GLOBE Observer Home - GLOBE.gov - BrianCampbell Students, … · 2019-09-26 · Brian A. Campbell...
Transcript of GLOBE Observer Home - GLOBE.gov - BrianCampbell Students, … · 2019-09-26 · Brian A. Campbell...
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Brian A. CampbellNASA Senior Earth Science Outreach Specialist
NASA GLOBE Observer Trees Science LeadICESat-2 Education Lead
NASA Wallops Flight Facility
Students, Teachers, Citizen Scientists, and NASA
Observing the Height of Our Planet, One Tree at a Time
23rd GLOBE Annual MeetingDetroit, Michigan USA
18 April 2019
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THE MISSIONS
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The Ice, Cloud and land Elevation Satellite-2 (ICESat-2)
Launched September 15, 2018
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ICESat-2 Elevates Our World (video):https://icesat-2.gsfc.nasa.gov/sites/default/files/videos/original/12663_ICESat2_Height.mp4
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The ICESat-2 Satellite uses anonboard laser altimeter system tomeasure the height of our planet,including trees.
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ICESat-2 By The Numbers (video):
https://icesat-2.gsfc.nasa.gov/sites/default/files/videos/original/12768_300Trillion.mp4
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“May the Forest be with You!”
GEDI Mission (video):https://svs.gsfc.nasa.gov/vis/a010000/a012900/a012939/FACEBOOK_720_GEDI_Star_Wars_Day_V9_facebook_720.mp4
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The Global Ecosystem Dynamics Investigation (GEDi) on ISS
Launched December 5, 2018
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(GEDi) on ISS Overview (Video): https://svs.gsfc.nasa.gov/vis/a010000/a013000/a013090/GEDI_beauty_waveform_youtube_720.mp4
Launched December 5, 2018
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WHAT IS GLOBE
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THE CAMPAIGN
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Trees Around the GLOBE Student Research Campaign
The Trees Around the GLOBE Campaign began onSeptember 15, 2018 in conjunction with NASA'sICESat-2 satellite launch on the same date at6:02am PDT. This campaign is a student researchcampaign focusing on tree height - one of themeasurements conducted by the ICESat-2mission. We also focus on Land Cover andGreenings protocols.
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Left is the GLOBE Program’s Paper ClinometerRight is a store-bought plastic clinometer
The Tools – Clinometers and Tape Measure
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Guiding Investigative Questions for Data Collection and Research
•Where are trees growing and why are they there?
•What can measuring tree height tell us about our local ecosystem?
•What is the relationship between tree height and land cover?
•What are the tools for measuring trees and the errors between them?
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TREES AROUND THE GLOBE STUDENT RESEARCH CAMPAIGN
https://www.globe.gov/web/trees-around-the-globe
Campaign Metrics since 9/15/18
11 webinars (10 campaign specific, 1 FB Live)505 direct participants from 26 countries
22 blogs with 16,000+ views62 uploaded documents4 IVSS Projects related to campaign
6,500+ Tree Height Measurements6,400+ Green Up/Green Down Measurements5,500+ Land Cover Measurements
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Tree Height Measurements
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GET STARTED AT
https://www.globe.gov/web/trees-around-the-globe/overview
Some guidelines for choosing trees to measure:
1. Trees measured should be at least 5m (16.4ft) tall;2. Trees measured should be isolated trees or the tallest trees in a large grouping of trees
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THE CITIZEN SCIENCE TREES
TOOL
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NASA GLOBE Observer Trees Tool Promo (Video)https://www.youtube.com/watch?v=uc11s19OidQ
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The Tools – Mobile Device and Tape Measure
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A Few Screen Shots
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A Tutorial to Make it Easier
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LOOKING AND COMPARING THE DATA AT OPEN ALTIMETRY
WWW.OPENALTIMETRY.ORG
A WORK IN PROGRESS!
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What Kind of Tree Height Data Do The ICESat-2 Scientists Want?
DATA DENSITY
Our Ultimate Goal is to Compare the Satellite Tree Height Data to the GLOBE Student and NASA GO Tree Height Data
Each dot represents a photon that has left thesatellite, bounced off the Earth and returned to thesatellite.
Note the density of the photon data the make upthe profiles of the trees. This density allows for amore accurate height measurement.
ICESat-2 scientists want clusters of tree heights thatoverlap with ICESat-2 measurements.
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Talking Points, with your students, why measuring tree height is important
• Tree height allows you to track the growth of trees over time
• Tree height is the most widely used indicator of a ecosystem’s ability to grow trees
• Tree height allows NASA scientists to understand the gain or loss of biomass which can
inform calculations of the carbon that trees and forests either take in from or release into the
atmosphere.
• NASA GLOBE Observer Tree height data can serve as a source of data comparison for the
ICESat-2 satellite.
• ICESat-2 utilizes an onboard laser altimeter system to measure the height of our planet, one
photon at a time. The technology of ICESat-2 can measure the height of trees all around our
planet.
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Resources
ICESat-2 Website - http://icesat-2.gsfc.nasa.gov/
ICESat-2 on Facebook – https://www.facebook.com/ICESat2
GEDI Mission - https://gedi.umd.edu/
Trees Campaign - https://www.globe.gov/web/trees-around-the-globe
NASA GLOBE Observer - http://observer.globe.gov
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LET’S GO OUTSIDE AND MEASURE SOME TREE HEIGHT!
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CONTACT INFORMATION
Brian Campbell
NASA Senior Outreach and Communications Specialist
ICESat-2 Mission Team
Trees Science Lead
Trees Around the GLOBE Campaign Lead
NASA Wallops Flight Facility
Wallops Island, Virginia USA