Why does the Tonle Sap River cause so much flooding during rainy season?



  1. 0 Votes

    The Tonle Sap River is a 62 mile long tributary to the Mekong River. During the rainy season in the early summer the Mekong takes on so much water that the flood waters of the Mekong actually cause the Tonle Sap to backtrack against the gradient. This causes massive flooding back towards Tonle Sap Lake. During this time much of Cambodia is underwater. See the link below for great satellite imagery of both the dry and wet seasons.   

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