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Guanhua Huang
China Agricultural University
102Publications
26H-index
2,078Citations
Publications 104
Newest
#1Minghuan Liu (CAU: China Agricultural University)H-Index: 2
#2Xu Xu (CAU: China Agricultural University)H-Index: 12
Last.Guanhua Huang (CAU: China Agricultural University)H-Index: 26
view all 7 authors...
Abstract Climate change and associated elevated atmospheric CO2 concentration and rising temperature have become a great challenge to agricultural production especially in arid and semiarid regions, and a great concern to scientists worldwide. Thus, it is very important to assess the response of crop growth and water productivity to climate change projections, which in turn can help devise adaptive strategies to mitigate their impact. An agro-hydrological model with well consideration of CO2 eff...
1 CitationsSource
#1Xingwang Wang (CAU: China Agricultural University)H-Index: 2
#2Zailin Huo (CAU: China Agricultural University)H-Index: 19
Last.Guanhua Huang (CAU: China Agricultural University)H-Index: 26
view all 7 authors...
Abstract Precise estimations of energy fluxes and evapotranspiration for cropland in arid areas with shallow groundwater are necessary but limited. There is also a need to better understand the contribution of groundwater for meeting crop water consumptive use. In this study, considering the environmental conditions, such as meteorological variables, crop growth and water regimes, energy fluxes and actual evapotranspiration (ETa) in an irrigated maize field with shallow groundwater were examined...
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#1Zhongyi Liu (CAU: China Agricultural University)
#2Zailin Huo (CAU: China Agricultural University)H-Index: 19
Last.Tammo S. Steenhuis (Cornell University)H-Index: 67
view all 8 authors...
Abstract. Optimum performance of irrigated crops in regions with shallow saline groundwater requires a careful balance between application of irrigation water and upward movement of salinity from the groundwater. Few field validated surrogate models are available to aid in the management of irrigation water under shallow groundwater conditions. The objective of this research is to develop a model that can aid in the management using a minimum of input data that is field validated. In this paper ...
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#1Dongyang Ren (CAU: China Agricultural University)H-Index: 4
#2Boyu Wei (CAU: China Agricultural University)
Last.Guanhua Huang (CAU: China Agricultural University)H-Index: 26
view all 8 authors...
Abstract Soil salinization is one of the most common land degradation processes that impacts agricultural production, environmental health, and economic welfare. The first task in managing soil salinity is to understand its spatiotemporal characteristics, causal factors and influences, both over large regions and within individual fields. In this study, a typical irrigated agro-ecosystem located in the upper Yellow River basin, suffering from long-term soil salinization problems, was selected as...
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#1Jingyuan Xue (CAU: China Agricultural University)H-Index: 2
#2Zailin Huo (CAU: China Agricultural University)H-Index: 19
Last.Xu Xu (CAU: China Agricultural University)H-Index: 12
view all 9 authors...
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...
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#1Lvyang Xiong (CAU: China Agricultural University)H-Index: 1
#2Xu Xu (CAU: China Agricultural University)H-Index: 12
Last.Guanhua Huang (CAU: China Agricultural University)H-Index: 26
view all 5 authors...
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...
1 CitationsSource
#1Jingyuan Xue (CAU: China Agricultural University)H-Index: 2
#2Zailin Huo (CAU: China Agricultural University)H-Index: 19
Last.Zhongyi Qu (Inner Mongolia Agricultural University)H-Index: 8
view all 7 authors...
1 CitationsSource
#1Dongyang Ren (CAU: China Agricultural University)H-Index: 4
#2Xu Xu (CAU: China Agricultural University)H-Index: 12
Last.Guanhua Huang (CAU: China Agricultural University)H-Index: 26
view all 7 authors...
Abstract 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 observati...
3 CitationsSource
#1Shilei Chen (WHU: Wuhan University)H-Index: 1
#2Zailin Huo (CAU: China Agricultural University)H-Index: 19
Last.Guanhua Huang (CAU: China Agricultural University)H-Index: 26
view all 4 authors...
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...
1 CitationsSource
#1Kun Liu (CAU: China Agricultural University)H-Index: 1
#2Guanhua Huang (CAU: China Agricultural University)H-Index: 26
Last.Jiří Šimůnek (UCR: University of California, Riverside)H-Index: 38
view all 6 authors...
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...
1 CitationsSource
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