Authors: Dan Seidov, Alexey Mishonov, James Reagan & Rost Parsons
Abstract: The Gulf Stream is the upper-ocean limb of a powerful current system known as the Atlantic Meridional Overturning Circulation—the strongest oceanic pacemaker of the Atlantic Ocean and perhaps the entire Earth’s climate. Understanding the long-term variability of the Gulf Stream path is critical for resolving how the ocean, as a climate driver, works. A captivating facet of the Gulf Stream as a large-scale ocean climate phenomenon is its astounding resilience on timescales of decades and longer. Although the Gulf Stream has been vigorously explored over many decades, its long-term constancy deserves further scrutiny using the increased volume of in situ marine observations. We report a new study where the decadal variability of the Gulf Stream north wall (defined by the 15°C isotherm at 200m)—the major marker of the Gulf Stream pathway—is analyzed using in situ observations collected over the last 53 years.
Link: https://ssl1236e2e6fb99dfbac0e1b58f364c6f3e05f.vpn.nuist.edu.cn/articles/s41598-019-48011-9
