IndOOS-2: A roadmap to sustained observations of the Indian Ocean for 2020-2030

Type Report
Date 2019
Language English
Ref. CLIVAR-4/2019, GOOS-237, 206 pp.
Author(s) Beal Lisa M, Vialard Jérôme, Roxy Mathew K, And Lead Authors 2019
DOI 10.36071/clivar.rp.4.2019
Publisher International CLIVAR Project Office

Key functions of the Indian Ocean Observing System (IndOOS) IndOOS is the sustained observing system for the Indian Ocean, a network operated and supported by various national agencies and coordinated internationally under the Global Ocean Observing System ( framework by the CLIVAR/IOC-GOOS Indian Ocean Region Panel (see Appendix A for a list of acronyms). The IORP is made up of an international group of scientists and science leaders from countries and institutions within and outside the Indian Ocean region who have a commitment to sustained observations of the Indian Ocean. About one third of the global population live around the Indian Ocean, many in small islands, developing states and least developed countries that are especially vulnerable to climate impacts. There is growing societal demand for monitoring, understanding, and predicting the state of the Indian Ocean and its climatic influences in a time of accelerating changes and rapid growth in the blue economy. Despite its relatively small size, the Indian Ocean has accounted for 30% of the global oceanic heat content increase over the last two decades, while it is home to 30% of the world’s coral reefs and 13% of global wild-catch fisheries. Cyclones, floods, droughts, and heatwaves are becoming more extreme around the Indian Ocean, with anthropogenic climate change increasingly impacting weather patterns and threatening marine and terrestrial resources. Moreover, natural climate phenomena with global impacts, such as the Madden- Julian Oscillation (MJO) and the Indian Ocean Dipole (IOD), originate in the Indian Ocean. The goal of IndOOS is to provide sustained high-quality oceanographic and marine meteorological measurements that can support knowledge-based decision-making and policy development through improved scientific understanding, and ultimately, improved regional weather, ocean, and climate forecasts. Why IndOOS-2? The existing IndOOS design was established on the basis of an Implementation Plan drafted by the CLIVAR IORP in 2006. Since then, societal and scientific priorities and measurement technologies have evolved, many practicalities of implementation have been learned, and the pace of climatic and oceanic change has accelerated. The main objective of this document is to review the successes and failures of the IndOOS and to incorporate these practicalities, together with new priorities, into actionable recommendations for future observing system components that will make up IndOOS-2. In essence, the review findings provide a roadmap to address the clear and urgent need for expansion of a global ocean observing system designed to meet the requirements of a broad suite of users, as recognized in the GOOS 2030 Strategy. This review and the resulting roadmap was sponsored by the OOPC, an expert panel of GOOS, as a system-based evaluation to renovate or fill gaps in the IndOOS and increase its readiness level. It was conducted and written by a group of sixty international scientists, under the guidance of the IORP in partnership with SIBER and under the scrutiny of an independent review board appointed through various partners of GOOS (see Appendix B for the full list of contributors).

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Beal Lisa M, Vialard Jérôme, Roxy Mathew K, And Lead Authors 2019 (2019). IndOOS-2: A roadmap to sustained observations of the Indian Ocean for 2020-2030. CLIVAR-4/2019, GOOS-237, 206 pp.