The document discusses the hydrological cycle within a drainage basin. A drainage basin is the area of land drained by a river and its tributaries, forming an open system with inputs, stores, flows, and outputs of water. It instructs the reader to label a diagram of a drainage basin with features including the source, watershed, tributaries, confluence, and mouth.

1. The Global Hydrological Cycle A closed system All water is finite

2. The Drainage Basin Water Cycle What is it? The area of land drained by a river and its tributaries. It is an OPEN system, with INPUTS, STORES, FLOWS/TRANSFERS and OUTPUTS

3. The Drainage Basin Cycle

4. The Drainage Basin Hydrological Cycle What do you remember? Label your diagram: Drainage basin Confluence Tributary Mouth Source Watershed