## What is Methods of collection of Data-what are method 3 collection of data-what is primary data-what are Methods of Secondary data collection-what is secondary data

Methods of Primary data collection 1. Direct personal investigation (interview) 2. Indirect oral investigation 3. Questionnaire Method Methods of Secondary data collection 1. Published Sources 2. Unpublished Sources

## Types of Data- what is data

Data can be primarily divided into two types – qualitative data and quantitative data. Qualitative data only describes an item example coconut tree, palm tree, etc or language spoken – Tamil, Telugu, Hindi, English, etc. Quantitative data on the other hand has numerical value to the item, example, marks obtained – 45, 70, 60, 90, […]

## What are the role of statistics in geography

Role of statistics in geography Statistical techniques and procedures are applied in all fi elds of academic research; wherever data are collected and summarized or wherever any numerical information is analyzed or research is conducted, statistics are needed for sound analysis and interpretation of results. Geographers use statistics in numerous ways • To describe and […]

## Classification based on Developable Surface used- what is developable surface in GIS- what are the 4 main type of map Projection- what is map Projection its – what is Conical Projection – what is conical Projection for uses – what are the 4 type of map Projection- what is Zenithal Projection- what is mean by Zenithal Projection- type of Zenithal Projection- what is Zenithal Projection in geographic

The three basic projections are based on the types of developable surface. They are: 1 Cylindrical Projection • It can be visualized as a cylinder wrapped around the globe. • The longitudes (meridians) and latitudes (parallels) appear as straight lines. • Length of equator on the cylinder is equal to the length of the equator, […]

## Classifi cation of Map Projections- what are the 4 types of map Projections – what is map Projection its classification- what are the 5 map Projection- why are there different types of map Projection – what are the classification of building- what are different types of classification of works – what are the 3 type of construction- what is classified as construction work- what is mean by Perspective Projections- what is mean by Non Perspective Projections

Classifi cation of Map Projections Map projections are classifi ed on the following criteria: • Method of construction • Development surface used • Projection properties • Position of light source Classifi cation based on Methods of Construction Given below are the projections that are based on the method of construction: a). Perspective Projections: These projections […]

## Map Projection

Introduction A Map projection means the representation of latitude and longitude of the globe on a fl at sheet of paper. Th e network thus formed is called graticule. Map projection is a mathematical expression using the three-dimensional surface of earth is represented in a two dimensional plane. The process of projection results in distortion […]

## What is mean by Prismatic- what is Prismatic body – is Prismatic color – Use of Prismatic Compass – what is the Use of Prismatic Compass- what is advantage of compass

Compass Prismatic compass is a simple instrument comprising an aluminum ring graduated to 30 minutes held at the top of a broad magnetic needle set in balance on a hard steel pivot. This compass is fitted in a circular metal box with a transparent glass cover. The glass – top is further covered with a […]

## What is Clinometers- what is a Clinometers used for- what are the different type of Clinometers- who invented the Clinometers- how to you make a Clinometers

In this Instruction, we will learn how to use clinometers to measure the height of a tall object. What you will need; Clinometers, Tape, Paper, Pen or pencil, Assistant. Step 1: Pick a Spot Let us pick a spot to measure your object which may be a tree or electric or telephone pole. You should […]

## Surveying- what is Surveying- what is Surveying in civil – what is Surveying in civil engineering- what is the concept of Surveying – what is the history of survey

Introduction Surveying has been essential element in the development of man’s environment for centuries. It is important in planning and execution of every form of construction. Surveying is used to map the earth above and below the sea, prepare navigational map and establish databases for natural resource management, development of engineering data for huge buildings […]

## Road accident – what is meaning by Road accident- what is the causes road accident what are 4 main causes of accident – what is effect of road accident – what is road safety roles- what is important of road safety roles – what are the 5 safety roles – roles of crossing road

It is estimated that 1.34 million people are killed in the road accidents every year. Road accident is the 8th leading cause of death globally. Every year, up to 50 million people suffer serious, life-altering injuries which, in many low- and middle-income countries. Primary road safety risk factors in low and middle-income countries include: 1. […]

## Industrial Disasters- what is the worst Industrial Disasters- what is the Industrial Disasters and example – what are the type of Industrial Disasters- why do Industrial Disasters occur- what is Fire- what is meaning by fire- what is Means of reducing the industrial hazards

