نتایج جستجو برای: free throughfall coefficient

تعداد نتایج: 674925  

Journal: :The Science of the total environment 2012
G Brecciaroli S Cocco A Agnelli F Courchesne G Corti

This study deals with the characteristics of throughfall produced by vine (Vitis vinifera L.) in one of the most common pedoclimatic conditions for grape production: a soil derived from marine sediments under a temperate Mediterranean climate, and located rather close to the seacoast. To distinguish the contribution of the plant from that of the atmospheric deposition, the throughfall was colle...

2007
William A. Reiners

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2016
Zhi-Shan Zhang Yang Zhao Xin-Rong Li Lei Huang Hui-Juan Tan

In water-limited regions, rainfall interception is influenced by rainfall properties and crown characteristics. Rainfall properties, aside from gross rainfall amount and duration (GR and RD), maximum rainfall intensity and rainless gap (RG), within rain events may heavily affect throughfall and interception by plants. From 2004 to 2014 (except for 2007), individual shrubs of Caragana korshinski...

Journal: :Environmental pollution 2003
Albert Bleeker Geert Draaijers Dennis van der Veen Jan Willem Erisman Han Möls Peter Fonteijn Marco Geusebroek

A 6-month field intercomparison study on throughfall measurements was performed at Speulder forest near the west coast in The Netherlands. Twenty throughfall sampling systems were evaluated on accuracy, sampling strategy and performance under field conditions. Throughfall fluxes of NO3-, K+ and Kjeldahl-N generally could be determined with a larger accuracy than fluxes of SO4(2-), NH4+, Na+, Cl...

Journal: :Forests 2021

Larix gmelinii forest is one of the dominant types in boreal and plays a unique eco-hydrological role terrestrial ecosystem. However, throughfall variability ecosystems, which crucial regulating hydrology, remains unclear. Here, we investigated spatial temporal stability within full leaf stage Great Kingan Mountain, Northeast China, effects rainfall properties canopy structure on were systemati...

Journal: :Environmental science & technology 2009
Emma L Witt Randall K Kolka Edward A Nater Trent R Wickman

Particulate Hg (pHg) is a component of smoke from biomass burning and has the potential for local redeposition. Throughfall (precipitation collected beneath a conifer or deciduous canopy) and open precipitation samples were collected pre- and postfire in 2005 and 2006 using passive precipitation collectors across the Superior National Forest, located in northern Minnesota, USA. Samples were col...

Journal: :Environmental monitoring and assessment 2005
Anne Thimonier Maria Schmitt Peter Waldner Beat Rihm

Atmospheric deposition of the major elements was estimated from throughfall and bulk deposition measurements on 13 plots of the Swiss Long-Term Forest Ecosystem Research (LWF) between 1995 and 2001. Independent estimates of the wet and dry deposition of nitrogen (N) and sulfur (S) on these same plots were gained from combined simplified models. The highest deposition fluxes were measured at Nov...

2005
SASHA D. HAFNER PETER M. GROFFMAN MYRON J. MITCHELL

Coarse woody debris (CWD) may play a role in nutrient cycling in temperate forests through the leaching of solutes, including dissolved organic carbon (DOC) and dissolved organic nitrogen (DON), to the underlying soil. These fluxes need to be considered in element budget calculations, and have the potential to influence microbial activity, soil development, and other processes in the underlying...

2015
S. Bischoff M. T. Schwarz J. Siemens L. Thieme W. Wilcke B. Michalzik

We present the first investigation of the composition of dissolved organic matter (DOM) compared to total organic matter (TOM, consisting of DOM, < 0.45 μm and particulate organic matter 0.45 μm < POM < 500 μm) in throughfall, stemflow and forest floor leachate of common beech (Fagus sylvatica L.) and Norway spruce (Picea abies (L.) H. Karst.) forests using solid-state C nuclear magnetic resona...

2016
J. Cerón R. Cerón C. Aguilar C. Montalvo A. García M. Muriel E. Ramírez A. Córdova C. Carballo

Throughfall deposition was measured in a complex ecosystem at the southeast of Mexico. Samples were collected in an annual basis at Xicalango-Atasta region in Campeche State. Ionic exchange resin collectors were used in 13 points in a multiple transects design. Ions retained were extracted and analyzed by colorimetry and turbidimetry. Mean throughfall deposition fluxes for N and S were 0.97 and...

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