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Thursday, April 30, 2020 | History

2 edition of On the global distribution of the water cloud microphysics derived from AVHRR remote sensing found in the catalog.

On the global distribution of the water cloud microphysics derived from AVHRR remote sensing

Kazuaki Kawamoto

On the global distribution of the water cloud microphysics derived from AVHRR remote sensing

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  • 10 Currently reading

Published by Center for Climate System Research, University of Tokyo in [Tokyo] .
Written in English

    Subjects:
  • Cloud physics.,
  • Clouds -- Remote sensing.,
  • Precipitation (Meteorology),
  • Microphysics.

  • Edition Notes

    StatementKazuaki Kawamoto.
    SeriesReport / Center for Climate System Research, University of Tokyo -- no. 11., Report (Tōkyō Daigaku. Center for Climate System Research) -- no. 11.
    Classifications
    LC ClassificationsQC921.5 .K38 1999
    The Physical Object
    Paginationiii, 95 p. :
    Number of Pages95
    ID Numbers
    Open LibraryOL15568732M

    AVHRR), a water-absorbing channel (e.g. µm), and a thermal channel (e.g. 11 µm). Nakajima and Nakajima () demonstrated that the retrievals were accurate enough to distinguish artificial and natural transformations of cloud properties. Utilization of the µm channel was thus a realistic choice for the cloud retrievals from. The wavelet cospectra are computed between surface radiometric temperature, fractional vegetation, and derived energy fluxes at airborne (12 m) and Advanced Very High Resolution Radiometer (AVHRR) ( m) resolutions. Length scale analysis of highresolution data shows that small-scale variability in temperature dominates over other effects. The course provides rigorous hands-on-exercises on the applications of remote sensing techniques in geological and in environmental sciences (70% of student effort). The hands-on exercises are primarily based on data from case studies (most of which was published in peer-reviewed articles), data downloaded from our receiving station, and/or.


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On the global distribution of the water cloud microphysics derived from AVHRR remote sensing by Kazuaki Kawamoto Download PDF EPUB FB2

Simultaneous retrieval of the cloud optical thickness (hereafter the optical thickness is at visible wavelength) and effective particle radius is based on the fact that the radiance at a nonabsorbing visible wavelength (e.g., channel 1 of AVHRR) is mainly determined by the cloud optical thickness, while the radiance at a water-absorbing near-infrared wavelength (e.g., channel 3 of AVHRR) is Cited by: A Global Determination of Cloud Microphysics with AVHRR Remote Sensing KAZUAKI KAWAMOTO* AND TERUYUKI NAKAJIMA on a global scale using Advanced Very High Resolution Radiometer (AVHRR) multispectral radiance data.

In the the same cloud droplet size distribution and saturated water vapor with cloud-top temperature. We approxi. Data from the multispectral Advanced Very High Resolution Radiometer (AVHRR), on board National Oceanic and Atmospheric Administration (NOAA) operational satellites, have been widely used for the retrieval of cloud parameters, such as temperature, effective radius and cloud liquid water by: 3.

We have analyzed long‐term NOAA/AVHRR (Advanced Very High Resolution Radiometer) global On the global distribution of the water cloud microphysics derived from AVHRR remote sensing book from to to investigate the variation of the cloud particle size for low‐lying water clouds.

He Cited by: On the Global On the global distribution of the water cloud microphysics derived from AVHRR remote sensing book of the Water Cloud Microphysics Derived from AVHRR Remote Sensing. Kawamoto Ph.D. dissertation, University of Tokyo, No.

10 Apr. A Study of Aerosol Properties on Global Scale Using Satellite Remote Sensing. Higurashi Ph.D. dissertation, University of Tokyo, No. 9 Feb. An algorithm is developed for determining the cloud optical thickness and effective particle radius simultaneously on a global scale using Advanced Very High Resolution Radiometer (AVHRR.

Global distribution of the water cloud microphysics derived from AVHRR remote sensing. Kawamoto and T. Nakajima 13 The use ofNOAA satellite data for. Their properties could change with On the global distribution of the water cloud microphysics derived from AVHRR remote sensing book, leading to planetary energy imbalance on a global scale.

Optical and thermal infrared remote sensing of clouds is a mature research field with a long history. Great progress has been achieved using both ground-based and satellite instrumentation in retrieval of microphysical clouds parameters. The 4 km Pathfinder effort at the National Oceanic and Atmospheric Administration (NOAA) National Oceanographic Data Center (NODC) and the University of Miami's Rosenstiel School of Marine and Atmospheric Science (RSMAS) is an extension of and improvement on the sea surface temperature (SST) fields from the NOAA/NASA AVHRR Oceans 9km Pathfinder dataset.

