고해상도 위성영상 기반의 갯벌 대형저서동물 분포도 작성

Title
고해상도 위성영상 기반의 갯벌 대형저서동물 분포도 작성
Alternative Title
Application of high spatial resolution satellite image to the macrofauna habitat mapping in a tidal flat
Author(s)
최종국; 유주형; 구본주; Hyun-Joo Oh; Saro Lee
KIOST Author(s)
Choi, Jong Kuk(최종국)Ryu, Joo Hyung(유주형)Koo, Bon Joo(구본주)
Publication Year
2010-10-28
Abstract
To make macrofaunal habitat potential maps, the spatial distribution of ecological environments in the Hwangdo tidal flat, Korea, was detected and mapped using remote sensing and a geographic information system (GIS) combined with field observations. A frequency ratio model was applied to the mapping of the macrofauna potential area. Ilyoplax dentimerosa, a crustacean species, was considered and seven control factors affecting the tidal macrofauna distribution were selected and used within a spatial database derived from remotely sensed data. The factors included the intertidal digital elevation model (DEM), slope, distance from a tidal channel, tidal channel density, surface sedimentary facies, spectral reflectance of the near infrared (NIR) bands and the tidal exposure duration. The spatial relationships between the species distribution and each control factor were calculated using a frequency ratio. The specie was randomly divided into a training set (70%) to estimate the habitat potential and a test set (30%) to validate the produced habitat map. The relations were overlaid to produce a habitat potential map with a species potential index (SPI) value for each pixel. The potential habitat map was compared with the surveyed habitat locations, and the results show a high level of accuracy (78.96%) between the tidal flat macrofauna potential maps and the existing species object locations. A combination of a GIS-based frequency ratio model and remote sensing with field observations is an effective method to determine those locations favorable for macrofaunal species occurrences in a tidal flat.
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/28648
Bibliographic Citation
International Symposium on Remote Sensing 2010, pp.484 - 487, 2010
Publisher
대한원격탐사학회
Type
Conference
Language
English
Publisher
대한원격탐사학회
Related Researcher
Research Interests

Coastal Remote Sensing,RS based Marine Surveillance System,GOCI Series Operation,연안 원격탐사,원격탐사기반 해양감시,천리안해양관측위성 운영

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