• Nenhum resultado encontrado

Optical depths of semi-transparent cirrus clouds over oceans from CALIPSO infrared radiometer and lidar measurements, and an evaluation of the lidar multiple scattering factor

N/A
N/A
Info
Descarregar agora
Protected

Academic year: 2017

Share "Optical depths of semi-transparent cirrus clouds over oceans from CALIPSO infrared radiometer and lidar measurements, and an evaluation of the lidar multiple scattering factor"

Copied!
47
0
0

Carregando.... (Ver texto completo agora)

Descarregar agora ( 47 páginas )

Texto

Loading

Imagem

Figure 1. Relative sensitivity of absorption optical depth τ a to variations of measured (dot- (dot-ted), background (dashed) and blackbody (solid) brightness temperatures dT m = −0.3 K, dT BG = 0.5 K, and dT BB = 2 K, respectively.
Figure 2. Simulations of the ratio between CALIOP optical depth at 532 nm (τ vis ) and IIR ab- ab-sorption optical depth at 12.05 µm (τ a ) at τ a = 0.25 against e ff ective diameter D e for hexagonal solid columns (blue) and aggregates (red)
Figure 3. (a) Mean value and (b) standard deviation of the di ff erence T r − T c between cloud ra- ra-diative temperature and temperature at centroid altitude of attenuated total backscatter against 2τ a assuming r = τ vis /τ a = 2
Figure 4. Relative sensitivity (in percentage) of the di ff erence T r −T c to a variation of ∆ r = + 20 % (solid lines) and ∆ r = −20 % (dashed lines) of the assumed τ vis /τ a ratio r = 2
+7

Referências

Descarregar agora ( PDF - 47 páginas - 1.38 MB )

Documentos relacionados

Validation of aerosol and cloud layer structures from the space-borne lidar CALIOP using a ground-based lidar in Seoul, Korea

Apparent scattering ratios calculated from the two lidar measurements of to- tal attenuated backscatter at 532 nm show similar aerosol and cloud layer structures both under

Global mapping of maximum emission heights and resulting vertical profiles of wildfire emissions

Data for direct evaluation of the obtained mean vertical profiles were taken from the dataset of Cloud-Aerosol Lidar with Orthogonal Polarization (CALIOP) onboard the NASA

Remote sensing of ice crystal asymmetry parameter using multi-directional polarization measurements – Part 2: Application to the Research Scanning Polarimeter

Figure 3 shows cloud-top heights, optical thickness, asym- metry parameter, distortion and aspect ratio retrieved from RSP measurements as a function of time, along with CRS

Optical thickness and effective radius of Arctic boundary-layer clouds retrieved from airborne spectral and hyperspectral radiance measurements

The cloud optical thickness and the droplet e ff ective radius are retrieved from spectral radiance data in nadir and and from hyperspectral radiances in a 40 ◦ field of view..

Systematic variations of cloud top temperature and precipitation rate with aerosols over the global tropics

Cloud-top temperatures are significantly negatively correlated with increasing aerosol index (AI) over oceans and aerosol optical depth (AOT) over land for deep mixed-phase clouds

Combining visible and infrared radiometry and lidar data to test ice clouds optical properties

measured from Terra are also compared to LBLMS simulations in cloudy conditions using retrieved cloud optical depth and e ff ective radius from MODIS. Three case stud- ies are

Geometrical and optical parameters of Tropopause Cirrus Clouds in the Southern Hemisphere

We analyzed the mean optical properties of southern hemisphere midlatitude tropopause cirrus, such as optical depth, extinction coefficient and lidar ratio using lidar observations

Upper-mesospheric temperatures measured during intense substorms in the declining phase of the January 2005 solar proton events

Temperature measurements from the ALOMAR Weber Na lidar together with cosmic radio noise absorption measurements from IRIS and particle measurements from NOAA 15, 16 and 17 are used