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Response of groundwater to the process of reservoirs group regulation and storage in Manas River Basin in Xinjiang

International Journal of Agricultural and Biological Engineering 2020年第1期13卷 224-233页

作者： Bing Liu Guang Yang xinlin he College of Water Conservancy and Construction Engineering Shihezi UniversityShihezi 823003China Key Laboratory of Modern Water Saving Irrigation.of Xinjiang production and Construction Corps Shihezi UniversityShihezi 823003China Department of Geological Sciences Center for Water ResearchUniversity of Texas at San AntonioTX 78249United States

Reservoir regulation and storage is the main approach to alleviate the water pressure caused by the uneven spatial and temporal distribution of surface water resources in arid areas of northwest *** the regulation and storage of the reservoir affect the conditions of recharge and discharge of groundwater,the process of regional surface-groundwater transformation tends to be *** Manas River basin that lies on the northern slope of Tianshan Mountain in Northwest China was taken in this study as a case.A numerical model of groundwater in basin plain area was established,and the influence of reservoir regulation on groundwater level was *** results showed that the total recharge of groundwater in the study area was 75.539 million m3,the total discharge of groundwater was 82.66 million m3,and the groundwater in the study area was in a negative equilibrium state,with a difference of-69.27 million *** water balance method was used to verify the *** total recharge of groundwater was 74.34 million m3,the total discharge of groundwater was 80.726 million m3,and the calculation result of the numerical simulation of the supplementary displacement was 63.82 million m3,basically consistent with the calculation result of the water balance *** reservoir storage method has obvious changes to the groundwater level around the *** simulation results of groundwater numerical model showed that when the reservoir was in normal operation,the leakage of the reservoir was 27.35 million m3;when the reservoir was operated at low water level,the leakage of the reservoir was the smallest,13.47 million *** reservoir has the largest amount of leakage of 41.85 million m3 when operated at water storage *** the reservoir was operated at the lowest water level,the groundwater level around the reservoir was declining compare to the normal operating water *** maximum drop of the groundwater observation well was 2.1 m,and the maxi

关键词： Manas River Basin water balance numerical simulation reservoir regulating groundwater

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Transformation of surface water and groundwater and water balance in the agricultural irrigation area of the Manas River Basin,China

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International Journal of Agricultural and Biological Engineering 2017年第4期10卷 107-118页

作者： Yang Guang he xinlin Li Xiaolong Long Aihua Xue Lianqing College of Water&Architectural Engineering Shihezi UniversityShihezi 832003China Xinjiang Production&Construction Group Key Laboratory of Modern Water-Saving IrrigationShihezi 832003XinjiangChina China Institute of Water Resources and Hydropower Research Beijing 100038China

Calculation of the water balance is very important to relieve the pressure on water resources in arid agricultural irrigation *** research focused on irrigation water balance calculations in the Manas River Basin of the southern margin of the Junggar Basin of China,and aimed to analyze the groundwater level dynamic trend and response characteristics of the basin water cycle under water-saving irrigation *** surface water and groundwater coupling model of MIKE 11-Visual MODFLOW was used to simulate rainfall runoff in mountainous areas,and quantify the contribution of water balance components in the plain irrigation *** of the delayed watershed in the mountain area was obvious,and when the river runoff exceeded 200 m^(3)/s,the error in the runoff simulation was *** water balance in the plain agricultural irrigation area was in a negative equilibrium state,and the difference between recharge and discharge was−2.65 billion m^(3).The evapotranspiration was 24.49 billion m^(3) under drip irrigation,accounting for only approximately 51%of the total *** lateral discharge of the unsaturated and saturated aquifers was 15.38 billion m^(3),accounting for approximately 32%of the total *** main reason for the groundwater decline in the irrigation area was closely related to the extraction of groundwater,because the amount of recharge and discharge in the natural state was approximately *** MIKE 11-Visual MODFLOW model produced accurate results,and the research method provided a new exploration technique to quantify the effect of water supply mode on the groundwater *** model is suitable for the management of water resources in arid areas.

