نتایج جستجو برای: airs

تعداد نتایج: 821  

2004
Xuebao Wu Jun LI Yuanjing Zhu Paul Menzel Wenjian Zhang

This report reviews briefly the characteristics of high spectral resolution satellite infrared remote sensing. The paper also describes the use of EOS-Aqua AIRS measurements to characterize the surface properties important for IR thermal emission. Infrared rapid transmittance model is used for the sensitivity study of surface parameters and the atmospheric parameters from lower troposphere. Six...

2010
Xun Jiang Moustafa T. Chahine Edward T. Olsen Luke L. Chen Yuk L. Yung

[1] Atmospheric Infrared Sounder (AIRS) offers a unique opportunity to investigate the variability of mid‐tropospheric CO2 over the entire globe. In this paper, we use AIRS data to examine the interannual variability of CO2 and find significant correlations between AIRS mid‐tropospheric CO2 and large‐scale atmospheric dynamics. During El Niño events, mid‐tropospheric CO2 over the central Pacifi...

2013
XUN JIANG JINGQIAN WANG EDWARD T. OLSEN MAOCHANG LIANG THOMAS S. PAGANO LUKE L. CHEN STEPHEN J. LICATA YUK L. YUNG

The authors investigate the influence of El Niño on midtropospheric CO2 from the Atmospheric Infrared Sounder (AIRS) and the Model for Ozone and Related Chemical Tracers, version 2 (MOZART-2). AIRS midtropospheric CO2 data are used to study the temporal and spatial variability of CO2 in response to El Niño. CO2 differences between the central and western Pacific Ocean correlate well with the So...

2007
Xianfeng Zhang Xiaolin Wang Zhengjie Yin Huiqiang Li

In this paper artificial immune recognition system (AIRS) is employed as an emerging technique of data mining to extract the reservoir operating rules with a case of water supply reservoir, and we mainly focus on the impacts of learning mechanisms of AIRS on the obtained operation rules, therefore the mechanisms are explored and different gene encodings, as knowledge representatives, and the un...

Journal: :IEEE Trans. Geoscience and Remote Sensing 2003
Catherine Gautier Shiren Yang Mark D. Hofstadter

A component of the Atmospheric Infrared Sounder (AIRS) instrument system is the AIRS/Visible Near InfraRed (Vis/NIR) instrument. With a nadir ground resolution of 2.28 km and four channels, the Vis/NIR instrument provides diagnostic support to the infrared retrievals from the AIRS instrument and several research products, including surface solar flux studies. The AIRS Vis/NIR is composed of thr...

2006
Liguang Wu Scott A. Braun John J. Qu Xianjun Hao

[1] Using the AIRS retrieved temperature and humidity profiles, the Saharan Air Layer (SAL) influence on the formation of Hurricane Isabel (2003) is simulated numerically with the MM5 model. The warmth and dryness of the SAL (the thermodynamic effect) is assimilated by use of the nudging technique, which enables the model thermodynamic state to be relaxed to the profiles of the AIRS retrieved d...

2009
Jun Li Hui Liu

[1] Hyperspectral infrared sounders such as the AIRS and IASI provide unprecedented global atmospheric temperature and moisture soundings with high vertical resolution and accuracy. The AIRS and IASI data have been used in global numerical weather prediction models with positive impact on weather forecasts. The high spatial resolution single field-ofview soundings retrieved from AIRS have been ...

Journal: :Marges 2008

2017
Anca Doloc-Mihu

Navigation and interaction are essential features for an interface that is built as a help tool for analyzing large image databases. A tool for actively searching for information in large image databases is called an Image Retrieval System, or its more advanced version is called an Adaptive Image Retrieval System (AIRS). In an Adaptive Image Retrieval System (AIRS) the user-system interaction i...

2008
Bradley T. Zavodsky Shih-Hung Chou Gary Jedlovec William Lapenta

The Atmospheric Infrared Sounder (AIRS), together with the Advanced Microwave Sounding Unit (AMSU), represents one of the most advanced space-based atmospheric sounding systems. Aside from monitoring changes in Earth's climate, one of the objectives of AIRS is to provide sounding information with sufficient accuracy such that the assimilation of the new observations, especially in data sparse r...

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