نتایج جستجو برای: spatial scale

تعداد نتایج: 896113  

2009
Dung-Sheng Chen

The focus of this article is to explore how regional academic networks, including balanced global and local relationships, can contribute to the development of science, technology, and science studies and area studies in Asia. On the one hand, local scholars can employ global connections to pursue continuous collaborative academic activities from a region to the world, to learn various informat...

2003
Arnab K. Ray

The role of turbulence in a spherically symmetric accreting system has been studied on very large spatial scales of the system. This is also a highly subsonic flow region and here the accreting fluid has been treated as nearly incompressible. It has been shown here that the coupling of the mean flow and the turbulent fluctuations, gives rise to a scaling relation for an effective “turbulent vis...

1998
P. W. Vachon

It has been well established that Synthetic Aperture Radar (SAR) images over the ocean can provide wind information over small spatial scales. SAR image data can be used quantitatively as an imaging scatterometer if the SAR is calibrated and a suitable wind retrieval model is available [Vachon & Dobson 1996; Wackerman et al. 1996; Fetterer et al. 1998]. Canada’s Radarsat SAR (C-band HH polarisa...

2008
Christopher G. Peterson

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رضائیان, محسن ,

Spatial autocorrelation statistics provide summary information about the spatial arrangement of data in a map. In fact, these statistics compare neighboring area values in order to assess the level of large scale clustering. Whenever a large number of neighboring areas have either relatively large or relatively small values, large scale clustering may be detected. Detecting such clustering is a...

2002
C. Avois-Jacquet M. Louis

Previous studies on the abundance/biomass and species distribution of coastal tropical zooplankton have been done at a few stations, making them unsuitable to study spatial patterns. Whereas several physical and biological processes have been found to generate and maintain the spatial patterns of coastal tropical zooplankton, the scales of spatial dependency of these processes and their effects...

2004
Bradley D. Robbins Susan S. Bell

Abundance patterns of the hermit crab Pagurus maclaughlinae and its gastropod shell resources were compared to one another across the shallow subtidal landscape within Tampa Bay, Florida at a landscape (4.88 ha) and a sub-landscape (1 m2) scale. Specifically, we investigated whether the spatial abundance patterns of P. maclaughlinae over time could be explained by the abundance patterns of eith...

2014
J. Bosboom

Although it is generally acknowledged that the practical predictability at smaller scales may be limited, output of high-resolution morphodynamic area models is mostly presented at the resolution of the computational grid. The sopresented fields typically are realistic looking, but not necessarily of similar quality at all spatial scales. Unfortunately, commonly used single-number validation me...

2017
C. Rougé X. Cai Charles Rougé Ximing Cai

This paper uses past hydrological records in northeastern Illinois to understand the e ects of urban development and climatic variability at di erent spatial scales in the Greater Chicago Area. A step increase in annual precipitation occurred in northeastern Illinois during 1965− 1972 according to climate records. Urbanization has occurred as a gradual process over the entire Greater Chicago Ar...

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