Application of GPS in Soil and Water Conservation

Jiao Feng; Zhang Xiaoping; Li Rui; Li Bicheng

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Application of GPS in Soil and Water Conservation

- Application of GPS in Soil and Water Conservation
- Bulletin of Soiland Water Conservation Vol. 17, Issue 5, Pages: 32-34(1998)
- 作者机构：
  
  中国科学院水利部水土保持研究所,陕西杨陵,712102
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1998
- 稿件说明：
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Jiao Feng, Zhang Xiaoping, Li Rui, et al. Application of GPS in Soil and Water Conservation[J]. Bulletin of Soiland Water Conservation, 1998, 17(5): 32-34.
DOI：

Jiao Feng, Zhang Xiaoping, Li Rui, et al. Application of GPS in Soil and Water Conservation[J]. Bulletin of Soiland Water Conservation, 1998, 17(5): 32-34. DOI：

摘要

介绍了相对定位方法、软硬件及仪器设备

结合在陕北安塞县大南沟的实测体会及测量结果分析

详细讨论了GPS定位技术在黄土丘陵沟壑区小流域水土流失监测中的独特优越性

并对实测中GPS在实时定位时所暴露出的问题及其原因进行了初步探讨。测量结果分析表明: GPS相对定位测量坡面定位精度可达毫米级。但在沟谷内等地形狭窄的地方

信号较弱

卫星失锁现象严重

GPS定位精度较差

其应用受到限制。

Abstract

The methods of relative positioning

software and instruments etc.on GPS were briefly introduced

and the advantages and disadvantages on GPS position in the loess hilly area were discussed in detail on the basis of the field experiences on GPS position and an analyses on survey data in Ansai county

Shaanxi province of China.The results show that the survey precision of GPS is as high as 0.1mm on the hillslope

and is poor in the gully because of the sudden negative landform there.

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Related Institution

Xi’an Water Conservancy and Soil Conservation General Station

College of Natural Resources and Environment， Northwest A&F University

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