Results 11 to 20 of about 23,731 (295)

Evolution of Habitat Quality and Its Response to Topographic Gradient Effect in a Karst Plateau: A Case Study of the Key Biodiversity Conservation Project Area of Wuling Mountains. [PDF]

open access: yesInt J Environ Res Public Health, 2022
Habitat quality (HQ) is widely considered to be a proxy indicator for biodiversity. Assessing the dynamic changes in HQ induced by land-use and land-cover (LULC) changes could provide a scientific perspective for regional sustainable development ...
Xie B, Meng S, Zhang M.
europepmc   +2 more sources

Processing the image gradient field using a topographic primal sketch approach [PDF]

open access: yesInternational Journal for Numerical Methods in Biomedical Engineering, 2015
SummaryThe spatial derivatives of the image intensity provide topographic information that may be used to identify and segment objects. The accurate computation of the derivatives is often hampered in medical images by the presence of noise and a limited resolution.
A. M. Gambaruto, Gambaruto, Alberto M
openaire   +5 more sources

Soil Biological Properties along a Topographic Gradient in Brazil’s Atlantic Forest Biome

open access: yesDiversity, 2023
The Atlantic Forest exhibits remarkable floristic diversity over short distances, and when combined with altitude, it results in variations in soil biological properties and hydrological dynamics.
Diego Lang Burak   +3 more
doaj   +2 more sources

Height Fluctuations and Surface Gradients in Topographic Measurements

open access: yesMaterials, 2023
Topographic maps are composed of pixels associated with coordinates (x, y, z) on a surface. Each pixel location (x, y) is linked with fluctuations in a measured height sample (z). Fluctuations here are uncertainties in heights estimated from multiple topographic measurements at the same position. Height samples (z) are measured at individual locations (
Lemesle, Julie   +6 more
openaire   +3 more sources

Multi-resolution topographic analysis in hexagonal Discrete Global Grid Systems

open access: yesInternational Journal of Applied Earth Observations and Geoinformation, 2022
Discrete Global Grid Systems (DGGS) have been increasingly adopted as a standard framework for multi-source geospatial data. Previous research largely studied the mathematical foundation of discrete global grids, developed open-source libraries, and ...
Mingke Li   +2 more
doaj   +1 more source

Effects of a topographic gradient on coastal current dynamics [PDF]

open access: yesJournal of Geophysical Research: Oceans, 2005
When a boundary current in a rotating environment encounters a significant change in depth, two typical behaviors are observed. The flow may bifurcate, with one branch moving away from the boundary following the topographic contours and the other branch following the boundary.
CENEDESE, Antonio   +2 more
openaire   +2 more sources

Topographical Gradient Characteristics of Land-Use Changes in the Agro-Pastoral Ecotone of Northern China

open access: yesLand, 2022
The agro-pastoral ecotone of northern China (AENC) is a significant ecological barrier, where the topographical features play basic roles in land-use change.
Qiaoqiao Gong   +3 more
doaj   +1 more source

Defining thalamic nuclei and topographic connectivity gradients in vivo [PDF]

open access: yesNeuroImage, 2017
The thalamus consists of multiple nuclei that have been previously defined by their chemoarchitectual and cytoarchitectual properties ex vivo. These form discrete, functionally specialized, territories with topographically arranged graduated patterns of connectivity.
Christian Lambert   +3 more
openaire   +3 more sources

Spatial and Temporal Distribution Characteristics of Landscape Ecological Risks in Karst Mountain Watersheds from Productive-Living-Ecological Perspective

open access: yesShuitu baochi tongbao, 2023
[Objective] The factors affecting landscape ecological risk in karst watersheds were determined in order to formulate ecological risk prevention and control measures and landscape management planning in mountain watersheds.
Zhaoliang Xia   +3 more
doaj   +1 more source

Variation of ecosystem service value with topographic gradient.

open access: yes, 2022
Variation of ecosystem service value with topographic gradient.
Shiying Wang (5179559)   +5 more
core   +1 more source

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