Finding a Secret Map to Erosion (w/ Video)
Thursday, February 11, 2010 - 16:21
in Earth & Climate
(PhysOrg.com) -- On the northeast coast of New Zealand's North Island, the Waipaoa River drains into the dazzling sea. Upriver, things are not so pretty. More than a century of land clearing for farming has created some of the most dramatic erosion in the world: raw amphitheatres and gullies dump tons of fine-grained mud into headwater streams, choking wildlife with silt and flooding vineyards downriver.