Presentations
Showing 1 to 24 of 28.
Earthdata Webinar on Harmony Services: Subset, Regrid, and Reproject Data in the Cloud
2025.08.01
Learn how to customize Level-1 and atmospheric datasets prior to download using the new geoloco and subset-band-name tools. These tools are provided in NASA Earthdata Search and help users request only the data that they need in the format desired, saving valuable bandwidth and time. The data provided is analysis-ready for use in the cloud or on local servers. In this previously recorded webinar, software engineer, Christine Brown-Stevenson, demonstrates how to access these tools in Earthdata Search and provides a preview of available scripts for use in Jupyter Notebooks.
Examining Hurricane Milton's Milestones with NASA's GES DISC Datasets
2025.01.29
Learn how to access and use MERRA-2, GPM, TROPICS, and LDAS data provided by NASA's Goddard Earth Sciences Data and Information Services Center (GES DISC) to investigate Hurricane Milton's milestones.
Earthdata Webinar: Introduction to NASA's GEO-LEO Dark Target Aerosol Data Products
2024.06.10
This webinar introduces the Geostationary Earth Orbit (GEO)-Low-Earth Orbit (LEO) Dark Target Aerosol data product suite and shows how to find, access, and download the data.
Earthdata Webinar: LAADS DAAC Transitioning to the Cloud—Overview and Data Access
2023.04.26
Learn about NASA's LAADS DAAC data migration to the cloud and what this means for data users regarding schedule and data access. A live demo of Amazon Simple Storage Service (S3) direct access in the cloud was provided.
Learn How to View and Download Data from LAADS DAAC
2022.04.27
Learn how to search and order datasets from NASA's Level-1 and Atmosphere Archive and Distribution System Distributed Active Archive Center (LAADS DAAC). Subsetting, reprojection, and data output post-processing operations in the Find Data tool were also featured.
Learn How to Access and Acquire NASA Level-1 Data and Atmosphere Products from LAADS DAAC
2021.09.22
Join us for an overview of NASA's LAADS DAAC, its Level-1 and atmospheric data products, and to explore different options to search, discover, and acquire the data.
NASA's Earthdata Forum: Connect to a Growing Body of Expertise
2020.11.18
An introduction to the Earthdata Forum, a hub for submitting your questions about NASA Earth science data, services, and tools and for finding answers on how to discover and use the data distributed by the DAACs represented on the Earthdata Forum.
Gregory G. Leptoukh Online Giovanni Workshop
2019.07.24
Hosted by NASA's Goddard Earth Sciences Data and Information Services Center (GES DISC), the theme for this workshop is “Enhancing Knowledge with Giovanni”.
Satellites, Seabirds and Seals: A thirty year retrospective of Ocean Color from Space
2012.06.27
Dr. Gene Carl Feldman presents Maniac Talk, 'Satellites, Seabirds and Seals: A thirty year retrospective of Ocean Color from Space' on June 27, 2012 at NASA Goddard.
AeroStat: Online Platform for the Statistical Intercomparison of Aerosols
2012.06.12
AeroStat was proposed to address the challenges of intercomparison of aerosol datasets, which include disparities in spatial coverage, spatial consistency, temporal consistency, diurnal coverage and sensitivity to a variety of observing conditions. AeroStat also addresses the challenge of using multiple datasets to get a complete picture of aerosol phenomena, such as dust storms. To these ends, AeroStat provides an online environment for convenient access to: satellite and ground-based aerosol data; quality information and provenance; and Calibration and validation data. It also provides multi-sensor services, including multi-sensor intercomparison, cross-sensor bias assessment and adjustment, and maps of merged Level 2 data. It is linked to a collaborative environment, gSocial for aerosol researchers to share ideas, workflows and results. Aerostat was successfully completed and released to the user community in March 2012 at http://giovanni.gsfc.nasa.gov/aerostat/.
Presented by: Dr. Chris Lynnes
Monitoring Riparian Buffer Zones along the Tar River Basin using EOS Land Products
2011.09.14
Riparian buffer zones are vital to the ecological and biological health of watershed ecosystems. This project focused on a 26,000 km2 region of North Carolina, USA, including the Tar River. We acquired MODIS Collection V005 1.0km retrievals of LST, LAI, and GPP over the Upper Tar River study area and created 30m change detection composites from surface reflectance datasets obtained from the Landsat Ecosystem Disturbance Adaptive Processing System (LEDAPS). Using ENVI and ArcGIS software, we then combined the satellite datasets with the North Carolina streams GIS Layer to monitor changes in the riparian buffer zone over a 10 year period (2000-2010). As a result of this research, which is planned to continue at least through 2013, the citizens of North Carolina will have access to new information and analysis that will provide insights into the state’s ongoing monitoring of the ecological functioning and biodiversity of the Tar River watershed.
Presented by: Jennith Thomas, Terence Goard, Shakeila Jones, and Ryan Wegener of Louisburg College, NC (USA)
Seasonal Influenza Dependency on Environmental and Meteorological Parameters
2011.09.14
Influenza has affected the human race at least since the beginning of the written history. The earliest recorded influenza epidemic appears to be in 412 B.C. by Hippocrates, the Greek physician who is considered the father of western medicine. Influenza appears every year and almost everyone has had influenza one time or another. Although it is the most common disease, influenza inflicts considerable loss of human lives and productivity in societies each year. In each annual influenza epidemic, it is estimated that 5-15% of the populations are infected. For the U.S. alone, the annual economic cost may exceed $167 Billion.
