module 2, lesson 1 the earth moves - kihei charter stem...
TRANSCRIPT
Mapping Our World Using ArcGIS Online © Esri, 2002-2016; CC Attribution-NonCommercial-ShareAlike license
http://edcommunity.esri.com/MOW Module 2: Lesson 1
1
Module2,Lesson1TheearthmovesInthisactivity,youwillobserveworldwidepatternsofseismicactivity(earthquakes)andvolcanicactivity(volcanoes).Youwillanalyzetherelationshipsofthosepatternstotectonicplateboundariesandmajorphysicalfeaturesoftheearth’ssurface.Thenyouwillidentifycitiesatrisk.Task1:Openthemap
1. Launchaninternetbrowser.a) Gotothislink:
http://www.arcgis.com/home/webmap/viewer.html?webmap=47bbca89d7b8451ebbcf952bd18172f6
2. ClickontheModifyMapbuttononthetoprightcorneraboveyourmap.
3. Ifyouwouldliketocompletethislessonandsaveyourwork,clickontheSaveAsbutton,provideyourloginandpasswordandprovideanewnameforyourMap.Ifyoudonotwanttosaveyourwork,proceedtoStep4withoutclickingontheSaveAsbutton.
Note:ifyouhaveissuessavingyourdocument,gotothislinkandfollowfurtherinstructions.https://www.dropbox.com/s/25g07fiof7ceq9q/Opening%20the%20right%20map.pdf
Mapping Our World Using ArcGIS Online © Esri, 2002-2016; CC Attribution-NonCommercial-ShareAlike license
http://edcommunity.esri.com/MOW Module 2: Lesson 1
2
4. ClickontheShowContentsofMapatthetopoftheContentsareaontheleftofthemap.Whenthemapdocumentopens,youseeamapwithfourlayersturnedon:EarthquakesMagnitude5.7+(2004-2007),Volcanoes,ContinentsandWorldImagery.Thecheckmarknexttothelayernametellsyouthelayeristurnedonandvisibleonthemap.Task2:AnalyzeearthquakelocationsYouwillnowcomparethepredictionsyoumadeintheSupplementaboutearthquakeandvolcanolocationstoactualdatausingGIS.
5. TurnoffVolcanoessothatonlyEarthquakesareshowingonthemap.
Thepointsshowthelocationsofearthquakesthatoccurredin2004through2007andwereamagnitudeof5.7orover.
Answerstoquestionsinthisactivityshouldberecordedontheanswersheet.
! Q1:Doearthquakesoccurintheplacesyoupredicted?Listtheregionsyoupredictedcorrectlyforearthquakelocations.
! Q2:Whatpatternsdoyouseeonthemap?
Mapping Our World Using ArcGIS Online © Esri, 2002-2016; CC Attribution-NonCommercial-ShareAlike license
http://edcommunity.esri.com/MOW Module 2: Lesson 1
3
Task3:SortandanalyzeearthquakemagnitudesYoucantakeacloserlookatthedatabehindthedotsbylookingattheattributetableoftheEarthquakeslayer.Anattributetablecontainsspecificinformationaboutthefeaturesinalayer.IntheEarthquakeslayer,eachpointrepresentsanearthquakewithamagnitudeof5.7orgreaterontheRichterscale.Youwillfocusonthe20strongestearthquakes.
6. Inthetableofcontents,hoverovertheEarthquakesmagnitude5.7+(2004-2007)layer,clickontheShowTablebutton.
Youseetheattributedataassociatedwiththeorangeearthquakepointsonthemap.
7. Scrolldowntoreviewtherecords.Remember,eachrecordinthistablerepresentsonepointonthemap.
Nowyouwillputthemagnitudesinorderfromlargesttosmallest.
8. Clickthefield(columnheading)labeledMAGNITUDE.ThisfieldrepresentsthemagnitudeoftheearthquakesandaSortAscending/SortDescendingboxwillappear.ClickonSortDescending.
