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Showing 1–11 of 11 results
Advanced filters: Author: Hubert Vonhof Clear advanced filters

  • High near-surface nitrogen-fixation rates that promoted the recent growth of the Great Atlantic Sargassum Belt were tied to greater upwelling of phosphorus from the equatorial Atlantic, according to coral-bound nitrogen isotope records from the Caribbean.

    • Jonathan Jung
    • Nicolas N. Duprey
    • Alfredo Martínez-García
    ResearchOpen Access
    Nature Geoscience
    Volume: 18, P: 1259-1265

  • A climatic record from desert speleothems shows that the central Arabian interior experienced recurrent humid intervals over the past 8 million years, which likely facilitated mammalian dispersals between Africa and Eurasia.

    • Monika Markowska
    • Hubert B. Vonhof
    • Gerald H. Haug
    ResearchOpen Access
    Nature
    Volume: 640, P: 954-961

  • Nitrogen isotope evidence of Mid-Devonian photosymbiotic associations in certain types of corals suggests that autotrophic and heterotrophic corals co-existed on extinct reefs, as today, but in warmer oceans, indicating the current warming rate, not temperature, is causing coral bleaching.

    • Jonathan Jung
    • Simon F. Zoppe
    • Alfredo Martínez-García
    ResearchOpen Access
    Nature
    Volume: 636, P: 647-653

  • The influence of meltwater pulse events on Asian monsoon systems varied in line with the degree of AMOC weakening, according to a multi-proxy analysis of speleothems from China covering the penultimate glacial termination.

    • Jasper A. Wassenburg
    • Hubert B. Vonhof
    • Gerald H. Haug
    ResearchOpen Access
    Nature Geoscience
    Volume: 14, P: 937-941

  • Solar insolation is not equally distributed on the Earth’s surface and such imbalances influence the atmospheric circulation. Here, the authors show that latitudinal insolation gradients synchronized the hydroclimate in the Northern mid-latitudes and the African and South American Monsoons throughout the Holocene.

    • Michael Deininger
    • Frank McDermott
    • Denis Scholz
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-9

  • Increasing atmospheric concentrations of anthropogenic carbon dioxide and acidification of surface waters have led to basin wide reductions in planktic foraminifera calcification in the Mediterranean Sea, suggest sediment core analyses of shell weight, geochemistry, and supporting proxies.

    • Sven Pallacks
    • Patrizia Ziveri
    • Belen Martrat
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 4, P: 1-10

  • Western-central European summers were about 6–10 °C cooler with roughly 30–70% less precipitation during last glacial climate oscillations compared to modern values, according to quantitative paleoclimate estimates based on earthworm calcite granules.

    • Charlotte Prud’homme
    • Peter Fischer
    • Kathryn E. Fitzsimmons
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 3, P: 1-14

  • Late Cenozoic variation in Central Asian hydroclimate resulted from the interaction between mid-latitude westerlies and the Siberian high-pressure system and may have driven terrestrial feedbacks, according to analyses of sediments from Charyn Canyon, Kazakhstan.

    • Charlotte Prud’homme
    • Giancarlo Scardia
    • Kathryn E. Fitzsimmons
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 2, P: 1-8