NOAA/ NASA Joint Call for Proposals addressing science issues in the GEWEX Continental-Scale International Project (GCIP) and Interdisciplinary Studies in the Global Energy and Water Cycle Experiment (GEWEX) Continental Experiments context. Letters of Intent Due April 30, 1997 Proposals Due May 30, 1997 Issued as an amendment to the Program Announcement for the National Oceanic and Atmospheric Administration Climate and Global Change Program FY 1997 in the Program area for the Global Energy and Water Cycle Experiment (GEWEX) Program Authority: 49 U.S.C. 44720; 33 U.S.C. 883d, 883e; 15 U.S.C. 2904; 15 U.S.C. 2931 et seq. (CFDA No. 11.431) - CLIMATE AND ATMOSPHERIC RESEARCH NOAA Office of Global Programs Silver Spring, MD 20910 and Mission to Planet Earth National Aeronautics and Space Administration Washington, DC 20546 INTRODUCTION: NOAA and NASA are pleased to announce a joint initiative to address priority problems in the GEWEX Continental-scale International Project (GCIP) as well as in establishing intra-continental-scale links within the Global Energy and Water Cycle Experiment (GEWEX) . This call is aimed at fostering work that supports the objectives of GEWEX with the prime focus on the GCIP activity in the Mississippi River Basin. NASA is also interested in addressing issues associated with moving from individual continental-scale experiments toward a global synthesis of the continental scale approaches. Together, NOAA and NASA are planning to fund approximately 25 proposals from this announcement. Proposals for 3 years duration (or less) are being invited. Proposals are solicited for two categories of research, namely: 1) Proposals that focus on the designated areas of the Mississippi River Basin (approximately 15 proposals will be funded in this category). 2) Proposals directed toward interdisciplinary studies with an emphasis on continental-scale land-atmosphere interaction in the GEWEX (or global, not restricted to Mississippi) context (approximately 10 proposals will be funded in this category). The GEWEX Continental-scale International Project (GCIP) is a multi-scale hydrometeorological project which focuses on the Mississippi River Basin. The first phase of the project extends from 1995 to 2000. The strategic mission for GCIP is to demonstrate skill in predicting changes in water resources on time scales up to seasonal, annual and interannual as an integral part of a climate prediction system. Projects that are likely to receive favorable attention are those which address the inclusion of satellite data into the GCIP program and those which bring innovative approaches to advance issues currently being addressed and to identified gaps in the current program. To date, GCIP's successes have included: 1) the determination of the limitations in different data sources that will be useful in closing regional water balances; (2) the development of models that provide improved representation of land- atmosphere interactions in coupled models; (3) the implementation of initiatives that effectively deal with the collection, access and processing of in-situ data describing the land-surface characteristics, and (4) the implementation of a system for producing, archiving and distributing daily high resolution data assimilation outputs from three regional mesoscale models for the period 1996 to 2000. GCIP is also seeking projects that advance the new scientific areas identified in its Implementation Plan (IGPO, 1994) and its Major Activities Plan for 1997,1998 and Outlook for 1999 (IGPO Publication Series No. 25). The GCIP strategy has involved an overall focus on different regions within the basin as different processes are studied. To date, research has been concentrated on warm season hydrometeorological processes in the Southwest region of the Mississippi Basin using in-situ data. Within the three year time frame covered by this call GCIP will be encouraging new initiatives related to cold season processes in the North Central part of the basin, and new initiatives for the Eastern part of the basin where vegetation, orography and runoff are important aspects of the physical climate system. Projects leading to the implementation of a substantial program in the Northwestern part of the basin will also be considered. As indicated below, this call welcomes proposals for studies of the basin as a whole as well as research studies using the extensive data sets that have already been developed for the Southwest. Successful new GCIP initiatives will contribute to meeting one or more of its five objectives namely understanding energy and water budgets at different scales; coupled land-atmosphere modeling, the preparation, validation and use of data assimilation products; the strengthening of GCIP data facilities through data collection and data management activities; and the application of GCIP models and understanding to the water resource management community. These objectives are described in the following paragraphs. Several issues are not explicit in the following objectives but permeate many aspects of GCIP. These include scaling issues and the question of the transferability of results from one region to another. Scaling affects the ability to interpret field data measured locally in the context of conditions over a range of spatial scales and the transfer of model physics from high resolution mesoscale models to low resolution climate models. Also included are the issues of techniques for rainfall disaggregation that make use of either climatological or instantaneous satellite data for hydrological applications. It also affects scale mismatches in time and space