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Showing 1–5 of 5 results
Advanced filters: Author: Benjamin Maunder Clear advanced filters

  • Findings on solar activity in the first millennium CE confirm four Grand Solar Minima and indicate two patterns of weakening-then-strengthening in the Schwabe cycle, providing insights into solar dynamo behavior, according to analysis of Δ14C data from tree rings.

    • Jian Wang
    • Michael W. Dee
    • Ronny Friedrich
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 7, P: 1-13

  • Simple analytic estimates and detailed numerical calculations show that the solar dynamo begins near the surface, rather than at the much-deeper tachocline.

    • Geoffrey M. Vasil
    • Daniel Lecoanet
    • Keith Julien
    ResearchOpen Access
    Nature
    Volume: 629, P: 769-772

  • Megadroughts can be defined as persistent, multi-year droughts that are exceptional compared with other regional events during the Common Era. This Review discusses palaeo reconstructions of megadroughts over the past 2,000 years, and outlines the impact of anthropogenic forcing on the severity and frequency of observed and projected events.

    • Benjamin I. Cook
    • Jason E. Smerdon
    • Erika K. Wise
    Reviews
    Nature Reviews Earth & Environment
    Volume: 3, P: 741-757