Case Studies
GIS users represent a vast reservoir of knowledge, expertise, and best practices in applying this cornerstone technology to the science of climate change and understanding its impact on natural and human systems.
Focus
Application
Case Study
Shoreline Change History
Louisiana's Gulf of Mexico shoreline is losing land. Over the past century, the erosion rate has progressively increased, threatening the health of coastal Louisiana. Through use of historical maps, satellite imagery, and aerial photography, experts mapped the patterns and rates of shoreline change.
Impacts of Sea Level Rise
Southern Florida was examined to exhibit the effects of sea level rise on human and animal populations. Inundation of southern Florida's coastlines and Broward County were modeled using a USGS seamless DEM with a vertical exaggeration of 100 to bring out the visual effect.
Shrinking Forests of Kilimanjaro
Long-term rainfall data from three stations located on the southern slopes of Kilimanjaro show a decrease in annual rainfall of 34, 27, and 39 percent for the periods 1902-2004, 1911-2004, and 1922-2004, respectively.
Mapping the Larsen Ice Shelf
The Antarctic Peninsula has shown the most obvious examples of recent change on the Antarctic continent. The map illustrates the significance of monitoring the Larsen Ice Shelf for effects that may be a result of global climate change.
The Cryosphere World Map
Snow cover extent for Northern Hemisphere is represented by the 1966-2005 February average, for Southern Hemisphere by the 1987-2003 August average. Sea ice extent for Northern Hemisphere is represented by the 1979-2003 March average, for Southern Hemisphere by the 1979-2002 September average.
Ozone Precursor Monitoring
This map shows the spatial relationship between major nitrogen oxides (NOx) stationary emission sources, ambient ozone concentrations, ambient NOx and volatile organic compounds (VOC) precursor concentrations, population density, and 24-hour wind back trajectories on high ozone concentration days in Houston, Texas.
Circumpolar Arctic Vegetation Map
This map displays the Circumarctic Vegetation Map and Arctic Research Stations, which include the location, station name, contact information, facilities, equipment, communications, Internet link, and other basic information for stations supporting research in the Arctic region.
Mapping the Arctic Conservation Area
The Conservation of Arctic Flora and Fauna (CAFF) is a working group under the Arctic Council for the countries of the Arctic, indigenous peoples, and nongovernmental organizations. Monitoring, assessment, protection of areas, and conservation strategies are all tasks under this working group. The area that this group addresses is represented in this map.
Forest Dynamics
This map shows areas of land-cover change in the southern Lake Tahoe Basin that were identified through postclassification change detection of multitemporal land-use/land-cover datasets for four dates: 1940, 1969, 1987, and 2002.
Air Pollution Sources
The South Coast Air Quality Management District (AQMD) is the air pollution control agency for all of Orange County and the urban portions of Los Angeles, Riverside, and San Bernardino counties in California.
Land Change for Coastal Louisiana
Coastal Louisiana loses an average of 34 square miles of land, primarily marsh, per year. From 1932 to 2050, coastal Louisiana has lost 1,900 square miles of land, roughly an area the size of the state of Delaware.
Global Earth Observation System of Systems
The Group on Earth Observations (GEO), which is coordinating efforts to build a Global Earth Observation System of Systems (GEOSS), operates a portal (GEOportal) which provides a single Internet access point for data, imagery, and analytical software packages covering the entire Earth.
Climate Change Models Published
The National Center for Atmospheric Research (NCAR) is publishing climate change model output data in a GIS format. NCAR chose Esri's data formats to bring scenarios of global climate change to scientists, researchers, educators, and planners for use in GIS software, such as ArcGIS for Desktop, ArcGIS 3D Analyst, and ArcIMS.
GIS Innovation Aids Antarctic Research
The voyage undertook a biodiversity study, in cooperation with the Italian Antarctic Research Programme, and continued hydrographic survey work in the northwestern Ross Sea.
Long-Term Environmental Monitoring
In 1996, Texas A&M University and University of Texas researchers began developing a long-term environmental monitoring program for McMurdo Station, Antarctica.
Mapping the Ayles Ice Shelf Break
It was the Arctic ice shelf collapse heard around the world: the ancient Ayles Ice Shelf in Canada had cracked from its mooring in an Ellesmere Island fjord and floated into the Arctic Ocean.
Visualizing Coral Reef Threats
Data from a programmable imaging spectrograph, captured as part of a mapping program sponsored by an ocean conservation organization, is helping researchers better understand threats to the health of coral reefs in the U.S. Virgin Islands (USVI) and elsewhere.
