نتایج جستجو برای: daily evaporation

تعداد نتایج: 218123  

1997
B. SAUGIER A. GRANIER J. Y. PONTAILLER E. DUFRÊNE D. D. BALDOCCHI

transpiration of a boreal forest: the branch bag, sap flow and eddy covariance methods. The branch bag method encloses several thousand needles and gives a continuous record of branch transpiration. The sap flow method provides a continuous record of sap velocity and an estimate of tree transpiration. The eddy covariance method typically measures evaporation rates between a forest and the atmos...

2001
SCOTT A. WOOLDRIDGE STEWART W. FRANKS JETSE D. KALMA

A connection between El Nino Southern Oscillation (ENSO) and weather phenomena in eastern Australia has been recognized for several decades. However, little work has been devoted to addressing how this correlation affects hydrological system behaviour within regional-scale catchments. In this study, spatially distributed ENSO effects are evaluated in terms of monthly rainfall, evaporation, stre...

Journal: :Remote Sensing 2015
Guangcheng Hu Li Jia

As a typical inland river basin, Heihe River basin has been experiencing severe water resource competition between different land cover types, especially in the middle stream and downstream areas. Terrestrial actual evapotranspiration (ETa), including evaporation from soil and water surfaces, evaporation of rainfall interception, transpiration of vegetation canopy and sublimation of snow and gl...

Journal: :Remote Sensing 2014
Rim Amri Mehrez Zribi Zohra Lili-Chabaane Camille Szczypta Jean-Christophe Calvet Gilles Boulet

The main goal of this study is to evaluate the potential of the FAO-56 dual technique for the estimation of regional evapotranspiration (ET) and its constituent components (crop transpiration and soil evaporation), for two classes of vegetation (olives trees and cereals) in the semi-arid region of the Kairouan plain in central Tunisia. The proposed approach combines the FAO-56 technique with re...

2014
Kyla Drushka Sarah T. Gille Janet Sprintall

Observations from 35 tropical moorings are used to characterize the diurnal cycle in salinity at 1 m depth. The amplitude of diurnal salinity anomalies is up to 0.01 psu and more typically 0.005 psu. Diurnal variations in precipitation and vertical entrainment appear to be the dominant drivers of diurnal salinity variability, with evaporation also contributing. Areas where these processes are s...

1999
O. J. P. Éboli E. M. Gregores

We show that soft color rearrangement of final states can account for the appearance of rapidity gaps between jets. In the color evaporation model the probability to form a gap is simply determined by the color multiplicity of the final state. This model has no free parameters and reproduces all data obtained by the ZEUS, H1, DØ, and CDF collaborations.

2008
L. Ridolfi P. D’Odorico F. Laio S. Tamea I. Rodriguez-Iturbe

[1] The soil water content plays a fundamental role in a number of important environmental processes, including those involved in the water cycle, vegetation dynamics, soil biogeochemical cycles, and land-atmosphere interactions. Despite the recent efforts spent in the analytical modeling of the stochastic soil moisture dynamics in dryland ecosystems, the probabilistic characterization of the s...

Journal: :Tree physiology 1997
B. Saugier A. Granier J. Y. Pontailler E. Dufrêne D. D. Baldocchi

Three independent methods were used to evaluate transpiration of a boreal forest: the branch bag, sap flow and eddy covariance methods. The branch bag method encloses several thousand needles and gives a continuous record of branch transpiration. The sap flow method provides a continuous record of sap velocity and an estimate of tree transpiration. The eddy covariance method typically measures ...

2007
O. J. P. Eboli E. M. Gregores

We show that soft color rearrangement of nal states can account for the appearance of rapidity gaps between jets. In the color evaporation model the probability to form a gap is simply determined by the color multiplicity of the nal state. This model has no free parameters and reproduces all data obtained by the ZEUS, H1, DD, and CDF collaborations.

2012
Yun-Zhu Guo Da-Chuan Yin Hui-Ling Cao Jian-Yu Shi Chen-Yan Zhang Yong-Ming Liu Huan-Huan Huang Yue Liu Yan Wang Wei-Hong Guo Ai-Rong Qian Peng Shang

The effect of magnetic fields on water is still a highly controversial topic despite the vast amount of research devoted to this topic in past decades. Enhanced water evaporation in a magnetic field, however, is less disputed. The underlying mechanism for this phenomenon has been investigated in previous studies. In this paper, we present an investigation of the evaporation of water in a large ...

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