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[PDF] Top 20 Measurement errors in cirrus cloud microphysical properties

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Measurement errors in cirrus cloud microphysical properties

Measurement errors in cirrus cloud microphysical properties

... edges. In many cases these images are simply rejected in the analysis. In order to minimize the subsequent size limitation e€ects, Heyms- ®eld and Parrish (1978) proposed a computational technique ... See full document

11

FAME-C: cloud property retrieval using synergistic AATSR and MERIS observations

FAME-C: cloud property retrieval using synergistic AATSR and MERIS observations

... LUT in which the ratio depends on cloud top pressure as well as cloud optical thickness, view- ing geometry, surface pressure and the MERIS channel 11 center ...assumed in the ...hPa in ... See full document

18

Bulk microphysical properties of semi transparent cirrus from AIRS: a six years global climatology and statistical analysis in synergy with CALIPSO and CloudSat

Bulk microphysical properties of semi transparent cirrus from AIRS: a six years global climatology and statistical analysis in synergy with CALIPSO and CloudSat

... these cloud layers during mid-latitude winter but which does not significantly impact ice crystal ...crophysical properties from the TIROS-N Operational Vertical Sounder (TOVS) reveals improvements, ... See full document

55

A new airborne polar Nephelometer for the measurements of optical and microphysical cloud properties. Part I: Theoretical design

A new airborne polar Nephelometer for the measurements of optical and microphysical cloud properties. Part I: Theoretical design

... measuring microphysical parameters includes the CSIRO hot-wire probe (King et ...and Cloud Droplet Probes (FSSP-100, 1D & 2D, Particle Measuring Systems, Boulder, ...on cloud microphysical ... See full document

9

On the regional climatic impact of contrails: microphysical and radiative properties of contrails and natural cirrus clouds

On the regional climatic impact of contrails: microphysical and radiative properties of contrails and natural cirrus clouds

... ice cloud albedo when compared to measurements (Stackhouse and Stephens, ...discrepancy: in today's models, particles are usually described as spheres or ...found in ice clouds and which could cause ... See full document

11

A statistical subgrid-scale algorithm for precipitation formation in stratiform clouds in the ECHAM5 single column model

A statistical subgrid-scale algorithm for precipitation formation in stratiform clouds in the ECHAM5 single column model

... the cloud struc- ture at different altitudes is partly responsible for the difficulty in representing clouds in GCMs ...cause errors in the development of microphysical ... See full document

40

Laboratory measurements and model sensitivity studies of dust deposition ice nucleation

Laboratory measurements and model sensitivity studies of dust deposition ice nucleation

... experimental measurement errors and ob- taining data of larger particle sizes that have limited multi- ple charge particle influence, for different ice nucleation re- search groups to calculate the PDF ... See full document

14

Observations and modelling of microphysical variability, aggregation and sedimentation in tropical anvil cirrus outflow regions

Observations and modelling of microphysical variability, aggregation and sedimentation in tropical anvil cirrus outflow regions

... measurements in- clude limited sample volumes (e.g. the Cloud Particle Imager Lawson and Baker, 2006) insufficient grey scale informa- tion to correct for depth of field mis-sizing ...particularly in ... See full document

20

A new airborne Polar Nephelometer for the measurement of optical and microphysical cloud properties. Part II: Preliminary tests

A new airborne Polar Nephelometer for the measurement of optical and microphysical cloud properties. Part II: Preliminary tests

... function properties already given to propose a recognition method to descriminate the ice particles that may be present in the sensitive volume together with water cloud ...consists in ... See full document

11

Influence of heterogeneous freezing on the microphysical and radiative properties of orographic cirrus clouds

Influence of heterogeneous freezing on the microphysical and radiative properties of orographic cirrus clouds

... gradient in the ice crystal number concentration inside the cirrus cloud ...the cloud bottom where more crystals are ...reached in the upper part of the cloud (see ... See full document

44

Supersaturation, dehydration, and denitrification in Arctic cirrus

Supersaturation, dehydration, and denitrification in Arctic cirrus

... and microphysical properties The evolution of the column-integrated ice crystal number densities, ice water path, and optical depth (not shown here), as well as the temporal development of the vertical ... See full document

16

Cloud chamber experiments on the origin of ice crystal complexity in cirrus clouds

Cloud chamber experiments on the origin of ice crystal complexity in cirrus clouds

... duced in the ...the in- strument was forced to continuously trigger, the laser power was varied from a few milliwatts to its maximum power of 100 ...mW. In this way a series of SID-3 patterns was ... See full document

20

Rev. odonto ciênc.  vol.27 número3

Rev. odonto ciênc. vol.27 número3

... conducted in accordance with resolution 196 of the National Health Council and monitored by the Committee for Ethics in Research of Universidade Federal Fluminense (UFF), Niterói, RJ, ... See full document

5

Evidences of thin cirrus clouds in the stratosphere at mid-latitudes

Evidences of thin cirrus clouds in the stratosphere at mid-latitudes

... advection of PV as a quasi-passive tracer has already been demonstrated in the up- per troposphere – lower stratosphere domain (Hauchecorne et al., 2002; Heese et al., 2001). A typical PV profiles depict small ... See full document

19

On the transition between heterogeneous and homogeneous freezing

On the transition between heterogeneous and homogeneous freezing

... for cirrus formation in the northern ...emissions. In- deed, Str ¨om and Ohlsson (1998) found that cirrus ice crystals in a region of heavy air traffic (southern Germany) often contain ... See full document

29

Observations of high droplet number concentrations in Southern Ocean  boundary layer clouds

Observations of high droplet number concentrations in Southern Ocean boundary layer clouds

... ceptional in a global context, they are unexpected for the pristine maritime environment of the SO, especially during wintertime when ocean productivity is ...argue in this paper, then we are left with the ... See full document

17

Development of a cloud microphysical model and parameterizations to describe the effect of CCN on warm cloud

Development of a cloud microphysical model and parameterizations to describe the effect of CCN on warm cloud

... initial cloud droplet size distribution for the bin model were ...a cloud model using these parameterizations and a two- moment bin model were compared to results from a hybrid cloud ... See full document

18

Retrieval of macrophysical cloud parameters from MIPAS: algorithm description and preliminary validation

Retrieval of macrophysical cloud parameters from MIPAS: algorithm description and preliminary validation

... taken in April 2003 is used as a test ...keeping in mind that ISCCP infrared cloud products are determined from nadir-measurements (which will penetrate further vertically into clouds, and hence ... See full document

30

Exploiting the weekly cycle as observed over Europe to analyse aerosol indirect effects in two climate models

Exploiting the weekly cycle as observed over Europe to analyse aerosol indirect effects in two climate models

... seen in Fig. 1g, the obser- vations from CERES on Terra show a weekly cycle in albedo which would be consis- tent with an influence of anthropogenic aerosols on ...cycle in the Aqua data indicate ... See full document

17

Development of a cloud microphysical model and parameterizations to describe the effect of CCN on warm cloud

Development of a cloud microphysical model and parameterizations to describe the effect of CCN on warm cloud

... in agreement with many studies (Twomey, 1974; Albrecht, 1989; Saleeby and Cotton, 2004). It is also shown in Fig. 4a that the more CCN lead to the more widespread rainfall area. This study shows that ... See full document

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