National Carbon Sequestration
The U.S. Department of Energy's Regional Carbon Sequestration Partnerships (RCSPs) generated data for the layers displayed in the Carbon Sequestration Atlas of the United States and Canada. Geospatial data such as carbon sources, potential storage sites, transportation, and land use are required for efficient implementation of carbon sequestration on a broad scale.
Plains CO2 Reduction Partnership
Within central North America, the Plains CO2 Reduction (PCOR) Partnership is investigating carbon capture and storage technologies in order to provide a safe, effective, and efficient means of managing carbon dioxide emissions across the center of the continent.
Carbon Emissions Inventory
Researchers from Purdue University's Project Vulcan developed processes for aggregating carbon emissions data from multiple sources and formats. Valuable GIS support for this project came from an unlikely source: the university's library.
View case study [PDF]
Carbon Sequestration Potential
The Sauk sequence is the lowest major sequence of rocks within the Paleozoic strata of North America. Few wells have been drilled to appreciable depths within these rift sequences to allow characterization of their carbon sequestration potential.
Carbon Sequestration and Coal Resources
The Illinois, Indiana, and Kentucky geological surveys have cooperatively mapped four coal seams for coal bed methane and carbon sequestration studies. The new mapping contributes to regional knowledge of these seams, and the data will be used to help assess areas for enhanced coal bed methane development and carbon sequestration potential.
Forestry Carbon Trading
Foresters are using GIS to analyze forests' carbon sequestration rates. This technology can also be implemented to reveal opportunities in carbon trading to gain economic advantages from sustainable forest management.
View case study [PDF]
Carbon Sequestration Communications
The University of North Dakota Energy & Environmental Research Center (EERC) is leading an international team to develop opportunities for CO2 sequestration in the Great Plains of North America.
Biomass and Carbon in U.S. Forests
Understanding the role of land-cover change, such as the conversion of forest to pasture or prairie to pavement, is a chief objective of scientists at the Woods Hole Research Center (WHRC), an environmental science, education, and policy institution on Cape Cod in Massachusetts.
Biomass Resource Potential
This project examines the economically feasible biomass supply for different types of future bioenergy, biofuel, and biobased products manufacturing facilities sited across the landscape. Gross and technically feasible feedstock supplies were previously assessed for California.
Wind Resources of the Western U.S.
By presenting current wind generation, transmission options, and new wind generation siting opportunities, Platts' clients use the Wind Resources of the Western United States wall map to obtain insight into the present and future of wind power in the western United States.
Renewable Energy Resource Potential
New Mexico's largest electricity and natural gas provider developed this map showing the relationship of wind, solar, and geothermal energy sources to existing electric transmission facilities for use in discussions with various state and federal agencies and the public.
Wind Farm Siting
This image displays AWS Truewind's first national map for mean annual wind speed at 80 meters above ground. The wind resource data is the basis for identifying potential land area for wind development.
Marine Renewable Energy Atlas
The Atlas of UK (United Kingdom) Marine Renewable Energy Resources stands as an example of an interactive data-management system, delivered across a range of GIS enabled formats: hard-copy maps, desktop application, and Web application.
Wind Energy and Ethanol Production
This analysis uses GIS to select areas that are most suitable for the collocation of wind turbines and ethanol-producing corn crops. Wind Resource Area (WRA) identification is the first step in identifying these prime collocation sites.
Siting Wind Turbines
GIS enables us to reach our goal of finding the best wind areas while causing as little impact as possible to wildlife and the environment. Locating the right site can be done quickly and accurately with publicly available data and GIS technology.
Solar Potential of Rooftops
About 20 percent of the country's rooftops are suitable for solar power production, according to recent results from the SUN-AREA Research Project. The project aims to determine how solar energy resources can be optimized by placing photovoltaic panels on rooftops around the country.
Searching for Renewable Energy Sites
The perfect site for a renewable energy installation needs to fulfill certain conditions. Information, such as land survey data, is evaluated by using GIS in order to make a site evaluation.
Impacts of Wind Farm Development
Avesnois National Park has undertaken a project to identify and classify appropriate wind zones, help the local government make informed decisions on future wind farm projects through supporting documents such as reports and maps, and create a coherent global vision for others to follow.
Geothermal Map of North America
The Geothermal Map of North America is based on terrestrial heat flow as the primary determination for the earth's crustal/lithospheric thermal conditions. This map illustrates heat transfer from lithospheric to local (individual geothermal system) scales.
Siting a Solar Power Project
The Geothermal Map of North America is based on terrestrial heat flow as the primary determination for the earth's crustal/lithospheric thermal conditions. This map illustrates heat transfer from lithospheric to local (individual geothermal system) scales.
