AH
Member Since 2001
Ann Holbourn
Senior researcher, University of Kiel
AGU Research
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Calibrating timescales and measuring pCO2 to test the role of large igneous province volcanism in the Miocene Climate Optimum
ADVANCES IN THE MIOCENE CLIMATE DYNAMICS II ORAL
paleoceanography and paleoclimatology | 15 december 2023
Jennifer Kasbohm, Hana Jurikova, Blair Schoene, An...
Understanding Miocene climatic changes requires the development of accurate and precise chronologies that allow for a detailed alignment and integrati...
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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...
Influence of the Aptian-Albian Boundary Carbon Cycle Perturbation on Benthic Foraminifera from the Atlantic Ocean
OCEAN DEOXYGENATION DURING PAST HYPERTHERMALS II POSTER
paleoceanography and paleoclimatology | 13 december 2022
Karlos G. Kochhann, Brian T. Huber, Ann Holbourn, ...
The Aptian-Albian boundary is characterized by a carbon cycle perturbation, evidenced by a negative stable carbon isotope excursion (CIE) assigned to ...
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Obliquity Induced Latitudinal Migration of the Intertropical Convergence Zone During the Past ∼410 kyr
GEOPHYSICAL RESEARCH LETTERS
10 november 2022
Peng Zhang, Jian Xu, Ann Holbourn, Wolfgang Kuhnt,...
Obliquity influences the latitudinal position of the Intertropical Convergence Zone (ITCZ). However, the specific forcing mechanism remains unclear...
The 1.65 Ma event at Northwest Australian IODP Site U1483: A major transition during the mid-Pleistocene 40 kyr world
TROPICAL PALEOCLIMATE ACROSS TIME: INSIGHTS FROM PROXY DATA AND CLIMATE MODELS III POSTER
paleoceanography and paleoclimatology | 13 december 2021
Yan Zhang, Ana C. Ravelo, Tori Andrade, Ivano W. A...
IODP Site U1483 is situated off the coast of Northwest Australia, directly under the main pathway of the Indonesian Throughflow (ITF), which is a good...
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Linkages Between East China Sea Deep‐Sea Oxygenation and Variability in the East Asian Summer Monsoon and Kuroshio Current Over the Last 400,000 years
PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY
24 november 2021
Nishant Vats, Raj Singh, Manisha Das, Ann Holbourn...
The East China Sea (ECS) seasonally receives a high organic input due to the terrestrial organic matter influx, which is controlled by the East Asi...
Evolution of Sea Surface Hydrology Along the Western Australian Margin Over the Past 450 kyr
PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY
05 november 2021
Renjie Pei, Wolfgang Kuhnt, Ann Holbourn, Janika J...
We collected a suite of core top samples during R/V Sonne Cruise SO257 in May 2017 along the southwestern front of the Indo‐Pacific Warm Pool...
Enhanced Late Miocene Chemical Weathering and Altered Precipitation Patterns in the Watersheds of the Bay of Bengal Recorded by Detrital Clay Radiogenic Isotopes
PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY
06 september 2021
Lisa Bretschneider, Ed Hathorne, Clara T. Bolton, ...
The late Miocene was a period of declining CO2 levels and extensive environmental changes, which likely had a large impact on monsoon strength as w...