...through the loss of most of its tributaries, and the failure of others, ceased to flow—although even now, in time of great floods above, its waters have occasionally reached the ocean.

Raverty, H.G., The Mihran of Sind and its Tributaries : a Geographical and Historical Study" quoted in Chakrabarti, D. K., & Saini, S. (2009). The problem of the sarasvati river and notes on the archaeological geography of haryana and indian panjab. Aryan Books International.