Dynamics monitoring and disaster assessment for watershed management using time-series satellite images

Jiann-Yeou Rau, Liang Chien Chen, Jin King Liu, Tong Hsiung Wu

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

This paper presents a mechanism that utilizes intensive multitemporal and multisensor satellite images to monitor land cover dynamics. The proposed approach could be applied for regular dynamics monitoring, disaster monitoring and assessment, and vegetation recovery after natural disasers. The disaster monitoring and assessment are the most important issues imbedded in the program. This paper gives an example using the proposed mechanism to cover a major watershed in Taiwan. Often natural hazards such as typhoons or earthquakes trigger landslides or debris flows, which can deliver large amounts of sediment into a reservoir, decreasing its capacity for water storage. Disaster assessment prior to decision-making and support efforts is a must. Three major typhoons that happened in 2004 and 2005 will be discussed here. The proposed mechanism is demonstrated to be feasible, practical, and effective, since with it we are able to generate disaster assessment in a shorter time than with on-site or aerial-photo surveying alone provided that intensive satellite images are available.

Original languageEnglish
Pages (from-to)1641-1649
Number of pages9
JournalIEEE Transactions on Geoscience and Remote Sensing
Volume45
Issue number6
DOIs
Publication statusPublished - 2007 Jun 1

Fingerprint

Watersheds
Disasters
Time series
disaster
Satellites
time series
Monitoring
monitoring
earthquake trigger
Landslides
Surveying
natural hazard
water storage
Debris
debris flow
surveying
landslide
Earthquakes
Hazards
land cover

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Earth and Planetary Sciences(all)

Cite this

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Dynamics monitoring and disaster assessment for watershed management using time-series satellite images. / Rau, Jiann-Yeou; Chen, Liang Chien; Liu, Jin King; Wu, Tong Hsiung.

In: IEEE Transactions on Geoscience and Remote Sensing, Vol. 45, No. 6, 01.06.2007, p. 1641-1649.

Research output: Contribution to journalArticle

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