桃園海岸藻礁區沉積與懸浮沉積物時空特性之初步研究

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题名:	桃園海岸藻礁區沉積與懸浮沉積物時空特性之初步研究
作者:	賴冠頤;Lai, Kuan-Yi
贡献者:	水文與海洋科學研究所
关键词:	沉積率;懸浮沉積物濃度(SSC);藻礁;Sedimentation rate;Suspended Sediment Concentration;algal reef
日期:	2025-07-28
上传时间:	2025-10-17 11:17:41 (UTC+8)
出版者:	國立中央大學
摘要:	本研究旨在探討桃園沿岸藻礁棲地中沉積率、懸浮沉積物濃度（SSC）及其他物理環境因子的時空間變化。本研究探討了桃園沿海的五個藻礁點位（KS-SS、KS-CA、G2、G1、BY）四季的沉積率、懸浮沉積物粒徑、懸浮沉積物濃度資料以及藻礁表面覆沙率的資料，旨在分析懸浮沉積物的時空分佈特性。研究結果顯示，沉積率與SSC在時空分佈上呈現高度相關性，相關係數達到0.89。就時間分佈而言，冬季（12月）由於東北季風的影響，所有點位的沉積率與SSC顯著高於其他季節。值得注意的是，同一季節內兩次調查之間存在劇烈差異，凸顯了短期風浪條件對沉積率與SSC的關鍵影響。在空間分佈上，南部的觀音藻礁區域（KS-SS、KS-CA）的沉積率與SSC普遍高於北部的白玉（BY）及大潭藻礁區域（G1、G2）。其中，大潭G2點位由於南北結構物的影響，其沉積率與SSC持續維持在較低水平。本研究測得的所有點位沉積率與SSC數值，均高於文獻中一般珊瑚礁所能承受的最大值。這項發現指出，相較於珊瑚礁，桃園藻礁環境存在較高的底質沉積率和高懸浮沉積物濃度。;This study aims to investigate the spatiotemporal variation of sedimentation rate, suspended sediment concentration (SSC), and other physical environmental factors in the algal reef habitats along the Taoyuan coast. Seasonal data were collected from five reef sites (KS-SS, KS-CA, G2, G1, BY), including sedimentation rates, suspended sediment particle sizes, SSC, and reef surface sand coverage, in order to analyze the spatiotemporal distribution characteristics of suspended sediments.The results show a strong correlation between sedimentation rate and SSC, with a correlation coefficient of 0.89. Temporally, due to the influence of the northeast monsoon, both sedimentation rates and SSC during the winter (December) were significantly higher than those in other seasons across all sites. Notably, substantial differences were observed between two survey events within the same season, highlighting the key influence of short-term wave and wind conditions on sedimentation and SSC.Spatially, the southern Guanyin reef sites (KS-SS and KS-CA) exhibited higher sedimentation rates and SSC compared to the northern sites, Baiyu (BY) and Datan (G1, G2). Among them, the G2 site in Datan, located between coastal structures to the north and south, maintained consistently lower sedimentation rates and SSC levels.All sedimentation and SSC values recorded in this study exceeded the maximum tolerances reported for typical coral reef environments. This finding suggests that, compared to coral reefs, the Taoyuan algal reef system is subject to higher substrate sedimentation and suspended sediment loads.
显示于类别:	[水文與海洋科學研究所] 博碩士論文

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