摘要
传统的资源调查手段调查经费大、周期长,而且很难对变化的因素进行调查跟踪。找寻一条既经济而且准确可靠、能动态的实现数据修改的调查方法已迫在眉睫。本文介绍PDA技术和3S技术的应用,为资源调查节约大量的人力、物力,调查精度也有了保证。
The traditional forest inventory method has its deficiency of high cost,long period and difficulty of tracking variation factors.It is urgent to find an economical and reliable investigation method to realize data modification dynamically.The PDA technology and 3S technology were introduced in this paper.By applying the technology,lots of human and material resources are saved,and the investigation accuracy of forest inventory is guaranteed.
出处
《森林工程》
2008年第3期39-40,共2页
Forest Engineering
