https://ntrs.nasa.gov/search.jsp?R=20170004003 2018-04-10T09:40:26+00:00Z 4/18/2017 Outlines The Diverse Data, User Driven Services Data Products at GES DISC and • Overview of remote sensing and model data at the Power of Giovanni at NASA GES DISC GES DISC • Satellite Observation • Overview of data services at GES DISC • Model Outputs – Registration with NASA data system • Earth System Data Records (ESDR) – Searching and downloading data Suhung Shen • Giovanni: online data exploration tool NASA Goddard Earth Sciences Data and • NASA Earth Data and Information System Information Services Center 04/19/2017 UMCP seminar 2 04/19/2017 UMCP seminar 3 Viewing Aerosol Data on California’s Wildfire Hurricane Sandy Precipitation from TRMM Satellite Data at GES DISC 23-27 October 2007 Data from NASA’s Aura OMI (Tropospheric NO 2 , UV Aerosol Index and aerosol • AIRS (2002.08 – 2016.09): temperature, pressure, humidity, extinction optical depth), Aqua AIRS (Total Column CO), and Terra MODIS (aerosol geopotential height, … optical depth 550nm - deep blue) • TRMM (1997.12 – 2015.06 ): precipitation UV Aerosol • GPM ( 2014.03 - ): precipitation Total Index Column CO • TOMS (1978 – 2011): ozone • AURA (OMI, MLS, HIRDLS, 2004.10 - ): ozone, aerosols, NO2, SO2, water vapor OMI AIRS • AIRS (2002.08 – 2016.09): CO, CO2, CH4, … • ACOS( 2009.04 - 2013.05): CO2 Tropospheric A OD AO D • OCO-2 (2014-present): CO2 NO 2 Accumulated precipitation • UARS (1991-2005): upper atmospheric trace gases, … for Oct 22-30 2012 • SORCE (2003-2011): Solar Irradiance MODIS-T OMI OMI 04/19/2017 UMCP seminar 4 04/19/2017 UMCP seminar 5 04/19/2017 UMCP seminar 6 Example of Gaps in Satellite Data Greenhouse Gases Model Data at GES DISC • MERRA (1979-2015): atmosphere reanalysis • MERRA-2 (1980 – present): atmosphere reanalysis •GLDAS(1979- present): Global land data assimilation •NLDAS(1979 - present): North American land data assimilation •NOBM (1998-2007): Ocean biogeochemical Assimilation Model 04/19/2017 UMCP seminar 7 04/19/2017 UMCP seminar 8 04/19/2017 UMCP seminar 9 1
4/18/2017 Products from MEaSUREs: ESDR An ESDR (Earth System Data Records) is defined as a unified and coherent set of observations of a given parameter of the Earth system, which is optimized to meet specific requirements for addressing science questions. Reprocessing and Goddard Satellite-based Surface Turbulent Fluxes (GSSTF) Data Set for Global Water and Energy Cycle Research (1987-2008) Creating a Long Term Multi-Sensor Ozone Data Record (1970-2014) Consistent Long-Term Aerosol Data Records over Land and Ocean from SeaWIFS (1979-2010) Global Ozone Chemistry and Related trace gas Data Records for the Stratosphere (1979-2012) Earth Surface and Atmosphere Reflectivity Since 1979 from Multiple Satellites (TOMS, SBUV , SBUV-2, OMI, SeaWIFS, NPP, and NPOESS) (1978-2012) A Multi-Sensor Water Vapor Climate Data Record Using Cloud Classification (2006- 2012) Multi-Decadal Sulfur Dioxide Climatology from Satellite Instruments Globally Merged, Reconciled and Gridded Observations of Near-Surface Atmospheric M2T1NXAER.5.12.4:SO2CMASS and Land Surface Properties 04/19/2017 UMCP seminar 11 04/19/2017 UMCP seminar 12 NASA Data Centers Past (36) Earth Science Missions https://science.nasa.gov Operating (28) Register with • Over view of data services at GES DISC Future (24) Earthdata system – Registration with NASA data system Data are free, most data are – Searching and downloading data unrestricted Data citation is encouraged Total 12 Data Centers Courtesy: https://earthdata.nasa.gov 04/19/2017 UMCP seminar 13 04/19/2017 UMCP seminar 14 04/19/2017 UMCP seminar 15 NASA GES DISC New Portal Registration to NASA Data System Data Services at GES DISC Data downloading Services: https://urs.earthdata.nasa.gov/ HTTPS : Direct access Data Search System : Search and download Register with Earthdata system Data Subsetter: parameter and spatial subsetter Add data access applications, e.g. “ NASA GESDISC DATA Visualization Services: ARCHIVE” Giovanni : Online Data Visualization and Analysis Interoperable Services: OP e NDAP : Open-source Project for a Network Data Access Protocol GDS : GrADS Data Server OGC /WMS : Open Geospatial Consortium /Web Map Service Online Helps: FAQ: short description of frequently asked questions Data How-To: (Recipes) Detailed examples on How to access and work with data 04/19/2017 UMCP seminar 18 04/19/2017 UMCP seminar 16 04/19/2017 UMCP seminar 17 2
