PRACTICAL GEOGRAPHY
IDENTIFICATION OF RELIEF FEATURES USING THEIR CONTOUR FORMS
It is possible to identify specific relief features on topographical maps by examining the way their contour forms are arranged. This post discusses specific relief features and how their contour forms are arranged, especially on topographical maps. Slopes and…
FIELD-WORK IN GEOGRAPHY
Field-work in geography involves the work of gathering information by going into the field to gain practical experience and knowledge through firsthand observation. Stages of Field-work The execution of any field-work in geography may be grouped into three stages,…
INTRODUCTION TO LAND SURVEYING
A Brief Historical Account: It is not yet specifically known where surveying originated, but it is very probable that it has its origin in ancient Egypt. For instance a plan of the villa of a great Egyptian noble was found…
COMPONENTS OF GEOGRAPHIC INFORMATION SYSTEM (GIS)
A working GIS integrates these five key components: hardware, software, data, people and methods. Hardware: Hardware is the computer on which a GIS operates. Today, GIS runs on a wide range of hardware types, from centralized computer servers to desktop…
GEOGRAPHIC INFORMATION SYSTEM DATA
Data input refers to the procedure of automatization of the data and the conversion into forms that can be stored and analyzed in computers. This procedure is fundamental in every GIS and it differentiates depending on the model (vector or…
SATELLITE REMOTE SENSING
Remote sensing is defined as the act of obtaining information about something without being in direct contact with it. Definition of Concepts Remote sensing: Remote consists of the main sources of digital data for input in a GIS. Remote sensing…
BASIC CONCEPTS OF GEOGRAPHIC INFORMATION SYSTEMS (GIS)
A Geographic Information System (GIS) is a system designed to capture, store, manipulate, analyze, manage, and present all types of geographical data. In other words, GIS describes any information system that integrates stores, edits, analyses, shares and displays geographic information…
APPLICATION OF GEOGRAPHIC INFORMATION SYSTEM (GIS)
The GIS has various applications to which it can be used. These applications include the following: Defence: Geographic Information System (GIS) plays a pivotal role in military operations as they are essentially spatial in nature. The concepts of command, control,…
INTRODUCTION TO MAP READING
Map work or reading therefore, involves the ability to recognize conventional signs on a map and interpret what those signs mean or represent. A map is a representation of the earth’s surface as it is seen from the above on…
