An Annotated atlas of post-1.8 ka shoreline features at Lake Taupo, New Zealand

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SR_1997-019-pdf
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Wilson, C.J.N.; Riggs, N.R.; Ort, M.H.; White, J.D.L.; Houghton, B.F. 1997 An Annotated atlas of post-1.8 ka shoreline features at Lake Taupo, New Zealand. Lower Hutt: Institute of Geological & Nuclear Sciences. Institute of Geological & Nuclear Sciences science report 97/19 35 p.

Abstract: This science report is the initial output of a collaborative project to describe the processes and effects of catastrophic flooding accompanying and following large explosive eruptions at Taupo volcanic centre. We present an annotated atlas of the principal shoreline features formed around Lake Taupo during the aftermath of the latest eruption there (widely known as the Taupo eruption), at 1.8 14C ka. Following this eruption, the lake filled to c. 30 metres above the modern level, then rapidly drained down the Waikato River, dropping the lake level to near-modern levels. The shoreline features serve not only as a record of sedimentological processes involved as erosion of the unconsolidated eruption products waned and a vegetation cover became re-established, but act as benchmarks for study of long-term deformation in the southern central Taupo Volcanic Zone. (auth)