PowerPoint PresentationSlide 2Slide 3Slide 4Slide 5Slide 6Slide 7Slide 8Slide 9Slide 10Slide 11Slide 12Slide 13Slide 14Slide 15Slide 16Slide 17Slide 18Slide 19Maps, Models, Storytelling & MoreJohn P. WilsonDaniel WarshawskySSCI 265Lg The Water Planet2Learning objectivesWhen you have finished class today you should have …A better understanding of the significance of maps, geospatial technologies, & models for characterizing and managing water resourcesAn expanded appreciation of the character of geographic informationAn initial understanding of the three core geospatial technologies and how they could be deployed in laboratory assignments3Climate MapsAnnual cycle of ARC2 rainfall (mm/day) over Africa domainSpatial mean of annual ARC2 rainfall (mm/day) at a 0.1° resolution over Africa from 1983-2010NOAA NCEP CPC FEWS Africa DAILY ARC2 daily options – Columbia University4Climate Maps – 2Source: Novella & Thiaw, n.d. Map of ARC2 total rainfall anomaly (mm), plus observed & cumulative ARC2 rainfall time series for Ondangwa, Nambia, & Maputo, Mozambique for southern Africa rainy season (10/1/08-5/31/09)5Geographic informationInformation about places on the Earth’s surfaceKnowledge about where something isKnowledge about what is at a given location (at a given time?)Tells us “what is where when”6Subwatershed delineation7Geospatial technologies•Core componentsoGeographic information systemsoGlobal positioning systemsoRemote sensing systems•Provide tools to solve real world problemsoLocating things – knowing where things areoRouting – bringing people and assets to locationsoLocation/allocation – site optimizationoLocating linear facilities – highways, pipelines, corridors, transmission linesoLand use models – predicting urban growth, control conditions, public participation8What does a GIS look like?Information about what is where (when)The contents of maps and imagesYou would know when a computer was being used for GIS because the data stored in it would include maps and images9Multiple platforms•Provides multiple entry and exit points for users•Bundles software with data•Supports geo-processing workflows and services•New emphasis on Web maps and storytelling•Rapid growth in demand for people with spatial skills10Hydrologic Models11Model implementationPrepare model & dataCalibrate rainfall-runoff relationshipsCalibrate delivery and transport of contaminantsNO3-N, NH3-NTotal P Validate rainfall-runoff and water quality predictionsGenerate final results12WQ module: User interface13Annual NH4 loads in map form14Annual NO3 loads in map form…15Total P loads in map form16Rainfall-runoff results17Monthly nutrient loads (Ballona)18WQ results: Ballona Creek19Space and timeMap: Courtesy of Tim
View Full Document
Unlocking...