空间变异

  • 网络spatial variability;Spatial variation;spatial variance
空间变异空间变异
  1. 基于GIS技术对辽宁不同时期热量资源空间变异特征的分析

    Analysis of Thermal Resources Spatial Variation in Different Period in Liaoning Based on GIS Technique

  2. 香蕉地土壤pH的空间变异及其对土壤速效钾的影响

    Influence of the spatial variation of soil pH on soil available potassium in banana plantation

  3. 不同节水灌溉方式下N肥在土壤中的空间变异研究

    Spatial Variability of N Fertilizer in Soil Under Different Water-Saving Irrigation Modes

  4. 基于GIS和地统计学的农田土壤养分空间变异性研究

    Spatial Variability of Farmland Soil Nutrients Based on GIS and Geo-statistics

  5. 含水层渗透系数K的空间变异性研究

    A study of spatial variability on aquifer hydraulic conductivity K

  6. 猪场废水灌溉农田土壤Mn空间变异及积累分析

    Accumulation and Spatial Variability of Mn in Farmland Soil of Swine Waste-water Application

  7. 结合GIS可充分了解土壤中N、P养分的空间变异性规律,并可进一步应用于精确施肥和农业非点源污染预测和控制。

    These results could be useful for further application in precision fertilization and for evaluation of non point polluting of agricultural lands .

  8. 鹤山3种人工林土壤N2O浓度的时间和空间变异

    Temporal and spatial variation of nitrous oxide concentration in different soil depth under three plantations in Heshan area

  9. 基于GIS和GPS的沱江中游土壤镉和铅空间变异研究

    Spatial Distribution Characteristics of Soil Cadmium and Lead in the Middle Reaches of Tuojiang River Basin Based on GIS and GPS

  10. 3S技术在土壤养分空间变异研究中的应用

    Application of 3S Technology in the Study of Spatial Variability of Soil Nutrient

  11. 农田土壤微量元素的空间变异及Kriging估值

    The Reach on Spatial Variability of Soil Microelement and Kriging Method

  12. 水稻作物信息的空间变异性分析及Kriging估值法

    Spatial variation of LAI and Yield of Rice and Kriging estimate

  13. 以甘肃省榆中县为研究区域,应用地统计学和GIS相结合的方法对该县的土壤有机质的空间变异性进行了分析。

    Geostatistic method combined with GIS was applied to analyze the spatial variability of soil organic matter in Yuzhong County in Gansu Province as example .

  14. 采用地统计及地理信息(GIS)技术研究了山东省淄博玉米产区土壤砷含量空间变异性及其分布特点。

    Spatial variability and distribution of soil arsenic in Zibo maize producing area , Shandong Province were studied using geostatistics and geographic information system ( GIS ) techniques .

  15. 不同层次土壤总盐、pH及总碱度的空间变异特征具有一定的差异,但结构性因素对三者的空间变异起主导作用。

    Characteristics of the spatial variation of salt , pH and total alkalinity somewhat differ between the three soil layers , with structural factors playing a leading role .

  16. 将稳健统计学(RS)引入地质统计学(GS),研究土壤水盐特性空间变异。

    The Robust statistics is combined with Geostatistics to study the spatial variability of water and salinity in soil .

  17. 二者具有复杂的各向异性,糅合了几何异向性和带状异向性。进一步用各向异性变异模型分析土壤养分空间变异,表明土壤Ca、Mg、K、Cu存在一定的带状异质性。

    The variables show complicated anisotropic properties combining geometric anisotropy and zonal anisotropy . The nutrients Ca , Mg , K and Cu appeared some zonal anisotropy .

  18. 经典统计学方法分析表明,在小流域尺度下土壤可蚀性K值存在很强的空间变异性,其变异系数达39.94%。

    Classical statistical analyses show significant spatial variability of soil erodibility K values at a scale of small watershed , the variance coefficient of which is 39.94 % .

