نتایج جستجو برای: free throughfall coefficient

تعداد نتایج: 674925  

Journal: :journal of agricultural science and technology 2011
m. t. ahmadi p. attarod v. bayramzadeh

gross rainfall (gr) partitioning into throughfall (tf), stemflow (sf) and interception loss (i) was studied in a pure oriental beech (fagus orientalis lipsky) forest located in the central caspian region of northern iran. measurements were performed on a rainfall event basis in a 5625 m2 plot of the kheyrud forest research station of tehran university during 2008 and 2009 growing seasons. gr wa...

Journal: :caspian journal of environmental sciences 2013
al. et e. khosropour

this research was carried out in order to quantify throughfall (tf) and interception loss (i) and to compare the chemical composition of tf, i.e. lead (pb) and cadmium (cd) as well as electrical conductivity (ec) and ph beneath pinus eldarica and cupressus arizonica plantations and the open field rainfall. the research was accomplished in the chitgar forest park, a semi-arid polluted urban area...

2009
De Schrijver

Introduction As the extent of forest fragmentation in­ creases worldwide, forest edges are becom­ ing an increasingly important feature in the landscape matrix (Harper et al. 2005). At forest edges, acidifying (N+S) and nitrogen (N) throughfall deposition are increased up to four times compared to the forest interior, and this edge effect decreases exponentially with increasing distance from th...

1999
M. A. KHAN

The water balance and hydrochemistry of precipitation components in Acacia tortilis and Chlorophospermum mopane forests in the arid zone of Rajasthan, India, were studied for four years (1993-1996). Rainfall and throughfall were measured for each rainfall event during the monsoon season (June-September) using an automatic raingauge and 96 graduated containers, respectively. Stemflow was measure...

Journal: :Hydrological Processes 2022

Throughfall, that is, the fraction of rainfall passes through forest canopy, is strongly influenced by and stand characteristics which are in turn both subject to seasonal dynamics. Disentangling complex interplay these controls challenging, only possible with long-term monitoring a large number throughfall events measured parallel at different stands. We therefore based our analysis on 346 acr...

Journal: :Ra'e Ga 2022

Vegetation cover plays an essential role in the vertical and horizontal distribution of rainwater. As rainwater passes through canopy, it can be divided into interception loss, throughfall, stemflow. In areas where yerba mate is cultivated, loss influences variability water reaching soil, surface runoff, nutrient cycling. The objective this study was to evaluate stemflow, ( Iex paraguariensis )...

2007
Stefan Godzik Jerzy Szdzuj Tomasz Staszewski Wlodzimierz Lukasik

2 Professor of Natural Sciences, Physicist, Biologist, and Biologist, respectively, Institute for Ecology of Industrial Areas, Kossutha 6, 40-833 Katowice, Poland. Abstract Air pollution, bulk deposition and throughfall, soil characteristics, needle chemistry, and forest injury were studied on six permanent plots from the south (Brenna and Salmopol in the Beskidy Mountains) to the north (Gac, t...

2002
DOMINIQUE AUBERT PETER STILLE ANNE PROBST FRANÇOIS GAUTHIER-LAFAYE LAURENT POURCELOT

Rainwater and snow collected from three different sites in France (Vosges Mountains, French Alps and Strasbourg) show more or less similar shapes of their REE distribution patterns. Rainwater from Strasbourg is the most REE enriched sample, whereas precipitations from the two mountainous, less polluted catchments are less REE enriched and have concentrations close to seawater. They are all stro...

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