Concentrating Solar Power Program
This map depicts various ongoing GIS activities at the National Renewable Energy Laboratory (NREL) in support of the Concentrating Solar Power research program. Activities include development of direct normal resource data, analyses to quantify potential for development, and development of interactive data visualization tools.
Tapping Wind Resources
GIS is used to create a wind map book combining wind, transmission, parcel, and road data, helping investors and developers locate best wind power resource areas.
The Economics of Biofuel Availability
Evaluating the economic feasibility of biomass resources (i.e., plant material) as an energy source requires comprehensively addressing transportation costs by integrating that cost information based on the type of biomass material, the distance it must be transported, and the available transportation infrastructure. GIS is well suited to this type of analysis.
A Carbon-Neutral, Zero-Waste City
Every facet of designing and building the city will be analyzed with GIS, and an enterprise system will be used throughout the city's life cycle.
Sumatra Forest Cover Change
This map illustrates a Landsat analysis of forest cover and forest loss from 1990 to 2000 on the island of Sumatra, Indonesia. During that 10-year time period, Sumatra lost its forest cover at a rate of approximately 25 percent.
Mapping Ecosystem Services
Shown here are four ecosystem services in the Northern Sierra Nevada: water yield, water retention, carbon sequestration, and biodiversity. These maps represent the first step in mapping the delivery, distribution, and economic value of ecosystem services in the Sierra Nevada of California.
Global Gap Analysis
The Global Gap Analysis is the first assessment of the effectiveness of the global network of protected areas in covering species diversity. This project overlaid maps of protected areas onto distribution maps for more than 11,000 species of mammals, amphibians, and threatened birds to assess how well each species is represented in protected areas.
Global Population Density Estimates
Population is projected to the year 2015 using simple extrapolation methods. For most countries of the world, subnational estimates of population from the two most recent censuses (c. 1990 and 2000) were used as the basis of the extrapolation. Subnational rates of growth for the 1990-2000 interval were then applied in five-year increments.
Rainfed Crop and Pasture Suitability
Maps generally depict productivity based only on environmental conditions. This map takes into account the other conditions and is considered more precise. Agricultural suitability for nine major crop groups plus pastures was modeled and assessed.
Food Insecurity and Vulnerability
The Directorate for Food Security of the Department of Agriculture, South Africa, has set specific objectives to develop, implement, and conduct annual food security policy reviews and to establish and maintain an effective Food Insecurity and Vulnerability Information Mapping System (FIVIMS).
Metropolitan Area Growth
This mapping project outlines the growth of the Maricopa Association of Governments Region from 1912 to present. In addition, the project depicts the projected growth patterns of population, employment, and urban concentrations through the year 2030.
The Impact of Transportation
Transportation is one of the most significant factors of human influence on our planet. This map of the human footprint shows the gradient of human impact within the state of Oregon.
Forest Conservation Priorities
This map depicts the regional conservation priorities from the separate workshops organized by Conservation International for the Upper Guinea forest ecosystem and World Wildlife Fund for the Congo Basin forest.
Biodiversity Conservation Priorities
The Philippines is in the midst of a biodiversity crisis. It is among the world's richest countries in biodiversity, but its biodiversity is threatened. The results shown here indicate the areas that must be conserved to thwart further loss of biodiversity.
Cumulative Human Footprint
The Nature Audit is a groundbreaking report that audits Canada's efforts to conserve biodiversity. This map shows the current cumulative impact or footprint of human activities on wildlife through disruption to their habitat and ecosystem integrity in Canada's ecoregions.
California Biodiversity Atlas
The California Department of Fish and Game has published the Atlas of Biodiversity of California, which examines biodiversity on a statewide level and provides a summary of the best available information about species, habitats, and vegetation types.
Wetlands Protection and Restoration
Primary efforts to prevent catastrophic land loss were implemented in 1990 under the Coastal Wetlands Planning, Protection, and Restoration Act, also known as the Breaux Act. The Breaux Act provides approximately $50 million a year in federally allocated funds for coastal restoration projects in Louisiana.
Restoring Montana's Wetlands
These maps demonstrate the use of GIS in determining potential sites for wetland mitigation in Montana. The use of GIS technology in these types of land use analyses is promising and will ultimately change the way Montana state government conducts business in the future.
Mapping Aquifer Yields
The Ohio Department of Natural Resources, Division of Water, has produced statewide GIS coverages for the unconsolidated and bedrock aquifers of Ohio. These maps depict the approximate yield of the aquifers in gallons per minute.
Land Suitability Analysis
This project will benefit the Land Use Plan by providing geographic data, analysis results, and total acreage calculations for specific land use, land cover, and analysis areas.
County "Green" Map
Westchester County created an online Green Map that allows residents to see resources that support green practices such as recycling centers, tire disposal sites, and farmers' markets.