that exist between atmospheric and basin scale hydrologic models. The transferability of model results from one climate regime to another is important both for studies within the Mississippi River Basin and for making the results of GCIP more universally applicable within the GEWEX program. GCIP is one of five continental-scale experiments being carried out under the auspices of the Global and Energy Water Cycle Experiment (GEWEX). Consequently, it is important for GCIP to ensure that its results can be transferred to other parts of the world. GCIP plans to make more extensive use of remotely sensed data for this purpose as it develops links with other continental-scale experiments where data are sparse. WATER AND ENERGY BUDGETS A key objective of the GCIP program is to determine and explain the seasonal, annual, interannual and spatial variability of water and energy cycles in the Mississippi River Basin. Research addressing this objective has focused on the water cycle in the Mississippi River Basin on different spatial and temporal scales based on the use of conventional radiosonde data and the outputs from both regional and global scale models. It is clear from these studies that models and observations will have to be used in combination to specify energy and water budgets with the level of accuracy needed to provide model validation data sets. In addition, research on specific water budget components is needed to improve their estimates in certain regions and seasons. COUPLED LAND-ATMOSPHERE MODELS GCIP research continues to contribute to the convergence of distributed hydrological models and land-surface schemes, and has led to improved representations of hydrologic and vegetative processes in models. A 1996 coupled modeling workshop report (Shuttleworth, 1996) details three areas where further development work is needed to improve these models. Research opportunities include the better representation of the following processes in coupled models; 1) precipitation, its sub grid scale variability and its distribution over time and space; 2) the effects of evolving soil moisture fields, and 3) the phenology of the annual cycle of vegetation and its spatial and interannual variability. DATA ASSIMILATION GCIP also develops and evaluates atmospheric, land and coupled data assimilation schemes that incorporate both remote and in-situ observations. GCIP already has an extensive data assimilation model output data set available with outputs from three operational mesoscale models beginning in May 1996. Initiatives are needed to assess the outputs of these models and to determine the extent to which other types of measurements (particularly satellite measurements) could be used to improve them. DATA ACQUISITION AND MANAGEMENT Although GCIP has undertaken the limited collection of special data sets to support process and model validation studies, generally the project has relied upon existing data sets. New data-related initiatives will need to have a strong scientific component and lead to advances such as the development of algorithms to provide GCIP-related land-surface information, precipitation and streamflow characteristics. WATER RESOURCE APPLICATIONS This area of opportunity is an emerging priority for GCIP. Advances are needed in the application of coupled atmospheric-hydrologic models and the assessment of the utility of climate forecasts in water resource management. Proposals for demonstration projects showing how water resource managers can benefit by utilizing GCIP models, remote sensing data and climate predictions are encouraged. GCIP is particularly interested in supporting proposals that offer opportunities for demonstration projects showing the value of assimilated in-situ and satellite data products and models in an operational water resource management setting. REMOTE SENSING EMPHASIS Satellite remote sensing as well as aircraft and surface based remote sensing applications need to be strengthened in GCIP, especially as enhanced observing periods occur in the more data sparse regions of the Mississippi River Basin. Such contributions are particularly important for determining and explaining the temporal (seasonal to interannual) and spatial variability of the energy and water cycles in the Mississippi River Basin, and in developing and evaluating coupled land surface/atmospheric models at resolutions appropriate to large scale continental basins. The potential contributions of remote sensing techniques as a means to initially transfer results from data rich parts of the Mississippi River Basin to data sparse areas within the Basin and eventually from the Mississippi River Basin to other parts of the world should be explored. Recognition of the potential for the next generation satellite remote sensing data (e.g. Data from the Earth Observing System AM Platform, the New Millennium Program and the Earth System Science Pathfinder Program) in combination with existing satellite remote sensing data bases is encouraged. RESEARCH TOPICS COVERED IN THIS CALL Research resulting from this announcement will accelerate the development of climate prediction techniques within the context of an "end-to-end" GEWEX program in general, and GCIP specifically. GCIP will continue to focus on the development of improved coupled land-atmosphere modules for use in climate models; a better understanding and quantitative description of energy and water cycles for the Mississippi River Basin at all appropriate time and space scales; the development of improved data assimilation system outputs and better interpretations of climate predictions for water resource management