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Making a global NDVI mosaic
(to understand vegetation and crops) using NASA and USGS
data just got a lot easier thanks to NASA Harvest and @umdgeography's Dan O'Neill - called "octvi" Download the#OpenSource#Python package here https://pypi.org/project/octvi/#EO4Ag#MODIS#VIIRSpic.twitter.com/pROQ0r95qt
Prikaži ovu nit -
Thanks for posting these presentations
@OurRadiantEarth ! Plenty of great information here on#ML applications to solve@NASAEarth science questions, even in#Agriculture!@heyyhannahrae from@NASAHarvest at 47:00 https://www.youtube.com/watch?v=SuriWE3sBek&list=PL3QzFgBMGnbQRa8uHP0_C_P2Fl5GIBxmn&index=5&t=0s …https://twitter.com/OurRadiantEarth/status/1224804905657020416 …
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False color infrared vs. natural color
#Landsat images; SF vs. KC.
vs. 
#SuperBowl2020#SuperBowlSunday#RemoteSensing#MapsFromSpace#SourdoughSam#WOLF https://twitter.com/USGS_EROS/status/1224007127104217088 …pic.twitter.com/BhX512krY5
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Europe's
#crop yield forecasting based on data from December/ January - Monitoring Agricultural ResourceS (MARS) report just published. https://ec.europa.eu/jrc/sites/jrcsh/files/jrc-mars-bulletin-vol28-no1.pdf …#Agriculture#FoodSecurity#EO4Ag#EO4Agripic.twitter.com/ZUc3utHDj1
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"As we're working with our end users, we have to understand the dynamic and really what they're trying to achieve." Check out
@CLNakalembe's resent presentation on frameworks for EO applications to strengthen#foodsecurity at the@GEOSEC2025 summit. http://bit.ly/30VezKu pic.twitter.com/KLZoV6qg9V
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Drew Bollinger speaks about how
@developmentseed helps@SERVIRGlobal and other@NASAEarth programs use@OpenSource#MachineLearning tools and#EarthObservation#data to predict what's going on with#PlanetEarthpic.twitter.com/izef9tEQzf
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At today's Symposium on Earth Science and Applications from Space hosted by the Space Studies Board of National Academies (with special guest and tributes to Mike Freilich), Maurice Borgeaud
@esa highlighted several key collaborations with@NASAEarth under Mike's leadership:pic.twitter.com/Qo4FeSNtrn
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Our partners
@6thGrain released an exciting new online#crop mapping site. It's easy to use and available to all - you know how much we love transparent and open tools! They will be expanding the area and crop coverage in the coming months, so stay tuned. http://bit.ly/2NBDTQi pic.twitter.com/86aJCUsgzg
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Dr. Brad Doorn runs NASA Applied Sciences programs on
#WaterResources and#Agriculture, including@NASA_WWAO and@NASAHarvest. Here he is at today’s@USGS#WWHGD meeting on mapping the future of#crop monitoring.pic.twitter.com/VXvRq5lMih
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@SERVIRGlobal's Lee Ellenburg is@USGS speaking at the#WWHGD meeting on how his org works with local, in-region orgs to develop#crop and land cover maps#FoodSecurity#Mekong#Afganistanpic.twitter.com/isZxbalrsP
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Here's Katie McGaughey describing her field data collection work in
#Ukraine and how@USDAForeignAg uses these data for#crop mapping around the world.pic.twitter.com/1mFgF7QnC4
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How is
@AAFC_Canada using@LeanderCampbell’s@Twitter data? (and how can we help collect these#crowdsourcing tools to monitor crops and do better#CalVal?) https://twitter.com/ktmcgaughey/status/1217535497448435715 …pic.twitter.com/S0M6VW80X9
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@marijnvdv78 speaking@USGS#WWHGD about use of ground photos as in-situ, stree-level data to validate#Sentinel#Satellite imagery of rapeseed crops in#Netherlands and#Europe#CitizenScience#Crowdsourcing#RemoteSensingpic.twitter.com/uCgyO1Q4Ql
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Thanks, Kiersten! Check out this important webinar, Jan 22, 9 am AND 9 pm EST
#Resilience#Conservation#RegenerativeAgriculture#agroecology https://twitter.com/ninafikiri/status/1217523463478484994 …pic.twitter.com/b3BR40lQEb
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Esteban Copati of
#Agriculture Estimates Department at Buenos Aires Grain Exchange (and NASA Harvest partner) speaks about using@googleearth engine, Sentinel, and@NASA_Landsat data to measure crop production@USGS#WWHGD meeting (#remote presentation on#RemoteSensing)#grainspic.twitter.com/ZjWF3qIAhB
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#MachineLearning is all the buzz, but what does it do for global#FoodSecurity? Dr. Ritvik Sahajpal of NASA Harvest and@umdgeography describes his team's work using#ML for forecasting#crop yields and to optimize field / ground data collection (i.e. reduce # of crop cuts)pic.twitter.com/5JH4IIC14P
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How can you learn about
#crop damage and impacts to#agriculture from severe#weather events? Jordan Bell from@NASA_Marshall described some of the#EarthObservation tools he uses at today's@USGS#WWHGD meeting in Reston, VA.#climate#wxtwitterpic.twitter.com/hiSEmENSMI
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Join us
@ametsoc to learn more about Earth Observations and Environmental Modeling for Agriculture and Food Security, 3-4 pm, 253C, Session organized by@umdgeography and Harvest's Pierre Guillevic and Chris Justice.#EO4AGR#EO4AG#AMS100#AMS2020 click into

to see talkspic.twitter.com/EBGwstO8cz
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Yes,
@LeeEllenburg! What an amazing story Amb. Mustard told about the history of#CropMonitoring before#EarthObservation and@NASA_Landsat data! Nota bene:#Satellite maps are nice, but field surveys and ground#data are still critical (even windshield surveys) https://twitter.com/LeeEllenburg/status/1217442057251364865 …pic.twitter.com/7bwGWUyShF
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