Physical geography (or physiogeography) focuses on geography as an earth science. It aims to understand the physical lithosphere, hydrosphere, atmosphere, pedosphere and global flora and fauna patterns (biosphere). Physical geography can be divided into the following broad categories:
here's the link:
http://en.wikipedia.org/wiki/Geography#Physical_geography
Human Geography:
Human Geography is a branch of geography that focuses on the study of patterns and processes that shape human interaction with various environments. It encompasses human, political, cultural, social, and economic aspects. While the major focus of human geography is not the physical landscape of the Earth (see physical geography), it is hardly possible to discuss human geography without referring to the physical landscape on which human activities are being played out, and environmental geography is emerging as a link between the two. Human geography can be divided into many broad categories.
here's the link for categories:
http://en.wikipedia.org/wiki/Geography#Human_geography
Environmental Geography:
Environmental Geography is the branch of geography that describes the spatial aspects of interactions between humans and the natural world. It requires an understanding of the traditional aspects of physical and human geography, as well as the ways in which human societies conceptualize the environment.
Environmental geography has emerged as a bridge between human and physical geography as a result of the increasing specialisation of the two sub-fields. Furthermore, as human relationship with the environment has changed as a result of globalisation and technological change a new approach was needed to understand the changing and dynamic relationship. Examples of areas of research in environmental geography include disaster management, environmental management, sustainability and political ecology.
For main article see:
http://en.wikipedia.org/wiki/Geography#Environmental_geography
Geomatics: is a branch of geography that has emerged since the quantitative revolution in geography in the mid 1950s. Geomatics involves the use of traditional spatial techniques used in cartography and topography and their application to computers. Geomatics has become a widespread field with many other disciplines using techniques such as GIS and remote sensing. Geomatics has also led to a revitalisation of some geography departments especially in Northern America where the subject had a declining status during the 1950s.
Geomatics encompasses a large area of fields involved with spatial analysis, such as Cartography, Geographic information system (GIS), Remote sensing and GPS.
For main article on Geomatics see:
http://en.wikipedia.org/wiki/Geomatics
Regional Geography:
Regional geography is a branch of geography that studies the regions of all sizes across the Earth. It has a prevailing descriptive character. The main aim is to understand or define the uniqueness or character of a particular region which consists of natural as well as human elements. Attention is paid also to regionalization which covers the proper techniques of space delimitation into regions.
Regional geography is also considered as a certain approach to study in geographical sciences (similar to quantitative or critical geographies). For further information about regional geography see:
http://en.wikipedia.org/wiki/Regional_geography
Related fields:- Urban planning, regional planning and spatial planning: use the science of geography to assist in determining how to develop (or not develop) the land to meet particular criteria, such as safety, beauty, economic opportunities, the preservation of the built or natural heritage, and so on. The planning of towns, cities and rural areas may be seen as applied geography.
- Regional science: In the 1950s the regional science movement led by Walter Isard arose, to provide a more quantitative and analytical base to geographical questions, in contrast to the descriptive tendencies of traditional geography programs. Regional science comprises the body of knowledge in which the spatial dimension plays a fundamental role, such as regional economics, resource management, location theory, urban and regional planning, transport and communication, human geography, population distribution, landscape ecology, and environmental quality.
- Interplanetary Sciences: While the discipline of geography is normally concerned with the Earth, the term can also be informally used to describe the study of other worlds, such as the planets of the solar system, and even beyond. The study of systems larger than the earth itself usually forms part of Astronomy or Cosmology. The study of other planets is usually called planetology. Alternative terms such as areology (the study of Mars) have been proposed but are not widely used.
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