Abrupt cooling of cold seasons at the middle-late Holocene transition revealed by alkenone records from North China

J Zhao, J Liu, J Liu, S Chen, A Zhou, L Chen… - Quaternary Science …, 2024 - Elsevier
In saline lakes, the paleoenvironmental interpretation of long-chain alkenones (LCAs) is
difficult due to the inputs of Isochrysidales Group 2i, which are ice-related bloomers. Here …

Pre‐Industrial (1750–1850 CE) Cold Season Warmth in Northeastern China

Y Yao, L Wang, Y Huang, J Liang… - Geophysical …, 2023 - Wiley Online Library
Contrary to global warming projections, northern mid‐latitude continents have suffered from
an increased frequency of unusually cold winters during the last few decades. However, a …

A Comparison Study of Mg/Ca‐, Alkenone‐, and TEX86‐Derived Temperatures for the Brazilian Margin

A Bahr, A Jaeschke, A Hou, K Meier… - Paleoceanography …, 2023 - Wiley Online Library
The reconstruction of accurate sea‐surface temperatures (SST) is of utmost importance due
to the ocean's central role in the global climate system. Yet, a number of environmental …

Validation of the U37K′ paleotemperature proxy in the South Brazilian Bight from core-top sediments

F Stanchak, JN Richey, A Gerotto, A Shevenell… - Organic …, 2025 - Elsevier
The paleothermometer based on the alkenone unsaturation index (U 37 K′) is often used
to reconstruct past sea surface temperatures (SST). In the SW Atlantic Ocean, however, a …

Multi-proxy reconstructions of paleotemperature in the southern South China Sea since the last deglaciation

L Tian, Y Yang, L Li, Y Ruan, J He, G Jia - Global and Planetary Change, 2024 - Elsevier
The accuracy of paleothermometers is a prerequisite for understanding the past sea surface
temperature (SST) changes in the tropical seas. Here, we analyzed the SST estimates …

Exploring the theoretical upper temperature limit of alkenone unsaturation indices: Implications for paleotemperature reconstructions

S Liao, J Novak, Y Huang - Organic Geochemistry, 2023 - Elsevier
The structural specificity, exceptional diagenetic stability, and linear response of
unsaturation to temperature have made alkenones an indispensable tool for reconstructing …

Unusually high production of C37: 4 alkenone by an Arctic Gephyrocapsa huxleyi strain grown under nutrient-replete conditions

S Liao, KJ Wang, Y Huang - Organic Geochemistry, 2023 - Elsevier
The percentage of C 37: 4 alkenone relative to total C 37 alkenones (C 37: 4%) in northern
high-latitude ocean waters and surface sediments, which can be up to 77%, has been …

Iberian Margin surface ocean cooling led freshening during Marine Isotope Stage 6 abrupt cooling events

H Zhang, Y Huang, R Wijker, I Cacho, J Torner… - Nature …, 2023 - nature.com
The high-resolution paleoclimate records on the Iberian Margin provide an excellent archive
to study the mechanism of abrupt climate events. Previous studies on the Iberian Margin …