نتایج جستجو برای: spatial point patterns

تعداد نتایج: 1217783  

Journal: :Journal of Environmental Systems 1976

Mohammadi, Alireza, Noori, Sepideh,

Background and Amis: Unbalanced spatial distribution of industries in most regions of the developing countries, can be have undesirable economic, environmental and social effects. Understanding the spatial distribution patterns of industries is essential for their planning and distribution in the regions.The aim of present study is to analyze the distribution and spatial patterns of Ardabil ‎pr...

Journal: :Geography Compass 2017

Journal: :معماری و شهرسازی 0
امید ریسمانچیان دانشجوی دکترای معماری و شهرسازی، دانشکده هنر ادینبورگ، بریتانیا سایمون بل استاد محقق، دانشکده هنر ادینبورگ، بریتانیا

the theory of natural movement was developed by hillier and hanson at 1984 and investigates the relation between social and spatial forms. hillier believes that space is the key aspect of how social and cultural worlds are made in the real world. hillier claims that social and spatial forms follow such a consistent pattern that spatial configuration determines social patterns such as land-use a...

2017
Abdollah Jalilian Yongtao Guan Rasmus Waagepetersen

The pair correlation function is a fundamental spatial point process characteristic that, given the intensity function, determines second order moments of the point process. Non-parametric estimation of the pair correlation function is a typical initial step of a statistical analysis of a spatial point pattern. Kernel estimators are popular but especially for clustered point patterns suffer fro...

Journal: :جنگل و فرآورده های چوب 0
فریده امیدوار حسینی دانشجوی کارشناسی ارشد رشتۀ جنگلداری، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، تهران، ایران رضا اخوان استادیار پژوهش، مؤسسۀ تحقیقات جنگل ها و مراتع کشور، تهران، ایران هادی کیادلیری استادیار گروه جنگلداری، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات، تهران، ایران اسداله متاجی دانشیار گروه جنگلداری، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات، تهران، ایران

one of the most visible aspects of a forest stand structure is the spatial patterns of trees. competition affects on forest structure and its understanding is important, when the purpose of forest management is to imitate the dynamic of natural ecosystems. for this purpose, an unmanaged intact forest was selected with 26 hectares area. all chestnut leaf oak (quercus castaneifolia) trees with a ...

Journal: :Computers & Geosciences 2011
Didier G. Leibovici Lucy Bastin Mike Jackson

Analyzing geographical patterns by collocating events, objects or their attributes has a long history in surveillance and monitoring, and is particularly applied in environmental contexts, such as ecology or epidemiology. The identification of patterns or structures at some scales can be addressed using spatial statistics, particularly marked point processes methodologies. Classification and re...

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