applications. Since most prediction systems fail to perform optimally due to inadequate representations of important physical processes, studies that examine individual hydroclimatological processes are needed. Specific gaps that need to be addressed within this call include the incorporation of cold season processes into land-surface schemes, improvements to coupled modeling through the better representation of land-surface characteristics, interactive nested regional and global models and improved hydrological models. Central to this announcement are GCIP plans to address these priorities in the context of the planned studies of selected portions of the basin as outlined in the latest GCIP Major Activities Plan (Leese, 1996). In addition, GCIP retains an interest in modeling warm season precipitation, particularly in conjunction with the Pan-American Climate Studies (PACS) Program. This announcement also solicits investigations that focus on using coupled land atmosphere hydrological models and remote sensing observations to address intra continental-scale scientific objectives towards the ultimate goal of developing coupled global hydrological models that properly represent land-surface hydrological processes and land-atmosphere interactions. In addition to the traditional GCIP approaches carried out in the past, this announcement encourages new initiatives addressing aspects of the atmospheric and surface energy budgets through the use of remote sensing data. The development of techniques for blending remote sensing data with conventional data to produce best estimates of the spatial and temporal distributions of precipitation, soil moisture and vegetation and other surface hydrology components are of particular importance for determining fluxes of water in the atmosphere and in the regional hydrology. The development of techniques and algorithms for use in the derivation of parameters describing land-surface conditions from satellite data, and the development of procedures for extending them from data rich to data sparse areas are also encouraged. GCIP would benefit from projects involving the use of satellite data for model initialization and validation and the development of interactive nested models to link regional and global scale models on weather and climate time scales. Techniques for assimilating satellite data into regional models are also of interest. This call also encourages projects that use remote sensing data to enhance the contributions of coupled regional hydrometeorological models to water resource planning and management, as well as to establish links between regional and existing global models which can then be used to address issues such as inter-annual variability and regional water resource assessments. HOW TO APPLY: Those interested in submitting proposals to this call are encouraged to submit a letter of intent to Rick Lawford, GCIP Project Office, Office of Global Programs, National Oceanic and Atmospheric Administration, Suite 1225, 1100 Wayne Ave., Silver Spring, MD 20910. The letter of intent should clearly state at the outset whether the proposal addresses Category 1 or Category 2. This letter should be no more than two pages in length . It should give the proposed title; describe the project that will be proposed, including the scientific goals of the research, and the strategy, and address how the proposal relates to the priorities and goals outlined in the preceding paragraphs. It is requested that the letter of intent reach the GCIP Project office no later than 30 April 1997. Facsimile and electronic mail are acceptable for letters of intent and will receive a response indicating that a full proposal is encouraged or not encouraged. Full proposals that address Category 1 (Proposals that focus on the designated areas of the Mississippi River Basin) must be received at the GCIP Project office not later than close of business on 30 May 1997. These proposals will follow the guidelines set out in the FY97 NOAA Climate and Global Change Program Announcement. Full proposals that address Category 2 (Proposals which are directed toward interdisciplinary studies with emphasis on continental-scale land-atmosphere interaction in the GEWEX context, global - not restricted to the Mississippi Basin) must be received at NASA not later than the close of business on 30 May 1997. Details on the requirements for submission of proposals to NASA can be found on the Internet at "http://www.hq.nasa.gov/office/mtpe/" under the MTPE Research Announcements Section. Questions regarding this announcement can be directed to either Rick Lawford, GCIP Project Manager, Office of Global Programs, National Oceanic and Atmospheric Administration, 1100 Wayne Ave., Silver Spring, MD 20910 Tel. (301) 427 2089 Ext. 40; Fax: (301) 427-2222 or lawford@ogp.noaa.gov. or Dr. James Arnold, Science Division, Mission to Planet Earth, NASA Headquarters, Code YS, 300 E. Street SW, Washington DC, USA 20546, Tel 202 358 0540; Fax 202 358 2770 or jim.arnold@hq.nasa.gov. References: GCIP Studies in the Large Scale Study Area (LSA) East (1997-98) http://wwwghcc.msfc.nasa.gov/gcip/ International GEWEX Project Office, 1994: Implementation Plan for the GEWEX Continental-scale International Project (GCIP), Vol.II, Research. International Project Office, Washington, DC. Leese, J., 1996: Major Activities Plan for 1997,1998, and Outlook for 1999 for the GEWEX Continental-Scale International Project (GCIP), Part 1, Research, IGPO Publication Series No. 25, Silver Spring, MD. Shuttleworth, J. 1996. GCIP Coupled Modeling Workshop, IGPO publication Series No. 23, Silver Spring, MD, 20 pp. Plus App.