Therecordsarenowarrangedfromlargesttosmallestandyouwillselectthe20largestearthquakesfromthelist.
9. Clickontherecordthatisthefirstinthelist.Whiledepressingtheshiftkey,clickoneachrowuntilyougettothetwentiethrecord.Youmayneedtohitthedownarrowofyourkeyboardtoseemorerowstoclick.Notethattherearenowearthquakeshighlightedinblueonyourmap.
Tomakesureyouhavehighlighted20earthquakes,lookatthestatusbaratthetopofthetable.Itshouldlooklikethefollowinggraphic:
Mapping Our World Using ArcGIS Online © Esri, 2002-2016; CC Attribution-NonCommercial-ShareAlike license
http://edcommunity.esri.com/MOW Module 2: Lesson 1
4
! Q3:Howdothe20selectedlocationscomparetoyourSupplementmap?Listthreeways.(Youmayneedtopanyourmaptoseeallhighlightedearthquakes.)
10. Atthetoprightoftheattributetablewindow,clicktheTableOptionsdownarrowandclick
ClearSelection.
11. Closetheattributetablebyclickingthe“X”inthetoprightcornerofthetable.Task4:Analyzevolcanodata
12. TurnofftheEarthquakeslayersandturnontheVolcanoeslayer.
! Q4:Howdothevolcanolocationscomparewithyouroriginalpredictions?Listtheregionsofvolcanicactivityyoupredictedcorrectly.
! Q5:Whatpatternsdoyouseeinthevolcanolocations,andhowdotheycomparewiththeearthquakepatterns?(TurntheEarthquakeslayeronandoffasneeded.)Thedataincludesvolcanoesthatarenotactive.Youwillfocusontheactivevolcanoes.
! Q6:Formulateahypothesisastowhyvolcanoeruptionsandearthquakeshappenwheretheydo.
Thedataincludesvolcanoesthatarenotactive.Nextyouwillfocusontheactivevolcanoes.
Ifyouselecttoofewrecords,depresstheShiftkeyagainandclickontherowsthatyouaremissing.Ifyouhavetoomanyrecords,depresstheShiftkeyandclickontherowsthatyouwishtostophighlighting.
Mapping Our World Using ArcGIS Online © Esri, 2002-2016; CC Attribution-NonCommercial-ShareAlike license
http://edcommunity.esri.com/MOW Module 2: Lesson 1
5
Task5:Identifyactivevolcanoesondifferentcontinents
13. IntheContents,hoverovertheVolcanoeslayerandclicktheShowTablebutton.
14. ClickonthefieldheadingTypeandclickonSortAscending.Scrolldownthetabletolookatthedifferenttypesofvolcanoes.Asyousee,theTypefieldtellsyouifavolcanoisactive,potentiallyactive,orsolfatara(emitsgasesbutisotherwiseinactive).
YouwillviewjusttheActivevolcanoesthathavebeenfilteredoutinadifferentlayer.
15. ClosethetablefortheVolcanoeslayerandturnontheVolcanoes–Activeonlylayer.
16. Clickanactivevolcanoonthemap.Thepopupwindowshowsyouthenameofthevolcano,its
elevation,type,andcountry.Forexample
17. ClosetheIdentifywindowsoyoucanseeyourmap.
18. TurnontheCountrieslayerandturnoffthecontinentslayer.
19. Usingthescrollbuttononyourmouse,zoomintothecontinentofyourchoice.
Remember,youcanzoominandoutbyscrollingyourmousescrollbutton,andyoucanpanyourmapbyholdingdownthescrollorleftclickbuttonsandmovingyourmouse.
Mapping Our World Using ArcGIS Online © Esri, 2002-2016; CC Attribution-NonCommercial-ShareAlike license
http://edcommunity.esri.com/MOW Module 2: Lesson 1
6
! Q7:Clickonactivevolcanoesingreentofindthenames,elevations,andcountriesofthreeactivevolcanoes.
