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Yu Liu
18Publications
10H-index
509Citations
Publications 18
Newest
Published on Jun 1, 2019in Agricultural Water Management 3.54
Congying Han1
Estimated H-index: 1
,
Baozhong Zhang10
Estimated H-index: 10
+ 2 AuthorsYu Liu10
Estimated H-index: 10
Abstract Crop models are useful tools in investigating crop yield and water consumption and thus far, they have been well-developed in field applications. Moreover, their regional applications have evolved from lumped models to distributed models by considering the spatial variation in soil, climate, crop, and management measures to some extent. With the advent of modernized and refined farming and water management, the spatial variation of environment-related initial and crop parameters of mode...
Published on Jul 1, 2017in Agricultural Water Management 3.54
Liangliang Bai1
Estimated H-index: 1
,
Jiabing Cai4
Estimated H-index: 4
+ 3 AuthorsLingxu Huang1
Estimated H-index: 1
To solve the problems of decreasing water resources from the Yellow River, the renovation project of water-saving and controlling water distribution was implemented in the Hetao Irrigation District of North China since 1999. The local hydrological cycle is expected to be influenced or changed during the past fifteen years through the project. Jiefangzha Irrigation Region, the second large partition of the Hetao Irrigation District, was selected as the typical area to explore the relationship bet...
Published on Jan 1, 2016in Agricultural and Forest Meteorology 4.19
Baozhong Zhang10
Estimated H-index: 10
,
Di Xu3
Estimated H-index: 3
+ 3 AuthorsLijuan Du1
Estimated H-index: 1
Abstract Evapotranspiration ( ET ) scale effect influences the understanding of water and energy balance processes at different scales. However, there are fewer studies about the relationships between multi-scale ET and the controlling meteorological factors. In this study, the variations in leaf and plant transpiration and farmland ET of summer maize were systematically analyzed using three-successive-year data from an irrigation experiment station in north China, and the meteorological factors...
Published on Apr 1, 2015in Agricultural Water Management 3.54
Paula Paredes18
Estimated H-index: 18
(University of Lisbon),
Z. Wei1
Estimated H-index: 1
+ 4 AuthorsLuis S. Pereira51
Estimated H-index: 51
(University of Lisbon)
Four years of soybean experimental data observed at Daxing, North China Plain, were used to assess the ability of the AquaCrop model to predict soybean final biomass and yield. The model was parameterized and calibrated using field data on leaf area index (LAI), available soil water, soil evaporation, biomass and final yield data. The model was assessed using calibrated and default parameters. Data on LAI were used to derive the fraction of ground cover and to calibrate the green canopy cover (C...
Published on Jan 1, 2015in Agricultural Water Management 3.54
Zheng Wei1
Estimated H-index: 1
,
Paula Paredes18
Estimated H-index: 18
(University of Lisbon)
+ 2 AuthorsLuis S. Pereira51
Estimated H-index: 51
(University of Lisbon)
The main objectives of this study were to assess and partition soybean evapotranspiration and modelling to predict yields. The SIMDualKc water balance model, that adopts the dual crop coefficient approach, was used to evaluate the transpiration and soil evaporation components. Transpiration estimates were then used with the Stewart's water-yield model to predict soybean yields. SIMDualKc was calibrated and validated using soil water observations relative to four crop seasons and six treatments. ...
Published on Jul 1, 2014in Applied Mechanics and Materials
Zheng Wei2
Estimated H-index: 2
,
Yu Liu10
Estimated H-index: 10
+ 1 AuthorsJia Bing Cai1
Estimated H-index: 1
Evapotranspiration (ETc) is an important quantity for hydrological cycle. This study shows evapotranspiration, the ratio of evaporation to evapotranspiration (E/ETc) of winter wheat and maize in north China. Several relationships, namely, E/ET0 and soil surface moisture, E/ET0 and leaf area index (LAI), are also analyzed. The average seasonal ETc values for winter wheat, maize (2008) and maize (2009) are 431.21, 456.3 and 341.4mm. The value of E/ET0 varied from 1 at initial growth stage to 0.295...
Published on Nov 1, 2013in Irrigation Science 2.44
Baozhong Zhang1
Estimated H-index: 1
,
Yu Liu10
Estimated H-index: 10
+ 6 AuthorsLuis S. Pereira51
Estimated H-index: 51
(Technical University of Lisbon)
An accurate estimation of crop evapotranspiration (ET c) is very useful for appropriate water management; hence, an accurate and user-friendly model is needed to support related irrigation decisions. In this view, a study was developed aimed at estimating the ET c of winter wheat–summer maize crop sequence in the North China through eddy covariance measurements, to calibrate and validate the SIMDualKc model, to estimate the basal crop coefficients (K cb) for both crops and to partition ET c into...
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