关键词： water balance coupling model surface water and groundwater water saving irrigation Manas River Basin

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Land use change characteristics affected by water saving practices in Manas River Basin,China using Landsat satellite images

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International Journal of Agricultural and Biological Engineering 2017年第6期10卷 123-133页

作者： Yang Guang Chen Dong he xinlin Long Aihua Yang Mingjie Li Xiaolong College of Water Conservancy and Architectural Engineering Shihezi UniversityShihezi 832000China Key Laboratory of Modern Water-Saving Irrigation of Xinjiang Production and Construction Corps Shihezi 832000China China Water Resources&Hydropower Science Research Institute Beijing 100038China

The characteristics and influencing factors of land use change under arid conditions were studied in the Manas River Basin in Xinjiang Region,Northwest *** satellite images acquired in 1976,1990,2000,2010 and 2015 over the study area were used as basic *** use change,the rate of change of land use,land use transfer and other aspects revealed the characteristics of land use change and related factors as influenced by water conditions in the *** results showed that:(1)Over nearly 50 years,land reclamation in the Manas River Basin resulted in the rapid expansion of an artificial oasis area,and promoted the process of‘oasis urbanization’,and accelerated the development of the river basin economy.(2)In 2000,the popularization of drip irrigation under mulch technology led to the rapid growth of cultivated land and development land in the ***,the water table declined in the desert area of the lower reaches of the river basin,and the area occupied by sparse shrub forest and grassland decreased.(3)Before popularization of water-saving technology,woodland,grassland and development land transformed to cultivated land in the amounts of 93.46 km^(2),2542.93 km^(2) and 137.53 km^(2),respectively,and woodland transformed in the amount of 189.64 km^(2).After water-saving technology was popularized,woodland,grassland and development land were transformed into cultivated land in the amounts of 567.41 km^(2),1756.2 km^(2) and 37.36 km^(2),respectively.(4)The popularization of water-saving technology made the dynamic degree of cultivated land and development land more active,and further increased landscape fragmentation and landscape *** level of urbanization development,the level of economic development and the dry humidity of the basin became the main factors affecting the change of land use in the basin.

关键词： land-use change spatial characteristics influencing factor Manas River Basin Landsat satellite images

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Effects of timing and duration under brackish water mulch drip irrigation on cotton yield in northern Xinjiang,China

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International Journal of Agricultural and Biological Engineering 2017年第6期10卷 115-122页

作者： Wang Chunxia Yang Guang Li Junfeng he xinlin Xue Lianqing Long Aihua College of Water Conservancy and Architectural Engineering Shihezi UniversityShihezi 832003China Key Laboratory of Modern Water-saving Irrigation of Xinjiang Production and Construction Corps Shihezi 832000China State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering Hohai UniversityNanjing 210098China

The brackish water is an important potential water source and has frequently been utilized to drip-irrigate cotton due to the water shortage in the arid region of Xinjiang,northwestern of *** brackish water is usually saline water with salinity ranging from 1 g/L to 5 g/L,which is widely distributed in this area,so the reasonable use of that brackish water may not only play a vital role in the local agricultural production,but also save plenty of ***,irrigation with brackish water usually causes the reduction of crop yield and soil salinization which can negatively impact plants through three major components:osmotic,nutritious and toxic ***,a field experiment,with eight different time-series irrigation modes using brackish water(3.5±0.2)g/L and freshwater(he changes of soil salt content and cotton yield aiming to search for a balanced method during the 2 cotton growing seasons in 2012 and *** results indicated that the time-series irrigation modes determined the soil salinity and moisture distribution based on observed spatio-temporal distribution of water content and electric conductivity,and soil salinity generally gathered at the depth of 0-10 cm and 60 cm of soil with the increase of irrigation ***,the results demonstrated that the yields of cotton which was grown using brackish water and freshwater were better than those only using freshwater and the soil salinity with reasonable irrigation timing was not accumulated obviously.

关键词： brackish water mulch drip irrigation timing and duration for irrigation irrigation scheduling cotton

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Controlling threshold in soil salinity when planting spring wheat and sequential cropping silage corn in Northern Xinjiang using drip irrigation

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International Journal of Agricultural and Biological Engineering 2018年第2期11卷 108-114页

作者： Zhenhua Wang Bo Zhou Lei Pei Jinzhu Zhang xinlin he henry Lin College of Water and Architectural Engineering Shihezi UniversityShihezi 832000XinjiangChina Department of Ecosystem Science and Management Pennsylvania State UniversityUniversity ParkPA 16802USA College of Water Resources and Civil Engineering China Agricultural UniversityBeijing 100083China College of Agricultural and Life Sciences University of Wisconsin-MadisonMadisonWI 53706USA

Xinjiang Region of China is one of the most typical and representative arid areas worldwide,along with severe soil salinization *** spring wheat and sequential cropping silage corn in Northern Xinjiang using drip irrigation has become an effective way to relieve soil salinity stress,which improves the simple agricultural structure in the past and ensures food security in this ***,neither the effects of different soil salinities on the growth and yield of spring wheat and silage corn,nor their desalination effect correspondingly was clear until ***,a pot experiment was conducted at Shihezi,Xinjiang from March to June *** study aimed to establish the quantitative correlations between the parameters mentioned above and came up with the appropriate soil salinity threshold in Northern Xinjiang *** results confirmed that the soils in all treatments were desalinated after the whole growth period,and the decreasing rates varied within 18.89%-44.08%and 11.06%-30.83%for two plants,which showed linear and quadratic correlations with initial soil salinity,respectively(R^(2)>0.92^(**),pher soil salinity would inhibit crop growth and yield,and the initial soil salinity also represented the negative quadratic correlations with growth parameters(R^(2)>0.92^(**),phe inhibition effect was enhanced with larger initial soil *** the comprehensive consideration of soil salinity variation,crop growth and yield,the initial soil salinity was recommended under 8.91 g/kg and 5.54 g/kg to plant spring wheat and sequential cropping silage corn in Northern Xinjiang using drip irrigation.

