نتایج جستجو برای: thermal emissivity

تعداد نتایج: 219051  

2003
Timothy D. Glotch Richard V. Morris Thomas G. Sharp Philip R. Christensen

Introduction. The Thermal Emission Spectrometer (TES) instrument aboard Mars Global Surveyor discovered several isolated deposits of gray, crystalline hematite in Sinus Meridiani, Aram Chaos, and Valles Marineris. A variety of formation mechanisms has been proposed for the martian hematite deposits [1-5], including aqueous and nonaqueous processes. Comparison of the average Sinus Meridiani hema...

2005
J. C. Jiménez-Muñoz J. A. Sobrino L. Guanter J. Moreno A. Plaza P. Matínez

RESUME In this paper, two different methods for fractional vegetation cover (FVC) retrieval from CHRIS (Compact High Resolution Imaging Spectrometer) data based on vegetation indices have been analyzed. The first method uses NDVI (Normalized Difference Vegetation Index) values, as suggested, among others, by Carlson and Ripley (1997) and Gutman and Ignatov (1998), and the second method uses VAR...

2008
EDWARD F. BROWN

Superbursts are thought to be powered by the unstable ignition of a carbon-enriched layer formed from the burning of accreted hydrogen and helium. As shown by Cumming & Bildsten, the short recurrence time hinges on the crust being sufficiently hot at densities ρ > 109 gcm−3. In this Letter, we self-consistently solve for the flux coming from the deep crust and core. The temperature where the ca...

2003
C. Vogt R. Rapp

Thermal emission rates and mean free paths of photons in a color-flavor locked (CFL) phase of quark matter at high densities and moderate temperatures are evaluated. Our calculations are based on a low-energy effective theory for CFL matter describing Goldstone boson excitations and their electromagnetic as well as strong interactions. Inmedium coupling strengths of vector mesons are found to b...

Journal: :International journal of occupational safety and ergonomics : JOSE 2010
Emiel A Den Hartog George Havenith

For wearers of protective clothing in radiation environments there are no quantitative guidelines available for the effect of a radiative heat load on heat exchange. Under the European Union funded project ThermProtect an analytical effort was defined to address the issue of radiative heat load while wearing protective clothing. As within the ThermProtect project much information has become ava...

Journal: :Transactions of the Society of Instrument and Control Engineers 1976

Journal: :Monthly Notices of the Royal Astronomical Society 1968

2015
Hailei Liu Shenglan Zhang Shihao Tang

A single channel land surface temperature (LST) retrieval algorithm named Single Channel Water Vapor Dependent (SCWVD) method was presented for Medium Resolution Spectral Imager (MERSI) thermal infrared band aboard FengYun-3A (FY-3A) satellite. Water Vapor Content (WVC) is the only input parameter in the algorithm assuming the surface emissivity is known. NCEP reanalysis monthly mean datasets w...

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