نتایج جستجو برای: global change

تعداد نتایج: 992480  

Journal: :Remote Sensing 2017
Yuan Z. Yang Wen H. Cai Jian Yang

Air temperature (Tair) near the ground surface is a fundamental descriptor of terrestrial environment conditions and one of the most widely used climatic variables in global change studies. The main objective of this study was to explore the possibility of retrieving high-resolution Tair from the Moderate Resolution Imaging Spectroradiometer (MODIS) land surface temperature (LST) products, cove...

2012
J. E. Shilling R. A. Zaveri J. D. Fast L. Kleinman M. L. Alexander M. R. Canagaratna E. Fortner J. M. Hubbe J. T. Jayne A. Sedlacek A. Setyan S. Springston D. R. Worsnop

J. E. Shilling, R. A. Zaveri, J. D. Fast, L. Kleinman, M. L. Alexander, M. R. Canagaratna, E. Fortner, J. M. Hubbe, J. T. Jayne, A. Sedlacek, A. Setyan, S. Springston, D. R. Worsnop, and Q. Zhang Atmospheric Sciences and Global Change Division, Pacific Northwest National Laboratory Richland, WA 99352, USA Atmospheric Sciences Division, Brookhaven National Laboratory, Upton, NY 11973, USA Enviro...

1994
Sunita Sarawagi Michael Stonebraker

Large multidimensional arrays are widely used in scientiic and engineering database applications. In this paper, we present methods of organizing arrays to make their access on secondary and tertiary memory devices fast and eecient. We have developed four techniques for doing this: (1) storing the array in multidimensional \chunks" to minimize the number of blocks fetched, (2) reordering the ch...

2003
Dale Jamieson

There is currently a great deal of discussion in various national and international fora about how to design global change research programmes (for an overview of part of the terrain see Price).’ American policy analysts often invoke the National Acid Precipitation Project (NAPAP) as a textbook example of how not to do policy relevant research (ses for example US Congress, Offlce of Technology ...

2013
Toshihiko Sugiura Hidekazu Ogawa Noriaki Fukuda Takaya Moriguchi

The effects of climate change on the taste and textural attributes of foods remain largely unknown, despite much public interest. On the basis of 30-40 years of records, we provide evidence that the taste and textural attributes of apples have changed as a result of recent global warming. Decreases in both acid concentration, fruit firmness and watercore development were observed regardless of ...

Journal: :IEEE Data Eng. Bull. 1993
Nabil I. Hachem Michael A. Gennert Matthew O. Ward

The long-term goal of the Gaea project is to develop an extensible, object-oriented data management and analysis system to be used by researchers in the eld of global change [1]. The current goal is to develop a prototype, which can be used by geographers in a user-friendly manner, yet permits integration of heterogeneous and complex data types, and interactive development of sophisticated meth...

2012
J. E. Shilling R. A. Zaveri J. D. Fast L. Kleinman M. L. Alexander M. R. Canagaratna E. Fortner J. M. Hubbe J. T. Jayne A. Sedlacek

J. E. Shilling, R. A. Zaveri, J. D. Fast, L. Kleinman, M. L. Alexander, M. R. Canagaratna, E. Fortner, J. M. Hubbe, J. T. Jayne, A. Sedlacek, A. Setyan, S. Springston, D. R. Worsnop, and Q. Zhang Atmospheric Sciences and Global Change Division, Pacific Northwest National Laboratory Richland, WA 99352, USA Atmospheric Sciences Division, Brookhaven National Laboratory, Upton, NY 11973, USA Enviro...

2016
Brandon R. McFadden

There is great uncertainty due to challenges of escalating population growth and climate change. Public perception that diverges from the scientific community may decrease the effectiveness of scientific inquiry and innovation as tools to solve these challenges. The objective of this study was to identify the factors associated with the divergence of public opinion from scientific consensus reg...

Journal: :Environmental Health Perspectives 1991
P R Jutro

Worldwide climate change and loss of biodiversity are issues of global scope and importance that have recently become subjects of considerable public concern. Unlike classical public health issues and many environmental issues, their perceived threat lies in their potential to disrupt ecological functioning and stability rather than from any direct threat that may pose to human health. Over the...

1994
Sunita Sarawagi Michael Stonebraker

Large multidimensional arrays are widely used in sci-entiic and engineering database applications. In this paper, we present methods of organizing arrays to make their access on secondary and tertiary memory devices fast and eecient. We have developed four techniques for doing this: (1) storing the array in multidimensional \chunks" to minimize the number of blocks fetched, (2) reordering the c...

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