20. Zoombackoutuntilyoucanseeyourentiremaponthescreen.
Task6:PlateboundariesandPhysicalFeaturesTheearthisalwayschanging.Thecrustoftheearthiscomposedofseveraltectonicplatesthatarealwaysonthemove.Theeffectsofmovementaremostnoticeableattheboundariesbetweentheplates.
! Q8:Basedonthelocationsofearthquakesandvolcanoes,wheredoyouthinktheplateboundariesare?DrawthemontheSupplementmap.
Youwillnowinvestigatethelocationsofplateboundariesandtheireffectsonadjacentphysicalfeatures.Thefourbasictypesofplateboundariesare:
• Divergentboundary.Oneortwoplatesaresplittingapart.Newcrustisbeingformedfromthecenteroftheearth,causingtheplatetospread.Riftvalleysareoneexampleofthistypeofplatemovement.
• Convergentboundary.Twoplatesarecolliding,forcingoneplatetodipdownunderneathanotherone.Theplatethatisfoldingunderhasoldcrustthatisbeingdestroyed,whiletheplateontophasmountainsandvolcanoesbeingformed.Intheocean,theseappearastrenches.
• Transformboundary.Platesareslidingagainsteachother,causinglargefaultlinesandmountainstoform.Here,thecrustisneithercreatednordestroyed.
• Plateboundaryzones(zigzagged).Plateboundariesappearerratic(zigzagged).Scientistsbelievetherearemicroplatesintheseareas,butitisunclearwhateffecttheyhaveonthephysicalenvironment.
21. TurnofftheVolcanoes–Activeonlylayer.
22. TurnontheEarth’sTectonicPlateslayer.
! Q9:ComparetheactualplateboundariestotheonesyoudrewontheSupplementmap.Recordallsimilaritiesanddifferences.
23. Inordertogetacloserlookatphysicalfeaturesandplateboundaries,turnonMajorPhysical
Features.
Mapping Our World Using ArcGIS Online © Esri, 2002-2016; CC Attribution-NonCommercial-ShareAlike license
http://edcommunity.esri.com/MOW Module 2: Lesson 1
7
24. Clickonthemaptoidentifyaphysicalfeatureorothermaplayersyouhaveturnedon.
! Q10:Arethereanyareaswherephysicalfeatures,plateboundaries,andseismicandvolcanicactivitiesoverlap?
! Q11:WritethenamesofphysicalfeaturesinthefirstcolumnofthetableontheanswersheetandlabelthemontheSupplementmap.Thefirstentryinthetableisalreadycompletedforyouasanexample.
! Q12:Inthesecondcolumnofthetableontheanswersheet,writehowyouthinkeach
physicalfeaturewascreated.Refertothedescriptionsofthetypesofplateboundariesonpages7and8.
Task8:Identifymajorcitiesathighorlowriskforseismicorvolcanicactivity
25. TurnofftheEarth’sTectonicPlatesandMajorPhysicalFeatureslayers.
26. TurnontheMajorCities,ContinentsandVolcanoeslayersinthetableofcontents.
27. UsetheZoomandPantoolsandclickonthemaptoidentifycitiesthathaveahighriskorlow
riskforanearthquakeoravolcaniceruption.
Mapping Our World Using ArcGIS Online © Esri, 2002-2016; CC Attribution-NonCommercial-ShareAlike license
http://edcommunity.esri.com/MOW Module 2: Lesson 1
8
28. YoumayliketousetheMeasuretooltolearnthedistancefromvolcanicandseismicactivitytomajorcitiesbyclickingonceonavolcanoandthenonceonitsclosestmajorcity.
! Q13:Listfivehigh-riskcitiesandfivelow-riskcities.Remembertoturnlayersonandoffandmovethemaroundasneeded.
Inthislesson,youuseddifferentlayerstofindthelocationsofearthquakesandvolcanoesaroundtheworld.Youwerethenabletoidentifycitiesathighorlowriskforseismicorvolcanicevents.