‘’‘’RIVERS’’RIVERS’’

Examples of riversExamples of rivers

‘’‘’RIVERS’’RIVERS’’

WATER FALLING ON LAND SURFACES WATER FALLING ON LAND SURFACES MUST RUN OFF IN ESTABLISHED MUST RUN OFF IN ESTABLISHED STREAMS OR ERODE NEW STREAMS OR ERODE NEW CHANNELS. THE RUN OFF SEVERAL CHANNELS. THE RUN OFF SEVERAL SLOPES COLLECTS IN LOW PLACES. SLOPES COLLECTS IN LOW PLACES. THIS GREATLY INCREASES THE THIS GREATLY INCREASES THE ERODING POWER OF WATER, AND ERODING POWER OF WATER, AND SOON A GULLY IS FORMED. SOON A GULLY IS FORMED.

•THUS THE NATURAL THUS THE NATURAL CONTOUR OF THE LAND CONTOUR OF THE LAND PARTLY DETERMINES THE PARTLY DETERMINES THE PLACES WHERE MAJOR PLACES WHERE MAJOR STREAMS WILL STREAMS WILL EVENTUALLY DEVELOPEVENTUALLY DEVELOP

EVENTUALLY THIS PROCESS EVENTUALLY THIS PROCESS RESULTS IN A RESULTS IN A

FULLY DEVELOPED VALLEY FULLY DEVELOPED VALLEY CONTAINING A CONTAINING A

PERMANENT STREAM. ALONG THE PERMANENT STREAM. ALONG THE GROWTHGROWTH

OF THE BEGINNING RIVER AND ITS OF THE BEGINNING RIVER AND ITS VALLEY.VALLEY.

TRIBUTARIESTRIBUTARIES--aa stream which flows into a larger one.stream which flows into a larger one.WatershedWatershed-a series of slopes which drain into a -a series of slopes which drain into a

river system.river system.Steam piracySteam piracy-capture of the water of one stream by -capture of the water of one stream by

another as a result of erosion of a another as a result of erosion of a divide separating the stream valleys.divide separating the stream valleys.

THANK THANK YOU!!!YOU!!!

PREPARED BY:PREPARED BY:

KATLEEN JUNE P. ESPEJOKATLEEN JUNE P. ESPEJO

I-EINSTEINI-EINSTEIN