REQUIREMENTS FOR SOFTWARE AND DISPLAY FORMAT OF INFORMATION ABOUT FIRE OCCURRENCE IN FIRE NOTIFICATION TRANSMISSION SYSTEMS

2021 ◽  
pp. 6-12
Author(s):  
Алексей Александрович Порошин ◽  
Кирилл Александрович Попонин ◽  
Вера Владимировна Королева ◽  
Наталья Александровна Сизонова
Keyword(s):  
Fire Occurrence ◽  
Transmission Systems ◽  
Monitor Screen ◽  
Display Format ◽  
Protected Object ◽  
In Fire ◽  
Fire Notification

Рассмотрены вопросы разработки требований к программному обеспечению автоматизированного рабочего места диспетчера пожарно-спасательного подразделения, а также разработки требований к формату отображения информации на экране монитора в системах передачи извещений о пожаре. Предложены варианты отображения информации на экране монитора автоматизированного рабочего места с учетом представления на нем различных информационных атрибутов: меню настройки, поле отображения плана объекта защиты, поле пиктограмм для управления информацией и ее квитирования, поле счетчика числа тревожных сигналов, поле изменения параметров объектов и др. There is considered the elaboration of requirements for the software of automated workplace of the dispatcher of fire and rescue unit. The elaboration of requirements for display format of information on the monitor screen in fire notification transmission systems is also examined. There are proposed variants of information displaying on the monitor of automated workstation, taking into account the presentation of various information attributes, such as: the setup menu, the field for displaying the plan of protected object, the icon field for managing information and its acknowledgment, the field of counter of alarms’ number, the field for changing objects parameters, etc.

REQUIREMENTS FOR DATA TRANSFER PROTOCOL WITH EXTERNAL DEVICES WITHIN FIRE NOTIFICATION TRANSMISSION SYSTEMS

2021 ◽  
pp. 34-40
Author(s):  
Алексей Александрович Порошин ◽  
Кирилл Александрович Попонин ◽  
Вера Владимировна Королева ◽  
Наталья Александровна Сизонова
Keyword(s):  
Data Transfer ◽  
Basic Structure ◽  
Transmission Systems ◽  
Data Transfer Protocol ◽  
In Fire ◽  
Fire Notification ◽  
Transfer Protocol

Рассмотрены вопросы разработки требований к протоколу обмена данными в системах передачи извещений о пожаре. Разработка требований связана с необходимостью организации информационной совместимости систем передачи извещений о пожаре различных производителей с автоматизированным рабочим местом диспетчера пожарно-спасательного подразделения. Предложен базовый состав информационных данных протокола обмена. Определен общий и минимально необходимый состав информационных атрибутов базы данных по объектам защиты, устанавливаемой на автоматизированном рабочем месте диспетчера пожарно-спасательного подразделения. The issues of elaboration of requirements for data transfer protocol in fire notification transmission systems are considered. The elaboration of requirements is related to the necessity of informational compatibility between fire notification transmission systems of various manufacturers and automated workstation of fire-and-rescue unit dispatcher. The basic structure of information data of the transfer protocol is proposed. The general and minimum required structure of information attributes of the database of objects of protection is determined. This database is installed at the automated workstation of the of fire-and-rescue unit dispatcher.

Current and future patterns of forest fire occurrence in China

2020 ◽  
Vol 29 (2) ◽  
pp. 104 ◽  
Author(s):  
Zhiwei Wu ◽  
Hong S. He ◽  
Robert E. Keane ◽  
Zhiliang Zhu ◽  
Yeqiao Wang ◽  
...  
Keyword(s):  
Forest Fire ◽  
General Circulation ◽  
Southern China ◽  
Northern China ◽  
General Circulation Models ◽  
Boosted Regression Trees ◽  
Fire Occurrence ◽  
Representative Concentration Pathways ◽  
Fire Patterns ◽  
In Fire

Forest fire patterns are likely to be altered by climate change. We used boosted regression trees modelling and the MODIS Global Fire Atlas dataset (2003–15) to characterise relative influences of nine natural and human variables on fire patterns across five forest zones in China. The same modelling approach was used to project fire patterns for 2041–60 and 2061–80 based on two general circulation models for two representative concentration pathways scenarios. The results showed that, for the baseline period (2003–15) and across the five forest zones, climate variables explained 37.4–43.5% of the variability in fire occurrence and human activities were responsible for explaining an additional 27.0–36.5% of variability. The fire frequency was highest in the subtropical evergreen broadleaf forests zone in southern China, and lowest in the warm temperate deciduous broadleaved mixed-forests zone in northern China. Projection results showed an increasing trend in fire occurrence probability ranging from 43.3 to 99.9% and 41.4 to 99.3% across forest zones under the two climate models and two representative concentration pathways scenarios relative to the current climate (2003–15). Increased fire occurrence is projected to shift from southern to central-northern China for both 2041–60 and 2061–80.

