Understanding and Predicting the Gulf of Mexico Loop Current

One of the most significant, energetic, yet not well understood, oceanographic features in the Americas is the Gulf of Mexico Loop Current System (LCS), consisting of the Loop Current (LC) and the Loop Current Eddies (LCEs) it sheds. Understanding the dynamics of the LCS is fundamental to understanding the Gulf of Mexico's full oceanographic system, and vice versa. Hurricane intensity, offshore safety, harmful algal blooms, oil spill response, the entire Gulf food chain, shallow water nutrient supply, the fishing industry, tourism, and the Gulf Coast economy are all affected by the position, strength, and structure of the LC and associated eddies.

This report recommends a strategy for addressing the key gaps in general understanding of LCS processes, in order to instigate a significant improvement in predicting LC/LCE position, evolving structure, extent, and speed, which will increase overall understanding of Gulf of Mexico circulation and to promote safe oil and gas operations and disaster response in the Gulf of Mexico. This strategy includes advice on how to design a long-term observational campaign and complementary data assimilation and numerical modeling efforts.

Table of Contents

• Front Matter
• Summary
• 1 Introduction
• 2 Setting the Stage
• 3 Critical Gaps and Recommendations
• 4 Loop Current Campaign Solicitation Advice
• References
• Appendix A: Description of the Loop Current
• Appendix B: Fundamental Understanding of the Loop Current System
• Appendix C: Committee Biographies
• Appendix D: Acronyms and Abbreviations
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