1 An InnovationLabs Collaborative Session. 2 Session Overview On August 3 rd and 4 th, 2004, representatives from NASA, NOAA, the Department of Energy.

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Presentation transcript:

1 An InnovationLabs Collaborative Session

2 Session Overview On August 3 rd and 4 th, 2004, representatives from NASA, NOAA, the Department of Energy and a variety of researchers and scientists gathered in San Diego to explore the role that Unmanned Aerospace Vehicles (UAVs) will play in measuring and modeling global climate change and follow-on long term monitoring. This collaboration represents the beginning of a new relationship between these agencies and the scientific community. The session began with a series of presentations about the program objectives of the three agencies, about the requirements for a research program, and about the current state of UAV capabilities. The group then divided into teams to identify scientific goals and observation requirements in each of four areas: Climate, Atmospheric Observations, Global Observations, and Ocean & Land Surface. (All of these areas are presented in the following pages.) To illustrate the next steps in further developing these areas, the group concentrated on three topics: Carbon Fluxes, Climate Profiles, and - to illustrate the synergy between climate research and other topics with high societal benefit - High Impact Events. These three areas were sub-topics in the initial climate areas. Summary illustrations of each of these topic areas are included in the final section of this presentation.

3 Summary Illustration – The Role of UAVs

4 Benefits of UAVs The participants in the workshop identified several key advantages that UAV-based observation platforms offer over satellites or piloted aircraft. Advantages associated with suborbital (UAV and piloted aircraft) observation systems High accuracy of measurements Atmospheric in situ measurements High sensitivity of in situ measurements Multiple variables with accuracy & flexibility High altitude or low & slow Parcel tracking at sub-sonic speeds Reduced antenna/power requirements for high-bandwidth data communication Advantages associated with UAV observation systems Long-duration flights Remote locations Lower consequences of loss (vs. pilots and satellites) Dangerous locations Dangerous flying conditions Improved performance Repetition capability (pilot burnout) Specialized instruments cannot be used with pilots Hazardous active RF Global vertical resolution & profiling

5 Topic Area - Climate FocusScience GoalBenefit to SocietyObservations RequiredWhy UAVs 1Understand sensitivity of climate to forcings (solar, CO2, Albedo, clouds, aerosols, and H2O) Improve prediction capabilities and our understanding of emerging data to support international and domestic policy decisions Profiles of state and forcings, re: atmosphericHigh resolution In situ measurements over large regions and long duration low and slow risky flight conditions repetition capability 2Determine sources and sinks of CO2 and methane Determine which regions of the world are sources and sinks of carbon as a driver of climate change CO2High sensitivity in situ measurements coupled with long range Methanelow and slow state variables and dynamical tracers in the boundary layer and free troposphere risky flight conditions

6 Topic Area – Atmospheric Observations FocusScience GoalBenefit to SocietyObservations RequiredWhy UAVs 1Role of carbonaceous and other aerosols in global warming, water budgets, sea-ice and glacier melting HabitabilityHigh spatial and temporal resolution observations for studying spatial gradients and vertical profiles with long endurance: routine observations of vertical profiles covering diurnal cycle agriculture (water availability and photosynthesis) physical, chemical and radiative properties of elemental and organic carbon, other aerosols, and air pollution long duration gradients c> hours Health impacts of human population determine emission sources of aerosols parcel tracking at subsonic speeds Precipitation/soil erosionmetaphysical properties of clouds and precipitation high altitude and remote locations for observations energy policyradiative fluxes improvement of aerosol treatment in general circulation models (GCMs) u,v,w and turbulent fluxes

7 Topic Area – Atmospheric Observations FocusScience GoalBenefit to SocietyObservations RequiredWhy UAVs 2Role of water vapor and cloud-radiative feedbacks in climate change of next few decades improved treatment of clouds and H2O in GCMs High spatial and temporal resolution observations of spatial gradients and life cycles of low, mixed- phase, ice clouds and deep convection and their environment routine observations of vertical profiles covering diurnal cycle Attribution of human impact on observed climate change high precision and accuracy H2O from surface to troposphere long duration gradients c> hours Energy policymetaphysical properties (phase, shape, size) of clouds high altitude and remote locations for observations Satellite evaluationmacrophysical properties radiative fluxes turbulent fluxes of u, v, w, q, T physical, chemical and radiative properties of ice nuclei (IN) & cloud condensation nuclei (CCN), including elemental and organic carbon

