INFORMATION TECHNOLOGY IN ENVIRONMENT

 ROLE OF INFORMATION TECHNOLOGY IN ENVIRONMENT AND HUMAN HEALTH 

Information technology has tremendous potential in the field of environmental education and health as in any other field like business, economics, politics or culture.

 Development of internet facilities, worldwide web, geographical information system (GIS) and information through satellites has generated a wealth of up-to-date information on various aspects of environment and health. 

A number of softwares have been developed for environment and health studies which are user friendly and can help an early learner in knowing and understanding the subject.

Database 

Database is the collection of inter-related data on various subjects. It is usually in computerized form and can be retrieved whenever required. 

In the computer the information of database is arranged in a systematic manner that is easily manageable and can be very quickly retrieved. 

The Ministry of Environment and Forests, Government of India has taken up the task of compiling a database on various biotic communities. 

The comprehensive database includes wildlife database, conservation database, forest cover database etc. National Management Information System (NMIS) of the Department of Science and Technology has compiled a database on Research and Development Projects along with information about research scientists and personnel involved.


Environmental Information System (ENVIS): 

The Ministry of Environment and Forests, Government of India has created an Information System called Environmental Information System (ENVIS). With its headquarters in Delhi, it functions in 25 different centers all over the country. The ENVIS centers work for generating a network of database in areas like pollution control, clean technologies, remote sensing, coastal ecology, biodiversity, Western Ghats and Eastern Ghats, environmental management, media related to environment, renewable energy, desertification, mangroves, wildlife, Himalayan ecology, mining, etc. 

The National Institute of Occupational Health provides computerized information on occupational health i.e. the health aspects of people working in various hazardous and non-hazardous industries, safety measures etc.,


Remote Sensing and Geographical Information System (GIS): 

 Remote sensing is the science of obtaining information about objects or areas from a distance, typically from aircraft or satellites. Satellite images provide us actual information about various physical and biological resources and also to some extent about their state of degradation in a digital form through remote sensing. 

 We are able to gather digital information on environmental aspects like water logging, desertification, deforestation, urban sprawl, river and canal network, mineral and energy reserves and so on.

 Geographical Information System (GIS) has proved to be a very effective tool in environmental management. GIS is a technique of superimposing various maps using digital data on a large number of inter-related or interdependent aspects. Several useful softwares have been developed for working in the field of GIS. 

 Different maps containing digital information on a number of aspects like water resources, industrial growth, human settlements, road network, soil type, forest land, crop land or grassland etc. are superimposed in a layered form in computer using softwares. Such information is very useful for future land-use planning. 

 Interpretations of polluted zones, degraded lands or diseased cropland etc. can be made based on GIS. Planning for locating suitable areas for industrial growth is now being done using GIS by preparing Zoning Atlas. 

 Our satellite data also helps in providing correct, reliable and verifiable information about forest cover, success of conservation efforts etc. They also provide information of atmospheric phenomena like approach of monsoon, ozone layer depletion, inversion phenomena, smog etc. 

 We are able to discover many new reserves of oil, minerals etc. with the help of information generated by remote sensing satellites. Thus remote sensing and GIS play a key role in resource mapping, environmental conservation, management, planning and environmental impact assessment. 

 It also helps in identifying several disease infested areas which are prone to some vector-borne diseases like malaria, schistosomiasis etc. based upon mapping of such areas. 

 There are several Distribution Information Centers (DICs) in our country that are linked with each other and with the central information network having access to international database. 



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