https://ntrs.nasa.gov/search.jsp?R=20160014822 2018-04-10T05:52:42+00:00Z Goddard Earth Sciences Data and Information Services Center (GES DISC) What's NEW at the GES DISC: Evolution of data management and services for Aura mission and beyond Jennifer Wei 1,2 8/30/2013 Acknowledgment: Aura ST, SIPs, ESDIS EMS, GES DISC team 1 NASA GES DISC 2 Adnet Systems Inc. 2016 Aura Science Team Meeting GES – DISC GES – DISC Goddard Earth Sciences Goddard Earth Sciences Data Information Services Center Data Information Services Center
Outline • GES DISC world • Aura data usage and trend • Aura data users requests • GES DISC update (before/after) – New Access method (ftp à http) with Earthdata Login System – New Website (DISC/Mirador à New Interface) – New Giovanni (Giovanni à Now Federated) • GES DISC support beyond Aura Mission – Multi-sensor coincident data subsets – Level 2 support (Subsetter, Visualization) – Data List 8/30/2013 GES – DISC Goddard Earth Sciences Data Information Services Center
The GES DISC ‘World’ Advancing Technology Ingest, Community Driven Process, Earth Data Access Research Archive, Science Capabilities Distribute, Data Steward Earth Science Data (on Earth User, Data, computers Science Applications Science Support optimized for Metadata tasks) Data and Value Added Document- 8/30/2013 Document Products and ation Outreach Preservation Services GES – DISC Goddard Earth Sciences Data Information Services Center
Outline • GES DISC world • Aura data usage and trend • Aura data users requests • GES DISC update (before/after) – New Access method (ftp à http) with Earthdata Login System – New Website (DISC/Mirador à New Interface) – New Giovanni (Giovanni à Now Federated) • GES DISC support beyond Aura Mission – Multi-sensor coincident data subsets – Level 2 support (Subsetter, Visualization) – Data List 8/30/2013 GES – DISC Goddard Earth Sciences Data Information Services Center
Aura Distribution by Instrument Distribution presents the amount of data successfully distributed to user community. Instrument # Files Volume (TB) Mission 18,922 HIRDLS 0.92 MLS 3,420,094 25.34 Aura OMI 11,634,182 164.48 244,550 TES 6.80 User Geographical Distribution 8/30/2013 MLS HIRDLS OMI GES – DISC Goddard Earth Sciences Data Information Services Center
Aura MLS/OMI Data Processing Level Distribution Users Volume Files 8/30/2013 GES – DISC Goddard Earth Sciences Data Information Services Center
Outline • GES DISC world • Aura data usage and trend • Aura data users requests • GES DISC update (before/after) – New Access method (ftp à http) with Earthdata Login System – New Website (DISC/Mirador à New Interface) – New Giovanni (Giovanni à Now Federated) • GES DISC support beyond Aura Mission – Multi-sensor coincident data subsets – Level 2 support (Subsetter, Visualization) – Data List 8/30/2013 GES – DISC Goddard Earth Sciences Data Information Services Center
Help Desk Request from Users 2007 May to 2016 Aug q Find/Access/Download Data Instrument # User Request I do not know how to download … Aura 9 Ø Enhance tools/services/data HIRDLS 7 recipe for better data search, data MLS 53 access, data download OMI 283 Total 352 q Data Subsetting Ø Improve ability and performance of data subsetting tool q Data Reading Ø Keep data reader code updated, more data reading recipes q Documentation and Science Question Parameter unit, vertical layers … Can we use OMI data for ...? Are OMI data better than ...? Ø Enhance metadata and online resources 8/30/2013 q Users help us Ø Users find error in our website and code not working -> we make GES – DISC correction. Goddard Earth Sciences Data Information Services Center
Outline • GES DISC world • Aura data usage and trend • Aura data users requests • GES DISC update (before/after) – New Access method (ftp à http) with Earthdata Login System – New Website (DISC/Mirador à New Interface) – New Giovanni (Giovanni à Now Federated) • GES DISC support beyond Aura Mission – Multi-sensor coincident data subsets – Level 2 support (Subsetter, Visualization) – Data List 8/30/2013 GES – DISC Goddard Earth Sciences Data Information Services Center
Transition to Earthdata Login q GES DISC will replace anonymous FTP with HTTP download on October 3rd, 2016 q We have provided detail in alert message, banner, emails … 8/30/2013 q Problems/Questions to GES DISC Help Desk (gsfc-help-disc@lists.nasa.gov) GES – DISC Goddard Earth Sciences Data Information Services Center
GES DISC New Web Interface 8/30/2013 GES – DISC Goddard Earth Sciences Data Information Services Center
