نتایج جستجو برای: landscape morphology

تعداد نتایج: 213532  

2009
Oleg V. Angelsky Alexander P. Maksimyak Peter P. Maksimyak Steen G. Hanson

Peculiarities of the spatial behaviour of the dislocation lines resulting from scattering of coherent radiation from random and fractal rough surfaces are studied. The technique of optical correlation is proposed for diagnostics of phase singularities in a complex speckle field by comparing the correlation lengths of amplitude and intensity of the local fields. It is shown that the dislocation ...

2008
James D. Wickham

The composition of a landscape is a fundamental indicator in land-cover pattern assessments. The objective of this paper was to evaluate a landscape composition indicator called 'landscape mosaic' as a framework for interpreting land-cover dynamics over a 9-year period in a 360,000 km2 study area in the southern United States. The indicator classified a land parcel into one of 19 possible lands...

2005
Ruth Wenger Rosmarie Sommer Susanne Wymann

2009
B. Gintert N. Gracias A.C.R. Gleason D. Lirman M. Dick P. Kramer R. P. Reid

Efficient survey methodologies that provide comprehensive assessment of reef condition are fundamental to coral reef monitoring. Current state-of-the-art techniques in coral reef assessment rely on highly trained scientific divers to measure indices of reef health (e.g., substrate cover, species richness, coral size, coral mortality). First-generation video mosaics were an innovative survey tec...

Journal: :Perspectives on Science 2021

Abstract This paper investigates the mechanisms of knowledge production twenty-first century robotics-inspired morphology. How robotics influences investigations into structure, development, and change organic forms? Which definition form is presupposed by this new approach to study form? I answer these questions investigating how robots are used understand generate about locomotion extinct ani...

Journal: :Molecular ecology 2008
Joshua M Hull Angus C Hull Benjamin N Sacks Jeff P Smith Holly B Ernest

Landscape-scale population genetic structure in vagile vertebrates was commonly considered to be a contradiction in terms whereas recent studies have demonstrated behaviour and habitat associated structure in several such species. We investigate whether landscape features influence morphological and genetic differentiation in a widespread, mobile raptor. To accurately describe genetic different...

2016
Ian H. Guldner Lin Yang Kyle R. Cowdrick Qingfei Wang Wendy V. Alvarez Barrios Victoria R. Zellmer Yizhe Zhang Misha Host Fang Liu Danny Z. Chen Siyuan Zhang

Metastatic microenvironments are spatially and compositionally heterogeneous. This seemingly stochastic heterogeneity provides researchers great challenges in elucidating factors that determine metastatic outgrowth. Herein, we develop and implement an integrative platform that will enable researchers to obtain novel insights from intricate metastatic landscapes. Our two-segment platform begins ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2015
Edwin R C Baynes Mikaël Attal Samuel Niedermann Linda A Kirstein Andrew J Dugmore Mark Naylor

Extreme flood events have the potential to cause catastrophic landscape change in short periods of time (10(0) to 10(3) h). However, their impacts are rarely considered in studies of long-term landscape evolution (>10(3) y), because the mechanisms of erosion during such floods are poorly constrained. Here we use topographic analysis and cosmogenic (3)He surface exposure dating of fluvially scul...

Journal: :space ontology international journal 2015
anoosheh gohari homa behbahani ismael salehi

despite the close relationship between collective memory and urban structure, as the relationship between what is hidden and what is visible, rapid changes throughout the city have caused a disconnection between integrated memories and landscape cohesion. as a context for memories, the historical urban landscape proves valuable. the present research seeks to identify elements and signs in urban...

2010
Brian A. Clarke Douglas W. Burbank

a r t i c l e i n f o Keywords: bedrock fractures threshold slopes landslides landscape evolution erosion Bedrock fracturing and rock strength are widely believed to influence landscape morphology and erosional resistance. Yet, understanding of the quantitative relationship between rock-mass strength and landscape evolution remains limited. Here we present a new application of seismic refractio...

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