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Environmental Spatial Data Analysis


Environmental Spatial Data Analysis CE/ENVE 424/524 Stefan Falke stefan_at_wustl.edu Urbauer 319D 935-6099 Aims & Objectives Course Outline Spatial Analysis Concepts ... – PowerPoint PPT presentation

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Title: Environmental Spatial Data Analysis

Environmental Spatial Data Analysis
CE/ENVE 424/524
  • Stefan Falke
  • stefan_at_wustl.edu
  • Urbauer 319D
  • 935-6099

Aims Objectives
  • Develop an understanding of the unique
    characteristics of environmental data
  • Acquire skills in spatial analysis techniques
  • Gain background and hands-on experience with
    software tools for working with data and
    conducting spatial data analysis.
  • Examine the art of visualizing spatial data and
    data analysis results
  • Appreciate the complexities involved in data
    manipulation, analysis, and mapping

My aim and objective is for each of you to become
a SAP!
Course Outline
  • Spatial Analysis Concepts
  • Spatio-temporal Patterns and Trends
  • Environmental Data Types
  • GIS
  • Principles of GIS
  • GIS Technology
  • GIS Functionality
  • Spatial Analysis Techniques
  • Point Data Analysis
  • Continuous Data Analysis
  • Spatial Interpolation
  • Visualization
  • Implementation and Management
  • Data Acquisition and Spatial Databases
  • Metadata and Interoperability
  • Data Analysis and Decision-making

Longley, Paul Michael Goodchild David Maguire
and David Rhind, Geographic Information Systems
and Science, John Wiley Sons, 2001 O'Sullivan,
David and David J. Unwin, Geographic Information
Analysis, John Wiley Sons, 2002
Both are on reserve at Olin library and the Earth
Planetary Science Library along
with Burrough, Peter and Rachel McDonnell,
Principles of Geographical Information Systems,
Oxford University Press, 1998
Computer Lab Sessions
Labs will be held in Lopata 401 Tuesdays,
approximately every other week
First Lab is Tuesday February 8, 400-530.
ESRI ArcGIS 9.0 Software Suite ArcView/ArcEditor/
ArcInfo Spatial Analyst Geostatistical
Analyst 3D Analyst Survey Analyst
Washington University has acquired a ArcGIS site
license if ArcGIS isnt installed in your
favorite lab, let me know
Journal Article Review
For this paper assignment you will select and
review a journal article that describes a spatial
analysis method from a topic area covered in
class. The paper should be a 2-3 page summary
for ENVE 424 and approximately 4-5 page critical
review for ENVE 524. Please notify me of your
article selection by Tuesday, March 29. Paper
reviews are due Thursday, April 7.
Example Journals
International Journal of Geographical Information
Science Environmetrics Computers and
Geosciences Photogrammetric Engineering and
Remote Sensing Journals in your field
Final Project
  • The project involves data analysis for a problem
    of interest to you. You will analyze your data
    using several of the techniques discussed in
    lectures and the GIS tools introduced in lab. A
    project consists of three components
  • Proposal describing the problem and the data and
    methods to be used (up to two pages) Due March
  • Paper describing the project data, methods,
    tools, and results. (up to 12 pages)
  • Presentation summarizing the project. (up to 10
  • Paper and Presentation are both due on the date
    and time assigned for our final exam period.
  • Two (of many) options for projects
  • Compare different methods
  • Analyze your own data

Problem Sets 25 Mid-term exam 25 Journal
article review 10 Final project 30 Class
participation 10
Late Policy
Problem sets have due dates (usually) on
Tuesdays. You are allowed to submit two problem
sets during the following class period without
penalty. Otherwise, the penalty is 5 per day.
The Article review and project related materials
may not be submitted late.
19 Lectures 8 Labs 4 Problem Sets 1 Exam
1 Article Review 1 Project
Information Request
Please send an email to stefan_at_wustl.edu with the
following Name Email Department Level Intere
st in course Previous experience with spatial
data analysis and/or GIS
Class Webpage
  • Webpage will contain
  • Class syllabus
  • Lecture slides
  • Online links to resource materials

Pop vs Soda vs Coke
Pop vs Soda vs Coke by County
2000 Presidential Election Results
States 30
votes 50,456,169
votes 50,996,116
States 21
2000 Presidential Election Results by County
2004 Presidential Election Results
States size are adjusted to be proportional to
2004 Presidential Results by County
County size is proportional to population
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What is Spatial Data Analysis?
  • Spatial analysis is the quantitative and
    qualitative study of phenomena that are located
    in space.
  • Environmental spatial data analysis describes
    characteristics and behavior of the environment
  • Explores patterns, trends, and relationships in
    environmental data
  • Seeks to explain these patterns, trends, and
  • Differs from general data analysis in that it
  • Spatial data are dependent on location and
    related by location (they do not adhere to the
    independence assumption made in regular data
  • Have properties that require special analysis

What is GIS?
Traditional definition is that GIS is a set of
computer tools for accessing, processing,
visualizing, analyzing, interpreting, and
presenting spatial data. GIS is Geographical
Information System OR IS IT Geographical
Information Science? GISystems Emphasis on
technology and tools GIScience Fundamental
issues raised by the use of GIS, such
as Spatial analysis Map projections Accuracy
Scientific visualization Implementation and
application of GIS covers a wide spectrum Simple
maps Overlaying multiple map layers Conducting
proximity or cluster analysis based on
distance Comparing data sets (simple spatial
statistics) Complex statistical analysis
Whats the Difference?
The distinction between spatial data analysis and
GIS becomes fuzzier every year The distinction
depends on your perspective Traditional GIS
perspective Here are some tools, use them.
Import data into a GIS and what you see is what
you get. Traditional spatial analysis
perspective Start with spatial analysis and
use GIS as a tool. Use GIS to help figure out
what the data means
In many fields, the two perspectives appear to be
merging as one Spatial analysis is GIS GIS is
spatial analysis
Geospatial Information Science and Technology
acquires, manages, interprets, integrates,
displays, analyzes, or otherwise uses data
focusing on the geographic, temporal and spatial
context. (GeoSpatial Workforce Development
Center at the University of Southern Mississippi)
  • According to a recent Department of Labor report,
    the three most important emerging and evolving
    fields are
  • Biotechnology
  • Nanotechnology
  • Geospatial technology
  • (Gewin, V., Mapping Opportunities, Nature, 427
    (6972) 376-377, Jan. 2004)

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