Industrial hazards consist of four principle hazards. The hazards encountered are fire, explosion, toxic release and environmental damage. This is because industries engage in different processes involving a wide range of different raw materials, waste products and final products. Danger originates from technological or industrial accidents, dangerous procedures, infrastructure failures or certain human activities. It […]

## What is Fire Accident- what are the step by step actions to be taken in case of fire- what is Preventive Measures- what is During fire accident- what is During fire accident- what is Things that must never be done during a fire

Massive forest fires may start in hot and droughty weather as a result of lightning, and human carelessness or from other causal factors. Fires can lead to the destruction of buildings, wooden bridges and poles, power, transmission and telecommunication lines, warehouses of containing oil products and other fuel. It causes injury to people and animals. […]

## What is Drowning- what is accidental Drowning

Drowning Drowning is the 3rd leading cause of unintentional injury death worldwide, accounting for 7% of all injury-related deaths. There are an estimated 3,72,000 annual drowning deaths worldwide. Children, males and individuals with increased access to water are most at risk of drowning. Drowning is the process of experiencing respiratory impairment from submersion/immersion in liquid; […]

## Man – made Disasters- what are 5 man made Disasters- what are man made disaster example- what is the biggest man made disaster- what is Stampede- what type of word is stampede- what is Causes of stampede- what is Stampede Management – what is rules of action for stampede

Disaters induced by human beings are man-made disasters. It includes fire accident, transport accident, structure failure, minining accidents, explosions, stampede etc. In this lesson, we study about some of the man-made disasters. Stampede The term stampede is a sudden rush of a crowd of people, usually resulting in injuries and death from suffocation and trampling. […]

## What is Community-Based Disaster Risk Reduction- what is disaster risk Reduction- what is Reduction – what is the role of community based disaster risk Reduction

Community is a group of people living in the same place having homogenous characteristics. It includes shared experiences, locality, culture, language and social interests. Communitybased disaster risk reduction is a process within a community and for the community. Reducing risk in communities should address the root causes of risks and address it through local knowledge […]

## Man-Made Disasters – Public Awareness For Disaster Risk Reduction

Introduction “Mumbai railway station stampede kills at least 22” “Rush-hour crush on footbridge connecting two stations was triggered by falling concrete that caused panic!” At least 22 people have been killed and more than 30 injured during a rush-hour stampede on a bridge between two railway stations in Mumbai. The crush occurred on a narrow […]

## Global Navigation Satellite System (GNSS)- what is Global Navigation Satellite System- what is difference Global Navigation Satellite System- what is meaning (GNSS)

GNSS refers to the collection of the world’s global satellite based positioning systems. It includes GPS (United States) GLONASS (Russia) GALILEO (European Union) BEODOU (China) IRNSS (India) QZSS (Japan). GNSS can provide centimetre level accuracy with a low-cost receiver, if an error correction technique is used. GNSS are recognized to be the systems of choice […]

## Functions of GIS- what is the purpose and function of function – what are the 4 components of GIS- what is Data Capture- what is business Data capture- what is Data Storage- what is data storage give example- How does data storage data- what is Data Manipulation- what are the tree major purpose of GIS- what is Query and Analysis

The functions of GIS describe the steps that have to be taken to implement a GIS. These steps have to be followed in order to obtain a systematic and efficient system. The steps involved are data capture, data storage (GIS Data Models), manipulation and analysis. Data Capture The input of data into a GIS can […]

## Geographic Information System- what is meaning of Geographic Information System- what is an explain Geographic Information System- what is purposes GIS- what is Generation of the computers

The Geographic information systems have emerged in the past two decades as an essential tool for urban and resource planning and management. It includes the functions of data entry, data display, data management,information retrieval and analysis. While GIS deals with entire geography of the earth including land, ocean and atmosphere, the art, science and technology […]

## Remote sensing platform- what is senior platform – what is remote remote sensing platform and type – what is ground based platform- where is remote sensing uses- what is Ground borne platform- what is Air borne platform

Remote sensing platform The platform is a stage to mount the camera or sensor to acquire the information about a target under investigation. Based on the altitude above the earth surface, the platform can be classified as Ground borne platform, Air borne platform and Space borne platform. Ground borne platform Ground based platforms sensors may […]