SIBER SPIS sept 2011.pdf - IMBER

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SIBER Science Plan and Implementation Strategy these impacts will increase with time. To fully understand the impacts of variability and change requires a basinwide approach and an integrated end-to-end analysis of IO biogeochemical cycles and ecosystem dynamics. The IO rim countries are, for the most part, developing countries, which means SIBER will provide an important vehicle for capacity building through its activities. Indeed, the success of SIBER is going to depend on the involvement of the rim countries. It has been noted throughout this document that there are a wide range of distinct scientific questions concerning coastal waters, inland seas and the open ocean that the SIBER community needs to address. Ultimately, the goal is to achieve a greatly improved understanding of the large-scale operation of the whole IO basin. However, as this plan articulates, this goal can be best achieved by promoting regional studies (Themes 1-3) and motivating research that addresses key overarching scientific questions (Themes 4-6). The synthesis phase of the program will bring these studies together in order to provide an improved basinwide understanding. While a significant amount of data collection and modeling studies have been undertaken, there are still many gaps in our understanding and vast regions where little or no data have been collected and only a few modeling studies carried out. What is currently lacking is a basinwide, multidisciplinary effort to fill the gaps in our understanding. This forms the central focus of SIBER and the basis for its outputs and legacy. Over the next decade SIBER will work towards determining the major controls on the biogeochemical cycles and ecosystem dynamics of the IO and the potential for feedbacks to the Earth system. Emphasis will be on evaluating and predicting the effects of climate change and other anthropogenic impacts on IO ecosystems. To do this, SIBER’s major focus will be on integrated regional and basinwide analyses that extend from the benthos and coral reefs to the highest trophic levels, and how these impact, and are impacted by, biogeochemical cycles. The main activities will include regional and basinwide: 1) remote sensing studies; 2) modeling studies; and 3) in situ observational and monitoring studies. All these efforts will be aimed at characterizing how physical forcing drives biogeochemical and ecological response in coastal zones, inland seas and the open sea, and at examining long-term, large-scale ecosystem functioning, variability and change. Planning Implementation Final Synthesis SIBER launch 1st SIBER Symposium IIOE 50 th anniversary SIBER Mid-term Symposium, Goa Final SIBER Symposium Development of workshop series and publications 2005 2007 2009 2011 2013 2015 2017 2019 1st SIBER Open Science Conference, Goa SIBER Writing Workshop, Goa Establish SSC and WGs 1st SSC meeting Annual SIBER SSC meetings Development of Science Plan and Implementation Strategy Establish SIBER program office and detailed annual program framework Fi g u r e 26 Timeline for the SIBER program. 74
SIBER Science Plan and Implementation Strategy SIBER is currently building a multidisciplinary network of experts that will grow throughout the program. Through the SSC and WGs, SIBER will convene regular meetings, workshops, scientific sessions and ultimately scientific conferences. A preliminary timeline is shown in Fig. 26. The annual SSC meetings will serve to develop aspects of the work plan for each of the six SIBER themes. Subsequent events will build on these to develop new approaches and to advance the integration process. These events will occur at regular periods as noted in the timeline (Fig. 26). Other activities such as direct research, development of online tools, publications and model development will take place throughout the program and will feed into the workshops and meetings as appropriate. Some of the specific research questions and foci envisaged are listed here as a guide (for further details see the Science Background and Scientific Themes sections in the Science Plan): How are marine biogeochemical cycles and ecosystem processes in the IO influenced by boundary current dynamics For example, what are the ecological and biogeochemical impacts of: ●● Seasonally reversing currents in the northern IO ●● Poleward flowing currents in the southern hemisphere ●● Mesoscale eddies and filaments in the AS and BoB SIBER will seek to motivate studies on the unique boundary current systems in the IO focusing on how they mediate interactions between open ocean and coastal environments. These studies will provide new insights for identifying and understanding fundamental interactions between marine biogeochemical cycles and ecosystems. How do the unique physical dynamics of the equatorial zone of the IO impact ecological processes and biogeochemical cycling Potential core focus areas include: ●● Forcing and response in the Southern Tropical Indian Ocean ●● Seasonal variability in the equatorial zone ●● Intraseasonal variability in the equatorial zone ●● Impacts of the Indian Ocean Dipole SIBER will seek to motivate studies in the equatorial zone of the IO (including the southern tropics and Indonesian Throughflow) that focus on understanding how this highly anomalous and fluctuating physical environment might lead to unique adaptations and/or species complements and how these in turn influence biogeochemical variability in comparison to the other oceanic basins. How do differences in natural and anthropogenic forcing impact the biogeochemical cycles and ecosystem dynamics of the AS and the BoB Potential core focus areas include quantifying differences between the AS and the BoB in terms of: ●● Natural and anthropogenic forcing in the OMZ ●● Export flux variability and impacts ●● Anthropogenic impacts on food web structure and export ●● Role of the marginal seas The overarching question is what controls the mid-water oxygen concentration and how sensitive are these controlling mechanisms to global change SIBER will seek to motivate studies focused on the physical, biogeochemical and ecological contrasts between the AS and 75
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