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Guanhua Huang
China Agricultural University
101Publications
25H-index
1,856Citations
Publications 101
Newest
Jingyuan Xue2
Estimated H-index: 2
(CAU: China Agricultural University),
Zailin Huo17
Estimated H-index: 17
(CAU: China Agricultural University)
+ -3 AuthorsXu Xu12
Estimated H-index: 12
(CAU: China Agricultural University)
Abstract. The temporal and spatial distribution of regional irrigation water productivity (RIWP) is crucial for making agricultural related decisions, especially in arid irrigated areas with complex cropping patterns. Thus, we developed a new RIWP model for an irrigated agricultural area with complex cropping patterns. The model couples the irrigation and drainage driven soil water and salinity dynamics and shallow groundwater movement, to quantify the temporal and spatial distributions of the t...
Published on May 1, 2019in Journal of Hydrology 4.41
Lvyang Xiong (CAU: China Agricultural University), Xu Xu12
Estimated H-index: 12
(CAU: China Agricultural University)
+ 2 AuthorsGuanhua Huang25
Estimated H-index: 25
(CAU: China Agricultural University)
Abstract This article introduces the SWAT-AG (a modified SWAT for agro-hydrological modeling) as an enhanced hydrological model for simulating the hydrological processes in agricultural watershed with shallow water tables. The model is developed based on the framework of the SWAT with significant improvements on describing the interactions of the vadose zone water, groundwater, salt and plant growth. The main features of the SWAT-AG include that it can simulate the close interactions of soil wat...
Published on Apr 1, 2019in Irrigation and Drainage 1.03
Jingyuan Xue2
Estimated H-index: 2
(CAU: China Agricultural University),
Zailin Huo17
Estimated H-index: 17
(CAU: China Agricultural University)
+ 4 AuthorsZhongyi Qu7
Estimated H-index: 7
(Inner Mongolia Agricultural University)
Published on Mar 1, 2019in Agricultural Water Management 3.54
Dongyang Ren4
Estimated H-index: 4
(CAU: China Agricultural University),
Xu Xu12
Estimated H-index: 12
(CAU: China Agricultural University)
+ 4 AuthorsGuanhua Huang25
Estimated H-index: 25
(CAU: China Agricultural University)
Hydrological effects caused by fragmented land cover types in human-dominated agro-ecosystems are poorly understood. In this study, based on visual interpreted high-resolution land cover map, an agro-hydrological model (HYDRUS-dualKc) was used in a distributed manner to investigate the hydrological complexities caused by fragmented land cover types and shallow groundwater. An irrigation system located in the upper Yellow River basin was chosen as a case study area, where field observations were ...
Published on Mar 1, 2019in Agricultural Water Management 3.54
Shilei Chen (WHU: Wuhan University), Zailin Huo17
Estimated H-index: 17
(CAU: China Agricultural University)
+ 1 AuthorsGuanhua Huang25
Estimated H-index: 25
(CAU: China Agricultural University)
Abstract Agricultural water productivity (AWP) model is an essential tool for irrigation water management that is highly dependent on soil water processes. Soil hydrological models based on numeric solution to the Richards’ equation are time-consuming and difficult to measure, and models based on soil water balance approach are favored especially for crop water simulation because of the less parameters requirement and higher operational efficiency. In most of the soil water balance models such a...
Published on Mar 1, 2019in Agricultural Water Management 3.54
Kun Liu1
Estimated H-index: 1
(CAU: China Agricultural University),
Guanhua Huang25
Estimated H-index: 25
(CAU: China Agricultural University)
+ 3 AuthorsJiří Šimůnek29
Estimated H-index: 29
(UCR: University of California, Riverside)
Abstract For optimal water and fertilizer management under furrow irrigation, it is important to understand the water and solute dynamics on the land surface and in the subsurface. An efficient mathematical tool is required to describe these dynamic processes. We propose a coupled model in which surface water flow and solute transport are described using the zero-inertia equation and the average cross-sectional convection-dispersion equation, respectively, while the two-dimensional Richards equa...
Published on Jan 1, 2019in Agricultural Water Management 3.54
Xu Xu12
Estimated H-index: 12
(CAU: China Agricultural University),
Yao Jiang3
Estimated H-index: 3
(CAU: China Agricultural University)
+ 2 AuthorsGuanhua Huang25
Estimated H-index: 25
(CAU: China Agricultural University)
Abstract Water use conflicts between agriculture and ecosystem have become a more severe and acute problem in the Heihe River basin (HRB). Excessive irrigation water use in the middle oasis of the HRB has caused gradual deterioration of water quality and eco-environment both in middle and lower HRB. The urgent issue is to make a quantitative analysis and an improvement of irrigation water use in middle oasis. In this paper, distributed agro-hydrological modeling was conducted to access the irrig...
Published on Jan 1, 2019in Vadose Zone Journal 3.63
Mengqi Pan (CAU: China Agricultural University), Quanzhong Huang13
Estimated H-index: 13
(CAU: China Agricultural University)
+ 3 AuthorsGuanhua Huang25
Estimated H-index: 25
(CAU: China Agricultural University)
Published on Dec 1, 2018in Geoderma 4.34
Changjian Li1
Estimated H-index: 1
(CAU: China Agricultural University),
Yunwu Xiong3
Estimated H-index: 3
(CAU: China Agricultural University)
+ 3 AuthorsGuanhua Huang25
Estimated H-index: 25
(CAU: China Agricultural University)
Abstract Biochar is proposed as a soil amendment to improve soil physical-chemical properties and crop productivity. However, the effect of biochar on crop yield is not consistent and the mechanisms affecting plant growth are still not well-understood. In this paper, field experiments were carried out to investigate the impact of biochar addition on soil properties, water and fertilizer productivity of tomato in semi-arid area of Inner Mongolia, China. The tested biochar was made from maize stra...
Published on Dec 1, 2018in Ecological Modelling 2.63
Xu Xu12
Estimated H-index: 12
(CAU: China Agricultural University),
Chen Sun3
Estimated H-index: 3
+ 2 AuthorsGuanhua Huang25
Estimated H-index: 25
(CAU: China Agricultural University)
Abstract This article introduces the AHC model as a new tool for modeling and assessing the agroecosystem processes. The AHC, as a one-dimensional numerical physical model, simulates the soil water and salt/nitrogen dynamics, heat transport, and crop growth and yield in various soil-crop environments. The key features of the AHC include that it provides the optional function for simulating the fate of salt or nitrogen; it has an efficient global method for sensitivity analysis and parameter esti...
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