Past Webinars

14 Jan 2022
The webinar gives an overview of the History of Methane and CO2 Mapping with AVIRIS. It's an interesting story showing what can be done with high SNR imaging spectrometers working comparatively coarse spectral resolution.
10 Dec 2021
In this lecture, Dr. Qian will provide an introduction to optical payloads in space missions. He will briefly describe six kinds of optical payloads, including hyperspectral imagers, multispectral imagers, Fourier transform spectrometers, lidar and active sensors, radiometers and spectrometers, and other type optical sensors.
07 Dec 2021
Hear from experts across academia and industry that are working to monitor and mitigate greenhouse gas emissions. We will discuss the unique domain of remote sensing of methane emissions, it's challenges and limitations, and how we need to work together to push mitigation forward.
03 Dec 2021
Synthetic Aperture Radar remote sensing has become a game changer in monitoring our planet at high spatial and temporal resolution. Because of cloud penetration of microwaves, ground observations at every SAR satellite overpass are nearly always available. This provides new insights into planetary change from novel temporal and spatial SAR signatures of natural and man-made targets. Mature SAR processing pipelines lead to Analysis Read Data (ARD) that can be coupled with modern tools to visualize and analyze these high-dimensional remote sensing data sets. Examples from a Global Coherence and Backscatter Data set and SAR Time Series Backscatter visualization are provided.
10 Nov 2021
In this presentation, analysis of data the first three years of ROHP operations are presented. The ROHP calibration has been performed using data co-located with independent information from the NASA/JAXA Global Precipitation Mission (GPM) precipitation products and ionospheric activity. For a PRO observation, the induced cross polarization represents a cumulative effect from aspherical hydrometeors encountered anywhere along the propagation path. Analysis of ROHP data exhibit not only depolarization from the liquid phase (oblate-shaped rain) precipitation hydrometeors, but also positive differential phase signatures into and well above the freezing level, indicating possible sensitivity to frozen hydrometeors and the cloud vertical structure. These findings suggest the use of PRO data for evaluating of the representation of convection precipitation and moisture in global weather and climate models.
09 Nov 2021
Continuous monitoring of the wind over vast ocean areas by airborne and satellite microwave scatterometers and reflectometers is essential for weather forecasting. The basic idea of the techniques relies on the assumption that the ocean surface normalized radar cross section (NRCS) (for both mono-and bi-static geometries) is correlated with the local surface wind vector.
25 Oct 2021
In this presentation, analysis of data the first three years of ROHP operations are presented. The ROHP calibration has been performed using data co-located with independent information from the NASA/JAXA Global Precipitation Mission (GPM) precipitation products and ionospheric activity. For a PRO observation, the induced cross polarization represents a cumulative effect from aspherical hydrometeors encountered anywhere along the propagation path. Analysis of ROHP data exhibit not only depolarization from the liquid phase (oblate-shaped rain) precipitation hydrometeors, but also positive differential phase signatures into and well above the freezing level, indicating possible sensitivity to frozen hydrometeors and the cloud vertical structure. These findings suggest the use of PRO data for evaluating of the representation of convection precipitation and moisture in global weather and climate models.
21 Oct 2021
Artificial Intelligence (AI) for Earth Observation (EO) is largely an interdisciplinary field. The lecture presents selected topics of AI algorithms specific for EO encompassing: orbit, mission, sensor networks, intelligent agents, communication, coding, signal processing, machine learning, deep learning, data indexing, data bases, network theories, simulation, modeling, inverse problem, model assimilation, or parameters retrieval.
08 Oct 2021
This webinar will present an overview of NASA's Earth science data system and its shift from supporting Open data to Open science. The webinar will also provide examples of activities and tool development currently underway that support this shift to Open science.
  • Artboard 1 Technical Committees
  • Artboard 1 Webinars
  • Artboard 1 Publications
  • Artboard 1 Chapters
  • Artboard 1 Opportunities