CC
Member Since 1987
Christina Christina Ravelo
Professor, University of California Santa Cruz
AGU Research
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Southward Shift and Intensification of the Intertropical Convergence Zone in the North Pacific Across the Mid‐Pleistocene Transition
GEOPHYSICAL RESEARCH LETTERS
23 december 2023
Xingxing Wang, Yue Wang, Kelsey Dyez, Ana C. Ravel...

The Hadley Circulation and associated westerlies strengthened and moved equatorward across the mid‐Pleistocene transition (MPT). However, the...

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The evolution of inter-basin δ15N gradients since the Miocene: Insights from observations and model simulations
ADVANCES IN THE MIOCENE CLIMATE DYNAMICS I POSTER
paleoceanography and paleoclimatology | 15 december 2023
Yan Zhang, Ana C. Ravelo, Mathis Hain
Nitrogen (N), a critical nutrient in the ocean, influences biological productivity, carbon sequestration, and climate change, yet there is limited kno...
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Decreasing Sea Surface Temperatures and Movement of the Sub-Antarctic Front in the Pacific Sector of the Southern Ocean During Late Miocene Cooling
ADVANCES IN THE MIOCENE CLIMATE DYNAMICS I POSTER
paleoceanography and paleoclimatology | 15 december 2023
Elizabeth M Walsh, Yuen Tung Kiki Wan, Li Lo, Huei...
Existing paleorecords suggest that sea surface temperatures (SST) were significantly warmer during the late Miocene, cooling by ~6°C during the late M...
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Aridification of Northwest Australia and Nutrient Decline in the Timor Sea During the 40 Kyr World
PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY
29 september 2023
Yan Zhang, Tori Andrade, Ana C. Ravelo, Li Gong, A...

Studying tropical hydroclimate and productivity change in the past is critical for understanding global climate dynamics. Northwest Australia is an...

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Reconstructing mid-Pliocene El Padre thermocline conditions
CLIMATE RECONSTRUCTION FROM THE PACIFIC REGION: INSIGHTS INTO PAST OCEANIC AND ATMOSPHERIC CONDITIONS I ORAL
paleoceanography and paleoclimatology | 14 december 2022
Heather L. Ford, Natalie Burls, Deepak Chandan, Ka...
Tropical Pacific climate dynamics have a large impact on global climate as demonstrated by El Niño events. Records from the mid-Pliocene warm period (...
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Constraining Pacific Antarctic Circumpolar Current dynamics across the Plio-Pleistocene using organic geochemical biomarker proxies from IODP Expedition 383 Site U1540
CLIMATE RECONSTRUCTIONS FROM THE PACIFIC REGION: INSIGHTS INTO PAST OCEANIC AND ATMOSPHERIC CONDITIONS I ORAL
paleoceanography and paleoclimatology | 17 december 2021
Rebecca A. Smith, Isla S. Castañeda, Jeff Salacup,...
The Antarctic Circumpolar Current (ACC) is a primary driver of global thermohaline circulation as it redistributes water and heat between the Pacific,...
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RGB Data as a High Resolution Proxy for Southern Ocean Nutrient Changes on a Centennial Scale
HIGH-RESOLUTION SEDIMENTARY ARCHIVES AND THE DETECTION OF ABRUPT ENVIRONMENTAL CHANGES I ORAL
paleoceanography and paleoclimatology | 16 december 2021
Brooke Santos, Kimberly A. DeLong, Ana C. Ravelo, ...
Known for being a main driver for global nutrient cycling, the Southern Ocean is key to understanding the mechanisms behind global climate and the res...
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High-resolution records of dust and productivity from the Pacific sector of the Southern Ocean across Termination III
CLIMATE RECONSTRUCTIONS FROM THE PACIFIC REGION: INSIGHTS INTO PAST OCEANIC AND ATMOSPHERIC CONDITIONS III POSTER
paleoceanography and paleoclimatology | 16 december 2021
Alexia Alejos, Gisela Winckler, Jordan T. Abell, J...
The Southern Ocean is characterized by the fastest and strongest current found on the planet, the Antarctic Circumpolar Current (ACC). Driven by the S...
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