Results 21 to 30 of about 52,672 (238)
Halo ratio from ground based all-sky imaging [PDF]
, 2018 © Author(s) 2019.The halo ratio (HR) is a quantitative measure characterizing the occurrence of the 22 halo peak associated with cirrus. We propose to obtain it from an approximation to the scattering phase function (SPF) derived from allsky imaging ...
D. Campbell +4 more
core +5 more sources
CIRRUS REMOVAL IN MULTISPECTRAL DATAWITHOUT 1.38μM SPECTRAL DATA [PDF]
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016 Cirrus is one of the most common artifacts in the remotely sensed optical data. Contrary to the low altitude (1-3 km) cloud the cirrus cloud (8-20 km) is semitransparent and the extinction (cirrus influence) of the upward reflected solar radiance can be ...
A. Makarau +3 more
doaj +1 more source
Cirrus and water vapor in the tropical tropopause layer observed by Upper Atmosphere Research Satellite (UARS) [PDF]
, 2003 The Microwave Limb Sounder (MLS) on Upper Atmosphere Research Satellite (UARS) is sensitive to water vapor and ozone in the lower stratosphere. The Cryogenic Limb Array Etalon Spectrometer (CLAES), another of the instruments on UARS, has a spatial and ...
A. Billingham +65 more
core +1 more source
Remote Sensing, 2018 A brief description of the Water vapor, Cloud and Aerosol Lidar (WACAL) system is provided. To calibrate the volume linear depolarization ratio, the concept of “ Δ 90 ° -calibration” is applied in this study. This effective and accurate calibration
Guangyao Dai, Songhua Wu, Xiaoquan Song
doaj +1 more source
Meteorological Monographs, 2017 Abstract The goal of this chapter is to synthesize information about what is now known about one of the three main types of clouds, cirrus, and to identify areas where more knowledge is needed. Cirrus clouds, composed of ice particles, form in the upper troposphere, where temperatures are generally below −30°C.
Heymsfield, Andrew J. +10 more
openaire +2 more sources
Midlatitude cirrus classification at Rome Tor Vergata through a multichannel Raman–Mie–Rayleigh lidar [PDF]
Atmospheric Chemistry and Physics, 2013 A methodology to identify and characterize cirrus clouds has been developed and applied to the multichannel-multiwavelength Rayleigh–Mie–Raman (RMR) lidar in Rome Tor Vergata (RTV).
D. Dionisi +4 more
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Thin and subvisible cirrus and contrails in a subsaturated environment [PDF]
Atmospheric Chemistry and Physics, 2011 The frequency of occurrence of cirrus clouds and contrails, their life time, ice crystal size spectra and thus their radiative properties depend strongly on the ambient distribution of the relative humidity with respect to ice (RH<sub>ice< ...
M. Kübbeler +15 more
doaj +1 more source
A WRF Simulation of an Episode of Contrails Covering the Entire Sky
Atmosphere, 2016 On 21 September 2012 the entire sky was covered by contrails over the Gulf of Lyon (NW of the Mediterranean basin). These clouds were well recorded by ground observers as well as by Meteosat imagery.
Jordi Mazon, David Pino
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Shallow cirrus convection – a source for ice supersaturation [PDF]
Tellus: Series A, Dynamic Meteorology and Oceanography, 2014 The origin and persistence of high ice supersaturation is still not well understood. In this study, the impact of local dynamics as source for ice supersaturation inside cirrus clouds is investigated.
Peter Spichtinger
doaj +1 more source
Corporum, 2023 Since close reading is a time-consuming activity to explore quantified information from literary works, the digital natives of the modern age have started to build big databases of literary works to knowledge patterns.
Zafar Ullah, Midhat Rafique, Uzma Arshad
doaj