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Energy Efficiency and RETScreen Version 4. NASA Derived and Validated Climate Data For RETScreen Use: Description and Access. Paul Stackhouse NASA Langley Research Center Charles Whitlock, Bill Chandler, Jim Hoell, Dave Westberg, and Taiping Zhang Science Systems Analysis, Inc.
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Energy Efficiency and RETScreen Version 4 NASA Derived and Validated Climate Data For RETScreen Use: Description and Access Paul Stackhouse NASA Langley Research Center Charles Whitlock, Bill Chandler, Jim Hoell, Dave Westberg, and Taiping Zhang Science Systems Analysis, Inc.
NASA Strategic Goals and Applied Sciences • NASA Strategic Goal 3: Develop a balanced overall program of science, exploration, and aeronautics …. • NASA Sub-goal 3A: Study Earth from space to advance scientific understanding and meetsocietal needs. • NASA’s Earth science program: • develop a scientific understanding of Earth’s system and its response to natural or human-induced changes • to improve prediction of climate, weather, and natural hazards • partner for global modeling and assimilation of observations for science and applications • NASA’s Earth Applied Sciences program: • benchmark NASA research results into policy and management decision-support tools • support tools vital for the Nation’s environment, economy, safety, and security. NASA Langley Research Center
Researching Science Questions • How is the global Earth system changing? • What are the primary forcings of the Earth system? • How does the Earth system respond to natural and human-induced changes? • What are the consequences of changes inthe Earth system for human civilization? • How well can we predict future changes to the Earth system? Water Cycle Energy Cycle NASA Langley Research Center
NASA Observing Spacecraft for Earth System Research 4 NASA Langley Research Center
Earth System Science Models for Research and Applications Suites of Earth System Science Models NASA Langley Research Center
NASA Applied Science:POWER Project • Prediction of Worldwide Energy Resource • Objective: Improve the Nation’s public and private capability for integrating environmental data into sound management of energy production and energy efficiency systems. • Goals: • Establish partnerships to facilitate the integration and adaptation of NASA satellite analysis and modeling data into electric power industry Decision Support System’s (DSS) and databases. • Target such datasets for Electric Power, Renewable Energy, Energy-Efficient Building Design and Biomass Crop Development Industries • Transition operational capabilities to government and/or private sector entities. 6 NASA Langley Research Center
POWER Historical Data Sets Applied Science Outcome Earth Science Research SSE NASA Satellite Measurements, Analysis and Modeling SSE Web Site http://eosweb.larc.nasa.gov/sse/ > 200 solar and meteorology parameters; averaged from 23 years of data Terra Aqua SRB GMAO Growing over the last 8 years to nearly 30,000 users, 7.5 million hits and 1.4 million data downloads NASA Langley Research Center
NASA Parameters For RETScreen • Partner Requested Data from NASA: • RETScreen (NRCan/CETC) • SWERA (UNEP GRID/ • USGS, NREL) • MiniCAM (PNNL) • etc NASA Langley Research Center
RETScreen’s Use of POWER Climate Data RETScreen Climate Database • NASA directly delivered data used for Database • Surface measurements for cities from RETScreen (red dots) • NASA data used when surface measurements unavailable (blue dots) NASA data In Situ data • Data for locations between points are provided through a direct link to NASA SSE. NASA Langley Research Center
Retrieving NASA ParametersSSE Release 6.0 NASA Langley Research Center
NASA Data Project Improvements • Meteorological Products • Improved Atmospheric model and assimilation system • Surface parameters computed at doubled the spatial resolution • Improved validation relative to US/NOAA National Climate Data Center; observations matched in time and space • Solar Energy products • Improved solar energy algorithms including total, direct and diffuse irradiance and related products • Improved validation using longer records of more accurate surface measurements • Improved SSE Data Interface • SSE retrieved data sets now include enhanced parameter sets • SSE Release 6.0 include regional and daily averaged data sets NASA Langley Research Center
Overall Accuracy of NASA:Supplied Parameters Monthly Averaged Assessment Statistics () = 60o N - 60o S; na = not applicable; nya = not yet available NASA Langley Research Center
Example Parameters from NASA:Solar Radiation Times Series NASA Langley Research Center
Example Parameters from NASA:All-sky Direct Normal Surface Irradiance NASA Langley Research Center
Example Parameters from NASA: Heating Degree-Days (10-meter) NASA Langley Research Center
Example Parameters from NASA:Cooling Degree-Days (10-meter) NASA Langley Research Center
Example Parameters from NASA:Relative Humidity (10-meter) NASA Langley Research Center
Example Parameters from NASA:Earth Skin Temperature NASA Langley Research Center
Decade to Decade Changes:Solar Radiation Changes 1 2 3 NASA Langley Research Center
Decade to Decade Changes:Air Temperature Changes (10-meter) 1 2 3 NASA Langley Research Center
Decade to Decade Changes:Cooling Degree Day Changes (10-meter) 1 2 3 NASA Langley Research Center
Summary and Conclusions • NASA’s Earth Science Program is aimed atanswering critical questions involving the Earth-Atmosphere system using improved satellite analysis and earth systems science modeling • NASA’s Applied Science Program is aimed attransitioning this information to respond to societal and industrial needs • NASA’s POWER project has demonstrated the potential impact of this information through our continued partnership with RETScreen • The latest release of RETScreen combines it’s advanced capabilities for clean energy projects worldwide with the progress of NASA’s research. • NASA data sets now provide: • 23 years of global parameters required by RETScreen • More comprehensive validation for parameter estimates • Upcoming SSE release to make time series and regional data obtainable NASA Langley Research Center