spatial variability

The ranges of spatial variability of soil moisture for bareness and farmland are 3.17m and 7.25m respectively.

裸地和农田土壤水分空间变异范围分别为3.17m和7.25m。

The emphasis of past research is the spatial variability of soil characteristic or crop information, but the character of crop growth is ignorable. The growth of crop is an important factor between soil characteristic and the yield of winter wheat, we should go deep into it.

以往的研究重点是土壤特性或作物产量的空间变异性研究，对于作物生长性状的空间变异性研究有所欠缺，而作物的生长性状是联系土壤与作物产量的重要因素，需要深入研究。

On the Approximation of Isotropy for Spatial Variability of Soil Water and Salt

土壤水盐特性空间变异的各向同性近似探讨

This paper studied the spatial variability of Cd, Pb and Zn in soil, the factors and the environmental pollution around Fuquan lead/ zine mine in Hanyuan by the Ordinary Kriging and Probability Kriging.

采用地统计学中的普通克里格和概率克里格研究了汉源富泉铅锌矿区土壤重金属的空间变异特征、污染情况以及空间分布的影响因素。

Based on above results, the rule of point variability, spatial variability and distributing probability model of shear strength indexes for several soil layers is obtained, and also some variation laws of the probability characteristic of strength indexes and statistic parameters are obtained.

在此基础上，对几个土层抗剪强度指标的点变异性、空间变异性及分布概型进行了研究，得到了强度指标概率特征及统计参数的变化规律。

Spatial Variability of Soil Moisture in Cotton Field under Drip Irrigation Condition

滴灌方式下棉田土壤水分变异性研究

The study was complemented in the spatial variability of soil.

也从另一角度对土壤空间变异性作了一种新的补充。

Temporal and spatial variability of sward dry matter yield patterns and mapping

牧草干物质产量的时空变异及其制图研究

The Study of Spatial Variability of Soil Nutrient Based on VMS

基于VMS系统的土壤养分空间变异性分析

Spatial variability of throughfall in forest canopy layer of Chinese Pine ( Pinus tabulaeformis) plantation in Northern China

华北油松人工林冠层穿透雨空间变异性研究

Large scale mechanized operation and artificial fertilization were the main reasons of the contents and soil spatial variability of soil nutrient changed.

大规模机械化作业、施肥技术的改进等人为活动是研究区养分分布格局及含量发生变化的主要原因。

Conclusively, artificial factors such as fertilization intensified the spatial variability of soil mineral nutrients.

总的来说，施肥等人为因素加剧了土壤矿质养分的空间变异。

Scale-dependency of spatial variability of soil moisture on a degraded slope-land on the Loess Plateau

黄土高原退耕坡地土壤水分空间变异的尺度性研究

Spatial Variability of Soil Fertility Quality Indices in Northeast China

东北黑土地区主要土壤肥力质量指标的空间变异性

Spatial Variability of Soil Nitrogen in Cultivated Horizon and Its Application in a Site-specific Long-term Experimental Field

长期定位试验地耕层土壤氮素空间变异性及其应用

Methods of GIS, statistical and econometric were employed with the actual transaction data of land price in Kunming from 2001-2005. The results indicate that land price decreases from city center to outskirt along with obvious spatial variability.

研究方法：采用昆明市2001&2005年的实际交易地价数据，运用GIS空间分析和计量经济学模型。研究结果：随距市中心距离增加，地价呈逐步衰减的趋势，但有明显的空间变异性和方位差异。

Application of Non-Parametric Statistics and Artificial Intelligence Technology in Spatial Variability of Water-Soil

非参数统计与人工智能技术在水土空间变异中的应用研究

Reliability analysis of slope stability taking into consideration of spatial variability of soil parameters

考虑土性参数空间变异性的边坡可靠度分析

The study on spatial variability and assessments of soil nutrients in reclamation areas and sediments heavy metals in aquafarm areas of intertidal areas, could improve the efficiency of nutrient use, promote the precision fertilizer in the reclamation area, and strengthen environmental protection in aquafarm areas.

开展滩涂围垦区土壤养分和增养殖区沉积物重金属的空间变异性研究和评价工作，可提高围垦区养分利用效率、促进围垦区精准施肥，并且对加强增养殖区环境保护也具有重要意义。

Sampling Strategy and Management Zone Delineation Based on Soil Spatial Variability in Coastal Saline Land

基于空间变异特性的滨海盐土采样及管理分区研究

Study on character of spatial variability of soil organic matter

土壤有机质空间变异特征研究

However, little has been studied on quantitative assessment of spatial variability of soil erosion at different landscape scales in this area.

但有关坡地景观尺度土壤侵蚀速率的定量资料却相对较少。

In the light of the principle of classical statistics, the study on the status and spatial variability of nutrient of lime concretion black soil in Huaibei plain was conducted.

应用经典统计学方法研究淮北平原砂姜黑土养分状况及其空间变异性。

Study of spatial variability and stochastic modeling of surface soil permeability

表层土渗透系数空间变异与随机模拟研究

The spatial variability of an experimental field infiltration rate is examined by using the theory of time series of dynamic analysis method.

本文应用动态数据处理方法中时间序列的理论，对一田间试验地块稳定入渗率的空间变异性进行了分析研究。

Spatial Variability and Environmental Pollution Assessment of Soil Heavy Metal in the Vicinity of a Lead/ Zine Mine& A Case Study from Fuquan Lead/ Zine Mine in Hanyuan County

铅锌矿区土壤重金属空间变异及其污染风险评价&以四川汉源富泉铅锌矿山为例

Due to extent areas in medium-large basins, their erosion, transport, sediment process crisscrossed, and natural processes in basin rounded soil and water loss system became complicated, time and spatial variability of sediment yield factors enhancing.

中大流域由于流域面积很大，使得流域的侵蚀、输移、沉积过程交错，流域的这一完整的水土流失体系的自然过程复杂化，侵蚀产沙因子时间和空间的变异性很大。

The geostatistics were used for analyzing the spatial variability of the soil particle composition in Mengding tea plantation with two sampling scales at Sichuan province.

利用地统计学方法，在两个尺度下对蒙顶山茶园土壤颗粒组成的空间变异性进行了研究。

Analysis of the Spatial Variability of Monthly Rainfall in Luan River Basin

滦河流域月降雨空间变异性研究

The spatial variability of regional water requirement ( WR ) and water deficient ratio ( WRD ) are studied with geostatistics.

应用地统计学方法研究区域 需水量 和缺水率的空间变异性.