Abstract

Monitoring and recording large time series of data and making them available for studying—are the key roles of environmental monitoring systems. This study produce review of three different measurement monitoring systems (NSUNET, WAHASTRAT and MERIEXWA) with same design, which were placed during different time frame in the Northern Serbia (Vojvodina Province). Each of three monitoring systems has different demands and requirements which were addressed accordingly in their design. Power supply conditions for two systems are primary cells and solar panels, while NSUNET has constant power supply only during nighttime. Data is transmitted in MERIEXWA using binary protocol, WAHASTRAT using http, while NSUNET sends data over ftp. Same topology is used in all systems—each node sends data directly to the central location (in case of NSUNET two locations are provided for backup purposes). NSUNET system sends data using specific structure and stores them as plain text files. It also has different approach for time synchronization and monitoring issues. The main result of this study is to present how to create system that provides good quality and unchanged data from monitoring sensor to the end user while maintaining whole data structure transmission costs low. Furthermore, data collected from NSUNET were used in order to assess the influence of urbanization on regional climate modification, which leads to the creation of urban climate. Propositions for new system development combining best from all three systems are discussed.

Highlights

  • Increasing tendencies for technological development and its impact on surrounding environment, requires better understanding of relationship between elements within it

  • This study produce review of three different measurement monitoring systems (NSUNET, WAHASTRAT and MERIEXWA) with same design, which were placed during different time frame in the Northern Serbia (Vojvodina Province)

  • Wireless sensor network developed for monitoring of inland excess water in northern part of Vojvodina consists of 25 wells

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Summary

Introduction

Increasing tendencies for technological development and its impact on surrounding environment, requires better understanding of relationship between elements within it. Monitoring locations does not have constant power supply which could be used for sensor nodes In such cases or in case of extra reliability, battery is placed as primary or backup power supply. When data are successfully collected and processed, information provided from sensors environment monitoring systems can be used in different fields, for example, to alert wildfire [6], or to detect air pollution [3]. It can provide in-situ atmospheric data with higher spatial and temporal density [7], monitor CO2 using non-dispersive infrared sensor [6] or water quality of surface freshwaters [9]. Real-time data collection has important role in various fields such as weather information collection, hydrology analyzes, post disaster assessment [16] and others

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