نتایج جستجو برای: interception rate

تعداد نتایج: 964247  

Ali Tavili, Ghassem Assadian Mohammad Jafari Mohsen Mohseni Saravi, Nasrin Kolahchi

Vegetation cover is the first barrier for the raindrops resulting to the interception and infiltration loss. Interception as one of the main components of ecohydrology equation plays a major role in the water balance of rangelands. However, few studies have been done on the interception of rangeland plants in Iran. This study was carried out to find the interception rate in Astragalus parrowian...

Journal: :journal of rangeland science 2011
nasrin kolahchi mohsen mohseni saravi ali tavili mohammad jafari ghassem assadian

vegetation cover is the first barrier for the raindrops resulting to the interception and infiltration loss. interception as one of the main components of ecohydrology equation plays a major role in the water balance of rangelands. however, few studies have been done on the interception of rangeland plants in iran. this study was carried out to find the interception rate in astragalus parrowian...

Journal: :international journal of environmental research 2009
m. murugan p.k. shetty r. ravi a. subbiah

since 1895 cardamom has been cultivated in the cardamom hills of western ghats, india, which form a part of global biodiversity hot spots. these tropical forests in the last couple of decades have been subjected for severe periodical shade lopping and selective felling for maximizing cardamom production. photosynthesis, transpiration, leaf temperature and leaf relative humidity was studied in r...

2016
Jian Jiao Derong Su Yadong Wang

Estimating canopy interception of water by plants during rainfall or sprinkler irrigation is a critical step for evaluating water-use efficiency. Most existing experimental studies and mathematic models of canopy interception have paid little attention to the interception losses of water by herbaceous plants. To better understand the canopy interception processes of herbaceous plants and to est...

2000
N. A. Jackson

Rainfall interception losses from an agroforestry system in semi-arid Kenya comprising Grevillea robusta and maize were measured over a period of 33 months. These measurements showed that interception was slightly higher (10.2%) under trees with no maize understorey, than in the intercropped treatment (9.8%), and was directly related to the degree of tree canopy cover. Interception estimates us...

2000
N. Zeng J. W. Shuttleworth J.H.C. Gash

An interception model that links the temporal variability of rainfall with the storm-based description of the interception process is derived. Analytical formulae for long-term interception loss are obtained for precipitation with statistical characteristics derived from observations. The analysis of the results indicates that the point interception loss is controlled primarily by three time sc...

2018
Dae Ho Jung Joon Woo Lee Woo Hyun Kang In Ha Hwang Jung Eek Son

Photosynthesis is an important physiological response for determination of CO₂ fertilization in greenhouses and estimation of crop growth. In order to estimate the whole plant photosynthetic rate, it is necessary to investigate how light interception by crops changes with environmental and morphological factors. The objectives of this study were to analyze plant light interception using a three...

2016
Jee Hoon Kim Joon Woo Lee Tae In Ahn Jong Hwa Shin Kyung Sub Park Jung Eek Son

Canopy photosynthesis has typically been estimated using mathematical models that have the following assumptions: the light interception inside the canopy exponentially declines with the canopy depth, and the photosynthetic capacity is affected by light interception as a result of acclimation. However, in actual situations, light interception in the canopy is quite heterogenous depending on env...

Journal: :Journal of the American Medical Informatics Association : JAMIA 2013
William L. Galanter Suzanne Falck Matthew Burns Marci Laragh Bruce L. Lambert

OBJECTIVE To determine whether indication-based computer order entry alerts intercept wrong-patient medication errors. MATERIALS AND METHODS At an academic medical center serving inpatients and outpatients, we developed and implemented a clinical decision support system to prompt clinicians for indications when certain medications were ordered without an appropriately coded indication on the ...

2014
Setareh Shahsavari Brian L. Wardle Gareth H. McKinley

The flow interception efficiency, which provides a measure of the fraction of streamlines that intercept a porous collector, is an important parameter in applications such as particle capture, filtration, and sedimentation. In this work, flow permeation through a porous circular cylinder located symmetrically between two impermeable parallel plates is investigated numerically under different fl...

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