  19. 在利用GIS和GPS研究土壤养分空间变异的基础上,以农户作为精准施肥的单元,探讨在中国农村进行精准施肥的途径。

    The research discussed the approach of Precision Fertilization in China , which was based on GIS and GPS , and take the farmers ' household land as the unit .

  20. 应用地理信息系统(GIS)结合土壤养分状况系统研究法探讨了一定农业生产条件下棉田土壤养分空间变异及其在推荐施肥中的应用。

    The study on the characteristics of spatial variability of soil nutrients and fertilizer recommendations in cotton field under certain conditions of agricultural management was conducted with GIS and systematic approach for soil nutrient constrains .

  21. 结合GIS的地统计学技术作为研究土壤空间变异的重要工具,不同变量在不同取样尺度下插值分析空间估测结果是不一致的。

    As a magnificent method in analyzing the spatial variation of soil , difference among the interpolations of different elements that being estimated at different sampling scales come up under the help of geostatistics with GIS .

  22. 通过研究土壤速效钾的空间变异性,获取香蕉地土壤速效钾、pH的连续分布图,为土壤钾养分分区管理及科学施肥提供依据。

    Continued distribution map of soil available potassium and pH were obtained through researching on the spatial variability of soil available potassium , and it could provide reference to the management and scientific fertilization of soil potassium nutrient .

  23. 将随机场理论引入边坡可靠性分析,将插值法与SVM法结合对边坡进行可靠性分析,得到考虑参数空间变异性的可靠性分析结果。

    Random field is introduced into slope reliability analysis and implemented by coupling interpolation method with SVM . In this way , the spatial variability of soil can be included in the reliability analysis .

  24. 对地表下10cm深度土壤含水率的采样试验结果表明,2组测量数据在小范围内空间变异系数<10%,说明仪器性能稳定可靠。该测试仪能为变量灌溉和墒情监测提供科学依据。

    The experimental results indicated that the instrument provided a scientific basis for soil moisture monitor and variable irrigation .

  25. 在利用Kriging插值分析方法对土壤养分空间变异性分析及空间叠加分析的基础上组织土壤专题图件数据库。

    On the base of using Kriging method in analyzing spatial variability of soil nutrition and spatial overlap analysis , the thematic map of soil was organized .

  26. 在重金属空间变异研究的基础上,结合潜在生态危害指数法,对沉积物中的Cu、Zn、Cd、Pb进行了综合定量化污染评价研究。

    Based on the research of spatial variability of heavy metals , combining with potential ecological risk index method , the comprehensive quantitative pollution assessments on Cu , Zn , Cd and Pb of sediments were carried out .

  27. 翻堆工艺对0~15mm垃圾堆肥腐熟度空间变异影响研究

    The Impact of Turning Techniques on 0 ~ 15 mm Municipal Solid Waste Composting Maturity Spatial Variation

  28. 在影响稻田CH4排放大尺度空间变异性的主要因素中,土壤水分历史可能比土壤性质更为重要。

    Soil water history might be a more important factor than soil property in controlling the spatial variability of CH 4 emissions from rice fields on large spatial scale .

  29. 长江、黄河流域泛滥平原细粒沉积物~(87)Sr/~(86)Sr空间变异的制约因素及其物源示踪意义

    Factors controlling spatial variation of ~ ( 87 ) Sr / ~ ( 86 ) Sr in the fine-grained sediments from the overbanks of the Yellow River and Yangtze River and its implication for provenance of marine sediments

  30. 根据成都平原区117个样点的调查资料,采用GIS与地统计学结合的方法,研究成都平原土壤磷素及其影响因素,包括土壤颗粒组成、有机质和pH值等土壤性质的空间变异特性。

    Based on the survey data of 117 sampling points in Chengdu Plain , the spatial variability of soil phosphorus and its influential factors , including soil particle composition , organic matter , and pH were studied by coupling geographic information system ( G1S ) with geostatistics .