نتایج جستجو برای: topographic effect

تعداد نتایج: 1654418  

2007
Bunkei Matsushita Wei Yang Jin Chen Yuyichi Onda Guoyu Qiu

Vegetation indices play an important role in monitoring variations in vegetation.The Enhanced Vegetation Index (EVI) proposed by the MODIS Land Discipline Groupand the Normalized Difference Vegetation Index (NDVI) are both global-based vegetationindices aimed at providing consistent spatial and temporal information regarding globalvegetation. However, many environmental factors such as atmosphe...

2016
Parthiv Kant Chaudhuri Catherine Qiurong Pan Boon Chuan Low Chwee Teck Lim

Although the role of stiffness on proliferative response of cancer cells has been well studied, little is known about the effect of topographic cues in guiding cancer cell proliferation. Here, we examined the effect of topographic cues on cancer cell proliferation using micron scale topographic features and observed that anisotropic features like microgratings at specific dimension could reduce...

2015
H. Adhikari J. Heiskanen E. E. Maeda P. K. E. Pellikka

Fractional tree cover (Fcover) is an important biophysical variable for measuring forest degradation and characterizing land cover. Recently, atmospherically corrected Landsat data have become available, providing opportunities for high-resolution mapping of forest attributes at global-scale. However, topographic correction is a pre-processing step that remains to be addressed. While several me...

2017
Yongwon Mo Dong Kun Lee Keunyea Song Ho Gul Kim Soo Jin Park

The use of biodiversity surrogates has been discussed in the context of designing habitat linkages to support the migration of species affected by climate change. Topography has been proposed as a useful surrogate in the coarse-filter approach, as the hydrological process caused by topography such as erosion and accumulation is the basis of ecological processes. However, some studies that have ...

Journal: :Remote Sensing 2016
Rosa Maria Alsina Pages Marcos Hervás Ferran Orga Joan Lluís Pijoan David Badia David Altadill

Rosa Ma Alsina-Pagès 1,*, Marcos Hervás 1, Ferran Orga 1, Joan Lluís Pijoan 2, David Badia 2 and David Altadill 3 1 GTM—Grup de Recerca en Tecnologies Mèdia, La Salle—Universitat Ramon Llull, C/Quatre Camins, 30, 08022 Barcelona, Spain; [email protected] (M.H.); [email protected] (F.O.) 2 GR-SETAD, La Salle—Universitat Ramon Llull, C/Quatre Camins, 30, 08022 Barcelona, Spain; joanp@salleurl...

Journal: :International Journal of Environmental Research and Public Health 2019

2004
Anna Bartkowiak

Visualizing large data by the SOM and GTM methods – what are we obtaining? Anna Bartkowiak University of Wrocław, Institute of Computer Science, Przesmyckiego 20, Wrocław 51–151, PL Abstract We consider the visualization of multivariate data yielded by the SOM and the GTM methods. Special emphasis is put on the position of outliers and extreme points. When evaluating four data sets, it is found...

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