Скачать или смотреть INQUA 2027 | Talk Series | Talk-13 | Late-Quaternary climate variations in the tropical Andes

This lecture explores emerging insights into late Quaternary climate change across the tropical Andes (8°N–22°S), a region uniquely positioned across hemispheres and climate zones. While polar records have long dominated Quaternary research, the tropical Andes now offer crucial perspectives on orbital- and millennial-scale dynamics, ENSO variability, and inter-hemispheric climate linkages.

🧭 Key Topics Covered:

The "glacial/interglacial paradox": contrasting hydroclimate signals in northern vs. southern Andes

Orbital forcing and long-term glacial cycles

Drivers of Holocene ENSO variability and its paleoclimate signatures

Shifts in the Intertropical Convergence Zone (ITCZ) and their regional impacts

The role of the Andes as a natural laboratory for testing global teleconnection hypotheses

🌎 Why This Matters:
Reconstructing hydroclimate changes from high-resolution paleorecords (lake sediments, speleothems, ice cores, salt flats) helps resolve key questions in global climate science. Antiphase precipitation patterns with Northern Hemisphere monsoon systems, likely driven by ITCZ migration, underscore the tropical Andes' central role in understanding global climate mechanisms.

🔍 This lecture synthesizes the most significant records from sites such as Lake Junin, Lake Titicaca, Salar de Uyuni, and the Sajama ice core, presenting the current state of knowledge and identifying unresolved debates in tropical paleoclimatology.

📌 For researchers, graduate students, and professionals in Quaternary science, paleoclimatology, Earth system science, and Andean environmental studies.

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