Research on the spatial variability of soil moisture based on GIS

被引：0
|
作者：
Zhang, Changli [2 ]
Liu, Shuqiang [1 ,3 ]
Fang, Junlong [2 ]
Tan, Kezhu [4 ]
机构：
[1] Heilongjiang Inst Technol, Acad Adm, 999 Hongqi Rd, Harbin 150050, Heilongjiang, Peoples R China
[2] Northeast Agr Univ, Engn Coll, Harbin 150030, Heilongjiang, Peoples R China
[3] Heilongjiang Inst Technol, Harbin 150050, Heilongjiang, Peoples R China
[4] Northeast Agr Univ, Chengdong Coll, Harbin 150030, Heilongjiang, Peoples R China
来源：
COMPUTER AND COMPUTING TECHNOLOGIES IN AGRICULTURE, VOL 1 | 2008年 / 258卷
关键词：
geographical information system; spatial interpolation; Geo-statistics; spatial variability;
D O I：
暂无
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
With the help of GPS and measuring instrument of soil moisture, soil moisture was measured and analyzed. As using Geo-statistics to the study of spatial variability of soil moisture and use ArcGIS 9.0, get the spatial distribution map of soil water property with Kriging interpolation. The research result showed that all soil spatial characters are normal distribution and the spatial distribution of soil water property accord with the fact. Geo-statistics Methods is the most appropriate methods in all of Mathematical Methods for Geo-statistics. The spatial distribution map of soil water property what got with Kriging interpolation can make the spatial distribution of the entire plot, more accurate and reliable. Getting a veracious spatial distribution map of soil water speciality was very important and useful for adjusting precision fertilization and precision irrigation in time. It also offered the theoretical foundation of the connection studying between soil water speciality and enhancing the yield.
引用
收藏
页码：719 / +
页数：3
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