Review of the GAPP Science and Implementation Plan (2005) / Chapter Skim
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33 4 GAPP and Related Programs The statement of task (Appendix A) for this review requires the committee to comment on how the GAPP science and implementation plan (NOAA-NASA 2004)
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34 REVIEW OF THE GAPP SCIENCE AND IMPLEMENTATION PLAN • How can advances in observations, understanding and modeling of oceanatmosphere-land interactions be used to further improve climate predictions on seasonal to decadal time scales? Committee comments: The GAPP program addresses the land-based component of improving climate predictions through observations, understanding, and modeling.
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GAPP AND RELATED PROGRAMS 35 Water Cycle Research Element CCSP Section 5.1 -- What are the mechanisms and processes responsible for the maintenance and variability of the water cycle; are the characteristics of the cycle changing and, if so, to what extent are human activities responsible for those changes? • What are the key mechanisms and processes responsible for maintaining the global water cycle and its variability over space and time scales relevant for climate?
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36 REVIEW OF THE GAPP SCIENCE AND IMPLEMENTATION PLAN • What are the critical hydrological and atmospheric factors present in major flood and drought events that can be isolated, quantified, and incorporated into water cycle prediction methodologies? • What model improvements are needed to assess the changes in seasonality, intensity and variability of high latitude freshwater fluxes (precipitation, evapotranspiration, runoff)
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GAPP AND RELATED PROGRAMS 37 Committee comments: GAPP is strong in activities related to atmosphere and land processes. It is doing groundbreaking work in this area.
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38 REVIEW OF THE GAPP SCIENCE AND IMPLEMENTATION PLAN 2. Determine the geographical and seasonal characteristics of the predictability of key water and energy cycle variables over land areas and through collaborations with the wider WCRP community determine the predictability of energy and water cycles on a global basis.
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GAPP AND RELATED PROGRAMS 39 Water Resources Application Project Given the stated goal of GAPP to "develop application products for resource managers," there is an obvious potential relationship with the WRAP, a working group of the GEWEX Hydrometeorology Panel. WRAP was formed to initiate dialogue with the water resource community on the application of GEWEX products for water resource management and planning.
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40 REVIEW OF THE GAPP SCIENCE AND IMPLEMENTATION PLAN Regional Integrated Science Assessments GAPP has provided support to some projects within the RISA program. This program, funded by the NOAA Office of Global Programs, establishes regional centers with university affiliations that focus on understanding the context of decision making and testing alternative systems for providing climate information for decision support.
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