Explain different branches of physical geography

It has four sub-branches which are as follows:
(i) Geomorphology: It i is the scientific study of the origin and evolution of topographic and bathymetric features created by physical, chemical or biological processes operating at or near the Earth's surface. 

(ii) Climatology:It is the branch of the atmospheric sciences concerned with both the description of climate and the analysis of the causes of climatic differences and changes and their practical consequences.

(iii) Hydrology: Hydrology is the scientific study of the movement, distribution, and quality of water on Earth and other planets, including the water cycle, water resources and environmental watershed sustainability.

(iv) Soil Geography: It is a branch of soil science that studies the pattern of distribution of soils on the earth's surface for the purpose of soil-geographic regionalization.

It is concerned with the study of the processes of soil formation, soil types, their fertility status, distribution and use.