Geography | Definition, Types, History, & Facts | Britannica
2024年12月9日 · Geography, the study of the diverse environments, places, and spaces of Earth’s surface and their interactions. The modern academic discipline is rooted in ancient practice, concerned with the characteristics of places, in particular their natural environments and peoples, as well as the relations between the two.
Geography Definition & Meaning | Britannica Dictionary
GEOGRAPHY meaning: 1 : an area of study that deals with the location of countries, cities, rivers, mountains, lakes, etc.; 2 : the natural features (such as rivers, mountains, etc.) of a place
Geography and its subfields | Britannica - Encyclopedia Britannica
geography, Science of the Earth’s surface, which describes and analyzes the spatial variations in physical, biological, and human phenomena that occur on the surface of the globe and treats their interrelationships and their significant regional patterns.
geography - Kids | Britannica Kids | Homework Help
Geography is a science that deals with Earth’s surface. People who study geography are called geographers. Geographers are interested in Earth’s physical features, such as mountains, deserts, rivers, and oceans. They are also interested in the ways that people affect and are affected by the natural world.
Population Trends, Migration & Age Structure - Britannica
2025年1月8日 · demography, statistical study of human populations, especially with reference to size and density, distribution, and vital statistics (births, marriages, deaths, etc.). Contemporary demographic concerns include the “population explosion,” the interplay between population and economic development, the effects of birth control, urban congestion, illegal immigration, and labour force statistics.
Biogeography | Description & Facts | Britannica
2025年1月7日 · Biogeography, the study of the geographic distribution of plants, animals, and other forms of life. It considers habitation patterns and factors responsible for variations in distribution. Biogeographic studies divide Earth’s surface into regions exhibiting differences in the average composition of flora and fauna.
Population growth | Definition, Growth Rates, Calculation, Human ...
2025年1月1日 · population growth, in population ecology, a change in the number of members of a certain plant or animal species in a particular location during a particular time period. Factors affecting population growth include fertility, mortality, and, in animals, migration—i.e., immigration to or emigration from a particular location. The average change in a population over time is referred to as the ...
Latitude and longitude | Definition, Examples, Diagrams, & Facts ...
2024年12月6日 · Latitude and longitude, coordinate system by means of which the position or location of any place on Earth’s surface can be determined and described. Latitude is a measurement of location north or south of the Equator. Longitude is a similar measurement east or west of the Greenwich meridian.
Immigration | Definition, History, & Facts | Britannica
6 天之前 · immigration, process through which individuals become permanent residents or citizens of another country.Historically, the process of immigration has been of great social, economic, and cultural benefit to states. The immigration experience is long and varied and has in many cases resulted in the development of multicultural societies; many modern states are characterized by a wide variety of ...
Tsunami | Definition, Meaning, & Facts | Britannica
2024年12月26日 · Tsunami, catastrophic ocean wave usually caused by a submarine earthquake, by a landslide, or by a volcanic eruption. In deep water it travels as fast as 800 km (500 miles) per hour, with enormous wavelengths of more than 500 km (310 miles) but small wave amplitudes of about 30 to 60 cm (1 to 2 feet).