1. Yellow River Delta Morphology Over Time: A Remote Sensing Spatial Study Utilizing MODIS James Lee Waclawczyk Department of Earth and Environmental Science, Graduate Studies University of Texas at San Antonio 6900 N. Loop 1604 W., San Antonio, Texas 78249-0663 1 December 2004

2. Agenda Study Objectives Yellow River Characteristics Study Site Methodology Image Interpretation Image Comparisons Data Evaluation Results Continuing Research

3. Study Objective Evaluate and interpret spatial patterns of the Yellow River Delta Satellite: Terra EOS AM Sensor System: MODIS Image Processing: MODIS Tools Image Analysis: ENVI Data Sets 2000 2004

4. Yellow River Characteristics Huang River Flows from the Tibetan Plateau (Qinghai-Xizang) to the Bohai (Bo) Sea, a total 5,464 kilometers Drainage basin comprises approximately 745 thousand square kilometers or 287 thousand square miles

5. Yellow River Characteristics (Continued) China’s Sorrow The Ungovernable Collects heavy sediment load, primarily silt, from the immense Loess Plateau, located in north-central China 1940-1980: 1 Billion Tons Annually 1990’s: 500 Million Tons Annually 2004: < 500 Million Tons Annually

6. Study Site Yellow River Mouth and Associate Delta Coordinates 37” 35’ to 38” 12” NL 118” 33’ to 119” 20’ EL Determine Delta Size

7. Methodology Image Procurement: EOS Gateway Processing: MODIS Tools Image Analysis: ENVI Historical Data Set: 2000 & 2004 Band Selection: Infa-Red (0.8585 µm) Region of Interest Tool (Polygon) Observations Land Erosion and Creation Linear Statistical Analysis

8. Image Interpretation

9. Image Interpretation (Continued)

11. Image Comparisons Day 065 Blue – 2000 Green – 2004

12. Image Comparisons (Continued) Day 289 Red – 2000 Yellow – 2004

13. Data Evaluation

14. Continuing Research Increase Resolution Increase Sample Size Tidal Influence Considerations River Discharge Considerations Thematic Mapping

15. Questions