Development of measuring and monotoring system for CO_2 flux in remote fields using mobile phone

偏远地区CO_2通量手机测量监测系统开发

基本信息

批准号：
07558194
负责人：
AOKI Masatoshi
金额：
$ 2.75万
依托单位：
Tokyo University of Agriculture and Technology
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (A)
财政年份：
1995
资助国家：
日本
起止时间：
1995 至 1997
项目状态：
已结题

项目摘要

The aim of the research is to develop measuring and monitoring system for CO_2 flux in remote fields. The system is composed of small DC generator which is driven by propane gas conbustion and mobile phpone, then the system is possible to use in remote measurement sites without AC line and telephone line. By the use of the software developed, CO_2 flux measurement data in the fields are transmitted to laboratory computers through mobile phone, converted automatically as a data base (a daily data) in laboratory computer, and then different kinds of graphs and tables are shown automatically on the computer CRT and listed by printer.The other characteristics of the developed system are as follows : (1) automatic and reliables longterm measurements are possible. (2) the data logger, transmitting apparatuses and other necessary devices are possible to keep in small hagar box placed near the measurement pole or tower. (3) on line data transmitting is possible from any laboratories, (4) the price for the system except for sensors is about two million Yen.We also developed a special air sampling and data processing unit. By the use of the unit, the precise and longterm measurement of CO_2 difference between two heights necessary for CO_2 flux measurement by Bowen ratio techniqu became possible. The system helps us to see what is happning in the measured data and measurement eqipments, and then it allowed us to decrease visitting the sites for maintenance work. It was shown by the test runs of total 20 monthes at five different sites that reliable, longterm and continuous measurement of CO_2 flux is possible in remote sites.

该研究的目的是开发远程CO_2通量的测量和监测系统。该系统由小型直流发电机组成，该发电机由丙烷气体结合和移动PHPONE驱动，然后该系统可以在无交流线和电话线的远程测量站点中使用。通过使用开发的软件，该字段中的CO_2通量测量数据通过手机传输到实验室计算机，自动转换为实验室计算机中的数据库（每日数据），然后在计算机CRT上自动显示不同类型的图形和表格。（2）可以将数据记录仪，传输设备和其他必要设备保存在位于测量杆或塔架附近的小杂货盒中。（3）任何实验室都可以在线数据传输，（4）系统的价格除了传感器的价格约为200万日元。我们还开发了一个特殊的空气采样和数据处理单元。通过使用单元，可以通过Bowen比率技术进行CO_2通量测量所需的两个高度之间的CO_2差异的精确和长期测量。该系统可以帮助我们查看测量数据和测量训练中的幸福感，然后使我们能够减少访问维护工作的访问。在五个不同站点的总共20个月的测试运行中，可靠，长期和连续测量CO_2通量在远程站点中可以进行。