4/18/2017 NASA GES DISC New Portal NASA GES DISC New Portal NASA GES DISC New Portal • Login Keywords Search Document • Feedback Search Data Spatial and • Twitter temporal Sorting Columns • Youtube Range Aerosol Optical Narrow down the search Browse Data by Category Depth/Thickness 04/19/2017 UMCP seminar 19 04/19/2017 UMCP seminar 20 04/19/2017 UMCP seminar 21 Product Landing Page Data How-To (formally data recipes) Data Citation and DOI 04/19/2017 UMCP seminar 22 04/19/2017 UMCP seminar 23 04/19/2017 UMCP seminar 24 https://giovanni.gsfc.nasa.gov Geospatial Interactive Online Visualization ANd aNalysis Infrastructure (Giovanni) https://giovanni.gsfc.nasa.gov With a few mouse clicks, obtain information easily • Giovanni: online data exploration tool on the atmosphere, ocean and land around the world. No need to learn data formats to retrieve & process data. Try various parameter combinations measured by Navigation different instruments. All the statistical analyses are done via a regular Web browser. 04/19/2017 UMCP seminar 25 3
4/18/2017 Giovanni Features NLDAS Reveals Soil Moisture Change with Giovanni Signatures of Hurricane Sandy from Giovanni Tropical Storm Lee , Sep 2011 2012 October 27-29 Single Parameter : Multi-parameters: •Lat–Lon map of time-averaged data • Scatter plots with regression statistics Precipitation Cloud • Time-series of area-averaged data • Temporal correlation maps Fraction • Lat–Lon map overlain with 2 nd parameter • Hovmöller diagram/cross section map contour plot • Histogram • Time-series differences • Vertical profile, cross-section map • Lat–Lon map differences TRMM AIRS • Zonal mean Precipitation Soil Moisture • Regridding (for different spatial resolutions) • Animations of Lat–Lon map over time 2011.09.02-09 2011.09.02-09 Cloud Top • Climatology & Anomaly analysis Total Ozone Cloud Top Temperature Pressure Accumulated rainfall exceeding 10 inches (254 mm), over Output Features: Pennsylvania areas •Data: ASCII, netCDF; AIRS OMI AIRS •Image: PNG, Geotiff, and KMZ Hurricane Sandy, know as Frankenstorm, 2012.10. 24-31, estimated total damage is more $50 billion •Provides WMS and WCS to other Web servers to get maps or data from Giovanni 04/19/2017 UMCP seminar 29 04/19/2017 UMCP seminar 30 SeaWiFS Deep Blue Aerosols during View MERRA-2 SO2 Profile with Giovanni View AIRS Temperature Profile with Giovanni California’s Wildfire with Giovanni On 1991.06.30 After Volcano Mt Pinatubo Cross Section averaged for 30 o N-34 o N Level 3 Daily Aerosols Springtime heating of atmosphere above Tibetan Plateau associated with Monsoon onset 21-27 October 2007 March May O ther AIRS data: Water vapor, Geopotential height, pressure, OLR, CH4, CO, CO2, etc. 04/19/2017 UMCP seminar 31 Example: Comprehensive Multi-Sensor Data Correlations of Daily MODIS Terra and Aqua Aerosols Inter-comparisons of Aerosols Environment for Aerosol Studies Collection-5 April 1-30 2005 averaged daily aerosols from MODIS, MISR, OMI, and Missions Instruments Models Ground-based SeaWiFS at 550 nm, and OMI at 500nm AERONET Terra MISR MERRA-2 MODIS Aqua MODIS-T MISR OMI OrbView-2 SeaWiFS US EPA Aura OMI PM 2.5 MODIS-A MODIS-A DeepBlue SeaWiFS-DeepBlue (DataFed) Polder Parasol CALIPSO CALIOP …. … 04/19/2017 UMCP seminar 35 04/19/2017 UMCP seminar 36 4
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