The 78^th issue of CLIVAR Exchanges has been published, focusing on the recent decadal review of the Indian Ocean Observing System (IndOOS) and its outcomes. Dr Lisan Yu from Woods Hole Oceanographic Institution (WHOI) and member of the CLIVAR/IOC-GOOS Indian Ocean Region Panel is the guest editor for this special issue.

The main body of this edition is a condensed version of the full IndOOS-2 report, re-organized under five main science themes: natural and anthropogenic warming of the Indian Ocean, monsoon and regional air-sea interaction, ocean processes and modelling, physical and biogeochemical processes and interactions, and climate information and prediction across timescales. These themed articles, written by many lead authors of the full report, are meant to provide collective reviews that address the progress made and the gaps that still exist in understanding the complex dynamical and biogeochemical processes in the Indian Ocean, and in improving prediction skills for weather, climate, and ecosystems.

This issue ends with an essay by Michael McPhaden on the origins of IndOOS. His reflections draw on experience in Indian Ocean research over a span of more than four decades. This article recounts in rich detail the development of the Indian Ocean observing system starting with the TOGA era when most emphasis was placed on the Pacific and El Niño.

For more information of the IndOOS Review, please visit: http://www.clivar.org/indoos-decadal-review-2006-2016

To download the report, please refer to below links:

Executive Summary: doi: 10.36071/clivar.rp.4-1.2019

Full Report: doi: 10.36071/clivar.rp.4.2019