Results 141 to 150 of about 1,082 (169)
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Systematic Bias in the NOAA Outgoing Longwave Radiation Dataset?
Journal of Climate, 1992The outgoing longwave radiation (OLR) fluxes derived from NOAA-SR (1974-78) are found to be consistently higher than those from NOAA-7 (1982 onward) over a large part of the tropical belt. Analysis of the variation of the mean July-August OLR and the rainfall over the Indian region suggests that the lower values of OLR in the latter period cannot be ...
Gadgil, Sulochana +2 more
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The Earth's outgoing longwave radiation spectrum as seen by REFIR
SPIE Proceedings, 2005ABSTRACT Between 25-35% of the EarthÂ’s outgoing longwave radiation (OLR) lies in the far-infrared (FIR) spectral region from 0-500cm -1 where the emission is primarily due to water vapour located in the upper and mid troposphere. The local maximum in the absorption spectru m of ice means that high, cold cirrus clouds have a large effect on intensity of
Bolton +9 more
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Diurnal Variation of Outgoing Longwave Radiation in the Tropics
Journal of Climate and Applied Meteorology, 1986The diurnal harmonic in longwave emission in the tropical belt (30 deg N-30 deg S) is estimated from nine years of NOAA polar-orbiting satellite data. The results are compared successfully with Nimbus-7 ERB scanner data and with GOES-West geosynchronous satellite data.
Dennis L. Hartmann, Ernest E. Recker
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Annual Variation of the Diurnal Cycle of Outgoing Longwave Radiation
Monthly Weather Review, 1988Abstract The annual variation of the diurnal cycle of outgoing longwave radiation (OLR) is examined. Our results are based on the climatological amplitude and phase of the first diurnal harmonic for each month. The diurnal harmonic was extracted from a composite daily cycle from several polar orbiting satellites that flew in different years with ten ...
Brant Liebmann, Arnold Gruber
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Seasonal variations of outgoing longwave radiation from satellite data
26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020Based on observational data, we analyzed seasonal variations of the outgoing longwave radiation at the outer boundary of the atmosphere and air temperature near the Earth's surface. It has been shown that under quiet geomagnetic conditions, there is positive annual average correlation between the outgoing longwave radiation and near-surface temperature
A A Karakhanyan, S I Molodykh
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Application of outgoing longwave radiation data for earthquake research
2010 IEEE International Conference on Intelligent Computing and Intelligent Systems, 2010Satellite thermal infrared (TIR) data have revealed anomalies prior to major earthquakes. The paper presents the potential relationship between outgoing longwave radiation (OLR) anomalies and earthquakes. The method used in this work is to subtract long-lived background from initial data and have been applied to detect seismic anomalies successfully ...
null Yang Chen +3 more
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An improvement in cumulus parameterization by invoking outgoing longwave radiation
Meteorology and Atmospheric Physics, 1992The Kuo-type cumulus parameterization and rainfall rate scheme is extended by including the outgoing longwave radiation (OLR), the local time rate of change of OLR, and the horizontal Laplacian of OLR to include the additional source of mesoscale moisture supply. The extended scheme remains simple and efficient.
M. M. -K. Wai, T. N. Krishnamurti
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The Status of the NOAA Outgoing Longwave Radiation Data Set
Bulletin of the American Meteorological Society, 1984Abstract National Oceanic and Atmospheric Administration (NOAA) satellites have provided over eight years of observations from which estimates of the earth's total longwave emittance can be derived. Changes in satellite instrumentation, orbit, and algorithms used in obtaining these estimates are briefly summarized.
Arnold Gruber, Arthur F. Krueger
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Time-Sampling Errors of Earth Radiation From Satellites: Theory for Outgoing Longwave Radiation
IEEE Transactions on Geoscience and Remote Sensing, 2015The measurements of radiation budget by satellites in low Earth orbit provide limited sampling of the diurnal cycle. Thus, maps of monthly mean radiation fluxes contain errors due to this limitation. The Earth Radiation Budget Experiment reduced these errors in the data products by using a half-sine fit to account for regional diurnal cycles.
G. Louis Smith +2 more
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Validation of Outgoing Longwave Radiation in a General Circulation Model
Monthly Weather Review, 1988Abstract Outgoing longwave radiation (OLR) simulated by the GLAS general circulation model is compared with that derived from measurements made by polar orbiting satellites. The comparison is made for spatial and seasonal variations by expanding the spatial into surface spherical harmonics.
Gerald R. Borger, Anandu D. Vernekar
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