Historical vegetation change in the Kananaskis Valley, Canadian Rockies

1987 ◽  
Vol 65 (5) ◽  
pp. 853-858 ◽  
Author(s):  
E. A. Johnson ◽  
G. I. Fryer
Keyword(s):  
Pinus Contorta ◽  
Vegetation Change ◽  
Transition Probabilities ◽  
Fire Frequency ◽  
Fire Occurrence ◽  
Vegetation Composition ◽  
Natural Processes ◽  
Forest Survey ◽  
Before And After ◽  
In Fire

This study compares the vegetation composition in the Kananaskis Valley from a forest survey in 1883 to another survey in 1972 and reconstructs the fire frequency for the period 1783 – 1882 and the period 1883 – 1972. A comparison of the 1883 to 1972 forest surveys using transition probabilities revealed that sites populated mostly by lodgepole pine (Pinus contorta) or Englemann spruce (Picea Englemannii) tended to remain the same in both surveys. The fire reconstructions for the period 1730 – 1972 showed no change in fire frequency after the beginning of European activity in 1883. Further, for the periods both before and after 1883, the valley burned, on average, once every 150 years. The distribution of the fire sizes for the 100-year period before 1883 was slightly larger than the period after 1883. It appears that in 1972 natural processes (site differences and fire occurrence) still dominated the changes in the vegetation composition and age.

scholarly journals Possibilities for Experimental Testing of Alarm Transmission Systems

2020 ◽  
Vol 22 (2) ◽  
pp. 123-128 ◽  
Author(s):  
Martin Boros ◽  
Matej Kucera ◽  
Andrej Velas ◽  
Jan Valouch
Keyword(s):  
Experimental Testing ◽  
Experimental Tests ◽  
Transmission System ◽  
Test Facility ◽  
Transmission Systems ◽  
Transmission Networks ◽  
Digital Era ◽  
Transmission Of Information ◽  
Protected Object ◽  
Telephone Calls

In the current digital era, information is a basis of some systems. In the area of information, great emphasis is also placed on its security and possibilities of use. The basis of the alarm transmission system is information about the protected object, which is transmitted to the remote center of the alarm transmission system. Operators of alarm transmission system centers should be obliged to carry out regular testing of the availability of individual transmission networks. At present, there is a trend that those tests are carried out by telephone calls between the two technicians and the time of transmission of information is measured utilizing a stopwatch. To automate this process, a test facility has been created that can simulate and record the intrusion of a protected object. Initial experimental tests have ascertained whether it is possible, with the test equipment, to generate the data necessary to assess the reliability of alarm transmission systems.

A 7600 yr vegetation and fire history from Anthony Lake, northeastern Oregon, USA, with linkages to modern synoptic climate patterns

2019 ◽  
Vol 91 (2) ◽  
pp. 705-713
Author(s):  
Colin J. Long ◽  
Jaqueline J. Shinker ◽  
Thomas A. Minckley ◽  
Mitchell J. Power ◽  
Patrick J. Bartlein
Keyword(s):  
High Resolution ◽  
Great Basin ◽  
Fire History ◽  
Fire Occurrence ◽  
Charcoal Analysis ◽  
Dry Air ◽  
Blue Mountains ◽  
Climate Patterns ◽  
Dry Conditions ◽  
In Fire

AbstractWe used pollen and high-resolution charcoal analysis of lake sediment to reconstruct a 7600 yr vegetation and fire history from Anthony Lake, located in the Blue Mountains of northeastern Oregon. From 7300 to 6300 cal yr BP, the forest was composed primarily of Populus, and fire was common, indicating warm, dry conditions. From 6300 to 3000 cal yr BP, Populus declined as Pinus and Picea increased in abundance and fire became less frequent, suggesting a shift to cooler, wetter conditions. From 3000 cal yr BP to present, modern-day forests composed of Pinus and Abies developed, and from 1650 cal yr BP to present, fires increased. We utilized the modern climate-analogue approach to explain the potential synoptic climatological processes associated with regional fire. The results indicate that years with high fire occurrence experience positive 500 mb height anomalies centered over the Great Basin, with anomalous southerly component of flow delivering dry air into the region and with associated sinking motions to further suppress precipitation. It is possible that such conditions became more common over the last 1650 cal yr BP, supporting an increase in fire despite the shift to more mesic conditions.