关键词： soil salinity drip irrigation spring wheat sequential silage corn quantitative correlations critical controlling threshold

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Effects of water-fertilizer coupling on root distribution and yield of Chinese Jujube trees in Xinjiang

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International Journal of Agricultural and Biological Engineering 2017年第6期10卷 103-114页

作者： Liu Hongguang he xinlin Li Jing Li Fadong Gong Ping Zhang Jie Yang Guang Key Laboratory of Modern Water-Saving Irrigation of Xinjiang Production and Construction Corps College of Water Conservancy and Architectural EngineeringShihezi UniversityShihezi 832000China Key Laboratory of Ecosystem Network Observation and Modeling Institute of Geographic Sciences and Natural Resources ResearchChinese Academy of SciencesBeijing 100101China College of Resources and Environment University of Chinese Academy of SciencesBeijing 100190China

Water and fertilizer are the two main factors which promote the rapid growth of Jujube(Ziziphus jujuba)*** of root systems and the nutrition-use efficiency of dense,dwarfed fruit trees are limited,especially in an extremely arid region with drip *** experiment was conducted in a 12-year-old dwarf jujube planting basement in Hami from 2013 to *** this experiment,root length density and root weight density were calculated and found to range from 75 cm to 275 cm in horizontal distance,and from 0 to 90 cm in vertical depth,treated with three drip irrigation quota gradients and three fertilizer rates with each treatment replicated three *** results showed that,as the amount of nitrogen applied increased gradually,the jujubes’growth amount increased,reaching a maximum when an optimal concentration was ***,the jujubes’growth was inhibited,and the growth declined when the amount of nitrogen applied was more than the optimal *** an appropriate level of nitrogen,the growth,yield and quality of jujube trees could be *** the rate of nitrogen application was lowered,the jujubes’growth would inhibit,and hence the yield wound be seriously *** optimal irrigation quota and fertilization amount were found to be 900 mm and 1500-1800 kg/hm^(2),*** research findings were of significance and hold great promise for the development of the forestry and fruit industries in the arid region of *** the same time,there was a further study on irrigation technique,focusing on the combined effect of the dwarfed-planting technique and drip irrigation on jujube trees;with this information,the application efficiency of water and fertilizer can be optimized,leading to higher profits and economic efficiency.

关键词： water-fertilizer coupling root distribution yield dense dwarf trees Ziziphus jujuba

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Comparative investigation on soil salinity leaching under subsurface drainage and ditch drainage in Xinjiang arid region

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International Journal of Agricultural and Biological Engineering 2016年第6期9卷 109-118页

作者： he xinlin Liu Hongguang Ye Jianwei Yang Guang Li Mingsi Gong Ping Aernaguli Aimaiti Key Laboratory of Modern Water-Saving Irrigation of Xinjiang Production&Construction Group Shihezi UniversityShihezi 832000XinjiangChina

This study was carried out to explore the effects of leaching salinity under subsurface drainage and mulched drip irrigation on saline and alkaline land from the year 2012 to 2014 in Xinjiang Region of *** sampled points were both set up in the subsurface drainage and ditch drainage *** samples were obtained at varied *** observing the underground water table under each sampled point and measuring the electrical conductivity(EC)of the soil extracts,the following results were obtained:(1)after draining,the underground water table ranged from 1.6 m to 2.2 m in the ditch drainage area,and ranged from 1.5 m to 2.2 m in the subsurface drainage ***,both irrigations could control underground water table below 1.5 m which is deeper than the main water-absorbing layers of crop root systems;(2)for subsurface drainage,the closer to the pipe,the better to leach salinity;decreased from the initial 13.54-22.95 g/kg to 8.20-11.47 g/kg;(3)compared with the amounts in 2012,soil total salt at each sampling point at depths of 0-200 cm in subsurface drainage area decreased by 42.99%,36.84%and 24.41%respectively in 2014;and in ditch drainage area decreased by 46.85%,38.12%and 30.80%respectively in *** results showed both ditch and subsurface drainage could leach salinity effectively.

