Results 101 to 110 of about 462,434 (362)
Method for refurbishing and processing parachutes [PDF]
, 1982 A system and method for refurbishing and processing parachutes is discussed including an overhead monorail conveyor system on which the parachute is suspended for horizontal conveyance.
Crowell, R. T.
core +1 more source
Comparison of forest attributes derived from two terrestrial lidar systems. [PDF]
, 2013 Terrestrial lidar (TLS) is an emerging technology for deriving forest attributes, including conventional inventory and canopy characterizations. However, little is known about the influence of scanner specifications on derived forest parameters.
Astrup, Rasmus +5 more
core +2 more sources
Ecography, EarlyView.Ocean warming is driving the redistribution of species at a global scale. Biogeographic transition zones are hotspots of species range shifts, as both warm‐ and cold‐adapted species are found toward contrasting range edges. While anecdotal evidence suggests some distributional shifts have occurred in the northeast Atlantic, the empirical evidence base ...
Nora Salland +6 more
wiley +1 more source
Estimating Cotton Nitrogen Nutrition Status Using Leaf Greenness and Ground Cover Information
Remote Sensing, 2015 Assessing nitrogen (N) status is important from economic and environmental standpoints. To date, many spectral indices to estimate cotton chlorophyll or N content have been purely developed using statistical analysis approach where they are often subject
Farrah Melissa Muharam +3 more
doaj +1 more source
A laser technique for characterizing the geometry of plant canopies [PDF]
The interception of solar power by the canopy is investigated as a function of solar zenith angle (time), component of the canopy, and depth into the canopy.
Bauer, M. E. +2 more
core +1 more source
Contribution of leaf specular reflection to canopy reflectance under black soil case using stochastic radiative transfer model [PDF]
, 2018 Numerous canopy radiative transfer models have been proposed based on the assumption of “ideal bi-Lambertian leaves” with the aim of simplifying the interactions between photons and vegetation canopies.
Knyazikhin, Yuri +3 more
core +1 more source
Canopy elastic turbulence: Insights and analogies to canopy inertial turbulence
PNAS NexusAbstract Canopy flows occur when a moving fluid encounters a matrix of free-standing obstacles and are found in diverse systems, from forests and marine ecology to urban landscapes and biology (e.g. cilia arrays). In large-scale systems, involving Newtonian fluids (like water or air), canopy flows typically exhibit inertial turbulence ...
Ricardo Arturo Lopez de la Cruz +2 more
openaire +2 more sources
Pre‐industrial land‐use limits contemporary shrub encroachment in the French Alps
Ecography, EarlyView.Shrub encroachment has become a global phenomenon in recent decades. While global warming in the Arctic is often cited as the primary cause, human‐managed mountain regions have experienced intense historical land‐use that may also play a considerable role.
Baptiste Nicoud +6 more
wiley +1 more source
Tree Canopies Drive δ13C and δ15N Patterns in Mediterranean Wood Pastures of the Iberian Peninsula
LandMediterranean wood pastures are the result of traditional silvo-pastoral uses that shaped these ecosystems into a mosaic of trees and open grassland.
Mercedes Ibañez +6 more
doaj +1 more source
Acta Agriculturae Slovenica, 2014 Plasticity of plants to allocate leaf area and dry matter to upper layer of canopy play important role in canopy architecture and competition. In order to study the vertical distribution of leaf area and dry matter of corn (Zea mays L.), cover crops and ...
Fahimeh DADASHI +4 more
doaj +1 more source