8 Topic Area – Atmospheric Observations FocusScience GoalBenefit to SocietyObservations RequiredWhy UAVs 3Quantify changes in chemical composition of atmosphere Chemistry effects on radiation balance, including aerosols High spatial and temporal resolution observations of vertical and horizontal gradients of high altitude observations Ozone (O3) as ultraviolet (UV) filter O3, source gases, reactive gases and aerosols, vertical, high-resolution profiles Air qualityturbulent fluxes of u, v, w, q, Tlong-range gradients radiative fluxes Enabling Attributes Adequate range, endurance, payload Affordable Reasonable airspace access Ability to do vertical profiling (near surf to high altitude)

9 Topic Area – Global Observations FocusScience GoalBenefit to SocietyObservations RequiredWhy UAVs 1Improvement of high impact weather forecasts at 1 day to two week lead times Mitigate vulnerability of society, economy and environment to high impact weather Routine and adaptive observations where current in situ profiles are sparse and satellite coverage is limited UAV provides a rapid response platform that has regional to global deployment capability 2Improved observations and prediction of climate variability and change Better climate change detection, attribution, and prediction in support of policy decisions Sustained global high quality all weather profiles of atmospheric composition (aerosol, water vapor, cloud water and trace gases) UAV provides vertically resolved sustained measurements on an affordable global scale from boundary layer to lower stratosphere temperatures and radiation 3Advanced knowledge of critical physical processes involving aerosols, clouds, precipitation, and radiation Improved prediction of societally-relevant aspects of climate and weather Detailed high resolution sampling of aerosols, clouds, precipitation, etc., in support of process- focused field experiments The ability to measure multiple variables with greater accuracy of detail and flexibility

10 Topic Area – Ocean and Land Surface FocusScience GoalBenefit to SocietyObservations RequiredWhy UAVs 1Models and predictions *Climate Change Science Program (CCSP) Priorities Gas fluxes response and feedback Early warning negotiation Info Trace gas fluxes of: CO2 H20 Methane Bromine Sulphur Sulphur compounds Vertical resolution Remote Low level in situ data High spatial res. ~= to 1 meter scale Can operate in all conditions 2Cryosphere response & feedback Early warning negotiation/ info awareness Polar Ice sheet thickness Accumulation rate Surface elevation Sea ice and snow thickness Remote access Repetitive High spatial and temporal resolution Specialized instruments that cannot be operated on piloted aircraft or satellites 3Response and adaptive management Biosphere response Agriculture Economy Ecosystem stability sustainability Visual IR Multi-spectral Hyper-spectral Lidar Soil moisture Fuel biomass & moisture Aerosol and gas measurements -Remote locations -Proximity for detail -Calibration/ground truthing -Repetitive measurements – pilot burnout -Targeted to special events -Real time data needs Fisheries and Coral reefs as indicators of climate change

11 Carbon Fluxes Obstacles FAA Miniaturization (IRGN, GPS-3D, Data Storage or Download) Communication Near Real-Time Packets Data Management & Distribution Data Management Models Cost New Sensors (e.g. Methane, Nitrous Oxide) Duration at low altitude

12 Basic State Climate Profiles Obstacles Communicating the Needs – Funding, Scientists & Public Funding Sustaining Measurements Balancing Regular Monitoring with Flexibility FAA (Certification) & International

13 High Impact Events – Prediction & Mitigation Obstacles FAA – Terrestrial & Flight Corridors Proximity Logistics for Deployments International ATC UAV Ruggedized (all-weather, clouds, precipitation, turbulence, thermal, continuous flights, reliability) Remote deployment operations (runway, consumables, etc.) Advancement of Technology (capabilities, stream- lined operations) Standardization of Payloads & Data Management Public acceptance of UAV Operations Maintainers of the System (who will “own” and operate the system – UAV ops) Frequency Management Lack of Advocacy Group to raise awareness

14 Summary - the Path Forward The Workshop accomplished its objectives… Brought together an outstanding group of scientists and climate change program representatives for valuable discussions Identified a number of key climate change science questions and identified capabilities of UAVs that are well suited to help address those questions Continued to build momentum in the emerging collaboration among NASA, NOAA, and DOE on global climate change research The next steps… The results of the workshop will be captured as a concise document to help explain the scientific basis of the proposed NASA/NOAA/DOE collaboration Additional workshops will be held to address other aspects of future capability requirements such as UAV platform performance and measurement/instrument needs NASA/NOAA/DOE will continue to work toward a collaboration and new initiative in global climate change research