Variability in fire - climate relationships in ponderosa pine forests in the Colorado Front Range

2008 ◽  
Vol 17 (1) ◽  
pp. 50 ◽  
Author(s):  
Rosemary L. Sherriff ◽  
Thomas T. Veblen
Keyword(s):  
Pinus Ponderosa ◽  
Ponderosa Pine ◽  
Fire History ◽  
Southern Oscillation ◽  
Primary Objective ◽  
Fire Occurrence ◽  
Ponderosa Pine Forests ◽  
Fire Scar ◽  
Montane Zone ◽  
In Fire

Understanding the interactions of climate variability and wildfire has been a primary objective of recent fire history research. The present study examines the influence of El Niño–Southern Oscillation (ENSO), Pacific Decadal Oscillation (PDO) and Atlantic Multidecadal Oscillation (AMO) on fire occurrence using fire-scar evidence from 58 sites from the lower ecotone to the upper elevational limits of ponderosa pine (Pinus ponderosa) in northern Colorado. An important finding is that at low v. high elevations within the montane zone, climatic patterns conducive to years of widespread fire are different. Differences in fire–climate relationships are manifested primarily in antecedent year climate. Below ~2100 m, fires are dependent on antecedent moister conditions that favour fine fuel accumulation 2 years before dry fire years. In the upper montane zone, fires are dependent primarily on drought rather than an increase in fine fuels. Throughout the montane zone, fire is strongly linked to variations in moisture availability that in turn is linked to climate influences of ENSO, PDO and AMO. Fire occurrence is greater than expected during the phases of each index associated with drought. Regionally widespread fire years are associated with specific phase combinations of ENSO, PDO and AMO. In particular, the combination of La Niña, negative PDO and positive AMO is highly conducive to widespread fire.

Application of video surveillance equipment for fire detection

2021 ◽  
Vol 91 ◽  
pp. 107-120
Author(s):  
A. N. Chlenov ◽  
◽  
A. V. Kochegarov ◽  
T. A. Butcinskaya ◽  
A. M. Aleshkov ◽  
...  
Keyword(s):  
Video Surveillance ◽  
Fire Protection ◽  
Fire Safety ◽  
Fire Detection ◽  
Fire Alarm ◽  
Alarm Systems ◽  
Effective Operation ◽  
Fire Alarm System ◽  
Protected Object ◽  
In Fire

Introduction. The fire safety of the protected object is determined by the possibility of reliable fire detection. Insufficiently effective operation of the fire alarm system can lead to the death of people, unacceptable material and other damage. The video surveillance system, being one of the main links of the engineering security system, monitors emergency situations in real time and, in particular, a breakout of fire at the protected object. Goals and objectives. The purpose of the article is to analyze the state and trends in the development of video surveillance equipment aimed at improving the fire safety of protected objects. Tasks include regulatory justification of the use of video surveillance in fire alarm systems, review of methods of fire detection by video surveillance and improving their effectiveness under the influence of interfering factors, as well as evaluation of the effectiveness of video surveillance in fire protection systems. Methods. The methods of the system analysis and probability theory are used. Results and discussion. The requirements of regulatory documents for detectors with a video detection channel for their effective operation in fire alarm systems are considered. The main directions of development of means and methods of application of video surveillance in fire protection systems are defined. It is shown that reducing the risk of non-detection of fire to an acceptable level can be achieved by increasing the probability of effective operation of the fire alarm system, as well as by increasing the positive impact of the video surveillance system, which is a part of the complex security system of the object. Conclusions. Video surveillance significantly increases the efficiency of fire detection. It allows you to get a visual picture of the state of the protected object, which has such a high information content that no other security means can provide. The use of video surveillance equipment in fire alarm systems, as well as their integration with industrial and fire automation systems is one of the main reserves for increasing the fire safety of facilities. Keywords: video surveillance, fire detector with video detection channel, fire alarm, video analytics, fire protection

scholarly journals Reconstructing fire history in central Mongolia from tree-rings

2012 ◽  
Vol 21 (1) ◽  
pp. 86 ◽  
Author(s):  
Amy E. Hessl ◽  
Uyanga Ariya ◽  
Peter Brown ◽  
Oyunsannaa Byambasuren ◽  
Tim Green ◽  
...  
Keyword(s):  
Climate Change ◽  
Land Use ◽  
Cross Sections ◽  
Fire History ◽  
Test Case ◽  
Fire Occurrence ◽  
Central Mongolia ◽  
Targeted Sampling ◽  
In Fire ◽  
Use Factors

Rising temperatures are expected to increase wildfire activity in many regions of the world. Over the last 60 years in Mongolia, mean annual temperatures have increased ~2°C and the recorded frequency and spatial extent of forest and steppe fires have increased. Few long records of fire history exist to place these recent changes in a historical perspective. The purpose of this paper is to report on fire history research from three sites in central Mongolia and to highlight the potential of this region as a test case for understanding the relationships between climate change, fire and land use. We collected partial cross-sections from fire-scarred trees and stumps at each site using a targeted sampling approach. All three sites had long histories of fire ranging from 280 to 450 years. Mean Weibull fire return intervals varied from 7 to 16 years. Fire scars at one protected-area site were nearly absent after 1760, likely owing to changes in land use. There is limited synchrony in fire occurrence across sites, suggesting that fire occurrence, at least at annual time scales, might be influenced by local processes (grazing, human ignitions, other land-use factors) as well as regional processes like climate. Additional data are being collected to further test hypotheses regarding climate change, land use and fire.

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