نتایج جستجو برای: lysimeter

تعداد نتایج: 519  

Journal: :African Journal of Agricultural Research 2016

Journal: :Journal of Scientific Research and Reports 2022

A field experiment was conducted to study the consumptive use of water leaf (Talinum triangulare) on a constructed small scale combined weighing and non-weighing Lysimeter. This considered design construction lysimeter that characteristics non-weighing. The main components facility are mild steel, load cell, Arduino nano, micro secure digital (Micro SD) card, liquid crystal display (LCD) screen...

Journal: :iran agricultural research 2016
s. m. seyedian m. farasati o. bahmani j. sajad

abstract-different evapotranspiration (et) estimation equations having different accuracy with different conditions have been developed for et estimation. this study will firstly focus on the estimation of 13 climatic equations of daily garlic et estimation whose  et is measured by lysimeter to provide information which can be helpful in selecting an appropriate et equation. the paper aims at s...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2005
B R Scanlon D G Levitt R C Reedy K E Keese M J Sully

The impact of climate variability on the water cycle in desert ecosystems is controlled by biospheric feedback at interannual to millennial timescales. This paper describes a unique field dataset from weighing lysimeters beneath nonvegetated and vegetated systems that unequivocally demonstrates the role of vegetation dynamics in controlling water cycle response to interannual climate variabilit...

2013

Evapotranspiration (ET) is one of the most critical components of terrestrial water balance. Estimating reliable ET across a large region is, however, difficult due to the limited number of ground monitoring stations and the heterogeneous land surface conditions. In this work, spatially distributed monthly ET estimates in the Krishna River Basin, India, were derived using Advanced Very High Res...

2002
Nathan E. Derby Raymond E. Knighton

This may cause an unrealistic soil moisture regime and may effect crop growth. A method was developed to obtain large undisturbed soil cores To more closely represent an uninterrupted soil coland instrument those cores to collect vadose zone leachate data under agricultural field conditions. Twenty undisturbed soil core lysimeters umn at the point of leachate collection, a vacuum extracwere con...

2009
G. D. THOMPSON

Evapotranspiration (E,) was estimated for plant, first ratoon and second ratoon crops in a sugarcane field by means of the water balance in a large plastic-lined lysimeter (405 m2) and three small weighed lysimeters (each 3,71 m2). For the first 230 days of the plant crop of the experiment the mean daily estimates of E , from the large and small lysimeters were 4,14 mm and 4,16 mm respectively....

2017
P. Krajči R. Kirnbauer J. Parajka J. Schöber G. Blöschl

Snow measurements at the Kühtai station in Tirol, Austria, (1920 m.a.s.l.) are described. The data set includes snow water equivalent from a 10 m2 snow pillow, snow melt outflow from a 10 m2 snow lysimeter placed at the same location as the pillow, meteorological data (precipitation, incoming shortwave radiation, reflected shortwave radiation, air temperature, relative air humidity, and wind sp...

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