IBDP Geography Section A Chapter 1 Notes

drainage basin hydrology and geomorphology


These notes have specially been curated by expert teachers to simplify and enlighten concepts given in IB Geography. The notes are comprehensive in nature and are sufficient to study the chapter in depth, One need not look for other resources beyond the notes provided on our website which can be accessed for free. The notes for Geography IBDP are available on our official website and can be downloaded for free. You are one click away from obtaining all that you need to score well in IB Geography. The material made available on Tychr’s website is available for all IBDP subjects and is specially curated after an extensive amount of effort to ensure that the notes are in consonance with the IB curriculum and are an amalgamation from various textbooks prescribed by the IBO.

Students often face a challenge understanding concepts, especially concepts that are new and These IB Geography Notes will help the student cover the chapter of Drainage Basin Hydrology and Geomorphology entirely while explaining each and every concept in a detailed and easy way.

This chapter will help you gain technical knowledge about the concepts within the border study of water, landforms and their relationship with the environment. The chapter breaks down key concepts related to the hydrological cycle, the working of drainage basins, evaporation, precipitation and many more. It provides clarity on the key differences between evaporation, evapotranspiration and potential evapotranspiration. The chapter further explores concepts within flows, stores and stream flows.

It touches on technical concepts such as the speed of the flow of the river, also called velocity and numerically represents the formula that describes the relationship between channel roughness and velocity. The chapter finally helps understand the causes of erosion and factors affecting erosion such as load, velocity, gradient, geology, PH, and human impact. It also explains transportation the causes for deposition, and the processes where materials being transported by a river are deposited. The chapter ends with a quick overview on the formation of typical river landforms. Within this, you will see formations such as waterfalls, floodplains, meanders, deltas and levees.