A
COMPARISON BETWEEN SNAPSHOT AND COMPOSITE CHANGE DATA
A
COMPARISON BETWEEN
SNAPSHOT
AND COMPOSITE CHANGE DATA
by
A
research paper submitted in partial fulfillment of the requirements for the
degree of
MASTER OF SCIENCE in GEOGRAPHY Portland State University 2001
TABLE OF CONTENTS
CHAPTER 1 TIME AND SPATIAL DATA
CHAPTER 2 THE STATE OF CHANGE DETECTION IN GIS
2.2 Integrating Time Data with Spatial Data
CHAPTER 3 SURFACE WATER CHANGES IN PORTLAND OREGON 1880 - 2000
3.1 Historic Map Sources in Portland Oregon
CHAPTER 4 LAND COVER CHANGES IN THE GRAY'S RIVER
4.1 Historic Map Sources in the Gray's River