关键词： mulched drip irrigation soil salinity subsurface drainage ditch drainage

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Effects of drip irrigation on components of water cycle in arid inland areas: A case study of Manas river basin in northwestern China

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International Journal of Agricultural and Biological Engineering 2019年第1期12卷 132-138页

作者： Pengfei Li Guang Yang xinlin he Fadong Li Ke Yan Zelin Wang College of Water and Architectural Engineering Shihezi UniversityShihezi 832003XinjiangChina Xinjiang Production and Construction Group Key Laboratory of Modern Water-Saving Irrigation Shihezi 832003China Institute of Geographic Sciences and Natural Resources Research Chinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China

Compared to either drip irrigation or mulching with plastic film,the two methods together can reduce water requirements of crops grown in arid areas by more than 30%.Such a combination deployed on a large scale(1)reduced the loss of soil water by 31.8%compared to that from drip irrigation alone;(2)narrowed the range of annual evapotranspiration from 1582.4-1780.3 mm,which is average for the basin,to 222.2-294.8 mm;and(3)increased the overall humidity in the central plain of the ***,the surrounding regions in which drip irrigation is not combined with mulching are getting more arid;thus,as a result of the water-saving technology,both oases and the desertification of the river basin are increasing at the same *** results of the study further the understanding of the effects of drip irrigation combined with mulching on water cycles in the basin of the Manas river and suggest ways to protect the ecology and the environment of the basin.

关键词： evapotranspiration drip irrigation arid inland areas water cycle Mann-Kendall rank test MOD16 Manas river basin

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Land use/cover and landscape pattern changes in Manas River Basin based on remote sensing

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International Journal of Agricultural and Biological Engineering 2020年第5期13卷 141-152页

作者： Xiaolong Li xinlin he Guang Yang Hongguang Liu Aihua Long Fulong Chen Bing Liu Xinchen Gu College of Water&Architectural Engineering Shihezi UniversityShihezi 832000XinjiangChina Xinjiang Production&Construction Group Key Laboratory of Modern Water-Saving Irrigation Shihezi 832000XinjiangChina Department of Water Resources China Institute of Water Resources and Hydropower ResearchBeijing 100038China

Large-scale water and soil development in inland river basins in arid areas has made changes in landscape composition and structure,threatening the ecological *** order to study the trend of land use/cover and landscape pattern change and its relationship with water resources utilization in Manas River Basin,the land-use data of five periods in 1976,1990,2000,2010 and 2015 were *** results showed that:(1)During 1976-2015,farmland and construction land continuously increased,forest land and grassland continuously decreased,the water area initially reduced and then increased,the area of saline-alkali land initially increased and then reduced,the overall trend of unused land and the sandy area was decreasing and the area of different time periods is *** areas of land-use types either increased or *** indicates that the landscape pattern of the basin changes dramatically,and human activities are the main reasons for this phenomenon;(2)The oasis area increased from 3480.2 km2 in 1976 to 7982.0 km2 in 2015,with an obvious increasing *** oasis area clearly increased during 1976-1990,the growth rate was 40.6%,the growth rate of the oasis area was 129.4%.In the last 40 years,the degree of desertification fluctuated and *** increase of the oasis area directly leads to the increase of water resources utilization and aggravates the degree of water resources shortage;(3)The pattern of land-use types showed a non-equilibrium *** the region with increasing landscape heterogeneity,the overall landscape pattern was increasingly controlled by the majority of *** intensive land management model and drip irrigation under mulch have improved the utilization efficiency of water resources and saved water resources from engineering renovation and irrigation management.

关键词： arid area Manas River Basin land use/cover change landscape pattern remote sensing driving force

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Latent Posterior Based Generative Adversarial Network for Imbalance Classification

Latent Posterior Based Generative Adversarial Network for Im...

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第32届中国控制与决策会议

作者： xinlin he Meng Cai Jianxun Li School of Electronic Information and Electrical Engineering Shanghai Jiao Tong University Luoyang Institute of Electro-optical Equipment AVIC

The imbalance classification problem arises when certain class is underrepresented in comparison with other classes,leading to a classifier partial to the majority *** interpolation-based oversampling methods for handling this problem characteristically do not make full use of the probability distribution of *** overcome this weakness,this study proposes latent posterior based generative adversarial network oversampling approach（LPGOS）,which uses a variational encoder to obtain the posterior distribution of latent *** addition,giving the high correlation between generated synthetic data and original data,we introduce a transfer learning approach with weight scaling factor namely Tr WSBoost in which the generated minority class samples are treated as source domain *** results prove that the proposed approach LPGOS is capable of approximate high dimensional data distribution and outperform other existing oversampling *** performance of binary classifiers verify the effectiveness of proposed approaches.

关键词： Imbalance classification Generative adversarial network Latent variable Transfer learning

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