Dear Colleagues,

Weather and climate shocks (such as droughts, floods, and heat waves) can imperil climate-sensitive agricultural systems in food-insecure regions, threatening the livelihoods and nutritional status of vulnerable populations in these areas. Satellite remote sensing offers an inexpensive, timely solution to monitor conditions on the Earth’s surface and has become increasingly used to generate data used in decision-making by private and public actors. In this webinar, we discuss recent advances in two satellite products, land surface temperature (LST) and solar-induced chlorophyll fluorescence (SIF), that can significantly improve monitoring for drought-stressed crops and crop productivity. The spatial and temporal variation traceable through LST is critical for identifying the governing land-atmosphere interactions that affect crop growth. Similarly, SIF presents an optical signal of plants’ photosynthetic machinery, thus providing direct functional information about photosynthesis. The recent advent of satellite SIF remote sensing holds great promise for near-real-time crop growth monitoring.
Leiqiu Hu, University of Alabama, will present an overview of the principles of remotely sensed LST and the pros and cons of existing public LST products, as well as introduce a new cloud-filled and diurnal-presentative LST product that fills the gaps in existing products. Ying Sun, Cornell University, will present the basic principles of SIF, the available satellite observations of SIF products, and the value-added of new, high-resolution SIF products. Finally, Medha Bulumulla, Cornell University, will briefly introduce a USAID project website where data, papers, presentations, and code are freely available.
When: July 20, 2021, 10:00-11:30 AM EDT
Where: Register here 

Leiqiu Hu, Assistant Professor, University of Alabama - Huntsville, USA
Ying Sun, Assistant Professor, Cornell University, USA
Medha Bulumulla, Research Assistant, Cornell University, USA
Christopher B. Barrett, SB&JG Ashley Professor, Cornell University, USA
Discussant: Liangzhi You, Senior Research Fellow, Environment and Production Technology Division, IFPRI, USA

We also encourage you to share this webinar link with any interested colleagues. Please register for the webinar, which will be held on July 20, 2021 at 10:00 EDT. We look forward to your participation. 

The Food Security Portal Team

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