Remote sensing techniques can be used to monitor water quality parameters (i.e., suspended sediments (turbidity), chlorophyll, and temperature). 11 Oct. On the Global Distribution of the Water Cloud Microphysics Derived from AVHRR Remote Sensing.

Kawamoto Ph.D. dissertation, University of Tokyo, No. 10 Apr. A Study of Aerosol Properties on Global Scale Using Satellite Remote Sensing. Higurashi Ph.D. dissertation, University of Tokyo, Cloud property data sets derived from passive sensors onboard the polar orbiting satellites (such as the NOAA’s Advanced Very High Resolution Radiometer) have global coverage and now span a climatological time period.

Kawamoto, “On the global distribution of the water cloud microphysics derived from AVHRR remote sensing,” Ph.D. dissertation University of Tokyo, Tokyo, Japan, ). Ice cloud microphysics can be derived by the synergy use of CloudSat and CALIPSO signals. These new products bring new insights for understanding global characteristic of clouds.

EarthCARE satellite will be launched in It will carry cloud profiling radar with Doppler radar, high-spectral-resolution lidar at μm, Cited by: 2. In the chapter, optical remote sensing refers to wavelengths between and 2, nm, in contrast to the thermal infrared wavelengths (3,–15, nm), although both types of wavelengths are recorded by optical by: 1.

The split-window facility offered by the AVHRR instrument is used to good purpose in an advanced cloud detection and analysis package called APOLLO. This is based on threshold tests to distinguish between cloud-free, fully-cloudy and partially-cloudy pixels over land and sea by: 7.

Dust will be sensed only over the ocean. Methods using contrast reduction, variation in the apparent brightness and IR remote sensing will be studied and implemented post launch.

The algorithms take advantage of the MODIS wide spectral range and high spatial resolution with daily global coverage (e.g., m at to µm with m at detailed aerosol characterization derived from ground-based stations with remote sensing and in situ instrumentation, can supply such needed information.

Several satellite sensors, planned to be launched in the next several years, are designed to meet these demands (i.e., to measure global distribution ofCited by: This confirms earlier studies of hemispheric differences using AVHRR. Further, the POLDER- and AVHRR-derived correlations between aerosol and cloud parameters are consistent with an aerosol indirect effect (Sekiguchi et al., ).

These results suggest that the impact of aerosols on cloud microphysics is global. Remote Sensing of Water Properties Using the SWIR-based Atmospheric Correction Algorithm" Menghua Wang. Wei Shi and SeungHyun Son. NOAA/NESDIS/STAR. E/RA3, RoomAuth Road.

Camp Springs, MDUSA. MODIS Science Team Meeting Marriott Inn/Conference Center, College Park, Maryland, MayFile Size: 1MB. The spatial distribution of global cropland areas (~ billion hectares) and five dominant crop types (wheat, rice, maize, barley and soybeans).

barley and soybeans). This composite map was produced by Thenkabail and Gumma through spatial modeling involving remote sensing derived global irrigated and rainfed croplands (Thenkabail et al.

where M is the total exitance (emitted radiant flux per unit area) from the surface of the material (W m −2), σ is the Stefan–Boltzman constant ( × 10 −8 W m −2 K −4) and T is the absolute temperature of the emitting material (K).

The total amount of energy emitted by an object therefore increases rapidly with temperature. This phenomenon is demonstrated by the larger area under Cited by:   The radiative effect of cirrus clouds is particularly ambiguous in the climate research. We calculated the global cirrus cloud radiative forcing (CRF ci) distributions at the top of the atmosphere (TOA) using the cloud microphysical parameters of effective radius (Re), optical thickness (COT) and the cloud top temperature (CTT) derived from AVHRR nighttime by: 2.

Remote sensing is the acquisition of information about an object or phenomenon without making physical contact with the object and thus in contrast to on-site observation, especially the Earth. Remote sensing is used in numerous fields, including geography, land surveying and most Earth science disciplines (for example, hydrology, ecology, meteorology, oceanography, glaciology, geology); it.

NDVI. Photosynthesis requires water, carbon dioxide and light in order to produce sugars and oxygen. Chlorophyll, which gives plants their green color, absorbs visible light. Satellite Remote Sensing of Cirrus: An Overview Patrick Minnis Atmospheric Sciences Division NASA Langley Research Center Hampton, Virginia email: @ 1.

Introduction The determination of cirrus properties over relatively large spatial and temporal scales will, in most instances, require the use of.

