선유도, 근소만 조간대 지온변화 연구

Title
선유도, 근소만 조간대 지온변화 연구
Alternative Title
VERTICAL TEMPERATURE VARIATIONS IN INTERTIDAL SEDIMENTS IN THE GUENSO BAY AND SUNYOU ISLAND
Author(s)
송규민; 이석; 이흥재
KIOST Author(s)
Song, Kyu Min(송규민)Lee, Seok(이석)
Alternative Author(s)
송규민; 이석; 이흥재
Publication Year
2010-09-15
Abstract
Heat flux in the surface sediment layer at the west coast Korea was investigated using one year-long temperature data collected on two tidal flats of the Guenso Bay and Seonyu-do. The temperature data was measured at six depths from 0 cm to 50 cm, at a 10 cm interval. The sediment temperature shows large annual variations, high in summer and cold in winter and also high-frequency fluctuations at tidal frequencies of 1, 2, 3, and 4 cycles per day. In summer, temperature decreases with increasing depth, but in winter, vertical temperature profile is reversed. Vertical thermal diffusivity computed by an one-dimensional heat conduction equation is found to be largest in spring. We will further discuss on the dependence of the thermal diffusivity on grain size of sediments and diurnal heating-cooling condition.
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/28768
Bibliographic Citation
international ECSA 47 Symposium, pp.112, 2010
Publisher
IMAR
Type
Conference
Language
English
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