نتایج جستجو برای: scale spatial variation current approaches for assessing intra

تعداد نتایج: 11009081  

2018
Alison M Flanagan Roger D Flood Michael G Frisk Corey D Garza Glenn R Lopez Nicole P Maher Robert M Cerrato

This study addresses the impact of spatial scale on explaining variance in benthic communities. In particular, the analysis estimated the fraction of community variation that occurred at a spatial scale smaller than the sampling interval (i.e., the geographic distance between samples). This estimate is important because it sets a limit on the amount of community variation that can be explained ...

Journal: :Advanced Engineering Informatics 2014
André Borrmann Matthias Flurl Javier Ramos Jubierre Ralf-Peter Mundani Ernst Rank

The planning of large infrastructure projects such as inner-city subway tracks is a highly collaborative process in which numerous experts from different domains are involved. While performing the planning task, widely differing scales have to be taken into consideration, ranging from the kilometer scale for the general routing of the track down to the centimeter scale for the detailed design o...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - پژوهشکده ادبیات 1391

the major purpose of this study was to develop the translation teacher competency test (ttct) and examine its construct and predictive validity. the present study was conducted in two phases: a qualitative phase as well as a quantitative phase. in the first phase of the study, the author attempted to find out the major areas of competency required for an academic translation teacher. the second...

دیوسالار, اسداله, رنجبر, زینت, غلامیان آقامحلی, طاهره, قدمی, مصطفی,

The spatial structure of a city is the result of current spatial processes in a city and in a long run, has close relationship with the efficiency of urban development. Such a concept has a significant effect on the quality of competitiveness, livability, desirability, and the environmental invulnerability of the cities. In this regard, formulating a sustainable spatial structure depends on suc...

Journal: :مدیریت خاک و تولید پایدار 0
نورایر تومانیان هیات علمی نیکو حمزه پور استادیار مصطفی کریمیان اقبال دانشیار رضا سکوتی اسکویی ریاست مرکز تحقیقات کشاورزی و منابع طبیعی استان آذربایجان غربی. پاتریک بوگارت استاد

in recent years, decrease in depth of uromia lake, has resulted in higher increase of salinity threat in agricultural lands around the lake. the aims of this study were 1- investigation of the spatial changes in soil salinity using the bayesian maximum entropy method (bme); 2- prediction of the boundary between saline and agricultural lands; and 3- assessment of the uncertainty involved with sa...

Journal: :Pattern Recognition Letters 2021

Several cyber-security data sources are collected in enterprise networks providing relational information between different types of nodes the network, namely computers, users and ports. This can be expressed as adjacency matrices detailing inter-type relationships corresponding to relations intra-type showing same type. In this paper, we propose an extension Non-Negative Matrix Tri-Factorisati...

2015
Tanja Wolf Wen-Ching Chuang Glenn McGregor Jan C. Semenza

Human vulnerability to heat varies at a range of spatial scales, especially within cities where there can be noticeable intra-urban differences in heat risk factors. Mapping and visualizing intra-urban heat vulnerability offers opportunities for presenting information to support decision-making. For example the visualization of the spatial variation of heat vulnerability has the potential to en...

2011
Konstantin Y. Vinnikov Yunyue Yu Mitchell D. Goldberg Ming Chen Dan Tarpley

[1] Scales of temporal and spatial variability of clear‐sky land surface temperature (LST) in middle latitudes are empirically evaluated using data from satellite and land surface observations. We consider separately the time‐dependent expected value, its spatial variations, weather‐related temporal and spatial anomalies, and errors of LST observation. Seasonal and diurnal cycles in the time‐de...

2012
Gesa Matthes

Following the discussion on reurbanization (changing intra-regional migration patterns), our research project treats transport-related consequences of this spatial development in German city regions. The hypothesis is that reurbanization bears potential to spread environmentally friendly ways of organizing daily mobility – but that the chance of those positive effects might be given away, if po...

2012
Ana L. Márquez Raimundo Real Marta S. Kin José Carlos Guerrero Betina Galván A. Márcia Barbosa Jesús Olivero L. Javier Palomo J. Mario Vargas Enrique Justo

We analysed the main geographical trends of terrestrial mammal species richness (SR) in Argentina, assessing how broad-scale environmental variation (defined by climatic and topographic variables) and the spatial form of the country (defined by spatial filters based on spatial eigenvector mapping (SEVM)) influence the kinds and the numbers of mammal species along these geographical trends. We a...

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