نتایج جستجو برای: natural and manmade coastal changes
تعداد نتایج: 16978856 فیلتر نتایج به سال:
We have designed and implemented a comprehensive study of a major, land-estuarine system in the Acadian biogeographic province in eastern New England (Fig 1). Our goal is to develop a predictive understanding of the long-term response of watershed and estuarine ecosystems at the land-sea interface to changes in climate, land use and sea level and to apply this knowledge to the wise management a...
this study evaluates changes in species composition, catch, and cpue of three species of kilkas in the caspian sea from 1961 to 2009. the effects of fluctuations in sea level rise and fall on the catch of kilka as well as the impacts of a recent invasion by mnemiopsis leidyi (ctenophora) were assessed in terms of species composition and cpue of kilkas in the iranian coastal region of the caspia...
today, scouring is one of the important topics in the river and coastal engineering so that the most destruction in the bridges is occurred due to this phenomenon. whereas the bridges are assumed as the most important connecting structures in the communications roads in the country and their importance is doubled while floodwater, thus exact design and maintenance thereof is very crucial. f...
This paper presents a methodology for localization of manmade objects in complex scenes by learning multiple feature models in images. The methodology is based on a modular structure consisting of multiple classifiers, each of which solves the problem independently based on its input observations. Each classifier module is trained to detect manmade object regions and a higher order decision int...
ISSN 2277 – 503X | © 2012 Bonfring Abstract--The Remote sensing technology is measured or observed reflected energy to construct an image of the landscape beneath the platform passage in a discrete pixel format. The geometric and radiometric characteristics of remotely sensed image provide information about earth’s surface. In the present study, the primary data product obtained from IRS P6 sat...
This paper applies perceptual grouping rules to the retrieval by classification of images containing large manmade objects such as buildings, towers, bridges, and other architectural objects. The semantic interrelationships between primitive image features are exploited by perceptual grouping to extract structure to detect the presence of manmade objects. Segmentation and detailed object repres...
In this investigation, it was tried to identify major requirements of Ramsar city concerning passive and civil defense and to propose necessary strategies via evaluation of principles and methods of passive defense in preparation of civil plans especially from land use perspective. The objective of the present study was urban planning using passive defense principles and approaches in Ramsar, d...
My name is Gary S. Kleppel. I am Principal Investigator and Science Coordinator of the Land Use – Coastal Ecosystem Study (LU-CES). LU-CES is a multi-year, regional investigation of the effects of changing land use patterns and coastal development on the natural and economic resources of the salt marsh estuaries of the southeastern United States. The kinds of changes that we are concerned with ...
This paper applies perceptual grouping rules to the retrieval by classi"cation of images containing large manmade objects such as buildings, towers, bridges, and other architectural objects. The semantic interrelationships between primitive image features are exploited by perceptual grouping to extract structure to detect the presence of manmade objects. Segmentation and detailed object represe...
In coastal regions, water, wind, gravitation, vegetation, and human activity continuously alter landscape surfaces. Visualizations are important for understanding coastal landscape evolution and its driving processes. Visualizing change in highly dynamic coastal terrain poses a formidable challenge; the combination of natural and anthropogenic forces leads to cycles of retreat and recovery and ...
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