Výsledky vyhledávání - "Thomas J. Kleespies"

MiRS: An All-Weather 1DVAR Satellite Data Assimilation and Retrieval System

Autor: Banghua Yan, Fuzhong Weng, Wanchun Chen, Cezar Kongoli, S-A Boukabara, C. Grassotti, Quanhua Liu, Flavio Iturbide-Sanchez, Ralph Ferraro, Thomas J. Kleespies, Huan Meng, Kevin Garrett, Ruiyue Chen

Publikováno v: IEEE Transactions on Geoscience and Remote Sensing. 49:3249-3272

A 1-D variational system has been developed to process spaceborne measurements. It is an iterative physical inversion system that finds a consistent geophysical solution to fit all radiometric measurements simultaneously. One of the particularities o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1bbdaedc0b4fc3889bc644b900840da7
https://doi.org/10.1109/tgrs.2011.2158438

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Comparison of simulated radiances, Jacobians and linear error analysis for the Microwave Humidity Sounder and the Advanced Microwave Sounding Unit-B

Autor: Thomas J. Kleespies, Philip Watts

Publikováno v: Quarterly Journal of the Royal Meteorological Society. 132:3001-3010

The Microwave Humidity Sounder (MHS) has scan characteristics similar to those of the Advanced Microwave Sounding Unit-B (AMSU-B). However, its radiometric characteristics are somewhat different, for two channels in particular. Both of these channels

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::35d83be5c16f7a708e4d17be84272ecc
https://doi.org/10.1256/qj.05.03

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An Intercomparison of Radiation Codes for Retrieving Upper–Tropospheric Humidity in the 6.3–mm Band: A Report from the First GVaP Workshop

Publikováno v: Bulletin of the American Meteorological Society. 81:797-808

An intercomparison of radiation codes used in retrieving upper tropospheric humidity (UTH) from observations in the v2 (6.3 microns) water vapor absorption band was performed. This intercomparison is one part of a coordinated effort within the GEWEX

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3bf9b147a7fc9300350ca0b88383e23a
https://doi.org/10.1175/1520-0477(2000)081<0797:aiorcf>2.3.co

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The Retrieval of Marine Stratiform Cloud Properties from Multiple Observations in the 3.9-µm Window under Conditions of Varying Solar Illumination

Autor: Thomas J. Kleespies

Publikováno v: Journal of Applied Meteorology. 34:1512-1524

Radiometric observations in the 3.9-µm region have been used by a number of investigators for the determination of cloud parameters or sea surface temperature at night. Only a few attempts have been made to perform quantitative assessments of cloud

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b8eca63f9ef0a7ea7e31eec74b7d223a
https://doi.org/10.1175/1520-0450-34.7.1512

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Observing system simulation experiments at the National Centers for Environmental Prediction

Autor: Kenneth A. Campana, Stephen J. Lord, John S. Woollen, G. David Emmitt, Michiko Masutani, J. Terry, Sidney A. Wood, Thomas J. Kleespies, Steven Greco, Haibing Sun, Russ Treadon, Vaishali Kapoor

Publikováno v: Journal of Geophysical Research. 115

[1] Observing system impact assessments using atmospheric simulation experiments are conducted to provide an objective quantitative evaluation of future observing systems and instruments. Such simulation experiments using a proxy true atmosphere, Nat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eeed12b1c3488e8cf4004dd3bb0efe76
https://doi.org/10.1029/2009jd012528

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Retrieval of Precipitable Water from Observations in the Split Window over Varying Surface Temperatures

Autor: Thomas J. Kleespies, Larry M. McMillin

Publikováno v: Journal of Applied Meteorology. 29:851-862

The split window technique makes use of two differentially absorbing channels in the 11 μm region to remove the attenuating effects of atmospheric absorption so as to achieve a better estimate of the underlying skin temperature than could be produce

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::459921f6bba28d10bd5a9998798dcf26
https://doi.org/10.1175/1520-0450(1990)029<0851:ropwfo>2.0.co

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Atmospheric transmittance of an absorbing gas. 7. Further improvements to the OPTRAN 6 approach

Autor: Xiaozhen Xiong, Yong Han, Larry M. McMillin, Paul van Delst, Thomas J. Kleespies

Publikováno v: Applied optics. 45(9)

We present recent improvements in accuracy to the fast transmittance-calculation procedure, Optical Path Transmittance (OPTRAN), which is used for satellite data assimilation at the National Oceanic and Atmospheric Administration. These improvements

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e9c97ed2e406be34e4b461fb6a3b512a
https://pubmed.ncbi.nlm.nih.gov/16579573

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Atmospheric transmittance of an absorbing gas. 6. OPTRAN status report and introduction to the NESDIS/NCEP community radiative transfer model

Autor: John Derber, Paul van Delst, Thomas J. Kleespies, Larry M. McMillin

Publikováno v: Applied optics. 43(15)

Since the publication of the Optical Path Transmittance (OPTRAN) algorithm [Appl. Opt. 34, 8396 (1995)], much of the code and implementation has been refined and improved. The predictor set has been expanded, an objective method to select optimal pre

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c89756b12ce279e2fc51598ce1869d31
https://pubmed.ncbi.nlm.nih.gov/15176199

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Radiance and Jacobian intercomparison of radiative transfer models applied to HIRS and AMSU channels

Publikováno v: Journal of Geophysical Research: Atmospheres
Journal of Geophysical Research: Atmospheres, American Geophysical Union, 2001, 106 (D20), pp.24017-24031. ⟨10.1029/2000JD000184⟩
Scopus-Elsevier
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The goals of this study are the evaluation of current fast radiative transfer models (RTMs) and line-by-line (LBL) models. The intercomparison focuses on the modeling of 11 representative sounding channels routinely used at numerical weather predicti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cdb79c787912b6bf60a4bb32c80e7625
https://hal.archives-ouvertes.fr/hal-02946377

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Retrieval of cloud parameters by multiple observations in the near infrared under conditions of varying solar illumination

Autor: Thomas J. Kleespies

Publikováno v: Passive Infrared Remote Sensing of Clouds and the Atmosphere.

A method is presented to remove the thermal component of near-infrared radiances observed from geosynchronous satellites. The resulting solar component is then used to retrieve the effective radius of persistent marine stratiform clouds.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f3c791863bd1bdfdff9ce30289a7fdab
https://doi.org/10.1117/12.154917

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