Typhoon Haiyan

DAMAGE INVESTIGATION FOR THE 2013 TYPHOON HAIYAN IN THE PHILIPPINES USING MULTI-TEMPORAL COSMO-SKYMED IMAGES Pisut Nakmuenwai and Fumio Yamazaki Chiba University

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Hit Tacloban

2013/11/08 6:30 (UTC+8)

http://en.wikipedia.org/wiki/Typhoon_Haiyan http://www.ospo.noaa.gov/Organization/History/imagery/Haiyan/index.html http://www.washingtonpost.com/blogs/worldviews/wp/2013/11/15/8-maps-that-explain-why-typhoon-haiyan-hit-the-philippines-so-hard/

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Data Processing CSK Before Ϭ0 HH

CSK After Ϭ0 HH

Pre-processing

R

D

Correlation

𝜟ℎ

Difference

S

Summation

Moving Window Size 5x5

Hyperboloid Change Index GIO EMS - Mapping

ThaiChote

Thresholding OpenStreetMap

Digital Globe Image

TO DO : Damage Level

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Study Area

Acquisition : 2013/08/07 Satellite ID : CSK-SAR1 Direction : Descending Sensor Mode : STR_HIMAGE Polarization : HH

Acquisition : 2013/11/11 Satellite ID : CSK-SAR1

Look Side : Right Near Range : ~44o Far Range : ~47o

Acquisition : 2013/11/20 Satellite ID : CSK-SAR3

Ϭ0 HH 2013/08/07 Ϭ0 HH 2013/11/11 Ϭ0 HH 2013/11/20

Scene Size Azemuth&Range Res 1.94x1.57 m Pixel Resolutions 2.18x2.18 m

40x40 = 1600Km2 Study Area 14x12.3 = 172Km2

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Study Area COLOR COMPOSITION Ϭ0 HH 2013/11/20 Ϭ0 HH 2013/11/11 Ϭ0 HH 2013/08/07

BRIEF Removed Objects

Flash Flood Flooded Area Replaced Objects Agriculture Vegetation Water Body Buildings