Presented by: Jodi K. Haponski (GSSP Summer Program)
The Many Faces of Giovanni
2011.09.14
Giovanni, the Goddard online visualization and analysis tool, brings together and provides easy ways to analyze data from many space-based sensors, models and ground-based stations. The presentation gives examples of atmospheric, ocean, and land studies along with slides showing interdisciplinary and educational aspects of Giovanni. Short descriptions of multiple projects and partnerships made possible by Giovanni are also presented.
Presented by:Dr. Greg Leptoukh
Giovanni in the Cloud
2011.09.09
Giovanni in the Cloud, by Jane Campino of Embry-Riddle Aeronautical University
Summer Intern Janie Campino presents her project to port the GES DISC Giovanni tool to the NASA Nebula Cloud. Cloud computing has the potential to accommodate the bursty performance requirements of user-demand-driven systems like Giovanni. Despite early termination of access to Nebula, the project was successful in demonstrating the ability to port a complex Web-based system such as Giovanni to Nebula.
Presentation by: Janie Campino
Semantically Bridging Giovanni Data with Visualization
2011.09.09
Summer intern Nick Del Rio presents his VisKo framework, which leverages the semantic web to automate visualization. VisKo can enable a plug and play visualization environment by using detailed descriptions of the data to drive the actual visualization using standard packages such as the Visualization Toolkit. Nick uses Giovanni to provide examples of real-life dataset visualization challenges.
Presented by: Nick Del Rio
Introduction to Office Ergonomics
2011.09.09
Ergonomics (or human factors) is the scientific discipline concerned with the understanding of interactions among humans and other elements of a system, and the profession that applies theory, principles, data and methods to design in order to optimize human well-being and overall system performance. In short, ergonomics is the science of fitting the workplace, furniture, tasks, tools and equipment to the worker.
Presentation by: Mr. Roy Deza
Encouraging and Enabling Software Reuse in Earth Science at NASA
2011.05.05
This talk will provide an introduction to the NASA Earth Science Data Systems Software Reuse Working Group. Its goals and charter will be reviewed, and the types of activities it undertakes summarized. Examples of its major activities and work products over the past few years will be presented, as well as the current plans for future work.
Presentation by: Dr. James Marshall
Working Toward an Earth Science Collaboratory
2011.04.15
We propose the construction of an Earth Science Collaboratory within the Earth science community. It would consist of contributed and provisioned tools, services, data, workflows and experiments. Social networking features would make these contributions and the knowledge about them shareable and transparent, providing a rich data analysis environment for everyone from students to applications to science researchers.
Presentation by: Dr. Chris Lynnes
MODIS Land Product Quality Assessment
2011.03.04
This presentation describes methods employed by the Land Data Operational Product Evaluation (LDOPE) team to assess the quality of MODIS standard science products produced by the MODIS Adaptive Processing System (MODAPS). The methods include examining full resolution browse images and long-term trends of Level 3 ( gridded) products over ten 10 degree x 10 degree tiles situated over regions of the globe that cover representative land cover types and ecosystems. Additional topics in the talk include: the difference between quality assessment and validation of MODIS products; the process of how known issues in product quality are communicated and corrected; the role of the LDOPE team in assessing changes to algorithms before they are approved for use in the production system; and MODIS quality assessment tools developed by LDOPE and made available to the community.
Presentation by: Dr. Sadashiva Devadiga
Ocean Data Processing System (ODPS)
2010.12.07
The ODPS is an automated data system that provides ingest, processing, archive, and distribution functions for legacy, operational, and future remote-sensing satellite missions. ODPS provides a high level of reuse possible for similar missions, i.e., MODIS Aqua/Terra, SeaWiFS, and OCTS are ocean-color missions and have similar product suites, data flows, and processing requirements. The software lifecycle of requirements analysis, rapid-prototype development, and refinement allows new concepts to be quickly developed and adopted for operational use.
Presentation by: Mr. John Wilding
Synthetic GMI Level 1 Data
2010.11.04
Synthetic Data Processing is a part of the quality assurance process for GPM mission success. The overall goal is to guarantee that algorithms and processing systems are correctly implemented at satellite launch. The processing elements include: generation of synthetic coincident brightness temperatures, generation of geo-located and calibrated GMI Level 1 products and adopting mission simulation to generate GMI orbital Tb file.
Presentation by: Dr. Yimin Ji
An overview of the Standards Process Group (SPG)
2010.09.15
The SPG recommends a specification or practice as a standard only if it has been shown to have a demonstrated implementation and a benefit to operation. Ideas come from innovators or mission planners. The review process permits adoption only after 'significant' community endorsement. The SPG is one of the Earth Science Data System Working Groups chartered by NASA HQ to make recommendations about ways to evolved NASA's data systems to improve Management efficiency, decrease costs and to increase system interoperability and data interuse.
Presentation by: Mr. Richard Ullman
Validation of Satellite-Derived Land Products on a Global Scale
2010.06.08
Synopsis: An overview of NASA's involvement in the global validation of land products derived from moderate-resolution, high temporal frequency satellite datasets as well as Decadal Mission validation planning activities is presented. A large portion of this research is conducted through the Land Product Validation (LPV) sub-group of the CEOS (Committee on Earth Observing Satellites), Working Group on Calibration and Validation (WGCV).
Presentation by: Dr Joanne Nightingale
How is Climate Change Affecting Pollination?
2010.05.04
Nectar Flow dates and quality are changing due to climate & land cover/land use changes. This affects our bees. We are developing a network using 'scale hives' and satellite vegetation data, to begin to study impacts of climate change on plant-pollinator interaction phenology, and honey bee health.
Presentation by: Dr. Wayne Esaias
Showing 1 to 24 of 28.