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Examples are given for the Tonle Sap lake in Cambodia, a large river as the Mekong in Vietnam and a smaller one in the South of Burma, the Tenasserim river. Typic time series plotted vs time or vs latitude (along the track) show a rise of the water level about 5m between August and November 2011 over these three examples.

Time series of altimetry-derived heights (in meters) over the Tonle Sap (left), along the Jason-2 #001 ground track, between July 2008 and November 2011, ie between cycle 001 (2008/07/12) and cycle 124(2011/11/13). Jason-2 data are processed for hydrology applications. View of the area and the ground track with Google Earth (right). Credits CLS/Cnes.

Altimetry-derived heights (in meters) over the Mekong river (top) and the Tenasserim river (below) along the Jason-2 #140 ground track (Mekong) and #103 (Tenesserim), every ten days between July 2008 and November 2011, ie between cycle 114 and cycle 124. Each curve represents the water level in meters (Y-axis) along the ground track (X-axis represents the latitude) at a given cycle so each curve is spacen from 10 days. Jason-2 data are processed for hydrology applications. View of the area and the ground track with Google Earth (right). Credits CLS/Cnes.