نتایج جستجو برای: AOD

تعداد نتایج: 1770  

Journal: :Journal of the American College of Cardiology 2016
Jonathan W Weinsaft Richard B Devereux Liliana R Preiss Attila Feher Mary J Roman Craig T Basson Alexi Geevarghese William Ravekes Harry C Dietz Kathryn Holmes Jennifer Habashi Reed E Pyeritz Joseph Bavaria Karianna Milewski Scott A LeMaire Shaine Morris Dianna M Milewicz Siddharth Prakash Cheryl Maslen Howard K Song G Michael Silberbach Ralph V Shohet Nazli McDonnell Tabitha Hendershot Kim A Eagle Federico M Asch

BACKGROUND Aortic dissection (AoD) is a serious complication of thoracic aortic aneurysm (TAA). Relative risk for AoD in relation to TAA etiology, incidence, and pattern after prophylactic TAA surgery are poorly understood. OBJECTIVES This study sought to determine the incidence, pattern, and relative risk for AoD among patients with genetically associated TAA. METHODS The population includ...

Introduction: The study’s main aim is to investigate the long-term variation of Aerosol Optical Depth (AOD). It also aims to show the relationship between meteorological parameters. This study evaluates long-term (2010 to 2021) special and temporal changes over major Indian regions using satellite-based data from NASA’s Terra Satellite. Materials and Methods: This study was carried out during ...

2005
Andrew Jackson Siobhán Clarke

Aspect oriented design (AOD) research is fragmented. Barriers to AOD adoption are, in part, due to the fragmented nature of AOD research. Individually, many approaches provide elegant solutions to subsets of particular key issues which relate to AOD. Collectively, a significant set of these issues are addressed. We propose integrating existing AOD approaches through a generic AOD process. It is...

2012
Y. Xue

This discussion paper is/has been under review for the journal Atmospheric Chemistry and Physics (ACP). Please refer to the corresponding final paper in ACP if available. Abstract Agricultural biomass burning (ABB) in Central and East China occurs every year from occurred mainly in An-hui, Henan, Jiangsu and Shandong provinces. A comprehensive set of aerosol optical 5 depth (AOD) data, produced...

2016
Xin-peng Tian Lin Sun Gabriele Curci

Moderate Resolution Imaging Spectroradiometer (MODIS) data have been widely applied for the remote sensing of aerosol optical depth (AOD) because the MODIS sensor features a short revisit period and a moderate spatial resolution. The Dense Dark Vegetation (DDV) method is the most popular retrieval method. However, the DDV method can only be used to retrieve the AOD with high precision when the ...

Journal: :Remote Sensing 2017
Tianhao Zhang Chao Zeng Wei Gong Lunche Wang Kun Sun Huanfeng Shen Zhongmin Zhu Zerun Zhu

The Moderate Resolution Imaging Spectroradiometer (MODIS) provides widespread Aerosol Optical Depth (AOD) datasets for climatological and environmental health research. Since MODIS AOD clearly lacks coverage in orbit-scanning gaps and cloud obscuration, some applications will benefit from data recovery using multi-temporal AOD. Aimed at qualitatively describing the relationship between multi-te...

Journal: :Remote Sensing 2017
Kun Sun Xiaoling Chen Zhongmin Zhu Tianhao Zhang

Aerosol Optical Depth (AOD) is crucial for urban air quality assessment. However, the frequently used moderate-resolution imaging spectroradiometer (MODIS) AOD product at 10 km resolution is too coarse to be applied in a regional-scale study. Gaofen-1 (GF-1) wide-field-of-view (WFV) camera data, with high spatial and temporal resolution, has great potential in estimation of AOD. Due to the lack...

Journal: :Remote Sensing 2016
Lin Sun Jing Wei Muhammad Bilal Xinpeng Tian Chen Jia Yamin Guo Xueting Mi

Conventional methods for Aerosol Optical Depth (AOD) retrieval are limited to areas with low reflectance such as water or vegetated areas because the satellite signals from the aerosols in these areas are more obvious than those in areas with higher reflectance such as urban and sandy areas. Land Surface Reflectance (LSR) is the key parameter that must be estimated accurately. Most current meth...

2009
Yang Liu Christopher J. Paciorek Petros Koutrakis

BACKGROUND Studies of chronic health effects due to exposures to particulate matter with aerodynamic diameters <or= 2.5 microm (PM(2.5)) are often limited by sparse measurements. Satellite aerosol remote sensing data may be used to extend PM(2.5) ground networks to cover a much larger area. OBJECTIVES In this study we examined the benefits of using aerosol optical depth (AOD) retrieved by the...

2009
Christopher J. Paciorek Yang Liu

BACKGROUND Recent research highlights the promise of remotely sensed aerosol optical depth (AOD) as a proxy for ground-level particulate matter with aerodynamic diameter <or= 2.5 microm (PM(2.5)). Particular interest lies in estimating spatial heterogeneity using AOD, with important application to estimating pollution exposure for public health purposes. Given the correlations reported between ...

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