Can El Nińo amplify the solar forcing of climate?
نویسندگان
چکیده
منابع مشابه
Reduction of climate sensitivity to solar forcing
An accurate assessment of the role of solar variability is a key step towards a proper quantification of natural and anthropogenic climate change. To this end, climate models have been extensively used to quantify the solar contribution to climate variability. However, owing to its large computational cost, the bulk of modeling studies to date have been performed without interactive stratospher...
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A criterion to discriminate between solar and cosmic ray forcing of the terrestrial climate H. Fichtner, K. Scherer, and B. Heber Institut für Theoretische Physik IV, Ruhr-Universität Bochum, 44780 Bochum, Germany Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität Kiel, 24118 Kiel, Germany Received: 15 August 2006 – Accepted: 19 October 2006 – Published: 25 Octob...
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An influence of solar irradiance variations on Earth’s surface climate has been repeatedly suggested, based on correlations between solar variability and meteorological variables1. Specifically, weaker westerly winds have been observed in winters with a less active sun, for example at the minimum phase of the 11-year sunspot cycle2–4. With some possible exceptions5,6, it has proved difficult fo...
متن کاملSolar forcing of regional climate change during the Maunder Minimum.
We examine the climate response to solar irradiance changes between the late 17th-century Maunder Minimum and the late 18th century. Global average temperature changes are small (about 0.3 degrees to 0.4 degrees C) in both a climate model and empirical reconstructions. However, regional temperature changes are quite large. In the model, these occur primarily through a forced shift toward the lo...
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A better understanding on natural climate variability is crucial for global climate change studies and the evaluation of the sensitivity of the climate system to perturbations. External forcing factors might contribute substantially to both high and low frequency variations in climate but a clear separation of their impact from internally forced fluctuations is difficult. We focus on solar irra...
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ژورنال
عنوان ژورنال: Geophysical Research Letters
سال: 1999
ISSN: 0094-8276
DOI: 10.1029/1999gl900535