11-17-08 - Geography 1111 11/17/08 Drainage Basins/Stream...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Geography 1111 11/17/08 Drainage Basins/Stream Flow 1. Basic concepts 2. What happens to precipitation? 3. Delivery of water to stream channels 4. Factors affecting infiltration 5. Hydrographs Basic Concepts Degradational action of running water on the earth’s surface o Water in streams, channelized flow o Water running over land, unconfined to streams, called sheetwash, overland flow, or slope runoff. Erosion o Slope runoff—delivers sediment to stream channel o Channelized flow in stream delivers sediments to the ocean Base level o Lowest point in which a stream can reach o Ocean Drainage basin—terrain that contributes water carried by a stream o Same as a watershed o Collects water and delivers it to a stream (valleys) o Water area that collects and channelizes flow o Oconee R Altamaha R Atlantic Ocean o Chattahoochee/Flint R Apalachicola R Gulf of Mexico Drainage Networks o Typical drainage network: Dendritic o Slope controlled: Parallel: flowing downward
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 3

11-17-08 - Geography 1111 11/17/08 Drainage Basins/Stream...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online