Kebede, Abiy S.Nicholls, Robert J.Allan, AndrewArto, IñakiCazcarro, IgnacioFernandes, Jose A.Hill, Chris T.Hutton, Craig W.Kay, SusanLázár, Attila N.Macadam, IanPalmer, MatthewSuckall, NatalieTompkins, Emma L.Vincent, KatharineWhitehead, Paul W.2021-03-052021-03-052018-09-01http://hdl.handle.net/10625/59722The paper highlights the importance of multi-scale (top-down/ bottom-up) and participatory scenario methods for addressing uncertainty in adaptation decision-making. The framework facilitates improved integrated assessments of potential impacts for plausible adaptation policy choices, including migration. It considers four distinct policy trajectories: Minimum intervention; Economic capacity expansion; System efficiency enhancement; and System restructuring. The paper responds to the IPCC Fifth Assessment Report (IPCC-AR5). The article includes an extensive bibliography of references.application/pdfenDOWNSCALINGIPCCSCENARIOSCLIMATE CHANGE ADAPTATIONCLIMATE CHANGE POLICYINTEGRATED APPROACHDECISION MAKINGRIVER BASINSDELTASSOUTH ASIAJournal Article (peer-reviewed)