土壤水分模型采用适合于黄淮平原冬小麦、夏玉米等作物的土壤水分平衡方程。
A soil moisture balance equation that is applicable for winter wheat and summer maize in the Huanghe-Huaihe plain was adopted as the soil moisture model.
利用长岭1 997年土壤湿度实测资料对土壤水分模型进行了验证,模拟结果很理想。
As a case study of the model, hydrological dynamics of soil in Changling, Jilin province was simulated with results verified to be consistent with the observed soil moisture data in 1997.
用神经网络建立土壤水分预测模型的方法是可行的。
The method of building soil water forecast model with neural network is available.
经初步应用结果表明,该模型模拟无地下水补给条件下玉米田土壤水分动态具有较高的精度。
The result of application shows that the simulation of soil water dynamics and evapotranspiration by using the model has high precision.
还利用建立的模型,模拟了2080年的气候条件变化对潜在蒸散量和土壤水分含量的影响。
The impacts of climate on potential evapotranspiration and soil water content under 2080's climatic condition were simulated with the model.
LEACHC是描述土壤水分运动、溶质运移和盐分积累的盐度模型。
LEACHC is the salinity model describing water flow, solute movement and salt accumulation in soil profiles.
说明所建立的数学模型能够反映蓄水坑灌条件下的土壤水分运动状况,其数值求解方法也是可行的。
It indicates that the numerical modeling can reflect the status of soil moisture movement under the condition of water storage pit irrigation, and its method of solution is feasible.
本研究主要采用黄土高原典型气候区大面积的野外人工草地生产力和土壤水分的实地调查和计算机系统动力学模型数值模拟研究相结合的方法。
In this study, the method of actuarial investigation of forage productivity and soil moisture on artificial pasture combined with numerical simulation value by dynamic crop model were used.
GIS技术的广泛应用、土壤水分遥感监测模型的优化,微波遥感的应用将是该领域的重点研究方向。
The extensive application of GIS technology, the optimization of the model of remote sensing monitoring of soil moisture and the application of microwave are the key direct of future study.
基于饱和下渗理论和考虑新入渗雨水驱替旧土壤水分的作用,根据力学原理提出了一个简明的入渗模型及计算下渗锋面处毛管吸力的方法。
In this paper, a simple infiltration model is proposed on the basis of a theoretical consideration of infiltration and the displacement of existing soil water by newly-infiltrating rainfall.
结果表明,该模型的计算值与实测值吻合的非常好,说明通过优化法确定非饱和土壤水分特征曲线是可行的。
The result shows that the values of computation agree with the experimental data fairly well through comparing calculating soil moisture characteristic curve with the experimental one.
运用SWAP模型对太行山山前平原——河北省栾城县田间土壤水分运动进行了数值模拟。
The article is based on SWAP model and did numerical simulation for water movement in the soil of farmland in the piedmont plain of the Taihang Mountains, Luancheng County in Hebei province.
试验表明陆地水储量月变化在水文模型中主要反映为土壤水分的变化,与前人的研究结果吻合。
The results show that changes in total water storage on hydrological model reflects the changes mainly as soil moisture change, which is consistent with the previous.
此模型通过有限差分法模拟了降雨或灌溉水人渗、降雨或灌溉水以后土壤水分在剖面上的重新分配情况。
This model has simulated redistribution of infiltration and soil-water due to precipitation and irrigation at the profile by finite different method.
通过在黄土高原半干旱地区种植柳枝稷,构建生物量与土壤水分的动力学关系模型。
The dynamic relationship between the biomass of switchgrass and the soil water content in arid and semiarid area was investigated in this paper.
模型以12种植被类型的绿色和非绿色生物量以及3层土壤水分为其状态变量。
The model was applied to Northeast China Transect to simulate the dynamics of green and non-green biomass of 12 vegetation categories as well as soil water of 3 layers.
本文针对MODIS数据进行地表温度和热惯量的建模研究以及基于上述模型的土壤水分和地气间热交换的研究。
This paper focuses on the modeling of thermal inertia and land surface temperature using MODIS data and their applications in soil moisture and exergy exchange study.
在此基础上建立了基于土壤孔隙形态学特征的随机网络模型,在孔隙尺度模拟了土壤中的水分运动过程,并预测了近饱和土壤水分特征曲线。
A spatially-random network model by using measured pore morphology was then set up to simulate the pore scale flow processes, and to predict the soil water retention curve near saturation.
建立了一维非饱和土壤水分垂向入渗的特征有限元数值模型。
The numerical model of one-dimensional vertical water infiltration through unsaturated soils is constructed by characteristic finite element method.
土壤水分平衡模型在洪水预测、土壤湿度计算、灌溉设计管理以及全球气候变化影响的仿真分析上十分重要。
Soil water balance models are especially important in the prediction of flood runoff, calculation of soil moisture content, design and management of irrigation and simulation of climate impact.
应用特征有限元法对一维非饱和分层土壤水分入渗方程及溶质运移方程进行离散化,得到了其特征有限元数值模型。
The numerical model of 1-d water infiltration and solute transport through layered soils is constructed by the characteristic finite element method.
从土壤水分平衡原理出发,以降水量、温度和区域水文观测等因子为基础,建立了土壤干旱指数模型。
Based on the principle of soil water balance, including precipitation, temperature and other observations, this article built a model of soil drought index.
说明利用该数学模型研究蓄水坑灌条件下的土壤水分运动状况是可行的。
It indicates that to research on soil moisture movement under the condition of water storage pit irrigation by using this model is feasible.
土壤体积含水量表征土壤水分的模型精度相对要低。
The model precision by the soil volumetric moisture content was relative lower.
采用多元逐步回归模型用常规土壤物理参数对土壤水分入渗模型参数进行预报是可行的。
It is feasible to predict soil infiltration capacities by routine physical parameters with stepwise regression models with multiple units.
通过对试验数据的回归分析,建立了林灌地和封禁草灌地在短历时暴雨条件下的土壤水分入渗经验模型。
By the regression analysis of date observed from this experiment, a model of infiltration for forest-shrub land and grass-shrub land was constructed.
模型包括土壤中稀土化学热力学平衡体系、土壤水分物理形状和土壤剖面的稀土通量。
It includes the chemical thermodynamic balance system of REEs, soil water physical characters and REEs flux in soil profile.
试验验证结果表明,此模型能较好地反映各种耕作处理下土壤水分的变化情况。
Verification with experiments shows that this model can be used to express the variation rules of soil water content, soil temperature, evapotran…
将提出的墒情监测方法及区域土壤水分预报方法,应用于构建整个灌区的实时灌溉预报模型之中,并在灌溉预报过程中进行实时修正。
A real-time forecast model of irrigation schedule verified with the real-time data is established, incorporating suitable methods of monitoring soil moisture and predicting soil water for region.
将提出的墒情监测方法及区域土壤水分预报方法,应用于构建整个灌区的实时灌溉预报模型之中,并在灌溉预报过程中进行实时修正。
A real-time forecast model of irrigation schedule verified with the real-time data is established, incorporating suitable methods of monitoring soil moisture and predicting soil water for region.
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