Atmospheric rivers are a plume of moisture that extend across the Pacific to near Hawaii. When they hit land they can cause ...

River processes and landforms Learn about river processes and landforms, and how river form part of the water cycle. Rivers and flooding It is important to understand what causes flooding and what ...

Water collects and starts to flow down as a stream. Several of these small streams join together to form a river. At this stage the water is fast flowing and can create rapids, waterfalls ...