NASA Earth Observatory ARSET Air Quality Applications Webinar Adam Voiland, Science Writer Science Systems and Applications, Inc.

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Presentation transcript:

NASA Earth Observatory ARSET Air Quality Applications Webinar Adam Voiland, Science Writer Science Systems and Applications, April 8, 2015

Mission The Earth Observatory’s mission is to share with the public the images, stories, and discoveries about the environment, Earth systems, and climate that emerge from NASA research, including its satellite missions, in-the-field research, and models.

What we do Image-based: “magazine style” storytelling for the web Daily still imagery and maps Daily coverage of newsworthy natural hazards (includes several categories that are relevant to air quality: haze events, wildfires, dust, volcanic eruptions) Feature length stories Social media

earthobservatory.nasa.gov 705k visitors/month  7.9M visitors  22.9M pageviews 79k subscribers  3 newsletters 6.5 million Facebook followers 434k twitter followers

Key Air Quality Resources from EO Natural Hazards Section Image of the Day coverage Global Maps pnav&eoci=globalmaps Feature coverage

Natural Hazards Section Timely, breaking news. Usually imagery no more than a few days old Divided into sections: 1) fire 2) dust, smoke haze 3) volcanoes Goal of at least one new hazards image per day Straightforward, succinct captions.

Hazards Example: Holuhraun Eruption Event galleries Updated as we go with imagery from different sensors/datasets

Image of the Day Deeper stories. Often multi-image. Common data sources: MODIS on Aqua/Terra, OLI on Landsat 8, VIIRS on Suomi NPP, CALIPSO, OMI. Usually reported stories that include several references and links to sources of data. Examples: Seasons of air quality in India, New map of PM2.5, ship tracks in NO2

Example: Seasons of Indian Air Quality MODIS,

Example: Dust Crossing the Atlantic VIIRS, OMI,

Example: New Map of fine PM Based on MODIS, MISR data. Analysis by van Donkelaar et al,

Example: Shipping Pollution Map (NO 2 ) OMI, view.php?id= view.php?id=80375

Example: Ash tracking with CALIPSO Eyjafjallajökull Volcano, 2010 MODIS, CALIPOP TD/view.php?id=44052

Global Maps Regularly updated global maps of key NASA datasets relevant to air quality Presented as monthly averages. Quicktime animations include several years of data. Datasets include: aerosol optical depth (Terra MODIS), aerosol size (Terra MODIS), carbon monoxide (Terra MOPITT), fire (Terra MODIS)

Example of Global Map: Aerosol Optical Depth MODIS, , monthly ov/GlobalMaps/view.php?d1= MODAL2_M_AER_OD

Features Broad overviews. Intended for non-experts. 1) Aerosols: Tiny Particles, Big Impact (Primer) s/ 2) Air Quality: A Clearer View of Hazy Skies (Aerosol Trends) y/

Aerosol Feature These scanning electron microscope images (not at the same scale) show the wide variety of aerosol shapes. From left to right: volcanic ash, pollen, sea salt, and soot. [Micrographs courtesy USGS, UMBC (Chere Petty), and Arizona State University (Peter Buseck).] Desert dust, volatile organic compounds from vegetation, smoke from forest fires, and volcanic ash are natural sources of aerosols. (Photographs copyright (left to right) Western Sahara Project, Jonathan Jessup, Vox, and Ludie Cochrane.)Western Sahara Project,Jonathan Jessup,Vox,Ludie Cochrane.

Air Quality Trends Feature Nitrogen dioxide pollution increased strongly over cities in China, the Middle East, and India from 1996 to Western Europe, the United States, and Japan showed decreasing amounts over the same period. Monthly data shows these changes in more detail. [Graph by Robert Simmon, data provided by A. Hilboll/University of Bremen (Hilboll et al., 2013)]

Social Media 2-3 updates on Facebook per day 5-6 updates on Twitter per day Also on Google+, Instagram, Flickr, YouTube Facebook especially popular in Asia. 1.6 million from India, 350K from the Philippines, 250K from Pakistan, 220K from Bangladesh, 89k for Nepal. (Compare to 760K for USA)

NASA Earth Observations (NEO) Repository of global data imagery 185k images from 50+ datasets/parameters Includes aerosol optical depth, carbon monoxide, aerosol particle radius, ozone. Choose time period and download imagery. Designed for educational purposes, not research.

Other Resources MODIS Rapid Response Gallery EOSDIS Worldview Earth Explorer (Landsat, EO-1)

Notes from the Field 2014 Want to blog for us? Wordpress. Plug and play. Easy to use. Past missions include: South Pacific Bio-optics Cruise Greenland Aquifer Expedition NASA in Alaska (G-LiHT, MABEL) Ship-Aircraft Bio-Optical Research (SABOR) LARGE (The Langley Aerosol Research Group Experiment) Hurricane and Severe Storm Sentinel (HS3) Operation IceBridge: Antarctic

Thank you.

Facebook 6.5M likes [836k] 322M total reach 707 posts (2-3/day) Avg post reach: 455k