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or E ample*+limatechange

scientists tellus that

"olcanoes cancool our

planet Theblue line

shows thecooling

caused by"olcanoes inthe past ,-.

years

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Ey/af/alla/o0ull1 +ool !s2

• &34IS of "olcanic plume o"er Europe$NASA5&34IS Rapid Response Team$ 65,75,.

In April8.,.$ a"olcanoerupted inIceland

The plumeof smo0efrom the"olcanoblewacross theNorthAtlanticintoEurope

8/18/2019 The Power Of RemoteSensing

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NASA from A%ua satellite 69,:9,.

Icelandic"olcano ;a0i$,:<-$ wasobser"ed by=en/amin

ran0lin$Americanambassadorto Europe$ tocool climateIt alteredmonsoon

patterns andcauseddrought inEgypt andIndia (Andrea

Thompson$li"escience com$ 65,>5,. )

#istorically$ Iceland?s @olcanoes +ooledthe Planet

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Too Small2 or Now

Ey/af/alla/o0ullwas not bigenough

,.. times smallerthan &t St#elens (=ritishBeologicalSur"ey)

Pinatubo was ,.times biggerthan &t St#elens

Ey/af/alla/o0ullspewing ashonly 8.$... to-7$... feet$not intostratosphere

+=+9+A news$ 65,:5,.

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=ut ;oo0 at That Smo0e

Normal "iew at left is enriched with thermal infrared at rightSilica9rich ash shows as red Ice9laden plume is blue No yellow$an indicator of sulphur$ is "isible although it may be there(NASA) The chemicals in a smo0e plume can be identiCed fromspace

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'hat Else +an Satellites

See2;oo0ing downon Earth from7.. miles up$;andsat and

&34IS remotesensors see thetop of ourforest$ the

canopy#yperspectralmonitors gi"e

us detailedphotographs$

li0e the one atright

8/18/2019 The Power Of RemoteSensing

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Spectral &easures Report on ;eaf#ealthIn the orest'atchlaboratory at!N#$ aspectrometermeasures leafand needlehealth Thereadings tellus1• +hlorophyll

content• 'ater

content• Age and

generalhealth

8/18/2019 The Power Of RemoteSensing

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;ight ReDected from Aew ;ea"es

Is the Same As ;ightReDected from A orest

#ypothesis1 IdentiCcation ofstress on sugar maple siteswith anatomical and spectralmeasures will correlate with

T&756$ a water stress inde $and N4@I$ biomass inde $ asinterpreted from ;andsatimagery of sugar maplemonocultures

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Sugar&aples Are

&anaged

New England?s sugar maples are one of thefew deciduous trees foresters and

landowners manage as a monoculture 'ecould see a -. meter pi el$ 7. acres or 8..

acres of sugar maples from space

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#elp &onitor &aple #ealth The !N# team in"ites you to

help monitor the health ofsugar maples Are our trees

healthy2 3r is somethingcausing stress2 3ur studies ofa few trees in a do en sugar

bushes in New #ampshiremight help us FseeG maple

health all o"er New England