Giovanni: More Data, More Plots, Faster Results 2015 2007 Giovanni (V4) • Flexible infrastructure • One Instance & Giovanni (V3) Modular 2004 • Harmonized • Fully interoperable data & • URL-based Giovanni inventory (prototype, V1/V2) • Data types • Separate • Independent Old Giovanni: New Giovanni: • L3 gridded instances 8/30/2013 instances • L2 swath/profiles • Configurator 40 individual Portals Omnibus Portal (future) GES – DISC • Point data (future) Goddard Earth Sciences Data Information Services Center
Outline • GES DISC world • Aura data usage and trend • Aura data users requests • GES DISC update (before/after) – New Access method (ftp à http) with User Registration System – New Website (Mirador à Unified User Interface) – Giovanni (G3 à Giovanni, open source) • GES DISC support beyond Aura Mission – A Train Data Depot (Multi-sensor coincident data subsets) – Level 2 support (Subsetter, Visualization) – Data List 8/30/2013 GES – DISC Goddard Earth Sciences Data Information Services Center
Multi-Sensor Collocated Subsets Example: A-Train Data Depot (ATDD) Archived On-line A-Train Subsets • New Web http://disc.sci.gsfc.nasa.gov/uui/datasets? keywords=a-train Presentation for Lawrence • http : http://atrain.gesdisc.eosdis.nasa.gov/data/ MODIS/Aqua, Level 1B, radiances Chris: Do you know how to paste Gilberto’s • MAC021 S*:1-km radiances • MAC02Q S*: 250-m radiances sample presentation format into this Google MODIS/Aqua, Level 2, atmospheric products Presentation? • MAC04 S*: Aerosol Optical Depth Land and Ocean, Aerosol Steve: See if this works. (GV) Type over Land, Angstrom Exponent, Mass Concentration, http://disc.sci.gsfc.nasa.gov/uui/datasets?keywords=a-train Fine Mode Fraction • MAC05 S* : Water Vapor IR and near IR retrievals • MAC06 S* : Cloud Top Parameters: Pressure, Temperature, Effective Emissivity, Spectral Forcing, Cloud Phase; Cloud § A-Train Data Depot (ATDD) was supported by NASA Optical Parameters: Cloud Optical Thickness, Effective Particle ACCESS (Advancing Collaborative Connections in Earth Radius; Cirrus Detection: Cirrus Reflectance. • MAC07 S* : Temperature and Moisture (dew point temperature) System Science) program and now is on sustaining profiles. • MAC35 S* : Cloud Mask: IR, NIR, and CO2 tests; Visible test mode. at 250-m. OMI/Aura, Level 2, Cloud Pressure, Ozone, § Started with CloudSat mission support with MODIS- and UV index CloudSat collocated subsets. Building upon the • OMCLDO2_CPR : Cloud effective pressure based on O2-O2 absorption expertise, OMI, POLDER, and AIRS subsets were • OMCLDRR_CPR: Cloud effective pressure based on Raman scattering subsequently added in production, and distributed by • OMTO3_CPR : Column amount O3, UV Aerosol Index, UV reflectivity. ATDD. • OMAERUV_CPR : UV Aerosol Index, Aerosol Absorption Optical Depth, Surface Albedo, UV Reflectivity. § The collocated subsets include MODIS/Aqua L1B and POLDER/Parasol, Level 2, Radiation Budget processing L2 atmospheric products, OMI/Aura L2 products, and • PARASOLRB_CPR : Column Water Vapor, Cloud Pressure from Polder/Parasol L2 products (Table shows detail) O2 lines, Cloud Optical Thickness, Cloud Phase, Cloud Albedo, Clear Albedo. *Available in 200- and 10-km swath widths; The rest are 200-km-wide, (+/-100 km) only.
Multi-Sensor Intercomparison OMPS GOME-2 TROPOMI Footprints of S5P TROPOMI, S- Spectrometer 2 grating 4 grating spectrometers Double monochromator with NPP OMPS, METOP-B spectrometers with with their own optics and pre-disperser prism and four CCD detectors 2-D detectors GOME-2, Aura OMI, and holographic gratings Wavelength(nm) NP: 250-310 Band 1: 240-315 Band 1: 270-300 Envisat Schiamachy NM: 300-380 Band 2: 311-403 Band 2: 300-320 Band 3: 320-405 Spectral 1.0 Band 1: 0.24-0.29 0.5 resolution(nm) Band 2: 0.26-0.28 Source: http://www.tropomi.eu/ Sample 0.41 Band 1: 0.12 Band 1 & 2: 0.065 interval(nm) Band 2: 0.12 Band 3: 0.20 Swath Push broom 110° Across track scanning Push broom 2600km FOV METOP-A: 1920km & 960km (after July 2013) METOP-B: 1920km Spatial NM:50km × 50km METOP-A: 40km × 80km & Band 1: 28x7km Resolution NP:250km × 250km 40km × 40km (after July 2013) Band 2 & 3: 7kmx7km 8/30/2013 METOP-B: 40km × 80km L1B Data Format HDF5 EPS-native format netCDF-4 GES – DISC Goddard Earth Sciences Data Information Services Center
Data Quality Level 2 Visualizer 8/30/2013 GES – DISC Goddard Earth Sciences Data Information Services Center
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