Search results for "hydroclimate changes"

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Speleothem records decadal to multidecadal hydroclimate variations in southwestern Morocco during the last millennium

2017

Abstract This study presents the first well-dated high resolution stable isotope ( δ 18 O and δ 13 C ) and trace element (Mg and Sr) speleothem records from southwestern Morocco covering the last 1000 yrs. Our records reveal substantial decadal to multidecadal swings between dry and humid periods, consistent with regional paleorecords with prevailing dry conditions during the Medieval Climate Anomaly (MCA), wetter conditions during the second part of the Little Ice Age (LIA), and a trend towards dry conditions during the current warm period. These coherent regional climate signals suggest common climate controls. Statistical analyses indicate that the climate of southwestern Morocco remaine…

Atlantic Oscillation010504 meteorology & atmospheric sciencesHigh resolutionSpeleothem[PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph]speleothem southwestern Morocco last millennium hydroclimate changes Atlantic Oscillation Sahara Low010502 geochemistry & geophysics01 natural scienceshydroclimate changesGeochemistry and PetrologyAtlantic multidecadal oscillationEarth and Planetary Sciences (miscellaneous)Little ice agespeleothemComputingMilieux_MISCELLANEOUS0105 earth and related environmental sciencesgeographygeography.geographical_feature_categoryAnomaly (natural sciences)MUDANÇA CLIMÁTICATrace elementSahara Lowsouthwestern MoroccoGeophysicslast millennium13. Climate actionSpace and Planetary ScienceNorth Atlantic oscillationClimatologyPeriod (geology)GeologyEarth and Planetary Science Letters

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