Sustainable Fisheries and Marine Conservation
Kenya's Kiunga Marine National Reserve studies sustainable fisheries and marine conservation with GIS, enabling an increasingly revealing spatial analyses of the ecology of the reserve.
Mapping Benthic Habitats
The California Cooperative Oceanic Fisheries Investigations have been collecting data of the water column since 1949, providing one of the longest existing time series data collections of the physics, chemistry, and biology of the dynamic oceanic regime. This has proven to be a useful prototype database to test the capabilities of the Marine Data Model and visual representation with GIS.
Rangeland Health Inventory and Analysis
Mobile GIS allows for informed discussions with range tenure holders in a time-efficient manner, and summary analysis of range health is easily created.
Global Agriculture Assessments
The U.S. Department of Agriculture Foreign Agricultural Service is responsible for global crop condition assessments and estimates of area, yield, and production for grains, oilseeds, and cotton. Regional analysts use GIS to collect market intelligence and forecast reliable global production numbers for the grain, oilseed, and cotton crops.
Improving Crop Yield
GIS technology enables farmers to become more discerning about crop management. Modern precision farming techniques incorporate geospatial technologies to help farmers increase economic yield.
Irrigation Planning and Management
Sri Lanka's Department of Agrarian Development has implemented GIS to help select tanks that will be rehabilitated in the future and to assess the impact of rehabilitated minor irrigation systems on poor farmer families in WFP activity districts.
Impact of Climate Changes on Gray Whales
Migrating Gray whales stop to feed in areas rich with chlorophyll fed shrimp. Using GIS, researchers analyzed relationships of water temperatures, base food chain elements, and whale behavior patterns.
Ride Sharing Made Easier with GIS
SmartTrips Web-based ride-sharing system allows users to instantly identify potential matches and view their proximity on a map.
Analyzing and Monitoring Rice Production
In the aftermath of a devastating cyclone in Myanmar, GIS provide a detailed perspective of where remediation efforts are needed and helps monitor the ongoing flood recovery.
Population Inside the Floodplain
Over five million people live in the Houston-Galveston region of today, and the population is projected to grow to over 8.8 million by 2035. A region of this size is continually evolving and developing to support the growing population.
Global Pandemic Preparations
A Karolinksa Institutet seminar presented how GIS technology and statistical analyses provide increased preparedness, better information, and more effective measures against the spread of infectious diseases such as bird influenza.
View case study [PDF]
Siting Emergency Medical Centers
The GIS Division and Health Department in the City of Alexandria, Virginia, teamed up to find the optimal location for a new medical distribution center and the number of existing centers using GIS to develop an allocation model.
Hurricanes on the U.S. Gulf Coast
In studying tropical storm data from 1850 to 2005, patterns in hurricane movements and an increase in storm activity can be seen. Some portions of the Gulf of Mexico's coastal region appear to be more prone to hurricanes, such as New Orleans and its surrounding communities.
Flood Vulnerability Analysis
These maps will serve as the bridge between localized hazard planning at the town level and statewide mitigation efforts. In addition, creation of a seamless statewide facilities database will be a powerful addition to the state's multihazard mitigation strategy.
Flood Map Books
The Harris County Flood Control District's map books cover 1,750 square miles and contain detailed hydrographic, jurisdictional, transportation, cultural, right-of-way, and parcel information for the county, which includes Houston, Texas.
Tsunami Inundation Zones
Every facet of designing and building the city will be analyzed with GIS, and an enterprise system will be used throughout the city's life cycle.
Disaster and Recovery Mapping
The Gulfport Division of GIS provides city departments and local agencies with accurate geographic information and analysis tools to increase staff efficiency and reduce redundant data collection and analysis activities among the departments.
Flood Hazard Maps
The Federal Emergency Management Agency's flood hazard maps display flood risk. This information is used to support local floodplain management, permitting the setting of flood insurance purchase requirements and insurance ratings for the national Flood Insurance Program.
Natural Hazards and Vulnerabilities Atlas
Recognizing that natural disasters are predominantly local issues, often with national, regional, or global impacts, the Pacific Disaster Center (PDC) has developed the Asia Pacific Natural Hazards and Vulnerabilities Atlas: Edition.
Storm Surge Inundation Zones
The Harris County Flood Control District has created a highly detailed map of storm surge inundation zones that can be used as an overlay of appraisal district parcel data, enabling identification of individual residences and businesses that may be in harm's way.
Disaster Vulnerability Assessment
Sarasota County used GIS to assess disaster vulnerability of critical facilities. The goal was to create a fast and accurate way to calculate the potential risk for selected sites and enable the Emergency Operations Center to update its disaster response plans with current data.
