Positive sensitivity of land carbon sinks in the Northern Hemisphere to both concurrent and preceding Arctic Oscillation ...

• Main Author: Liu, Duqi
• Format: Dataset
• Language: unknown
• Published: figshare 2024
• Subjects: Climate change science not elsewhere classified; Arctic; Pacific; Climate change; North Atlantic; North Atlantic oscillation
• Online Access: https://dx.doi.org/10.6084/m9.figshare.25237714.v1; https://figshare.com/articles/dataset/Positive_sensitivity_of_land_carbon_sinks_in_the_Northern_Hemisphere_to_both_concurrent_and_preceding_Arctic_Oscillation/25237714/1

Aim The Arctic Oscillation (AO), North Atlantic Oscillation (NAO), and Pacific–North American Pattern (PNA) cause climate variability in the Northern Hemisphere (NH), which affects the carbon cycle of terrestrial ecosystems. Location Northern Hemisphere (north of 30° N). Time Period From 1980 to 2017. Major Taxa Studied Plant. Methods Based on the dynamic global vegetation modeland oscillation indices, we performed sensitivity analyses to analyse the impacts of the AO, NAO and PNA on changes in terrestrial climate and carbon cycle dynamics. Results The positive AO (pAO), positive NAO (pNAO), negative NAO (nNAO) and negative PNA (nPNA) led to warmer and drier conditions in the NH, whereas the positive PNA (pPNA) and negative AO (nAO) resulted in colder and more humid conditions. Furthermore, the pAO and nNAO increased the carbon sinks of terrestrial ecosystems, whereas the pNAO, pPNA, nAO and nPNA reduced the carbon sinks. Main Conclusions With respect to direct impacts, increased AO and NAO indices increased ...