiation pressure accelerations is based on hourly CERES SYN1deg data of the Earth’s outgoing radiation combined.

Start studying Environmental Problems climate (book notes). Learn vocabulary, terms, and more with flashcards, games, and other study tools. The trapping of longwave radiation in Earth's atmosphere by the combinded effect of the greenhouse gases.

general circulation model (GCM). The longwave fluxes from four GCMs and from one model in assimilation mode are investigated in detail in the present study: the ECHAM3 and ECHAM4 models from the Max Planck Institute for Meteorology, Hamburg, Germany (Roeckner et al.), and the HadAM2b and HadAM3 models from the Hadley Centre for Climate Prediction and Research, Bracknell, United Cited by:.

The peculiar feature of all climate forcing is that they influence the balance of the energy entering and leaving the Earth system. Radiation Balance of Earth.

Earth’s radiation balance is the equation of the incoming and outgoing thermal radiation. The Radiation .Physics of Radiation and Climate takes a look at how the outward flow of longwave or terrestrial radiation is affected by the complexities of the atmosphere‘s molecular spectroscopy.

This book examines the planet in its current state and considers the radiation fluxes, including multiple scattering, photochemistry, and the ozone layer, and 2/5(1).In this paper, decadal changes of the Outgoing Longwave Radiation (OLR) as measured by the Clouds and Earth’s Radiant Energy System from tothe Earth Radiation Budget Experiment from toand the High-resolution Infrared Radiation Sounder from to are analysed.