1. of, relating to, or characteristic of the basic or inherent constitution of a person or thing; fundamental: a radical fault. 2. concerned with or tending to concentrate on fundamental aspects of a matter; searching or thoroughgoing: radical thought; a radical re-examination.
Mentawai. The Mentawai islands are located some 130 km to the west of the west coast of central Sumatra, specifically the province of West Sumatra and its provincial capital Padang.There are four islands in the group. The largest, and most northerly is Siberut.reface: General Information and Preliminary Issues. The Mentawai islands are located some 130 km to the west of the west coast of central Sumatra, specifically the province of West Sumatra and its provincial capital Padang.
Water temperatures around the Mentawai Islands dropped about 4Â° Celsius during the height of a positive phase of the Indian Ocean Dipole in November of 1997. During these events unusually strong winds from the east push warm surface water towards Africa, allowing cold water to upwell along the Sumatran coast.et evidence from fossil coral reefs demonstrates that the IOD has functioned since at least the middle of the Holocene period, 6500 years ago. An average of four each positive/negative IOD events occur during each 30-year period with each event lasting around six months.