Cloud physics has achieved such a voluminous literature over the past few decades that a significant quantitative study of the entire field would prove unwieldy. This book concentrates on one major aspect: cloud microphysics, which involves the processes that lead to the formation of individual cloud and precipitation by: Figure 1 presents the distributions of model-simulated susceptibility for warm clouds and those derived from satellite-retrieved values of cloud optical thickness τ and effective drop radius re.

These data were retrieved from through Advanced Very High Resolution Radiometer (AVHRR) measure-Author: C. Chuang, J. Penner, K. Kawamoto. Cloud sciences using satellite remote sensing, cloud growth model, and radiative transfer Cloud growth process appeared in the global scale distribution of the cloud optical and microphysical properties retrieved from the satellite remote sensing.

Aerosols, Satellites, Water, Particles, Remote sensing, Clouds, Ocean optics, Atmospheric. Thermodynamics, Kinetics and Microphysics of Clouds extends the subject of cloud microphysics with a unified theoretical foundation that is based on the general principles of thermodynamics and kinetics.

It will be invaluable for researchers and advanced students engaged in cloud and aerosol physics, and air pollution and climate by: Remote sensing of cirrus cloud parameters using advanced very-high-resolution radiometer and 1 Opum channels S.

Ou, K. Liou, W. Gooch, and Y. Takano We develop a retrieval scheme by using advanced very-high-resolution radiometer (AVHRR) and pum data to compute simultaneously the temperature, optical depth, and mean. Optical Characterization of Complex Aerosol and Cloud Particles: Remote Sensing and Climatological Implications Li Liu Optical characterization of aerosol and cloud particles has been a challenge to researchers involved in a wide range of disciplines including remote sensing and climate : Li Liu.

Furthermore, the lifetime of only a few days causes high spatial variability in aerosol optical and radiative properties that requires global observations from space. Remote sensing of tropospheric aerosol properties from space is reviewed both for present and planned national.

Liquid water path can be derived from satellite data (Kawamoto et al. It is related to geometrical thickness via the distribution of liquid water within the cloud.

This is approximated using a microphysical model of cloud properties, approximating a sub­adiabatic distribution (Cermak ). correlation between satellite-derived aerosol and cloud parameters to show a relationship.

Cloud parameters include not only cloud effective radius and optical thick-ness, but also cloud fraction with aerosol number change. DATA AND MODEL DESCRIPTION We use the global distribution of aerosol optical pa-rameters obtained by analysis of NOAA.

The global performance of a new 2-moment cloud microphysics scheme for a General Circulation Model (GCM) is presented and evaluated relative to observations. The scheme produces reasonable representations of cloud particle size and number concentration when compared to observations, and represents expected and observed spatial variations in.

Satellite Remote Sensing Data. Landsat-5 multispectral image series were used as remote sensing data source for the study (Table 1).

A cloud-free Landsat-5 TM image (path/row = /) acquired on Aug (, GMT+2) was used as real-time satellite remote sensing by: models. While there is a global scale, long-term survey of water cloud droplet sizes (Han et al.

), there is no comparable study for cirrus ice crystals. This study is an effort to supply such a data set. Validation of satellite remote sensing techniques for the retrieval of cirrus microphysics has been rare.

This is due to difficulties of. Remote sensing of three-dimensional inhomogeneous cirrus clouds using satellite and mm-wave cloud radar data K. Liou,1 S. Ou,1 Y. Takano,1 J. Roskovensky,1 G. Mace,2 K.

Sassen,2 and M. Poellot3 Received 1 February ; revised 26 March ; Cited by: Figure 4 presents the susceptibility for warm clouds and those derived from the satellite-retrieved cloud optical thickness τ and effective drop radius re. These data were retrieved from - AVHRR measurements using the algorithm developed by Kawamoto et al.

The liquid water path is calculated from wpath = (2/3)ρ τ re. Advanced Very High Resolution Radiometer (AVHRR) measurement is the pdf operational global satellite observation of the Earth’s atmosphere and surface.

Observed radiances/reflectances have been widely used to derive long-term products of atmospheric variables, such as cloud and aerosol (see, e.g., [ Cited by: 9.Conference: Multi Spectral Pushbroom Imaging Radiometer (MPIR) for remote sensing cloud studies Title: Multi Spectral Pushbroom Imaging Radiometer (MPIR) for remote sensing cloud studies Full Record.Ebook, J.C.

Two-channel microwave radiometer for observations of total column precipitable water vapor and cloud liquid water, Fifth Symposium on Global Change Studies, pp January, American Meteorological Society, Nashville, Tennessee.